What is the cheapest airline that flies from Ontario to Asia?

Korean Air, Delta, and United Airlines are the most popular carriers operating from Ontario to Asia

How many flights depart from Ontario to Asia on average per week?

13 flights are operational weekly from Ontario to Asia as of October 2026. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.

What airlines fly to Asia?

Philippine Airlines, Singapore Airlines and ANA are the top three most popular airlines that fly to Asia from Ontario according to our data. Philippine Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Asia. Keep in mind that there are 40 different airlines that fly to Asia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Asia?

Prices for flights from Ontario Airport to Asia are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Asia?

As of October 2026, there are 7 operators available to choose from for flights from Ontario Airport to Asia.

How old do you have to be to fly from Ontario Airport to Asia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Asia.

What documentation or ID do you need to fly to Asia?

The required travel and health documents for your Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$347 Cheap Flights from Ontario to Asia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:30 pmONT Ontario-BKK Bangkok Suvarnabhumi

23h 30m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 10:43 pmBKK Bangkok Suvarnabhumi-ONT Ontario

26h 53m2 stops Incheon Intl Seattle/Tacoma Intl

$701Korean Air

Fri, Feb 26 - Wed, Mar 17

7:00 am - 9:30 pmONT Ontario-BKK Bangkok Suvarnabhumi

23h 30m2 stops Seattle/Tacoma Intl Incheon Intl

1:05 am - 1:57 pmBKK Bangkok Suvarnabhumi-ONT Ontario

27h 52m2 stops Incheon Intl Seattle/Tacoma Intl

$702Korean Air

Thu, Feb 4 - Wed, Feb 17

6:00 am - 9:30 pmONT Ontario-BKK Bangkok Suvarnabhumi

24h 30m2 stops Salt Lake City Incheon Intl

11:15 pm - 10:43 pmBKK Bangkok Suvarnabhumi-ONT Ontario

38h 28m2 stops Incheon Intl Seattle/Tacoma Intl

$730Delta

Mon, Feb 1 - Sun, Feb 21

7:00 am - 11:05 pmONT Ontario-BKK Bangkok Suvarnabhumi

25h 05m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 4:12 pmBKK Bangkok Suvarnabhumi-ONT Ontario

21h 22m2 stops Incheon Intl Salt Lake City

$730Delta

Wed, Jan 27 - Tue, Mar 2

6:00 am - 10:10 pmONT Ontario-MNL Manila Ninoy Aquino Intl

24h 10m2 stops Salt Lake City Incheon Intl

11:35 pm - 5:17 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

33h 42m2 stops Incheon Intl Seattle/Tacoma Intl

$770Multiple Airlines

Thu, Feb 11 - Tue, Mar 9

6:00 am - 10:10 pmONT Ontario-MNL Manila Ninoy Aquino Intl

24h 10m2 stops Salt Lake City Incheon Intl

12:55 am - 5:17 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

32h 22m2 stops Incheon Intl Seattle/Tacoma Intl

$770Multiple Airlines

Thu, Feb 11 - Mon, Mar 8

10:50 pm - 9:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

6:25 pm - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

14h 40m1 stop Taipei City Taiwan Taoyuan Intl

$781China Airlines

Mon, Nov 9 - Mon, Nov 16

10:50 pm - 5:05 pmONT Ontario-MNL Manila Ninoy Aquino Intl

26h 15m1 stop Taipei City Taiwan Taoyuan Intl

6:25 pm - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

14h 40m1 stop Taipei City Taiwan Taoyuan Intl

$781China Airlines

Tue, Jan 12 - Wed, Jan 20

10:45 pm - 10:40 amONT Ontario-MNL Manila Ninoy Aquino Intl

20h 55m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 3:55 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

20h 05m1 stop Taipei City Taiwan Taoyuan Intl

$863STARLUX Airlines

Mon, Oct 26 - Fri, Dec 11

9:45 pm - 10:40 amONT Ontario-MNL Manila Ninoy Aquino Intl

20h 55m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 3:55 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

20h 05m1 stop Taipei City Taiwan Taoyuan Intl

$863STARLUX Airlines

Fri, Jan 8 - Sat, Jan 30

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 10:35 pmONT Ontario-MNL Manila Ninoy Aquino Intl

25h 35m2 stops Salt Lake City Incheon Intl

11:50 pm - 5:12 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

32h 22m2 stops Incheon Intl Seattle/Tacoma Intl

$820Korean Air

Wed, Oct 14 - Wed, Oct 28

12:10 am - 5:15 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 05mnonstop

9:10 pm - 6:00 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 50mnonstop

$823China Airlines

Wed, Oct 14 - Thu, Oct 22

6:20 am - 7:55 pmONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

22h 35m1 stop Seattle/Tacoma Intl

10:55 am - 5:15 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

22h 20m1 stop Seattle/Tacoma Intl

$825Delta

Tue, Oct 13 - Thu, Dec 17

11:56 am - 7:55 pmONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

16h 59m1 stop Seattle/Tacoma Intl

10:55 am - 11:17 amTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

16h 22m1 stop Seattle/Tacoma Intl

$825Delta

Wed, Oct 14 - Tue, Dec 15

12:10 am - 3:50 pmONT Ontario-MNL Manila Ninoy Aquino Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

4:50 pm - 6:00 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

16h 10m1 stop Taipei City Taiwan Taoyuan Intl

$825China Airlines

Mon, Oct 12 - Tue, Oct 20

6:20 am - 1:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

28h 35m2 stops Seattle/Tacoma Intl Incheon Intl

12:50 pm - 10:43 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

24h 53m2 stops Incheon Intl Seattle/Tacoma Intl

$859Korean Air

Tue, Oct 13 - Thu, Oct 29

11:30 pm - 9:30 amONT Ontario-MNL Manila Ninoy Aquino Intl

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

10:45 am - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$863STARLUX Airlines

Sat, Oct 10 - Fri, Oct 16

5:00 am - 5:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

57h 55m2 stops Denver Intl San Francisco

11:25 pm - 12:33 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

29h 08m2 stops San Francisco Denver Intl

$883United Airlines

Sun, Oct 11 - Wed, Nov 25

5:00 am - 5:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

57h 55m2 stops Denver Intl San Francisco

11:25 pm - 10:48 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

15h 23m1 stop San Francisco

$883United Airlines

Sun, Oct 11 - Wed, Nov 25

11:30 pm - 4:35 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 05mnonstop

8:05 pm - 5:05 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

12h 00mnonstop

$911STARLUX Airlines

Mon, Oct 12 - Mon, Oct 19

Cheap direct flights

Enter your travel dates to find the best prices.

10:50 pm - 5:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 40mnonstop

9:35 pm - 6:05 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 30mnonstop

$797China Airlines

Thu, Feb 18 - Thu, Mar 18

11:50 pm - 5:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 40mnonstop

9:35 pm - 5:05 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 30mnonstop

$797China Airlines

Thu, Oct 29 - Thu, Nov 5

11:50 pm - 5:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 40mnonstop

9:35 pm - 5:05 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 30mnonstop

$797China Airlines

Thu, Oct 29 - Mon, Nov 2

10:50 pm - 5:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 40mnonstop

9:35 pm - 6:05 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 30mnonstop

$797China Airlines

Tue, Jan 19 - Wed, Mar 17

10:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 3:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$889STARLUX Airlines

Sat, Oct 31 - Fri, Nov 6

9:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 3:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$889STARLUX Airlines

Wed, Nov 4 - Wed, Nov 11

9:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 3:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$889STARLUX Airlines

Tue, Jan 5 - Tue, Jan 19

9:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 3:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$911American Airlines

Wed, Jan 13 - Mon, Feb 8

9:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 3:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$911American Airlines

Sat, Nov 28 - Tue, Dec 8

10:45 pm - 4:30 amONT Ontario-TPE Taipei City Taiwan Taoyuan Intl

14h 45mnonstop

8:30 pm - 4:55 pmTPE Taipei City Taiwan Taoyuan Intl-ONT Ontario

11h 25mnonstop

$911American Airlines

Mon, Mar 15 - Wed, Mar 24

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Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

Korean Air

Feb 26

ONT7:00 amOntario

23h 30m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Mar 17

BKK9:50 amBangkok Suvarnabhumi

26h 53m

2 stops

ONT10:43 pmOntario

$701

Korean Air

Feb 4

ONT7:00 amOntario

23h 30m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Feb 17

BKK1:05 amBangkok Suvarnabhumi

27h 52m

2 stops

ONT1:57 pmOntario

$702

Korean Air

Jan 27

ONT7:00 amOntario

23h 20m

2 stops

CEB10:20 pmCebu City Mactan Intl

Feb 2

CEB12:15 amCebu City Mactan Intl

38h 28m

2 stops

ONT10:43 pmOntario

$723

United Airlines flights from Ontario to Asia

Our best United Airlines deals on Ontario to Asia flight tickets

United Airlines

Jan 11

ONT7:25 amOntario

24h 40m

2 stops

HAN11:05 pmHanoi Noibai

Jan 20

HAN12:25 amHanoi Noibai

29h 53m

2 stops

ONT3:18 pmOntario

$870

United Airlines

Oct 11

ONT5:00 amOntario

57h 55m

2 stops

MNL5:55 amManila Ninoy Aquino Intl

Nov 25

MNL11:25 pmManila Ninoy Aquino Intl

29h 08m

2 stops

ONT12:33 pmOntario

$883

United Airlines

Oct 18

ONT1:52 pmOntario

44h 03m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Nov 9

BKK9:10 amBangkok Suvarnabhumi

21h 23m

2 stops

ONT3:33 pmOntario

$900

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBangkok

ONT Ontario - BKK Bangkok Suvarnabhumi

ONTBKK

Ontario

Fri 2/26

7:00 am-9:30 pm

2 stops23h 30m

Bangkok Suvarnabhumi

Wed 3/17

9:50 am-10:43 pm

2 stops26h 53m

$701

OntarioBangkok

ONT Ontario - BKK Bangkok Suvarnabhumi

ONTBKK

Ontario

Thu 2/4

7:00 am-9:30 pm

2 stops23h 30m

Bangkok Suvarnabhumi

Wed 2/17

1:05 am-1:57 pm

2 stops27h 52m

$702

OntarioBangkok

ONT Ontario - BKK Bangkok Suvarnabhumi

ONTBKK

Ontario

Mon 2/1

6:00 am-9:30 pm

2 stops24h 30m

Bangkok Suvarnabhumi

Sun 2/21

11:15 pm-10:43 pm

2 stops38h 28m

$730

OntarioBangkok

ONT Ontario - BKK Bangkok Suvarnabhumi

ONTBKK

Ontario

Wed 1/27

7:00 am-11:05 pm

2 stops25h 05m

Bangkok Suvarnabhumi

Tue 3/2

9:50 am-4:12 pm

2 stops21h 22m

$730

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Thu 2/11

6:00 am-10:10 pm

2 stops24h 10m

Manila Ninoy Aquino Intl

Tue 3/9

11:35 pm-5:17 pm

2 stops33h 42m

$770

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Thu 2/11

6:00 am-10:10 pm

2 stops24h 10m

Manila Ninoy Aquino Intl

Mon 3/8

12:55 am-5:17 pm

2 stops32h 22m

$770

Quickest round-trip

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Mon 11/9

10:50 pm-9:55 am

1 stop19h 05m

Manila Ninoy Aquino Intl

Mon 11/16

6:25 pm-5:05 pm

1 stop14h 40m

$781

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Tue 1/12

10:50 pm-5:05 pm

1 stop26h 15m

Manila Ninoy Aquino Intl

Wed 1/20

6:25 pm-5:05 pm

1 stop14h 40m

$781

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Mon 10/26

10:45 pm-10:40 am

1 stop20h 55m

Manila Ninoy Aquino Intl

Fri 12/11

11:50 am-3:55 pm

1 stop20h 05m

$863

OntarioManila

ONT Ontario - MNL Manila Ninoy Aquino Intl

ONTMNL

Ontario

Fri 1/8

9:45 pm-10:40 am

1 stop20h 55m

Manila Ninoy Aquino Intl

Sat 1/30

11:50 am-3:55 pm

1 stop20h 05m

$863

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Asia?

If you’re not able to fly to Asia in March, then February is your next best option. Flight prices from Ontario to Asia during February average around $774.

How far in advance should I book a flight from Ontario to Asia?

You are more likely to see cheaper flights to Asia from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Asia for around $988 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Asia from Ontario for as low as $820 on momondo.

Can stopping save me money on Ontario to Asia flights?

You could potentially save up to 19% on your flight if you consider stops on a Ontario to Asia flight.

Cheap Ontario to Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Asia

Best Price Found	$347
Fastest flight time	14h 05m
Direct flights	Every day
Airports in Asia	1,625 airports

The best one-way flight to Asia from Ontario in the past 72 hours is $347. The best round-trip flight deal from Ontario to Asia found on momondo in the last 72 hours is $701.

The fastest flight from Ontario to Asia takes 14h 05m

Direct flights go from Ontario to Asia every day.

There are 1,625 airports in Asia. From Ontario there are direct flights to Taipei City Taiwan Taoyuan Intl (TPE).

Search flight deals

Frequently asked questions about flying from Ontario to Asia

When did momondo last update prices for flights from Ontario Airport to Asia?
Prices for flights from Ontario Airport to Asia are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Asia?
As of October 2026, there are 7 operators available to choose from for flights from Ontario Airport to Asia.
How old do you have to be to fly from Ontario Airport to Asia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Asia.
What documentation or ID do you need to fly to Asia?
The required travel and health documents for your Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ontario to Asia

Compare and see reviews for airlines that fly from Ontario to Asia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $427	Free Cancellation	Rating 7.8 8,653 reviews	Search Delta flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.4 10,332 reviews	Search United Airlines flights
Korean Air	PriceFrom $455	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
Philippine Airlines	PriceFrom $630	Free Cancellation	Rating 7.3 1,031 reviews	Search Philippine Airlines flights
China Airlines	PriceFrom $658	Free Cancellation	Rating 8.2 850 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $694	Free Cancellation	Rating 8.7 395 reviews	Search STARLUX Airlines flights
American Airlines	PriceFrom $783	Free Cancellation	Rating 7.0 12,150 reviews	Search American Airlines flights
Asiana Airlines	PriceFrom $894	Free Cancellation	Rating 8.1 563 reviews	Search Asiana Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Asia?

It is quick and easy to find Ontario to Asia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Asia that suits you.

Can I find flights from Ontario to Asia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Asia from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Asia?

momondo provides multiple filters to help you find the best flight to Asia from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Asia and let you know when they change.