How long is the flight from Ontario to Asia?

Delta, China Airlines, and United Airlines can get you from Ontario to Asia in just under 18h 25m. Your travel time can differ by up to 6h 16m. Airlines will cover a distance of 7327 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from Ontario to Asia one-way?

$342 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and Korean Air, with prices starting from $356 and $363, respectively.

In terms of precipitation, rainfall in Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Asia when rainfall is around 0.4 in.

If weather is an important factor for your trip to Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular routes from Ontario to Asia?

The most popular route from Ontario to Asia is Ontario - Tokyo Narita. You may also consider Ontario - Tokyo Haneda or Ontario - Taipei City Taiwan Taoyuan Intl.

What are the most popular airlines that fly from Ontario to Asia?

Consider China Airlines, STARLUX Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from Ontario to Asia.

What airport do you fly from for flights from Ontario to Asia?

If you book a flight to Asia from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Can I find deals for flights from Ontario to Asia that include hotel bookings?

Yes. In addition to deals on Ontario to Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Asia.

Can I find deals for business class flights from Ontario to Asia?

Yes. Cheapflights offers flight deals from Ontario to Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$297+ Flights from Ontario to Asia

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Cheap flight deals from Ontario to Asia

Cheapest flights from Ontario to Asia
Explore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Thu 12/2510:42 amONT - SGN

2 stops44h 08mUnited Airlines

Tue 1/611:05 pmSGN - ONT

2 stops33h 38mUnited Airlines

Deal found 12/22

$720

Wed 12/316:38 amONT - SGN

2 stops39h 12mKorean Air

Wed 1/2111:50 pmSGN - ONT

2 stops29h 06mKorean Air

Deal found 12/22

$743

Tue 12/3010:42 amONT - SGN

2 stops45h 13mUnited Airlines

Wed 1/76:00 amSGN - ONT

2 stops20h 18mUnited Airlines

Deal found 12/22

$748

Wed 12/3110:42 amONT - MNL

1 stop28h 08mUnited Airlines

Sun 1/189:55 amMNL - ONT

1 stop17h 23mUnited Airlines

Deal found 12/21

$781

Wed 12/315:05 amONT - TPE

2 stops46h 45mUnited Airlines

Sat 1/1011:00 amTPE - ONT

3 stops46h 43mUnited Airlines

Deal found 12/21

$807

Wed 12/316:00 amONT - TPE

2 stops47h 05mDelta

Mon 1/1910:55 amTPE - ONT

2 stops41h 21mDelta

Deal found 12/21

$812

Wed 12/316:00 amONT - TPE

2 stops47h 05mDelta

Tue 1/207:25 pmTPE - ONT

2 stops43h 26mDelta

Deal found 12/21

$813

Wed 12/315:05 amONT - TPE

2 stops46h 45mUnited Airlines

Mon 1/1911:10 amTPE - ONT

1 stop16h 08mUnited Airlines

Deal found 12/21

$860

Tue 12/306:39 pmONT - BKK

2 stops49h 46mUnited Airlines

Wed 1/214:55 pmBKK - ONT

2 stops20h 58mUnited Airlines

Deal found 12/22

$865

Wed 12/315:05 amONT - TPE

2 stops46h 45mUnited Airlines

Fri 1/163:50 pmTPE - ONT

1 stop36h 27mUnited Airlines

Deal found 12/21

$866

Tue 12/306:38 amONT - SGN

2 stops25h 42mDelta

Tue 1/278:00 amSGN - ONT

2 stops29h 51mDelta

Deal found 12/22

$869

Tue 12/305:49 pmONT - SGN

2 stops37h 36mDelta

Tue 2/311:50 pmSGN - ONT

2 stops37h 54mDelta

Deal found 12/21

$874

Best flights from Ontario to Asia
Discover carefully curated flight deals from Ontario to Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Thu 1/87:30 amONT - TPE

1 stop21h 35mDelta

Mon 1/2610:55 amTPE - ONT

1 stop27h 56mDelta

Deal found 12/21

$648

Thu 4/1612:10 amONT - TPE

Nonstop14h 05mChina Airlines

Sun 5/249:10 pmTPE - ONT

Nonstop11h 50mChina Airlines

Deal found 12/21

$697

Wed 2/48:13 amONT - HND

1 stop18h 17mMultiple Airlines

Fri 2/139:20 pmHND - ONT

1 stop17h 55mMultiple Airlines

Deal found 12/22

$729

Wed 3/46:09 amONT - SGN

2 stops24h 41mUnited Airlines

Wed 3/186:00 amSGN - ONT

2 stops30h 57mUnited Airlines

Deal found 12/22

$730

Thu 1/226:00 amONT - NRT

1 stop16h 40mJapan Airlines

Thu 1/296:10 pmNRT - ONT

1 stop13h 58mJapan Airlines

Deal found 12/22

$804

Mon 2/99:45 pmONT - NRT

1 stop21h 50mSTARLUX Airlines

Wed 2/181:45 pmNRT - ONT

1 stop19h 05mSTARLUX Airlines

Deal found 12/22

$968

Mon 2/27:30 amONT - DEL

2 stops36h 00mVirgin Atlantic

Fri 3/65:00 amDEL - ONT

2 stops31h 07mVirgin Atlantic

Deal found 12/20

$1,038

Thu 4/236:00 amONT - DAC

2 stops31h 40mQatar Airways

Thu 5/74:10 amDAC - ONT

2 stops31h 28mQatar Airways

Deal found 12/21

$1,174

Sat 1/103:30 pmONT - TPE

1 stop37h 35mDelta

Mon 1/2610:55 amTPE - ONT

1 stop27h 56mDelta

Deal found 12/21

$654

Tue 2/1010:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Wed 2/259:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/22

$701

Sat 1/101:11 pmONT - TPE

2 stops39h 54mDelta

Fri 1/3010:55 amTPE - ONT

2 stops29h 03mDelta

Deal found 12/22

$657

Thu 2/196:14 amONT - NRT

1 stop16h 46mMultiple Airlines

Thu 2/266:30 pmNRT - ONT

1 stop13h 38mMultiple Airlines

Deal found 12/21

$733

Sun 4/1211:05 amONT - SGN

2 stops44h 50mUnited Airlines

Wed 4/227:00 amSGN - ONT

2 stops29h 45mUnited Airlines

Deal found 12/21

$735

Wed 1/1410:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Mon 1/269:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/22

$708

Sat 1/106:00 amONT - TPE

2 stops47h 05mDelta

Tue 1/2710:55 amTPE - ONT

2 stops21h 20mDelta

Deal found 12/22

$657

Thu 1/86:00 amONT - NRT

1 stop17h 00mMultiple Airlines

Thu 1/296:30 pmNRT - ONT

1 stop13h 38mMultiple Airlines

Deal found 12/21

$736

Tue 1/136:00 amONT - NRT

1 stop16h 00mUnited Airlines

Tue 1/205:35 pmNRT - ONT

1 stop20h 23mUnited Airlines

Deal found 12/21

$736

Sat 3/2111:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Thu 3/269:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/22

$708

Thu 4/96:00 amONT - SGN

2 stops25h 50mUnited Airlines

Thu 4/167:00 amSGN - ONT

2 stops24h 47mUnited Airlines

Deal found 12/22

$738

Tue 1/65:07 pmONT - HND

2 stops27h 58mDelta

Tue 1/204:50 pmHND - ONT

1 stop14h 06mDelta

Deal found 12/22

$691

Mon 4/2712:10 amONT - TPE

Nonstop14h 05mChina Airlines

Thu 5/79:10 pmTPE - ONT

Nonstop11h 50mChina Airlines

Deal found 12/21

$708

Thu 1/296:00 amONT - SGN

2 stops25h 55mUnited Airlines

Thu 2/126:00 amSGN - ONT

2 stops31h 57mUnited Airlines

Deal found 12/22

$738

Sun 2/226:14 amONT - NRT

1 stop16h 46mMultiple Airlines

Mon 3/26:30 pmNRT - ONT

1 stop13h 38mMultiple Airlines

Deal found 12/21

$830

Mon 1/195:10 pmONT - HND

2 stops27h 55mDelta

Wed 1/284:50 pmHND - ONT

1 stop14h 06mDelta

Deal found 12/22

$691

Sun 3/2912:10 amONT - MNL

1 stop18h 25mChina Airlines

Wed 4/294:50 pmMNL - ONT

1 stop16h 10mChina Airlines

Deal found 12/21

$724

Tue 1/206:00 amONT - SGN

2 stops25h 55mUnited Airlines

Thu 3/196:00 amSGN - ONT

2 stops30h 57mUnited Airlines

Deal found 12/22

$738

Sun 1/115:07 pmONT - HND

2 stops27h 58mDelta

Wed 1/214:50 pmHND - ONT

1 stop14h 06mDelta

Deal found 12/22

$691

Fri 2/611:53 amONT - NRT

1 stop35h 07mMultiple Airlines

Mon 2/166:30 pmNRT - ONT

1 stop22h 02mMultiple Airlines

Deal found 12/22

$844

Tue 1/2010:50 pmONT - MNL

1 stop19h 05mChina Airlines

Mon 2/164:55 pmMNL - ONT

1 stop15h 55mChina Airlines

Deal found 12/20

$724

Tue 5/1211:30 amONT - DAC

2 stops26h 10mQatar Airways

Tue 5/264:10 amDAC - ONT

2 stops31h 36mQatar Airways

Deal found 12/21

$1,187

Last-minute flights from Ontario to Asia
Discover last-minute flight deals from Ontario to Asia. Data last updated December 23, 2025 and is based on user searches.

Thu 1/87:30 amONT - TPE

1 stop21h 35mDelta

Mon 1/2610:55 amTPE - ONT

1 stop27h 56mDelta

Deal found 12/22

$648

Sat 1/103:30 pmONT - TPE

1 stop37h 35mDelta

Fri 1/3010:55 amTPE - ONT

1 stop19h 01mDelta

Deal found 12/22

$647

Sat 1/103:30 pmONT - TPE

1 stop37h 35mDelta

Wed 1/2810:55 amTPE - ONT

2 stops29h 03mDelta

Deal found 12/22

$651

Sat 1/103:30 pmONT - TPE

1 stop37h 35mDelta

Mon 1/2610:55 amTPE - ONT

1 stop27h 56mDelta

Deal found 12/22

$654

Sat 1/101:11 pmONT - TPE

2 stops39h 54mDelta

Thu 1/2910:55 amTPE - ONT

2 stops21h 20mDelta

Deal found 12/22

$657

Wed 1/1410:50 pmONT - MNL

1 stop25h 05mChina Airlines

Mon 2/910:55 amMNL - ONT

1 stop21h 55mChina Airlines

Deal found 12/21

$670

Wed 1/1410:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Wed 2/49:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/22

$672

Mon 1/191:11 pmONT - TPE

2 stops39h 54mDelta

Sun 1/2510:55 amTPE - ONT

2 stops53h 03mDelta

Deal found 12/22

$669

Tue 1/2010:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Tue 1/279:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/21

$655

Tue 1/2010:50 pmONT - MNL

1 stop19h 05mChina Airlines

Tue 1/2710:55 amMNL - ONT

1 stop21h 55mChina Airlines

Deal found 12/21

$685

Thu 1/227:30 amONT - TPE

1 stop21h 35mDelta

Sun 1/2510:55 amTPE - ONT

2 stops53h 03mDelta

Deal found 12/22

$658

Fri 1/2310:50 pmONT - TPE

Nonstop14h 40mChina Airlines

Wed 2/189:25 pmTPE - ONT

Nonstop11h 25mChina Airlines

Deal found 12/22

$682

One-way flights from Ontario to Asia
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Wed 4/86:00 amONT - BKK

2 stops25h 45mKorean Air

Deal found 12/21

$297

Mon 3/26:00 amONT - SGN

2 stops26h 20mDelta

Deal found 12/22

$312

Tue 2/37:30 amONT - BKK

2 stops24h 50mDelta

Deal found 12/22

$313

Thu 3/126:00 amONT - SGN

2 stops27h 20mKorean Air

Deal found 12/23

$314

Wed 3/256:00 amONT - BKK

2 stops25h 30mKorean Air

Deal found 12/22

$316

Sun 1/182:34 pmONT - NRT

2 stops29h 11mMultiple Airlines

Deal found 12/22

$320

Tue 2/33:30 pmONT - SGN

2 stops54h 20mDelta

Deal found 12/21

$324

Sun 3/291:20 pmONT - BKK

2 stops44h 20mDelta

Deal found 12/22

$325

Sat 1/246:00 amONT - TPE

2 stops23h 05mDelta

Deal found 12/22

$330

Tue 2/171:10 pmONT - DEL

2 stops24h 00mDelta

Deal found 12/22

$332

Wed 2/47:30 amONT - SGN

2 stops38h 20mKorean Air

Deal found 12/22

$333

Sun 3/221:20 pmONT - DEL

2 stops23h 20mKLM

Deal found 12/22

$333

Find flight deals from Ontario to Asia

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$598 (Vliegwinkel)
One-way from	$297 (SmartFares)
Popular in	December
Cheapest in	September
Average price	$1,348
Good round-trip deal	$684 or less
Good one-way deal	$413 or less

Provider with most accurate pricing for Los Angeles-Manila Ninoy Aquino Intl flight deals.

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From Ontario to Asia

Search Deals

One-way flight from Ontario to Asia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($68 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Ontario to Asia.

Search Deals

Price to beat on a one-way flight from Ontario to Asia.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

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

Sat 1/10

3:30 pm-9:05 pm

1 stop37h 35m

Taipei City Taiwan Taoyuan Intl

Mon 1/26

10:55 am-10:51 pm

1 stop27h 56m

$654

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 1/10

1:11 pm-9:05 pm

2 stops39h 54m

Taipei City Taiwan Taoyuan Intl

Fri 1/30

10:55 am-11:58 pm

2 stops29h 03m

$657

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 1/10

6:00 am-9:05 pm

2 stops47h 05m

Taipei City Taiwan Taoyuan Intl

Tue 1/27

10:55 am-4:15 pm

2 stops21h 20m

$657

OntarioTokyo

ONT - HND

ONTHND

Ontario

Tue 1/6

5:07 pm-2:05 pm

2 stops27h 58m

Tokyo Haneda

Tue 1/20

4:50 pm-1:56 pm

1 stop14h 06m

$691

OntarioTokyo

ONT - HND

ONTHND

Ontario

Mon 1/19

5:10 pm-2:05 pm

2 stops27h 55m

Tokyo Haneda

Wed 1/28

4:50 pm-1:56 pm

1 stop14h 06m

$691

OntarioTokyo

ONT - HND

ONTHND

Ontario

Sun 1/11

5:07 pm-2:05 pm

2 stops27h 58m

Tokyo Haneda

Wed 1/21

4:50 pm-1:56 pm

1 stop14h 06m

$691

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 4/16

12:10 am-5:15 am

Nonstop14h 05m

Taipei City Taiwan Taoyuan Intl

Sun 5/24

9:10 pm-6:00 pm

Nonstop11h 50m

$697

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 2/10

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Wed 2/25

9:25 pm-4:50 pm

Nonstop11h 25m

$701

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 1/14

10:50 pm-5:30 am

Nonstop14h 40m

Taipei City Taiwan Taoyuan Intl

Mon 1/26

9:25 pm-4:50 pm

Nonstop11h 25m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 60 results

...

Best time to book a flight from Ontario to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Asia

What is the cheapest month to book a flight from Ontario to Asia?

Currently, February is the cheapest month in which you can book a flight from Ontario to Asia (average of $354). Flying from Ontario to Asia in June is currently the most expensive (average of $531). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to AS?

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Ontario to Asia by exploring options for tickets in the evening.

What is the cheapest day to fly from Ontario to Asia?

Travelers seeking maximum savings on their Ontario to Asia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Asia

Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and China Airlines from Ontario to Asia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very good

248 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Korean Air

8.4

Very good

1,185 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

China Airlines

8.3

Very good

792 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Delta

7.9

Good

8,015 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

United Airlines

7.4

Good

9,109 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

What airport do you fly from for flights from Ontario to Asia?
If you book a flight to Asia from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
How long is the flight from Ontario to Asia?
Delta, China Airlines, and United Airlines can get you from Ontario to Asia in just under 18h 25m. Your travel time can differ by up to 6h 16m. Airlines will cover a distance of 7327 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Ontario to Asia one-way?
$342 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and Korean Air, with prices starting from $356 and $363, respectively.
What are the most popular routes from Ontario to Asia?
The most popular route from Ontario to Asia is Ontario - Tokyo Narita. You may also consider Ontario - Tokyo Haneda or Ontario - Taipei City Taiwan Taoyuan Intl.
Can I find deals for flights from Ontario to Asia that include hotel bookings?
Yes. In addition to deals on Ontario to Asia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Asia.
Can I find deals for business class flights from Ontario to Asia?
Yes. Cheapflights offers flight deals from Ontario to Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Asia?
Currently, February is the cheapest month in which you can book a flight from Ontario to Asia (average of $354). Flying from Ontario to Asia in June is currently the most expensive (average of $531). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Ontario to Asia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$486	Average$1,038	FlexibilityNo cancel fee	On-time69%
Korean Air	Cheapest$637	Average$950	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$647	Average$728	FlexibilityNo cancel fee	On-time76%
China Airlines	Cheapest$648	Average$989	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$655	Average$947	FlexibilityNo cancel fee	On-timeN/A
STARLUX Airlines	Cheapest$655	Average$1,170	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$712	Average$974	FlexibilityNo cancel fee	On-time71%
Philippine Airlines	Cheapest$754	Average$956	FlexibilityNo cancel fee	On-time60%
Hawaiian Airlines	Cheapest$892	Average$1,437	FlexibilityNo cancel fee	On-time85%
Cathay Pacific	Cheapest$928	Average$1,216	FlexibilityNo cancel fee	On-time72%

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$297+ Cheap flights from Ontario (ONT) to Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Asia with Cheapflights

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Cheap flight deals from Ontario to Asia

Cheapest flights from Ontario to AsiaExplore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Ontario to Asia

Keep the following information in mind while searching for Ontario to Asia flight deals. Data was last updated December 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Asia

What is the cheapest month to book a flight from Ontario to Asia?

What is the cheapest time of day to fly from ONT to AS?

Find hourly flight availability from Ontario to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

What is the cheapest day to fly from Ontario to Asia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Asia. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Asia

Get insights into the airlines that provide service to Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Asia. Reviews last updated December 23, 2025.

Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and China Airlines from Ontario to Asia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to Asia?

How long is the flight from Ontario to Asia?

What are the cheapest airlines to fly from Ontario to Asia one-way?

What are the most popular routes from Ontario to Asia?

Can I find deals for flights from Ontario to Asia that include hotel bookings?

How can I find direct flights from Ontario to Asia?

Can I find deals for business class flights from Ontario to Asia?

What is the cheapest month to book a flight from Ontario to Asia?

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Alternative routes for Ontario to Asia

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Top 10 airlines flying from Ontario to Asia

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Cheapest flights from Ontario to Asia
Explore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.