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₱28,907+ Cheap flights to Ontario

— ONT
Oct 10 — Oct 171
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ontario

Fri 10/3011:50 am -
1 stop20h 05m
Fri 4/3011:10 pm -
1 stop19h 20m
Deal found 9/9₱46,701
Mon 9/2110:45 am -
1 stop21h 20m
Sat 10/2410:45 pm -
1 stop20h 55m
Deal found 9/10₱47,513
Mon 12/2111:50 am -
1 stop20h 05m
Mon 1/49:45 pm -
1 stop20h 55m
Deal found 9/9₱51,509
Mon 10/1210:45 am -
1 stop21h 20m
Mon 10/1911:30 pm -
1 stop19h 00m
Deal found 9/7₱51,821
Fri 10/210:45 am -
1 stop21h 20m
Mon 10/511:30 pm -
1 stop19h 00m
Deal found 9/5₱52,195
Sat 11/1411:50 am -
1 stop20h 05m
Tue 12/159:45 pm -
1 stop20h 55m
Deal found 9/8₱52,258
Sat 9/1210:45 am -
1 stop21h 20m
Mon 9/1411:30 pm -
1 stop19h 00m
Deal found 9/8₱52,445
Fri 12/1811:50 am -
1 stop20h 05m
Mon 1/49:45 pm -
1 stop20h 55m
Deal found 9/6₱52,508
Mon 11/1611:50 am -
1 stop20h 05m
Fri 12/119:45 pm -
1 stop20h 55m
Deal found 9/8₱52,570
Fri 10/210:45 am -
1 stop21h 20m
Wed 11/189:45 pm -
1 stop20h 55m
Deal found 9/7₱52,695
Fri 10/210:45 am -
1 stop21h 20m
Fri 10/911:30 pm -
1 stop19h 00m
Deal found 9/6₱52,757
Sat 11/711:50 am -
1 stop20h 05m
Fri 11/209:45 pm -
1 stop20h 55m
Deal found 9/8₱53,257

Find flight deals to Ontario

Round-trip from

₱45,453

One-way from

₱28,907

Popular in

July

Cheapest in

April

Average price

₱47,825
China Southern
  • China Southern
  • 11/11-11/23
  • 2 total stops
  • 43h 20m total
  • Manila to Los Angeles
Search Deals
STARLUX Airlines
  • STARLUX Airlines
  • 10/2-12/31
  • 1 total stop
  • 21h 20m total
  • Manila to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₱4,874 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₱564 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Sun 10/4

4:50 pm-6:00 pm

1 stop16h 10m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,402

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Thu 10/1

4:50 pm-6:00 pm

1 stop16h 10m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,402
Quickest round-trip

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Wed 11/18

6:25 pm-5:05 pm

1 stop14h 40m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,402

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Thu 10/15

4:50 pm-6:00 pm

1 stop16h 10m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,402

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Thu 11/26

6:25 pm-5:05 pm

1 stop14h 40m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,651

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Wed 11/25

6:25 pm-5:05 pm

1 stop14h 40m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,651

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Mon 11/30

6:25 pm-5:05 pm

1 stop14h 40m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,651

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Tue 11/24

6:25 pm-5:05 pm

1 stop14h 40m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱34,651

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Thu 12/3

9:55 am-8:20 pm

2 stops26h 25m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱47,450

ManilaOntario

MNL Manila Ninoy Aquino Intl - ONT Ontario

MNLONT

Manila Ninoy Aquino Intl

Fri 10/30

11:25 pm-12:33 pm

2 stops28h 08m

Ontario

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

₱47,450

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight to Ontario

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

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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with STARLUX Airlines and China 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.
STARLUX Airlines
8.7
Very good
Check prices

Comfort

8.8

Entertainment

8.7

Food

8.5

Overall

8.7

Boarding

8.8

Crew

9.1

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
STARLUX Airlines
8.7
Very good
STARLUX Airlines
8.7
Very good
Check prices

Comfort

8.8

Entertainment

8.7

Food

8.5

Overall

8.7

Boarding

8.8

Crew

9.1

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
China Airlines
8.3
Very good
844 reviews
STARLUX Airlines
8.7
Very good
Check prices

Comfort

8.8

Entertainment

8.7

Food

8.5

Overall

8.7

Boarding

8.8

Crew

9.1

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

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, STARLUX Airlines 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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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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