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

11 flights are operational weekly from Ontario to Asia as of January 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

What airlines fly to Asia?

Philippine Airlines, ANA and Singapore 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 32% of people opting to fly with this airline when traveling to Asia. Keep in mind that there are 39 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 January 2026. The most frequent departure time is 10:00PM, with 100% of daily flights leaving in the evening.

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

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 January 2026, there are 9 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.

$304 Cheap Flights from Ontario to Asia in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:14 am - 4:00 pm

ONT

NRT

16h 46m1 stop

6:30 pm - 11:32 pm

NRT

ONT

22h 02m1 stop

$590Hawaiian Airlines

Tue, Feb 17 - Thu, Feb 26

6:00 am - 4:00 pm

ONT

NRT

17h 00m1 stop

6:30 pm - 3:08 pm

NRT

ONT

13h 38m1 stop

$605Hawaiian Airlines

Sun, Jan 25 - Tue, Feb 10

10:45 pm - 4:30 am

ONT

TPE

14h 45mnonstop

8:30 pm - 4:50 pm

TPE

ONT

11h 20mnonstop

$666STARLUX Airlines

Wed, Mar 11 - Wed, Mar 25

11:10 pm - 4:15 am

ONT

TPE

14h 05mnonstop

8:05 pm - 5:40 pm

TPE

ONT

12h 35mnonstop

$667STARLUX Airlines

Mon, May 18 - Fri, Jul 24

7:30 am - 7:55 pm

ONT

TPE

21h 25m1 stop

9:35 am - 11:13 am

TPE

ONT

16h 38m1 stop

$668Delta

Mon, Apr 13 - Tue, Apr 21

10:50 pm - 5:30 am

ONT

TPE

14h 40mnonstop

9:25 pm - 4:50 pm

TPE

ONT

11h 25mnonstop

$671China Airlines

Mon, Feb 2 - Wed, Feb 18

6:00 am - 7:55 pm

ONT

TPE

22h 55m2 stops

9:35 am - 11:44 pm

TPE

ONT

29h 09m2 stops

$673Delta

Mon, Apr 13 - Tue, Apr 21

10:50 pm - 5:30 am

ONT

TPE

14h 40mnonstop

9:25 pm - 4:50 pm

TPE

ONT

11h 25mnonstop

$677China Airlines

Mon, Jan 19 - Fri, Feb 20

6:00 am - 9:50 pm

ONT

SGN

25h 50m2 stops

11:15 pm - 5:47 pm

SGN

ONT

32h 32m2 stops

$719United Airlines

Mon, Mar 30 - Sun, Apr 26

6:37 pm - 5:10 am

ONT

BKK

43h 33m2 stops

9:35 am - 10:45 pm

BKK

ONT

27h 10m2 stops

$721United Airlines

Sun, Mar 1 - Wed, Apr 29

Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

Korean Air

Apr 17

ONT7:30 amOntario

24h 35m

2 stops

SGN10:05 pmHo Chi Minh City

Apr 22

SGN7:35 amHo Chi Minh City

23h 40m

2 stops

ONT5:15 pmOntario

$692

Korean Air

May 3

ONT7:30 amOntario

36h 25m

2 stops

MNL10:55 amManila Ninoy Aquino Intl

May 17

MNL12:20 pmManila Ninoy Aquino Intl

43h 56m

2 stops

ONT5:16 pmOntario

$707

Korean Air

Feb 7

ONT6:00 amOntario

26h 20m

2 stops

SGN11:20 pmHo Chi Minh City

Apr 16

SGN7:35 amHo Chi Minh City

23h 40m

2 stops

ONT5:15 pmOntario

$711

Delta flights from Ontario to Asia

Our best Delta deals on Ontario to Asia flight tickets

Delta

Apr 13

ONT7:30 amOntario

21h 25m

1 stop

TPE7:55 pmTaipei City Taiwan Taoyuan Intl

Apr 19

TPE9:35 amTaipei City Taiwan Taoyuan Intl

16h 38m

1 stop

ONT11:13 amOntario

$668

Delta

Apr 13

ONT11:53 amOntario

17h 02m

1 stop

TPE7:55 pmTaipei City Taiwan Taoyuan Intl

Apr 30

TPE9:35 amTaipei City Taiwan Taoyuan Intl

29h 09m

2 stops

ONT11:44 pmOntario

$673

Delta

Apr 11

ONT5:53 pmOntario

35h 02m

1 stop

TPE7:55 pmTaipei City Taiwan Taoyuan Intl

Apr 18

TPE9:35 amTaipei City Taiwan Taoyuan Intl

16h 38m

1 stop

ONT11:13 amOntario

$675

Fly from

Fly to

Route

Depart

Return

Price

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Tue 2/17

6:14 am-4:00 pm

1 stop16h 46m

Tokyo Narita

Thu 2/26

6:30 pm-11:32 pm

1 stop22h 02m

$590

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Sun 1/25

6:00 am-4:00 pm

1 stop17h 00m

Tokyo Narita

Tue 2/10

6:30 pm-3:08 pm

1 stop13h 38m

$605

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 3/11

10:45 pm-4:30 am

Nonstop14h 45m

Taipei City Taiwan Taoyuan Intl

Wed 3/25

8:30 pm-4:50 pm

Nonstop11h 20m

$666

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 5/18

11:10 pm-4:15 am

Nonstop14h 05m

Taipei City Taiwan Taoyuan Intl

Fri 7/24

8:05 pm-5:40 pm

Nonstop12h 35m

$667

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 4/13

7:30 am-7:55 pm

1 stop21h 25m

Taipei City Taiwan Taoyuan Intl

Tue 4/21

9:35 am-11:13 am

1 stop16h 38m

$668

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 2/2

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Wed 2/18

9:25 pm-4:50 pm

Nonstop11h 25m

$671

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 4/13

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Tue 4/21

9:35 am-11:44 pm

2 stops29h 09m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 1/19

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Fri 2/20

9:25 pm-4:50 pm

Nonstop11h 25m

$677

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 3/30

6:00 am-9:50 pm

2 stops25h 50m

Ho Chi Minh City

Sun 4/26

11:15 pm-5:47 pm

2 stops32h 32m

$719

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Sun 3/1

6:37 pm-5:10 am

2 stops43h 33m

Bangkok Suvarnabhumi

Wed 4/29

9:35 am-10:45 pm

2 stops27h 10m

$721

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 February is your next best option. Flight prices from Ontario to Asia during February average around $786.

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 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 $973 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 $804 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 34% 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	$419
Fastest flight time	13h 30m
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 $419. The best round-trip flight deal from Ontario to Asia found on momondo in the last 72 hours is $691.

The fastest flight from Ontario to Asia takes 13h 30m

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

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 January 2026, there are 9 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
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
Korean Air	PriceFrom $637	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $647	Free Cancellation	Rating 8.2 499 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $649	Free Cancellation	Rating 8.3 798 reviews	Search China Airlines flights
Delta	PriceFrom $655	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $656	Free Cancellation	Rating 8.9 258 reviews	Search STARLUX Airlines flights
American Airlines	PriceFrom $712	Free Cancellation	Rating 7.2 11,097 reviews	Search American Airlines flights
Philippine Airlines	PriceFrom $754	Free Cancellation	Rating 7.3 949 reviews	Search Philippine Airlines flights
Hawaiian Airlines	PriceFrom $892	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights
Cathay Pacific	PriceFrom $928	Free Cancellation	Rating 7.6 1,126 reviews	Search Cathay Pacific 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.

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.

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Find better results for your trip to Asia

Popular cities in Asia

Flights to Bangkokfrom $533

Flights to Tokyofrom $461

Flights to Manilafrom $481

Flights to New Delhifrom $582

Flights to Mumbaifrom $567

Flights to Ho Chi Minh Cityfrom $529

Flights to Denpasarfrom $632

Flights to Hyderabadfrom $522

Flights to Singaporefrom $595

Flights to Kuala Lumpurfrom $549

Flights to Phuket Cityfrom $593

Flights to Hong Kongfrom $528

Cheap flights from Ontario to Asia from $304

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Asia

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

Delta flights from Ontario to Asia

Our best Delta 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?

If you’re not able to fly to Asia in January, then February is your next best option. Flight prices from Ontario to Asia during February average around $786.

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 to Asia?

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 34% on your flight if you consider stops on a Ontario to Asia flight.

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

What airlines fly to Asia?

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 January 2026. The most frequent departure time is 10:00PM, with 100% of daily flights leaving in the evening.

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

11 flights are operational weekly from Ontario to Asia as of January 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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