HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Asia

$357+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ICN
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Asia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Asia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Asia (AS0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find 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 noviembre 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/35:40 amONT - HND
1 stop16h 40mDelta
mar. 12/104:50 pmHND - ONT
1 stop22h 52mDelta
Deal found 11/19$779
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/112:59 amONT - HND
1 stop24h 26mAmerican Airlines
mar. 12/106:00 pmHND - ONT
1 stop21h 13mAmerican Airlines
Deal found 11/19$797
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/112:59 amONT - NRT
1 stop21h 31mAmerican Airlines
mar. 12/105:30 pmNRT - ONT
1 stop18h 08mAmerican Airlines
Deal found 11/19$798
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/87:05 amONT - ICN
1 stop20h 25mMultiple Airlines
lun. 12/166:55 pmICN - ONT
2 stops58h 44mMultiple Airlines
Deal found 11/19$812
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/306:00 amONT - HND
1 stop15h 50mUnited Airlines
dom. 1/264:25 pmHND - ONT
1 stop18h 32mUnited Airlines
Deal found 11/20$826
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/295:05 amONT - NRT
1 stop17h 40mUnited Airlines
mar. 1/145:45 pmNRT - ONT
1 stop21h 12mUnited Airlines
Deal found 11/19$827
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/26:52 pmONT - NRT
1 stop32h 03mMultiple Airlines
dom. 12/89:25 pmNRT - ONT
1 stop18h 58mMultiple Airlines
Deal found 11/19$831
This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2410:45 pmONT - MNL
1 stop19h 10mChina Airlines
lun. 4/74:45 pmMNL - ONT
1 stop16h 20mChina Airlines
Deal found 11/19$835
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/106:00 amONT - KIX
1 stop17h 35mUnited Airlines
mié. 12/186:30 pmKIX - ONT
1 stop16h 13mUnited Airlines
Deal found 11/19$838
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/246:00 amONT - TPE
1 stop21h 50mUnited Airlines
mar. 12/103:50 pmTPE - ONT
1 stop14h 43mUnited Airlines
Deal found 11/19$847
This ScholarTrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/265:40 amONT - SGN
2 stops25h 35mKorean Air
mar. 12/32:05 pmSGN - ONT
2 stops41h 40mKorean Air
Deal found 11/19$898
This oojo deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2410:45 pmONT - SGN
1 stop27h 05mChina Airlines
dom. 12/85:50 pmSGN - ONT
1 stop38h 00mChina Airlines
Deal found 11/18$911

Find flights from Ontario to Asia within your budget

Customize your flight search to find flights from Ontario to Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

vie. 1/24

6:00 am-7:55 pm

1 stop20h 55m

Tokyo Narita

vie. 1/31

9:25 pm-11:31 pm

1 stop19h 06m

$679

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

mar. 3/4

4:25 pm-3:40 pm

2 stops30h 15m

Tokyo Narita

vie. 5/16

5:20 pm-7:57 pm

2 stops18h 37m

$771

OntarioTokyo

ONT - HND

ONTHND

Ontario

mar. 12/10

5:50 am-3:20 pm

1 stop16h 30m

Tokyo Haneda

mié. 12/25

4:50 pm-8:15 pm

1 stop20h 25m

$779

OntarioTokyo

ONT - HND

ONTHND

Ontario

mié. 4/30

6:42 am-3:55 pm

1 stop17h 13m

Tokyo Haneda

mar. 5/27

5:00 pm-5:47 pm

2 stops16h 47m

$781

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

mar. 3/4

4:25 pm-6:50 pm

2 stops33h 25m

Osaka Kansai Intl

jue. 3/13

5:50 pm-11:51 pm

2 stops22h 01m

$782

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

dom. 2/9

6:00 am-3:40 pm

1 stop16h 40m

Tokyo Narita

mié. 2/26

6:10 pm-9:27 pm

1 stop20h 17m

$785

OntarioManila

ONT - MNL

ONTMNL

Ontario

mié. 3/5

10:45 pm-9:55 am

1 stop19h 10m

Manila Ninoy Aquino Intl

lun. 3/10

10:55 am-5:50 pm

1 stop21h 55m

$786

OntarioTokyo

ONT - HND

ONTHND

Ontario

sáb. 2/15

5:44 pm-5:20 pm

2 stops30h 36m

Tokyo Haneda

lun. 3/3

5:30 pm-11:58 pm

2 stops23h 28m

$788

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

sáb. 1/11

6:00 am-9:05 pm

2 stops47h 05m

Taipei City Taiwan Taoyuan Intl

dom. 2/2

10:45 am-12:26 pm

2 stops41h 41m

$790

OntarioIncheon

ONT - ICN

ONTICN

Ontario

dom. 12/8

7:05 am-8:30 pm

1 stop20h 25m

Incheon Intl

lun. 12/16

6:55 pm-12:39 pm

2 stops58h 44m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from Ontario to Asia

Get recent, data-driven insights about flights from Ontario to Asia including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Asia (average of $1,102). Flying from Ontario to Asia in June is currently the most expensive (average of $1,708). 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?

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 noviembre 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Asia as you normally would.

Rainfall in Asia by month

Plan your trip to Asia by taking into account the average rainfall totals by month.

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.

Temperature in Asia by month

Plan your trip to Asia by taking into account the average temperature totals by month.

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).

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 noviembre 20, 2024.
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
778 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,756 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Hawaiian Airlines
7.9
Good
2,287 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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?

    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.

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

    $395 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on Delta and China Airlines, with prices starting from $415 and $423, 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 - Manila Ninoy Aquino 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, October is the cheapest month in which you can book a flight from Ontario to Asia (average of $1,102). Flying from Ontario to Asia in June is currently the most expensive (average of $1,708). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Asia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Haneda flights
Los Angeles to Honolulu flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
Los Angeles to Cancún flights
Los Angeles to Narita flights
Los Angeles to Miami flights
Los Angeles to Mexico City flights
Los Angeles to San Francisco flights
San Francisco to Newark flights
Los Angeles to O'Hare Intl flights
Los Angeles to Manila flights
Los Angeles to Orlando flights
San Francisco to Los Angeles flights
San Francisco to Seattle flights
San Francisco to Las Vegas flights
San Francisco to Haneda flights
Los Angeles to Las Vegas flights
Los Angeles to Fort Lauderdale flights
San Francisco to Cancún flights
San Francisco to LaGuardia flights
Santa Ana to Las Vegas flights
Santa Ana to Newark flights
Los Angeles to Boston flights
San Francisco to Honolulu flights
Burbank to Las Vegas flights
Los Angeles to Heathrow flights
Ontario to Dallas/Fort Worth flights
San Francisco to New Delhi flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Suvarnabhumi flights
Los Angeles to San Jose flights
Los Angeles to Hobby flights
San Jose to Las Vegas flights
San Diego to John F Kennedy Intl flights
San Francisco to Manila flights
San Jose to Los Angeles flights
Los Angeles to Reagan-National flights
Los Angeles to Oakland flights
Los Angeles to Dulles Intl flights
Oakland to Los Angeles flights
Los Angeles to George Bush Intcntl flights
San Francisco to Mexico City flights
Los Angeles to Charles de Gaulle flights
Los Angeles to Portland flights
San Francisco to Miami flights

Top 10 airlines flying from Ontario to Asia

Discover the top 10 airlines that operate flights from Ontario to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
ZIPAIRCheapest$624Average$770FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$684Average$891FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$710Average$914FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$736Average$1,063FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$746Average$1,052FlexibilityNo cancel feeOn-time70%
DeltaCheapest$775Average$1,036FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$780Average$1,296FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$785Average$1,028FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$795Average$1,495FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$807Average$1,022FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines