₱25,024+ Cheap flights to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
Aug 4 — Aug 111
1 adult

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 411,093 searches and data was last updated on July 30, 2025.

Round-trip from

₱37,678

One-way from

₱25,024

Popular in

January

Cheapest in

March

Average price

₱60,297
Cathay Pacific
  • Cathay Pacific
  • 9/17-10/15
  • 2 total stops
  • 53h 00m total
  • Manila to Los Angeles
China Airlines
  • China Airlines
  • 9/1
  • 1 total stop
  • 16h 50m total
  • Manila to Ontario
Highest demand for flights based on searches. 7% potential increase in price (₱227,330 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (₱77,476 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on July 30, 2025.

Sat 10/1110:35 amMNL - ONT
1 stop22h 25mChina Airlines
Sat 2/710:50 pmONT - MNL
1 stop19h 05mChina Airlines
Deal found 7/28₱40,599
Wed 9/1010:35 amMNL - ONT
1 stop23h 05mMultiple Airlines
Mon 10/67:47 pmONT - MNL
2 stops22h 48mMultiple Airlines
Deal found 7/30₱42,374
Thu 9/118:40 amMNL - ONT
1 stop18h 33mUnited Airlines
Mon 9/151:15 pmONT - MNL
2 stops25h 40mUnited Airlines
Deal found 7/28₱44,836

Cheapflights Fare Finder

 
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 411,093 searches and data was last updated on July 30, 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Manila

Route

Depart

Return

Price

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Sat 10/11

10:35 am-6:00 pm

1 stop22h 25m

Ontario

Sat 2/7

10:50 pm-9:55 am

1 stop19h 05m

₱40,599

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Wed 9/10

10:35 am-6:40 pm

1 stop23h 05m

Ontario

Mon 10/6

7:47 pm-9:35 am

2 stops22h 48m

₱42,374

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Thu 9/11

8:40 am-12:13 pm

1 stop18h 33m

Ontario

Mon 9/15

1:15 pm-5:55 am

2 stops25h 40m

₱44,836

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Mon 9/1

4:50 pm-6:40 pm

1 stop16h 50m

₱25,024

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Thu 10/30

2:10 pm-8:53 pm

2 stops21h 43m

₱28,058

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Sun 11/16

11:25 pm-12:33 pm

2 stops29h 08m

₱29,776

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Wed 10/29

3:40 am-11:32 pm

2 stops34h 52m

₱31,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

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

Use this chart to determine the optimal time to book a round-trip flight from Manila to Ontario. Price data was last updated on July 25, 2025.

The price you pay for your flight to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Ontario?

On average, a flight from Manila to Ontario takes 15 hours 55 minutes. Flights to Ontario from other popular cities in Philippines will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from Manila to Ontario are Cathay Pacific, China Airlines and United Airlines.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travelers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with EVA Air, China Airlines, and United Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

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

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

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

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

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

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

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

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    Ontario (ONT), located 4.9 km from the city center, is the airport you fly into when you book flights to Ontario.

  • Can I find cheaper flights to Ontario if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, Cathay Pacific is rated the highest out of the airlines that fly to Ontario.

  • Does Ontario have rental cars?

    Yes. Those touching down at Ontario can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

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How does Cheapflights help users find flights to Ontario?

When you search for this flight to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Ontario with no change fees?

Yes, we can. To see specific flights to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Ontario flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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