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

Delta, Korean Air, and KLM are the most popular carriers operating from Ontario 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 December 2025. 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 December 2025. 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 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 December 2025, 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.

$312 Cheap Flights from Ontario to Asia in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:03 pm - 4:00 pm

ONT

NRT

30h 57m1 stop

6:30 pm - 3:08 pm

NRT

ONT

13h 38m1 stop

$598Hawaiian Airlines

Sat, Jan 10 - Fri, Jan 23

6:00 am - 4:00 pm

ONT

NRT

17h 00m1 stop

6:30 pm - 3:08 pm

NRT

ONT

13h 38m1 stop

$616Hawaiian Airlines

Sun, Jan 18 - Tue, Jan 27

6:00 am - 4:00 pm

ONT

NRT

17h 00m1 stop

6:30 pm - 3:08 pm

NRT

ONT

13h 38m1 stop

$625Hawaiian Airlines

Sun, Jan 11 - Tue, Jan 27

3:30 pm - 9:05 pm

ONT

TPE

37h 35m1 stop

10:55 am - 1:56 pm

TPE

ONT

19h 01m1 stop

$647Delta

Sat, Jan 10 - Fri, Jan 30

7:30 am - 9:05 pm

ONT

TPE

21h 35m1 stop

10:55 am - 10:51 pm

TPE

ONT

27h 56m1 stop

$648Delta

Thu, Jan 8 - Mon, Jan 26

10:50 pm - 5:30 am

ONT

TPE

14h 40mnonstop

9:25 pm - 4:50 pm

TPE

ONT

11h 25mnonstop

$655China Airlines

Tue, Jan 20 - Tue, Jan 27

10:50 pm - 3:55 pm

ONT

MNL

25h 05m1 stop

4:55 pm - 5:50 pm

MNL

ONT

15h 55m1 stop

$663China Airlines

Mon, Mar 2 - Tue, Mar 24

6:10 am - 12:15 am

ONT

SGN

27h 05m2 stops

7:00 am - 5:47 pm

SGN

ONT

24h 47m2 stops

$716United Airlines

Tue, Mar 3 - Tue, Jul 7

6:00 am - 9:50 pm

ONT

SGN

25h 50m2 stops

11:15 pm - 10:52 pm

SGN

ONT

37h 37m2 stops

$718United Airlines

Thu, Apr 30 - Sun, May 17

6:00 am - 12:45 am

ONT

BKK

28h 45m2 stops

9:50 am - 5:13 pm

BKK

ONT

45h 23m2 stops

$744Korean Air

Fri, Mar 20 - Sat, Apr 4

Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

Korean Air

Apr 12

ONT6:00 amOntario

39h 10m

2 stops

TPE12:10 pmTaipei City Taiwan Taoyuan Intl

Apr 19

TPE6:55 pmTaipei City Taiwan Taoyuan Intl

37h 20m

2 stops

ONT5:15 pmOntario

$686

Find similar

Korean Air

Mar 10

ONT6:00 amOntario

25h 25m

2 stops

MNL10:25 pmManila Ninoy Aquino Intl

Apr 13

MNL12:20 pmManila Ninoy Aquino Intl

43h 55m

2 stops

ONT5:15 pmOntario

$705

Find similar

Korean Air

Feb 2

ONT6:00 amOntario

25h 30m

2 stops

MNL11:30 pmManila Ninoy Aquino Intl

Feb 14

MNL12:55 amManila Ninoy Aquino Intl

36h 49m

2 stops

ONT9:44 pmOntario

$725

Find similar

United Airlines flights from Ontario to Asia

Our best United Airlines deals on Ontario to Asia flight tickets

United Airlines

Jan 7

ONT6:00 amOntario

15h 50m

1 stop

HND2:50 pmTokyo Haneda

Jan 23

HND9:55 pmTokyo Haneda

31h 22m

2 stops

ONT12:17 pmOntario

$712

Find similar

United Airlines

Mar 3

ONT6:10 amOntario

27h 05m

2 stops

SGN12:15 amHo Chi Minh City

Jul 7

SGN7:00 amHo Chi Minh City

24h 47m

2 stops

ONT5:47 pmOntario

$716

Find similar

United Airlines

Apr 30

ONT6:00 amOntario

25h 50m

2 stops

SGN9:50 pmHo Chi Minh City

May 17

SGN11:15 pmHo Chi Minh City

37h 37m

2 stops

ONT10:52 pmOntario

$718

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Sat 1/10

4:03 pm-4:00 pm

1 stop30h 57m

Tokyo Narita

Fri 1/23

6:30 pm-3:08 pm

1 stop13h 38m

$598

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Sun 1/18

6:00 am-4:00 pm

1 stop17h 00m

Tokyo Narita

Tue 1/27

6:30 pm-3:08 pm

1 stop13h 38m

$616

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Sun 1/11

6:00 am-4:00 pm

1 stop17h 00m

Tokyo Narita

Tue 1/27

6:30 pm-3:08 pm

1 stop13h 38m

$625

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 1/10

3:30 pm-9:05 pm

1 stop37h 35m

Taipei City Taiwan Taoyuan Intl

Fri 1/30

10:55 am-1:56 pm

1 stop19h 01m

$647

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 1/8

7:30 am-9:05 pm

1 stop21h 35m

Taipei City Taiwan Taoyuan Intl

Mon 1/26

10:55 am-10:51 pm

1 stop27h 56m

$648

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 1/20

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Tue 1/27

9:25 pm-4:50 pm

Nonstop11h 25m

$655

OntarioManila

ONT - MNL

ONTMNL

Ontario

Mon 3/2

10:50 pm-3:55 pm

1 stop25h 05m

Manila Ninoy Aquino Intl

Tue 3/24

4:55 pm-5:50 pm

1 stop15h 55m

$663

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 3/3

6:10 am-12:15 am

2 stops27h 05m

Ho Chi Minh City

Tue 7/7

7:00 am-5:47 pm

2 stops24h 47m

$716

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 4/30

6:00 am-9:50 pm

2 stops25h 50m

Ho Chi Minh City

Sun 5/17

11:15 pm-10:52 pm

2 stops37h 37m

$718

OntarioBangkok

ONT - BKK

ONTBKK

Ontario

Fri 3/20

6:00 am-12:45 am

2 stops28h 45m

Bangkok Suvarnabhumi

Sat 4/4

9:50 am-5:13 pm

2 stops45h 23m

$744

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 October is your next best option. Flight prices from Ontario to Asia during October average around $808.

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

The cheapest day to depart from Ontario to Asia is on a Wednesday. Travelers who choose to depart for Asia on a Wednesday will often find tickets for as low as $884. The most expensive day to fly to Asia is Friday, with ticket prices averaging around $1,065.

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

Our most recent data shows that the best time of day to fly to Asia is in the morning. Flights from Ontario to Asia during this time can be as low as $911. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,279 on average. Flights to Asia from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $986 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 $826 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 30% 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	$413
Fastest flight time	14h 05m
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 $413. The best round-trip flight deal from Ontario to Asia found on momondo in the last 72 hours is $684.

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

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 December 2025, 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 9,114 reviews	Search United Airlines flights
Korean Air	PriceFrom $637	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $647	Free Cancellation	Rating 8.2 499 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $648	Free Cancellation	Rating 8.3 792 reviews	Search China Airlines flights
Delta	PriceFrom $655	Free Cancellation	Rating 7.9 8,012 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $655	Free Cancellation	Rating 8.9 249 reviews	Search STARLUX Airlines flights
American Airlines	PriceFrom $712	Free Cancellation	Rating 7.2 11,057 reviews	Search American Airlines flights
Philippine Airlines	PriceFrom $754	Free Cancellation	Rating 7.3 943 reviews	Search Philippine Airlines flights
Hawaiian Airlines	PriceFrom $892	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Cathay Pacific	PriceFrom $928	Free Cancellation	Rating 7.6 1,103 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 $526

Flights to Tokyofrom $455

Flights to Manilafrom $545

Flights to New Delhifrom $568

Flights to Mumbaifrom $534

Flights to Ho Chi Minh Cityfrom $544

Flights to Denpasarfrom $631

Flights to Hyderabadfrom $612

Flights to Singaporefrom $551

Flights to Kuala Lumpurfrom $570

Flights to Phuket Cityfrom $582

Flights to Hong Kongfrom $456

Cheap flights from Ontario to Asia from $312

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 1/19. 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

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Find the cheapest flights from Ontario to Asia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Korean Air flights from Ontario to Asia

Our best Korean Air deals on Ontario to Asia flight tickets

United Airlines flights from Ontario to Asia

Our best United Airlines 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 October is your next best option. Flight prices from Ontario to Asia during October average around $808.

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

The cheapest day to depart from Ontario to Asia is on a Wednesday. Travelers who choose to depart for Asia on a Wednesday will often find tickets for as low as $884. The most expensive day to fly to Asia is Friday, with ticket prices averaging around $1,065.

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

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 30% on your flight if you consider stops on a Ontario to Asia flight.

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

Delta, Korean Air, and KLM 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 December 2025. 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 December 2025. 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