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

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

What airlines fly to Ontario?

Philippine Airlines, Cathay Pacific and Asiana Airlines are the top three most popular airlines that fly to Ontario from Asia according to our data. Philippine Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 27 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Asia and Ontario is 11 per week as of August 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

How long does it take to fly to Ontario?

Average flight duration from Asia to Ontario depends on which airport you fly into and out of. Flying from Incheon to Los Angeles is 11h on average, while flying from Bangkok to Los Angeles is 20h 15m on average. Los Angeles is the most popular airport in Ontario.

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

Prices for flights from Asia to Ontario Airport refresh daily.

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

As of August 2025, there are 3 operators available to choose from for flights from Asia to Ontario Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Asia to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport 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 Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$339 Cheap Flights from Asia to Ontario in 2025

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Find the cheapest flights from Asia to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:45 pm - 5:34 pmICN-ONT

21h 49m1 stop

6:38 pm - 4:15 pmONT-ICN

28h 37m1 stop

$523United Airlines

Find Deal

Sat, Nov 8 - Sun, Nov 23

6:00 pm - 5:34 pmICN-ONT

16h 34m1 stop

6:38 pm - 5:40 amONT-ICN

18h 02m1 stop

$524United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

8:35 pm - 12:03 amICN-ONT

19h 28m1 stop

7:40 pm - 6:35 pmONT-ICN

30h 55m1 stop

$585Hawaiian Airlines

Find Deal

Thu, Sep 18 - Fri, Sep 26

8:35 pm - 12:03 amICN-ONT

19h 28m1 stop

6:00 am - 6:35 pmONT-ICN

20h 35m1 stop

$586Hawaiian Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 22

8:35 pm - 12:03 amICN-ONT

19h 28m1 stop

10:09 am - 7:00 pmONT-ICN

16h 51m1 stop

$594Alaska Airlines

Find Deal

Mon, Sep 15 - Fri, Sep 19

8:35 pm - 11:32 pmICN-ONT

19h 57m1 stop

6:00 am - 6:35 pmONT-ICN

19h 35m1 stop

$595Alaska Airlines

Find Deal

Fri, Nov 7 - Sat, Nov 22

4:50 pm - 6:40 pmMNL-ONT

16h 50m1 stop

12:10 am - 9:35 amONT-MNL

18h 25m1 stop

$709China Airlines

Find Deal

Thu, Sep 4 - Tue, Sep 16

10:35 am - 6:00 pmMNL-ONT

22h 25m1 stop

12:10 am - 3:50 pmONT-MNL

24h 40m1 stop

$711China Airlines

Find Deal

Sat, Oct 4 - Tue, Oct 7

11:20 am - 5:05 pmHKG-ONT

20h 45m1 stop

11:10 pm - 6:55 pmONT-HKG

28h 45m1 stop

$717STARLUX Airlines

Find Deal

Sat, Sep 27 - Mon, Oct 6

8:10 pm - 5:05 pmHKG-ONT

35h 55m1 stop

11:10 pm - 6:55 pmONT-HKG

28h 45m1 stop

$718STARLUX Airlines

Find Deal

Fri, Sep 26 - Mon, Oct 6

Alaska Airlines flights from Asia to Ontario

Our best Alaska Airlines deals on Asia to Ontario flight tickets

Alaska Airlines

Sep 15

ICN8:35 pmIncheon Intl

19h 28m

1 stop

ONT12:03 amOntario

Sep 19

ONT10:09 amOntario

16h 51m

1 stop

ICN7:00 pmIncheon Intl

$594

Find similar

Alaska Airlines

Nov 7

ICN8:35 pmIncheon Intl

19h 57m

1 stop

ONT11:32 pmOntario

Nov 22

ONT6:00 amOntario

19h 35m

1 stop

ICN6:35 pmIncheon Intl

$595

Find similar

Alaska Airlines

Jan 30

ICN8:35 pmIncheon Intl

35h 37m

1 stop

ONT3:12 pmOntario

Feb 6

ONT6:55 pmOntario

30h 40m

1 stop

ICN6:35 pmIncheon Intl

$609

Find similar

United Airlines flights from Asia to Ontario

Our best United Airlines deals on Asia to Ontario flight tickets

United Airlines

Nov 8

ICN12:45 pmIncheon Intl

21h 49m

1 stop

ONT5:34 pmOntario

Nov 23

ONT6:38 pmOntario

28h 37m

1 stop

ICN4:15 pmIncheon Intl

$523

Find similar

United Airlines

Nov 11

ICN6:00 pmIncheon Intl

16h 34m

1 stop

ONT5:34 pmOntario

Nov 18

ONT6:38 pmOntario

18h 02m

1 stop

ICN5:40 amIncheon Intl

$524

Find similar

United Airlines

Oct 8

ICN11:30 amIncheon Intl

16h 43m

1 stop

ONT12:13 pmOntario

Feb 25

ONT7:15 pmOntario

17h 25m

1 stop

ICN5:40 amIncheon Intl

$574

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sat 11/8

12:45 pm-5:34 pm

1 stop21h 49m

Ontario

Sun 11/23

6:38 pm-4:15 pm

1 stop28h 37m

$523

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Tue 11/11

6:00 pm-5:34 pm

1 stop16h 34m

Ontario

Tue 11/18

6:38 pm-5:40 am

1 stop18h 02m

$524

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 9/18

8:35 pm-12:03 am

1 stop19h 28m

Ontario

Fri 9/26

7:40 pm-6:35 pm

1 stop30h 55m

$585

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sat 10/18

8:35 pm-12:03 am

1 stop19h 28m

Ontario

Wed 10/22

6:00 am-6:35 pm

1 stop20h 35m

$586

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Mon 9/15

8:35 pm-12:03 am

1 stop19h 28m

Ontario

Fri 9/19

10:09 am-7:00 pm

1 stop16h 51m

$594

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Fri 11/7

8:35 pm-11:32 pm

1 stop19h 57m

Ontario

Sat 11/22

6:00 am-6:35 pm

1 stop19h 35m

$595

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Thu 9/4

4:50 pm-6:40 pm

1 stop16h 50m

Ontario

Tue 9/16

12:10 am-9:35 am

1 stop18h 25m

$709

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Sat 10/4

10:35 am-6:00 pm

1 stop22h 25m

Ontario

Tue 10/7

12:10 am-3:50 pm

1 stop24h 40m

$711

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 9/27

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Mon 10/6

11:10 pm-6:55 pm

1 stop28h 45m

$717

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 9/26

8:10 pm-5:05 pm

1 stop35h 55m

Ontario

Mon 10/6

11:10 pm-6:55 pm

1 stop28h 45m

$718

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How to get the cheapest flight ticket from Asia to Ontario

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 Ontario?

In general, August is the cheapest month to fly from Asia to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $799. If you aren’t able to travel during the month of August, then book flights to Ontario from Asia during December instead. Flights to Ontario in December, while not as cheap as those in August, still average around $866.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $891. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Asia to Ontario for around $1,014.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Asia to Ontario when you can find flight prices for as low as $883. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $953 on average. Flights to Ontario from Asia at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Asia to Ontario flights?

You could potentially save up to 31% on your flight if you consider stops on a Asia to Ontario flight.

Cheap Asia to Ontario flight deals and tips

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

Best Price Found	$854
Fastest flight time	11h 20m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Asia in the past 72 hours is $854. The best round-trip flight deal from Asia to Ontario found on momondo in the last 72 hours is $887.

The fastest flight from Asia to Ontario takes 11h 20m

Direct flights go from Asia to Ontario every day.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

When did momondo last update prices for flights from Asia to Ontario Airport?
Prices for flights from Asia to Ontario Airport refresh daily.
How many operators does momondo search for flights from Asia to Ontario Airport?
As of August 2025, there are 3 operators available to choose from for flights from Asia to Ontario Airport.
How old do you have to be to fly from Asia to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Asia to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport 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 Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Asia to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $550	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
China Airlines	PriceFrom $708	Free Cancellation	Rating 8.3 764 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $799	Free Cancellation	Rating 9.0 207 reviews	Search STARLUX Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Asia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Asia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Asia and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Asia to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.