What are the most popular destinations to fly to from Ontario?

For the current month, the most popular flights from Ontario are Denver, Dallas/Fort Worth Airport, Guadalajara. Dallas/Fort Worth Airport, Denver, Guadalajara are the most popular locations from Ontario year round.

What is the cheapest flight from Ontario to anywhere?

Users have flown out of Ontario for as low as ₱3,850 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for ₱24,520 to fly from Ontario.

What are the cheapest airlines flying from Ontario to anywhere?

According to our data, users have found Frontier, United Airlines, and American Airlines to have the cheapest round-trip prices from Ontario. Some of the destinations and prices are as follows: Frontier flights from Ontario to San Francisco (₱2,669). United Airlines flights from Ontario to San Francisco (₱7,086). American Airlines flights from Ontario to Lexington Blue Grass (₱16,674).

What is the cheapest premium economy flight from Ontario?

If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Ontario may suit your needs. The cheapest premium economy flights from Ontario are: Fly from Ontario to Taipei City Taiwan Taoyuan Intl Airport starting at ₱148,346

What is the cheapest month to fly from Ontario?

August is currently the cheapest month to fly from Ontario . At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Where are the cheapest places to fly to from Ontario?

Check out the cheapest flights from Ontario to embark to: Fly from Ontario to Manila from ₱37,675 Fly from Ontario to Cebu City from ₱40,857

₱2,902+ Flights from Ontario

What to know about flights from Ontario

Cheapest one-way flight	₱1,821
Cheapest round-trip flight	₱3,348
Cheapest airline	Alaska Airlines
Most popular destination	Incheon Intl (ICN)
Good round-trip deal	₱6,465 or less
Good one-way deal	₱5,521 or less

The cheapest one-way flight from Ontario is currently to Las Vegas Harry Reid Intl.

Search Deals

The cheapest round-trip flight from Ontario is currently to Las Vegas Harry Reid Intl.

Search Deals

On average, Alaska Airlines currently has the cheapest one-way flight from Ontario (avg. price of ₱6,497).

Search Deals

Incheon Intl (ICN) is currently the most popular flight destination from Ontario (average round-trip price of ₱29,613).

Search Deals

Price to beat on a round-trip flight from Ontario.

Search Deals

Price to beat on a one-way flight from Ontario.

Search Deals

Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on June 13, 2025.

Tue 11/1110:45 pmONT - CEB

1 stop20h 20mChina Airlines

Tue 11/1812:05 pmCEB - ONT

1 stop20h 45mChina Airlines

Deal found 6/13₱40,745

Fri 10/311:10 pmONT - CRK

1 stop28h 45mSTARLUX Airlines

Sun 10/197:55 pmCRK - ONT

1 stop36h 10mSTARLUX Airlines

Deal found 6/12₱41,973

Sun 10/1912:10 amONT - MNL

1 stop24h 40mChina Airlines

Mon 11/34:55 pmMNL - ONT

1 stop15h 55mChina Airlines

Deal found 6/11₱43,033

Thu 8/216:00 amONT - MNL

2 stops25h 05mKorean Air

Tue 8/2611:30 pmMNL - ONT

2 stops38h 12mKorean Air

Deal found 6/13₱43,312

Thu 11/136:00 amONT - MNL

1 stop22h 45mUnited Airlines

Thu 12/49:55 amMNL - ONT

1 stop16h 04mUnited Airlines

Deal found 6/11₱43,424

Fri 8/111:45 pmONT - CEB

1 stop28h 20mSTARLUX Airlines

Wed 8/2010:50 amCEB - ONT

1 stop21h 50mSTARLUX Airlines

Deal found 6/13₱43,647

Tue 9/96:00 amONT - CEB

2 stops26h 30mKorean Air

Wed 10/2912:10 amCEB - ONT

2 stops37h 32mKorean Air

Deal found 6/13₱44,764

Mon 9/86:00 amONT - CEB

2 stops25h 05mUnited Airlines

Thu 10/309:30 amCEB - ONT

2 stops28h 15mUnited Airlines

Deal found 6/13₱45,378

Thu 7/3112:45 amONT - CEB

1 stop19h 20mMultiple Airlines

Wed 8/2010:50 amCEB - ONT

1 stop21h 50mMultiple Airlines

Deal found 6/13₱49,285

Fri 8/16:25 amONT - MNL

2 stops26h 34mMultiple Airlines

Sat 9/610:35 amMNL - ONT

1 stop23h 05mMultiple Airlines

Deal found 6/11₱49,620

Mon 7/146:25 amONT - CRK

2 stops27h 00mMultiple Airlines

Sun 7/201:40 amCRK - ONT

2 stops30h 36mMultiple Airlines

Deal found 6/13₱51,015

Sun 7/66:25 amONT - CRK

2 stops27h 00mKorean Air

Fri 7/181:40 amCRK - ONT

2 stops30h 36mKorean Air

Deal found 6/13₱55,313

Best flights from Ontario
Discover carefully curated flight deals from Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2025.

Tue 11/1110:45 pmONT - CEB

1 stop20h 20mChina Airlines

Tue 11/1812:05 pmCEB - ONT

1 stop20h 45mChina Airlines

Deal found 6/13₱40,745

Fri 10/311:10 pmONT - CRK

1 stop28h 45mSTARLUX Airlines

Sun 10/197:55 pmCRK - ONT

1 stop36h 10mSTARLUX Airlines

Deal found 6/12₱41,973

Thu 8/216:00 amONT - MNL

2 stops25h 05mKorean Air

Tue 8/2611:30 pmMNL - ONT

2 stops38h 12mKorean Air

Deal found 6/13₱43,312

Thu 11/136:00 amONT - MNL

1 stop22h 45mUnited Airlines

Thu 12/49:55 amMNL - ONT

1 stop16h 04mUnited Airlines

Deal found 6/11₱43,424

Thu 7/3112:45 amONT - CEB

1 stop19h 20mMultiple Airlines

Wed 8/2010:50 amCEB - ONT

1 stop21h 50mMultiple Airlines

Deal found 6/13₱49,285

Thu 10/236:00 amONT - CEB

2 stops28h 00mAsiana Airlines

Wed 10/291:50 amCEB - ONT

2 stops36h 40mAsiana Airlines

Deal found 6/13₱55,369

Thu 11/2711:30 amONT - CRK

2 stops31h 30mEVA Air

Thu 1/1512:05 pmCRK - ONT

2 stops26h 32mEVA Air

Deal found 6/12₱56,652

Sun 10/1912:10 amONT - MNL

1 stop24h 40mChina Airlines

Mon 11/34:55 pmMNL - ONT

1 stop15h 55mChina Airlines

Deal found 6/11₱43,033

Fri 8/111:45 pmONT - CEB

1 stop28h 20mSTARLUX Airlines

Wed 8/2010:50 amCEB - ONT

1 stop21h 50mSTARLUX Airlines

Deal found 6/13₱43,647

Tue 9/96:00 amONT - CEB

2 stops26h 30mKorean Air

Wed 10/2912:10 amCEB - ONT

2 stops37h 32mKorean Air

Deal found 6/13₱44,764

Mon 9/86:00 amONT - CEB

2 stops25h 05mUnited Airlines

Thu 10/309:30 amCEB - ONT

2 stops28h 15mUnited Airlines

Deal found 6/13₱45,378

Fri 8/16:25 amONT - MNL

2 stops26h 34mMultiple Airlines

Sat 9/610:35 amMNL - ONT

1 stop23h 05mMultiple Airlines

Deal found 6/11₱49,620

Last-minute flights from Ontario
Discover last-minute flight deals departing from Ontario. Data last updated June 13, 2025 and is based on user searches.

Wed 6/186:41 pmONT - MNL

1 stop20h 14mUnited Airlines

Wed 7/98:40 amMNL - ONT

1 stop18h 34mUnited Airlines

Deal found 6/13₱85,174

Thu 6/196:00 amONT - CEB

2 stops25h 05mUnited Airlines

Tue 7/19:15 amCEB - ONT

2 stops28h 37mUnited Airlines

Deal found 6/13₱65,806

Fri 6/206:25 amONT - MNL

2 stops26h 34mKorean Air

Wed 7/211:30 pmMNL - ONT

2 stops38h 16mKorean Air

Deal found 6/10₱81,602

Sat 6/2112:10 amONT - MNL

1 stop24h 40mMultiple Airlines

Tue 8/1910:05 pmMNL - ONT

2 stops34h 35mMultiple Airlines

Deal found 6/13₱72,671

Sun 6/2212:10 amONT - CEB

1 stop19h 55mMultiple Airlines

Wed 9/1710:50 amCEB - ONT

1 stop21h 15mMultiple Airlines

Deal found 6/12₱59,722

Sun 6/2212:10 amONT - CEB

1 stop19h 55mChina Airlines

Thu 9/1812:05 pmCEB - ONT

1 stop20h 55mChina Airlines

Deal found 6/12₱66,252

Mon 6/2311:10 pmONT - CEB

1 stop19h 40mSTARLUX Airlines

Wed 9/1710:50 amCEB - ONT

1 stop21h 15mSTARLUX Airlines

Deal found 6/12₱61,452

Mon 6/2312:10 amONT - MNL

1 stop24h 40mChina Airlines

Mon 7/710:35 amMNL - ONT

1 stop23h 05mChina Airlines

Deal found 6/11₱62,736

Mon 6/2311:10 pmONT - CRK

1 stop18h 50mSTARLUX Airlines

Sun 7/67:55 pmCRK - ONT

1 stop36h 45mSTARLUX Airlines

Deal found 6/13₱67,369

Mon 6/2311:10 pmONT - CRK

1 stop18h 50mMultiple Airlines

Mon 7/712:00 pmCRK - ONT

2 stops40h 27mMultiple Airlines

Deal found 6/13₱76,299

Mon 6/236:00 amONT - MNL

2 stops44h 35mEVA Air

Sat 7/512:40 pmMNL - ONT

2 stops26h 33mEVA Air

Deal found 6/13₱83,667

Mon 6/234:00 pmONT - CRK

2 stops28h 00mEVA Air

Mon 7/712:00 pmCRK - ONT

2 stops40h 27mEVA Air

Deal found 6/13₱84,002

One-way flights from Ontario
Search for one-way flight options from Ontario. Find affordable one-way fares based on user searches. Data last updated June 13, 2025.

Thu 9/116:45 amONT - MNL

2 stops26h 14mKorean Air

Deal found 6/13₱21,321

Sun 8/176:39 pmONT - MNL

1 stop20h 16mUnited Airlines

Deal found 6/11₱23,107

Tue 9/912:45 amONT - CEB

1 stop19h 20mChina Airlines

Deal found 6/12₱23,163

Tue 8/1212:45 amONT - MNL

1 stop17h 50mChina Airlines

Deal found 6/11₱23,442

Sun 11/25:45 amONT - CEB

2 stops23h 40mKorean Air

Deal found 6/13₱23,442

Wed 8/2711:45 pmONT - CRK

1 stop28h 10mSTARLUX Airlines

Deal found 6/12₱23,889

Mon 11/39:45 pmONT - CEB

1 stop20h 05mSTARLUX Airlines

Deal found 6/13₱24,782

Mon 11/106:43 amONT - CRK

2 stops25h 57mMultiple Airlines

Deal found 6/11₱25,396

Mon 7/286:10 amONT - CEB

2 stops24h 55mUnited Airlines

Deal found 6/13₱26,177

Tue 9/1612:10 amONT - MNL

2 stops32h 49mMultiple Airlines

Deal found 6/12₱26,847

Sun 7/2712:59 amONT - MNL

2 stops37h 41mAmerican Airlines

Deal found 6/12₱28,689

Wed 8/134:00 pmONT - MNL

1 stop21h 05mPhilippine Airlines

Deal found 6/13₱30,810

International flights from Ontario
Find cheap international flights from Ontario based on historic user searches and pricing. Information updated on June 13, 2025.

Wed 10/17:02 amONT - DXB

2 stops24h 33mUnited Airlines

Tue 10/71:55 amDXB - ONT

2 stops30h 29mUnited Airlines

Deal found 6/13₱37,396

Thu 9/186:00 amONT - HAN

2 stops25h 35mDelta

Mon 10/2012:00 pmHAN - ONT

2 stops25h 46mDelta

Deal found 6/13₱39,685

Thu 9/186:45 amONT - SIN

2 stops31h 15mKorean Air

Sun 9/2810:30 pmSIN - ONT

2 stops33h 47mKorean Air

Deal found 6/13₱41,303

Mon 9/156:45 amONT - SIN

2 stops25h 55mDelta

Mon 9/297:30 amSIN - ONT

2 stops42h 20mDelta

Deal found 6/13₱41,359

Sun 7/610:05 pmONT - DXB

2 stops37h 55mDelta

Tue 7/2212:40 amDXB - ONT

2 stops33h 07mDelta

Deal found 6/13₱41,750

Wed 9/31:42 pmONT - SIN

1 stop25h 33mUnited Airlines

Sat 9/138:45 amSIN - ONT

1 stop23h 52mUnited Airlines

Deal found 6/12₱43,759

Wed 9/106:00 amONT - HAN

2 stops26h 15mUnited Airlines

Tue 9/3011:35 pmHAN - ONT

2 stops34h 49mUnited Airlines

Deal found 6/13₱46,215

Thu 9/1812:10 amONT - HAN

1 stop20h 25mChina Airlines

Tue 10/2111:35 amHAN - ONT

1 stop20h 25mChina Airlines

Deal found 6/13₱48,782

Tue 7/811:25 amONT - DXB

2 stops24h 35mKLM

Wed 7/2312:40 amDXB - ONT

2 stops27h 36mKLM

Deal found 6/13₱51,908

Mon 9/296:45 amONT - SGN

2 stops25h 20mDelta

Fri 10/318:05 amSGN - ONT

2 stops28h 37mDelta

Deal found 6/12₱54,029

Mon 8/1811:45 pmONT - SIN

1 stop21h 55mSTARLUX Airlines

Mon 8/252:00 pmSIN - ONT

1 stop18h 40mSTARLUX Airlines

Deal found 6/11₱54,587

Sun 10/512:10 amONT - SIN

1 stop33h 25mChina Airlines

Tue 11/112:00 amSIN - ONT

1 stop30h 50mChina Airlines

Deal found 6/13₱55,648

Find flights from Ontario within your budget

Fly to

Route

Depart

Return

Price

OntarioCebu City

ONT - CEB

ONTCEB

Ontario

Tue 11/11

10:45 pm-11:05 am

1 stop20h 20m

Cebu City Mactan Intl

Tue 11/18

12:05 pm-4:50 pm

1 stop20h 45m

₱40,745

OntarioAngeles City

ONT - CRK

ONTCRK

Ontario

Fri 10/3

11:10 pm-6:55 pm

1 stop28h 45m

Angeles City Clark Intl

Sun 10/19

7:55 pm-5:05 pm

1 stop36h 10m

₱41,973

OntarioManila

ONT - MNL

ONTMNL

Ontario

Sun 10/19

12:10 am-3:50 pm

1 stop24h 40m

Manila Ninoy Aquino Intl

Mon 11/3

4:55 pm-4:50 pm

1 stop15h 55m

₱43,033

OntarioManila

ONT - MNL

ONTMNL

Ontario

Thu 8/21

6:00 am-10:05 pm

2 stops25h 05m

Manila Ninoy Aquino Intl

Tue 8/26

11:30 pm-10:42 pm

2 stops38h 12m

₱43,312

OntarioManila

ONT - MNL

ONTMNL

Ontario

Thu 11/13

6:00 am-8:45 pm

1 stop22h 45m

Manila Ninoy Aquino Intl

Wed 12/10

11:30 pm-10:45 pm

1 stop15h 15m

₱43,424

OntarioCebu City

ONT - CEB

ONTCEB

Ontario

Fri 8/1

11:45 pm-7:05 pm

1 stop28h 20m

Cebu City Mactan Intl

Wed 8/20

10:50 am-5:40 pm

1 stop21h 50m

₱43,647

OntarioCebu City

ONT - CEB

ONTCEB

Ontario

Tue 9/9

6:00 am-11:30 pm

2 stops26h 30m

Cebu City Mactan Intl

Tue 10/28

12:10 am-5:17 pm

2 stops32h 07m

₱44,764

OntarioCebu City

ONT - CEB

ONTCEB

Ontario

Mon 9/8

6:00 am-10:05 pm

2 stops25h 05m

Cebu City Mactan Intl

Thu 10/30

9:30 am-10:45 pm

2 stops28h 15m

₱45,378

OntarioCebu City

ONT - CEB

ONTCEB

Ontario

Thu 7/31

12:45 am-11:05 am

1 stop19h 20m

Cebu City Mactan Intl

Wed 8/20

10:50 am-5:40 pm

1 stop21h 50m

₱49,285

OntarioManila

ONT - MNL

ONTMNL

Ontario

Fri 8/1

6:25 am-11:59 pm

2 stops26h 34m

Manila Ninoy Aquino Intl

Sat 9/6

10:35 am-6:40 pm

1 stop23h 05m

₱49,620

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 33 results

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Ontario?

The best time to book flights from Ontario is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario?

Currently, August is the cheapest month in which you can book a flight from Ontario (average of ₱36,001). Flying from Ontario in June will prove the most costly (average of ₱59,387). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Ontario?

Only one airline operates round-trip flights from Ontario: China Airlines. This airline flies to the following popular destinations: Manila.

What are popular destinations to fly to from Ontario?

If you’re flying from Ontario, these routes are more frequently taken by airlines Dallas (131 flights per day), Seattle (113 flights per day) and Atlanta (82 flights per day).

Las Vegas Harry Reid Intl

From ₱172

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is San Francisco, with prices starting at ₱3,850. Explore other affordable destinations below.

Las Vegas Harry Reid Intl

From ₱172

Dallas/Fort Worth

From ₱339

Airline reviews for flights from Ontario

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,204 reviews

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,091 reviews

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

United Airlines

7.4

Good

8,791 reviews

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

American Airlines

7.2

Good

10,000 reviews

EVA Air

8.4

Very good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

What are the most popular destinations to fly to from Ontario?
For the current month, the most popular flights from Ontario are Denver, Dallas/Fort Worth Airport, Guadalajara. Dallas/Fort Worth Airport, Denver, Guadalajara are the most popular locations from Ontario year round.
What is the cheapest flight from Ontario to anywhere?
Users have flown out of Ontario for as low as ₱3,850 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for ₱24,520 to fly from Ontario.
What are the cheapest airlines flying from Ontario to anywhere?
According to our data, users have found Frontier, United Airlines, and American Airlines to have the cheapest round-trip prices from Ontario. Some of the destinations and prices are as follows: Frontier flights from Ontario to San Francisco (₱2,669). United Airlines flights from Ontario to San Francisco (₱7,086). American Airlines flights from Ontario to Lexington Blue Grass (₱16,674).
What is the cheapest premium economy flight from Ontario?
If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Ontario may suit your needs. The cheapest premium economy flights from Ontario are:
Fly from Ontario to Taipei City Taiwan Taoyuan Intl Airport starting at ₱148,346
What is the cheapest month to fly from Ontario?
August is currently the cheapest month to fly from Ontario. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
Where are the cheapest places to fly to from Ontario?
Check out the cheapest flights from Ontario to embark to:
Fly from Ontario to Manila from ₱37,675
Fly from Ontario to Cebu City from ₱40,857
How does Cheapflights help users find flights from Ontario?
Cheapflights makes it easy to find flights from Ontario by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ontario?
Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Ontario become cheaper?
Yes! Start tracking prices for flights from Ontario today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario?

Cheapflights makes it easy to find flights from Ontario by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Yes! Start tracking prices for flights from Ontario today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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₱2,902+ Cheap flights from Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

What to know about flights from Ontario

Cheapest one-way flight

Cheapest round-trip flight

Cheapest airline

Most popular destination

Good round-trip deal

Good one-way deal

Find flights from Ontario

Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on June 13, 2025.

Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on June 13, 2025.

Find flights from Ontario within your budget

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Manila. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Ontario?

Which airlines fly from Ontario?

What are popular destinations to fly to from Ontario?

What is the cheapest place to fly to from Ontario?

Airline reviews for flights from Ontario

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly your favorite airline from Ontario

Browse through various options for flying your favorite airline from Ontario. Flight routes are based on user searches made on Cheapflights and were last updated on June 13, 2025.

Related info for your journey

What are the most popular destinations to fly to from Ontario?

What is the cheapest flight from Ontario to anywhere?

What are the cheapest airlines flying from Ontario to anywhere?

What is the cheapest premium economy flight from Ontario?

What is the cheapest month to fly from Ontario?

Where are the cheapest places to fly to from Ontario?

How does Cheapflights help users find flights from Ontario?

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Can Cheapflights find flights from Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

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Can Cheapflights notify me if prices for flights from Ontario become cheaper?

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Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on June 13, 2025.