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

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

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

10 flights are operational weekly from Ontario to Asia as of July 2026. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.

What airlines fly to Asia?

Philippine Airlines, Singapore Airlines and China Airlines 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 38 different airlines that fly to Asia on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Ontario and Asia is 1 per day as of July 2026. The most frequent departure time is 12:00AM, with 63% of daily flights leaving in the morning.

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 July 2026, there are 8 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.

$373 Cheap Flights from Ontario to Asia in 2026

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.

6:20 am - 9:45 pm

ONT

BKK

25h 25m

2 stops

11:30 pm - 10:45 pm

BKK

ONT

37h 15m

2 stops

$801Korean Air

Wed, Aug 19 - Sun, Aug 23

6:20 am - 9:45 pm

ONT

BKK

25h 25m

2 stops

9:40 pm - 5:20 pm

BKK

ONT

33h 40m

2 stops

$802Korean Air

Wed, Aug 19 - Sun, Sep 13

6:00 am - 9:30 pm

ONT

BKK

24h 30m

2 stops

9:40 am - 4:12 pm

BKK

ONT

21h 32m

2 stops

$820Delta

Tue, Nov 10 - Mon, Nov 23

6:00 am - 9:30 pm

ONT

BKK

25h 30m

2 stops

9:40 am - 4:12 pm

BKK

ONT

21h 32m

2 stops

$838Delta

Mon, Oct 26 - Tue, Nov 10

11:30 pm - 4:35 am

ONT

TPE

14h 05mnonstop

8:05 pm - 5:05 pm

TPE

ONT

12h 00mnonstop

$887STARLUX Airlines

Wed, Sep 2 - Wed, Sep 16

10:50 pm - 5:30 am

ONT

TPE

14h 40mnonstop

9:25 pm - 4:50 pm

TPE

ONT

11h 25mnonstop

$890China Airlines

Sat, Nov 21 - Tue, Dec 1

12:45 am - 5:05 am

ONT

TPE

13h 20mnonstop

9:10 pm - 6:40 pm

TPE

ONT

12h 30mnonstop

$891China Airlines

Mon, Aug 31 - Tue, Sep 8

6:08 am - 1:55 pm

ONT

HND

15h 47m

1 stop

9:55 pm - 12:12 pm

HND

ONT

30h 17m

2 stops

$975United Airlines

Mon, Aug 17 - Fri, Aug 28

6:08 am - 7:00 pm

ONT

HND

20h 52m

2 stops

9:55 pm - 6:16 pm

HND

ONT

36h 21m

2 stops

$979United Airlines

Mon, Aug 31 - Tue, Sep 8

11:55 pm - 4:55 pm

ONT

SGN

27h 00m

1 stop

11:30 am - 5:40 pm

SGN

ONT

20h 10m

1 stop

$1,000STARLUX Airlines

Mon, Aug 3 - Fri, Aug 21

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Delta flights from Ontario to Asia

Our best Delta deals on Ontario to Asia flight tickets

Delta

Nov 10

ONT6:00 amOntario

24h 30m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Nov 23

BKK9:40 amBangkok Suvarnabhumi

21h 32m

2 stops

ONT4:12 pmOntario

$820

Delta

Oct 26

ONT6:00 amOntario

25h 30m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Nov 10

BKK9:40 amBangkok Suvarnabhumi

21h 32m

2 stops

ONT4:12 pmOntario

$838

Delta

Oct 5

ONT6:20 amOntario

25h 25m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Nov 10

BKK9:40 amBangkok Suvarnabhumi

21h 32m

2 stops

ONT4:12 pmOntario

$839

Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

Korean Air

Aug 19

ONT6:20 amOntario

25h 25m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Aug 23

BKK11:30 pmBangkok Suvarnabhumi

37h 15m

2 stops

ONT10:45 pmOntario

$801

Korean Air

Aug 19

ONT6:20 amOntario

25h 25m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Sep 13

BKK9:40 pmBangkok Suvarnabhumi

33h 40m

2 stops

ONT5:20 pmOntario

$802

Korean Air

Aug 20

ONT6:20 amOntario

27h 15m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Sep 2

BKK11:30 pmBangkok Suvarnabhumi

31h 51m

2 stops

ONT5:21 pmOntario

$817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Wed 8/19

6:20 am-9:45 pm

2 stops25h 25m

Bangkok Suvarnabhumi

Sun 8/23

11:30 pm-10:45 pm

2 stops37h 15m

$801

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Wed 8/19

6:20 am-9:45 pm

2 stops25h 25m

Bangkok Suvarnabhumi

Sun 9/13

9:40 pm-5:20 pm

2 stops33h 40m

$802

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Tue 11/10

6:00 am-9:30 pm

2 stops24h 30m

Bangkok Suvarnabhumi

Mon 11/23

9:40 am-4:12 pm

2 stops21h 32m

$820

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Mon 10/26

6:00 am-9:30 pm

2 stops25h 30m

Bangkok Suvarnabhumi

Tue 11/10

9:40 am-4:12 pm

2 stops21h 32m

$838

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 9/2

11:30 pm-4:35 am

Nonstop14h 05m

Taipei City Taiwan Taoyuan Intl

Wed 9/16

8:05 pm-5:05 pm

Nonstop12h 00m

$887

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 11/21

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Tue 12/1

9:25 pm-4:50 pm

Nonstop11h 25m

$890

Quickest round-trip

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 8/31

12:45 am-5:05 am

Nonstop13h 20m

Taipei City Taiwan Taoyuan Intl

Tue 9/8

9:10 pm-6:40 pm

Nonstop12h 30m

$891

OntarioTokyo

ONT - HND

ONTHND

Ontario

Mon 8/17

6:08 am-1:55 pm

1 stop15h 47m

Tokyo Haneda

Fri 8/28

9:55 pm-12:12 pm

2 stops30h 17m

$975

OntarioTokyo

ONT - HND

ONTHND

Ontario

Mon 8/31

6:08 am-7:00 pm

2 stops20h 52m

Tokyo Haneda

Tue 9/8

9:55 pm-6:16 pm

2 stops36h 21m

$979

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 8/3

11:55 pm-4:55 pm

1 stop27h 00m

Ho Chi Minh City

Fri 8/21

11:30 am-5:40 pm

1 stop20h 10m

$1,000

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 January, then March is your next best option. Flight prices from Ontario to Asia during March average around $721.

What is the cheapest Ontario to Asia flight route?

Fly from Ontario to Taipei City Taiwan Taoyuan Intl for the best Ontario - Asia flight prices

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 $962 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 $761 on momondo.

What cabin class options are available on Ontario to Asia flights?

There are 4 cabin classes available to choose from on Ontario to Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to Asia flights?

You could potentially save up to 24% 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	$566
Fastest flight time	13h 20m
Direct flights	Every day
Airports in Asia	1,622 airports

The best one-way flight to Asia from Ontario in the past 72 hours is $566. The best round-trip flight deal from Ontario to Asia found on momondo in the last 72 hours is $998.

The fastest flight from Ontario to Asia takes 13h 20m

Direct flights go from Ontario to Asia every day.

There are 1,622 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 July 2026, there are 8 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 $457	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 9,930 reviews	Search United Airlines flights
Korean Air	PriceFrom $611	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights
China Airlines	PriceFrom $646	Free Cancellation	Rating 8.3 831 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $647	Free Cancellation	Rating 8.1 550 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $651	Free Cancellation	Rating 8.9 353 reviews	Search STARLUX Airlines flights
Philippine Airlines	PriceFrom $754	Free Cancellation	Rating 7.3 1,006 reviews	Search Philippine Airlines flights
American Airlines	PriceFrom $783	Free Cancellation	Rating 7.1 11,765 reviews	Search American 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.

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Popular cities

Other flights from Ontario

Other flights to Asia

Airlines

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Complete your trip

Feeling lucky

Popular cities in Asia

Flights to Bangkokfrom $574

Flights to Tokyofrom $392

Flights to Manilafrom $576

Flights to New Delhifrom $644

Flights to Mumbaifrom $621

Flights to Ho Chi Minh Cityfrom $50

Flights to Denpasarfrom $719

Flights to Hyderabadfrom $708

Flights to Singaporefrom $594

Flights to Kuala Lumpurfrom $613

Flights to Hong Kongfrom $649

Flights to Phuket Cityfrom $652

Cheap flights from Ontario to Asia from $373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Asia departing on 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Asia

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Delta flights from Ontario to Asia

Our best Delta deals on Ontario to Asia flight tickets

Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

momondo Fare Finder

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

How to get the cheapest flight ticket from Ontario to Asia

What is the cheapest month to fly to Asia?

What is the cheapest Ontario to Asia flight route?

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

What cabin class options are available on Ontario to Asia flights?

Can stopping save me money on Ontario to Asia flights?

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

What airlines fly to Asia?

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

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

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

Fastest flight time

Direct flights

Airports in Asia

Frequently asked questions about flying from Ontario to Asia

Best airlines flying from Ontario to Asia

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

Why use momondo?

An easier way to manage your Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Asia

Popular cities in Asia

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

Asia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Asia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Asia

List of cabin classes available on flights landing in Asia. Availability may vary depending on flight origin and airline.

Complete your trip to Asia

Explore popular destinations other users love

According to popular flight searches on momondo this year