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Ontario

$326+ Cheap flights from Asia to Ontario (ONT)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Asia to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Asia (AS0) to Ontario (ONT). 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 December 18, 2024.

Round-trip from

$606
(Delta)

One-way from

$326
(Trip.com)
From Asia to Ontario
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One-way flight from Asia to Ontario
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Find flight deals from Asia to Ontario

Cheapest flights from Asia to Ontario
Explore the most affordable flight options available from Asia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/2412:45 pmICN - ONT
1 stop22h 08mUnited Airlines
Tue 12/316:00 amONT - ICN
1 stop30h 40mUnited Airlines
Deal found 12/17$689
This Hawaiian Airlines deal was found by Cheapflights users on 12/17. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:25 pmICN - ONT
1 stop17h 45mHawaiian Airlines
Wed 2/269:45 amONT - ICN
1 stop40h 40mHawaiian Airlines
Deal found 12/17$760
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/2611:10 amTPE - ONT
1 stop14h 48mUnited Airlines
Tue 1/1410:47 amONT - TPE
1 stop17h 03mUnited Airlines
Deal found 12/17$776
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2310:30 amHKG - ONT
1 stop23h 23mUnited Airlines
Sun 1/56:00 amONT - HKG
1 stop21h 20mUnited Airlines
Deal found 12/17$843
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:50 amHKG - ONT
1 stop25h 00mChina Airlines
Sun 12/2910:45 pmONT - HKG
1 stop18h 30mChina Airlines
Deal found 12/17$859
This China Airlines deal was found by Cheapflights users on 12/18. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Tue 12/3110:45 pmONT - TPE
Nonstop14h 45mChina Airlines
Deal found 12/18$911
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:55 amMNL - ONT
1 stop21h 55mChina Airlines
Sat 2/810:45 pmONT - MNL
1 stop25h 10mChina Airlines
Deal found 12/18$963
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:10 amBKK - ONT
2 stops25h 43mUnited Airlines
Tue 1/76:15 amONT - BKK
2 stops31h 55mUnited Airlines
Deal found 12/18$976
This China Airlines deal was found by Cheapflights users on 12/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:25 pmTPE - ONT
Nonstop11h 25mMultiple Airlines
Mon 6/26:55 pmONT - TPE
1 stop19h 10mMultiple Airlines
Deal found 12/16$1,026
This Hawaiian Airlines deal was found by Cheapflights users on 12/17. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:05 pmHND - ONT
1 stop19h 05mHawaiian Airlines
Thu 1/169:35 amONT - HND
1 stop16h 55mHawaiian Airlines
Deal found 12/17$1,038
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/245:30 pmNRT - ONT
1 stop18h 03mAmerican Airlines
Sat 12/2811:59 pmONT - NRT
1 stop22h 31mAmerican Airlines
Deal found 12/17$1,048
This China Airlines deal was found by Cheapflights users on 12/17. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:25 pmICN - ONT
1 stop21h 25mChina Airlines
Tue 2/1810:45 pmONT - ICN
1 stop27h 30mChina Airlines
Deal found 12/17$1,082

Find flights from Asia to Ontario within your budget

Customize your flight search to find flights from Asia to Ontario 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 1/23

4:50 pm-3:25 pm

1 stop15h 35m

Ontario

Wed 2/5

6:00 am-3:20 pm

1 stop16h 20m

$606

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Mon 2/17

4:25 pm-8:40 pm

1 stop21h 15m

Ontario

Sat 2/22

3:30 pm-2:50 pm

1 stop30h 20m

$678

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Mon 2/17

4:50 pm-6:31 pm

1 stop18h 41m

Ontario

Sat 2/22

3:30 pm-3:00 pm

1 stop30h 30m

$679

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 1/30

12:45 pm-9:51 am

1 stop14h 06m

Ontario

Wed 2/12

6:15 am-4:15 pm

1 stop17h 00m

$688

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 1/23

6:00 pm-6:37 pm

1 stop17h 37m

Ontario

Wed 2/5

7:00 am-6:25 pm

1 stop18h 25m

$709

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sun 2/23

6:55 pm-7:26 am

2 stops29h 31m

Ontario

Sun 3/16

8:26 am-8:30 pm

1 stop20h 04m

$714

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 1/30

6:50 pm-9:58 pm

2 stops20h 08m

Ontario

Thu 1/30

11:59 pm-4:45 pm

1 stop23h 46m

$740

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Mon 2/3

3:50 pm-8:51 pm

2 stops21h 01m

Ontario

Sun 2/9

1:45 pm-7:50 pm

2 stops38h 05m

$776

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Sun 4/27

4:50 pm-6:00 pm

1 stop16h 10m

Ontario

Mon 10/6

12:10 am-9:35 am

1 stop18h 25m

$778

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Mon 2/3

11:10 am-9:51 am

1 stop14h 41m

Ontario

Sun 2/16

7:40 pm-5:45 am

1 stop18h 05m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 60 results
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Best time to book a flight from Asia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Asia 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 Asia to Ontario

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

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

Currently, September is the cheapest month in which you can book a flight from Asia to Ontario (average of $236). Flying from Asia to Ontario in December is currently the most expensive (average of $298). 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 AS to ONT?

Find hourly flight availability from Asia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 18, 2024.
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,018 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,443 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,604 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Hawaiian Airlines
7.9
Good
2,296 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Asia to Ontario. 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 into for flights to Ontario from Asia?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Asia.

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

    $412 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $424 and $425, respectively.

  • What are the most popular routes from Asia to Ontario?

    When deciding which route to take from Asia to Ontario consider Manila Ninoy Aquino Intl - Ontario, Taipei City Taiwan Taoyuan Intl - Ontario or Tokyo Narita - Ontario as they are the most popular.

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

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

  • How can I find direct flights from Asia to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Asia to Ontario 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 Asia to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Asia to Ontario (average of $236). Flying from Asia to Ontario in December is currently the most expensive (average of $298). 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

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Alternative routes for Asia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Asia to Ontario

Discover the top 2 airlines that operate flights from Asia to Ontario. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$674Average$785FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$747Average$995FlexibilityNo cancel feeOn-time70%
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