$244+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ONT
may. 6 — may. 131
1 adult, Economy
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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
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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 Asia to Ontario
Keep the following information in mind while searching for Asia to Ontario flight deals. Data was last updated mayo 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $495 (United Airlines) |
One-way from | $244 (Vakatrip) |
Popular in | July |
Cheapest in | March |
Average price | $849 |
Good round-trip deal | $889 or less |
Good one-way deal | $545 or less |
Find flight deals from Asia to Ontario
Cheapest flights from Asia to OntarioExplore 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 mayo 1, 2025.
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 mayo 1, 2025.
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 6/44:50 pmICN - ONT
1 stop16h 49mUnited Airlines
mar. 10/281:00 pmONT - ICN
2 stops23h 40mUnited Airlines
Deal found 4/30![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 4/29. 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. 9/89:50 amTPE - ONT
1 stop17h 23mUnited Airlines
mar. 9/306:30 pmONT - TPE
1 stop18h 35mUnited Airlines
Deal found 4/29![United Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
mié. 5/214:40 pmICN - ONT
1 stop15h 10mMultiple Airlines
dom. 6/16:00 amONT - ICN
1 stop18h 40mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$747
This oojo deal was found by Cheapflights users on 4/30. 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.
mar. 6/104:50 pmMNL - ONT
1 stop16h 10mChina Airlines
lun. 7/2112:45 amONT - MNL
1 stop17h 50mChina Airlines
Deal found 4/30![China Airlines logo]()
$758
This China Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 10/125:30 pmSGN - ONT
1 stop38h 30mChina Airlines
dom. 11/1610:45 pmONT - SGN
1 stop27h 05mChina Airlines
Deal found 4/29![China Airlines logo]()
$770
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:25 pmSGN - ONT
1 stop37h 15mSTARLUX Airlines
lun. 7/2811:45 pmONT - SGN
1 stop27h 30mSTARLUX Airlines
Deal found 4/28![STARLUX Airlines logo]()
$773
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/411:20 amHKG - ONT
1 stop20h 45mSTARLUX Airlines
mié. 7/911:45 pmONT - HKG
1 stop19h 10mSTARLUX Airlines
Deal found 4/30![STARLUX Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 4/29. 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. 8/263:50 pmHND - ONT
1 stop20h 43mUnited Airlines
mar. 9/96:00 amONT - HND
1 stop15h 55mUnited Airlines
Deal found 4/29![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 10/2411:15 amHKG - ONT
1 stop15h 58mUnited Airlines
vie. 10/246:30 pmONT - HKG
1 stop33h 50mUnited Airlines
Deal found 4/30![United Airlines logo]()
$835
This Gotogate deal was found by Cheapflights users on 4/29. 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.
mié. 9/1712:35 pmICN - ONT
1 stop21h 25mChina Airlines
dom. 9/2112:10 amONT - ICN
1 stop27h 25mChina Airlines
Deal found 4/29![China Airlines logo]()
$856
This LionTravel deal was found by Cheapflights users on 4/29. 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 LionTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/29:10 pmTPE - ONT
Nonstop12h 30mChina Airlines
jue. 9/1112:45 amONT - TPE
Nonstop13h 30mChina Airlines
Deal found 4/29![China Airlines logo]()
$856
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/99:25 pmICN - ONT
1 stop16h 25mAlaska Airlines
mar. 5/279:50 amONT - ICN
1 stop17h 10mAlaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$858
Cheapflights Fare Finder
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 mayo 1, 2025.
Use the filters below to find and compare flights from Asia to Ontario that are best for you.
Fly from
Asia
Fly to
Ontario
Route
Depart
Return
Price
IncheonOntario
ICN - ONT
ICNONT
Incheon Intl
mar. 5/27
4:50 pm-5:39 pm
1 stop16h 49m
Ontario
mar. 10/28
1:00 pm-4:40 am
2 stops23h 40m
$483
Taipei CityOntario
TPE - ONT
TPEONT
Taipei City Taiwan Taoyuan Intl
lun. 9/8
2:15 pm-5:37 pm
1 stop18h 22m
Ontario
mié. 10/1
9:35 am-6:45 pm
1 stop18h 10m
$688
IncheonOntario
ICN - ONT
ICNONT
Incheon Intl
mié. 5/28
6:20 pm-6:25 pm
1 stop16h 05m
Ontario
mié. 10/29
6:00 am-5:45 pm
1 stop19h 45m
$714
ManilaOntario
MNL - ONT
MNLONT
Manila Ninoy Aquino Intl
mar. 6/10
4:50 pm-6:00 pm
1 stop16h 10m
Ontario
lun. 7/21
12:45 am-9:35 am
1 stop17h 50m
$758
Ho Chi Minh CityOntario
SGN - ONT
SGNONT
Ho Chi Minh City
mar. 7/8
6:25 pm-5:40 pm
1 stop37h 15m
Ontario
lun. 7/28
11:45 pm-5:15 pm
1 stop27h 30m
$767
Hong KongOntario
HKG - ONT
HKGONT
Hong Kong Intl
mié. 6/4
11:20 am-5:05 pm
1 stop20h 45m
Ontario
mié. 7/9
11:45 pm-9:55 am
1 stop19h 10m
$774
Ho Chi Minh CityOntario
SGN - ONT
SGNONT
Ho Chi Minh City
mié. 10/1
5:30 pm-6:00 pm
1 stop38h 30m
Ontario
mié. 10/29
11:45 pm-4:50 pm
1 stop27h 05m
$776
TokyoOntario
HND - ONT
HNDONT
Tokyo Haneda
mar. 8/26
3:50 pm-8:33 pm
1 stop20h 43m
Ontario
mar. 9/9
6:00 am-1:55 pm
1 stop15h 55m
$825
Hong KongOntario
HKG - ONT
HKGONT
Hong Kong Intl
vie. 10/24
11:15 am-12:13 pm
1 stop15h 58m
Ontario
vie. 10/24
6:30 pm-7:20 pm
1 stop33h 50m
$835
Taipei CityOntario
TPE - ONT
TPEONT
Taipei City Taiwan Taoyuan Intl
mar. 9/2
9:10 pm-6:40 pm
Nonstop12h 30m
Ontario
jue. 9/11
12:45 am-5:15 am
Nonstop13h 30m
$856
Showing 1-10 of 60 results
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.
Cheapflights Insights
Everything you need to know about your flight from Asia to Ontario
What is the cheapest month to book a flight from Asia to Ontario?
Currently, August is the cheapest month in which you can book a flight from Asia to Ontario (average of $246). Flying from Asia to Ontario in March is currently the most expensive (average of $328). 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 mayo 1, 2025.
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 mayo 1, 2025.
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
Overall
9.1
Boarding
9.0
Entertainment
9.0
Comfort
9.0
Food
8.9
Crew
9.3
Reviews
1 / 6
10.0
ExcellentAnonymous,Apr 2025
KIX - TPE
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 mayo 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$596 | Average$755 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$735 | Average$972 | FlexibilityNo cancel fee | On-time70% |