$404+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Jul 1 — Jul 81
Round-trip
1 adult, Economy
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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
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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 June 1, 2026.
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 June 1, 2026.
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am
ONT
- TPE
2 stops41h 45m
Multiple Airlines
Thu 11/1212:55 pm
TPE
- ONT
2 stops25h 59m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$829
This lol.travel deal was found by Cheapflights users on 5/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Mon 7/279:50 am
BKK
- ONT
2 stops45h 31m
Korean Air
Deal found 5/27![Korean Air logo]()
$831
This Jetabroad deal was found by Cheapflights users on 5/31. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Mon 7/2711:30 pm
BKK
- ONT
2 stops31h 51m
Korean Air
Deal found 5/31![Korean Air logo]()
$870
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:45 am
ONT
- TPE
1 stop17h 10m
Delta
Wed 9/29:35 am
TPE
- ONT
1 stop22h 46m
Delta
Deal found 5/29![Delta logo]()
$871
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ONT
- BKK
2 stops25h 45m
Delta
Wed 9/309:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 5/28![Delta logo]()
$890
This Korean Air deal was found by Cheapflights users on 5/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Tue 8/189:40 pm
BKK
- ONT
2 stops33h 41m
Korean Air
Deal found 5/27![Korean Air logo]()
$895
This Delta deal was found by Cheapflights users on 5/31. 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.
Sun 8/3012:55 pm
ONT
- BKK
2 stops44h 40m
Delta
Mon 9/72:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 5/31![Delta logo]()
$896
This Bravofly deal was found by Cheapflights users on 5/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Sun 10/49:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 5/29![China Airlines logo]()
$898
This oojo deal was found by Cheapflights users on 5/27. 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.
Thu 10/226:00 am
ONT
- TPE
2 stops37h 25m
Multiple Airlines
Fri 11/612:55 pm
TPE
- ONT
2 stops25h 59m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$899
This SmartFares deal was found by Cheapflights users on 5/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Mon 11/1611:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 5/28![Korean Air logo]()
$899
This Bravofly deal was found by Cheapflights users on 5/28. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sun 3/79:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 5/28![China Airlines logo]()
$904
This Travelocity deal was found by Cheapflights users on 5/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:02 am
ONT
- TPE
2 stops26h 18m
Multiple Airlines
Wed 9/309:00 am
TPE
- ONT
2 stops25h 03m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$908
Best flights from Ontario to AsiaDiscover 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 June 1, 2026.
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 June 1, 2026.
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
ONT
- BKK
2 stops24h 45m
Delta
Thu 10/159:50 am
BKK
- ONT
2 stops21h 27m
Delta
Deal found 5/30![Delta logo]()
$890
This Korean Air deal was found by Cheapflights users on 5/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Tue 8/189:40 pm
BKK
- ONT
2 stops33h 41m
Korean Air
Deal found 5/27![Korean Air logo]()
$895
This China Airlines deal was found by Cheapflights users on 5/29. 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.
Mon 11/167:10 pm
ONT
- TPE
1 stop18h 10m
Multiple Airlines
Mon 11/239:25 pm
TPE
- ONT
Nonstop11h 25m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$996
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 9/299:39 am
ONT
- BKK
2 stops24h 16m
United Airlines
Wed 11/184:55 pm
BKK
- ONT
2 stops21h 11m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,017
This China Airlines deal was found by Cheapflights users on 5/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:50 pm
ONT
- SGN
1 stop20h 10m
China Airlines
Sun 12/1311:00 am
SGN
- ONT
1 stop20h 50m
China Airlines
Deal found 5/30![China Airlines logo]()
$1,080
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
Thu 7/166:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sun 7/197:35 pm
ICN
- ONT
1 stop36h 55m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$1,127
This Qatar Airways deal was found by Cheapflights users on 5/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:12 pm
ONT
- ICN
2 stops36h 53m
Qatar Airways
Fri 11/1312:20 am
ICN
- ONT
2 stops35h 08m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,251
This Etihad Airways deal was found by Cheapflights users on 5/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:50 pm
ONT
- NRT
2 stops44h 55m
Etihad Airways
Tue 7/216:00 pm
NRT
- ONT
2 stops44h 35m
Etihad Airways
Deal found 5/30![Etihad Airways logo]()
$1,647
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 9/146:20 am
ONT
- BKK
2 stops25h 25m
Delta
Thu 10/19:50 am
BKK
- ONT
2 stops21h 30m
Delta
Deal found 5/26![Delta logo]()
$890
This Korean Air deal was found by Cheapflights users on 5/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Sun 12/611:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 5/29![Korean Air logo]()
$957
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:00 am
ONT
- BKK
2 stops24h 45m
Delta
Tue 10/279:40 am
BKK
- ONT
2 stops21h 37m
Delta
Deal found 5/30![Delta logo]()
$921
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Fri 11/61:33 pm
ONT
- TPE
1 stop24h 12m
United Airlines
Wed 11/2511:10 am
TPE
- ONT
2 stops25h 10m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,027
This Delta deal was found by Cheapflights users on 5/27. 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.
Sat 10/315:50 pm
ONT
- TPE
1 stop35h 40m
Delta
Sat 11/1410:55 am
TPE
- ONT
1 stop22h 22m
Delta
Deal found 5/27![Delta logo]()
$927
This China Airlines deal was found by Cheapflights users on 5/27. 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.
Sat 10/3111:50 pm
ONT
- MNL
1 stop19h 05m
China Airlines
Mon 3/294:50 pm
MNL
- ONT
1 stop16h 10m
China Airlines
Deal found 5/27![China Airlines logo]()
$1,126
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 7/82:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Sun 7/197:35 pm
ICN
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$1,127
This Korean Air deal was found by Cheapflights users on 5/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:20 am
ONT
- BKK
2 stops28h 45m
Korean Air
Fri 7/242:35 am
BKK
- ONT
2 stops28h 46m
Korean Air
Deal found 5/26![Korean Air logo]()
$1,032
This United Airlines deal was found by Cheapflights users on 5/31. 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 9/16:00 am
ONT
- SGN
3 stops26h 05m
United Airlines
Tue 10/67:00 am
SGN
- ONT
2 stops22h 22m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,074
This Delta deal was found by Cheapflights users on 5/31. 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.
Wed 10/217:00 am
ONT
- TPE
1 stop21h 55m
Delta
Wed 10/289:55 am
TPE
- ONT
1 stop22h 22m
Delta
Deal found 5/31![Delta logo]()
$937
This Korean Air deal was found by Cheapflights users on 5/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:20 am
ONT
- TPE
2 stops38h 50m
Korean Air
Sun 7/126:55 pm
TPE
- ONT
2 stops37h 26m
Korean Air
Deal found 5/31![Korean Air logo]()
$1,040
This China Airlines deal was found by Cheapflights users on 5/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 10/215:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 5/28![China Airlines logo]()
$1,154
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Fri 11/276:00 am
ONT
- SGN
2 stops27h 15m
United Airlines
Fri 12/117:30 am
SGN
- ONT
2 stops22h 57m
United Airlines
Deal found 5/27![United Airlines logo]()
$1,093
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Wed 9/236:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sun 11/88:00 pm
ICN
- ONT
1 stop19h 54m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$1,206
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Sun 9/276:02 am
ONT
- NRT
1 stop17h 58m
Multiple Airlines
Tue 10/66:00 pm
NRT
- ONT
1 stop16h 00m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,329
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
ONT
- TPE
2 stops22h 55m
Delta
Mon 8/319:30 am
TPE
- ONT
2 stops17h 35m
Delta
Deal found 5/30![Delta logo]()
$942
This Qatar Airways deal was found by Cheapflights users on 5/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am
ONT
- ICN
2 stops43h 05m
Qatar Airways
Fri 11/612:20 am
ICN
- ONT
2 stops39h 34m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,390
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 7/286:00 am
ONT
- MNL
1 stop22h 00m
United Airlines
Mon 8/319:20 pm
MNL
- ONT
1 stop16h 39m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,106
This Korean Air deal was found by Cheapflights users on 5/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:20 am
ONT
- SGN
2 stops40h 15m
Korean Air
Thu 7/167:30 am
SGN
- ONT
2 stops23h 51m
Korean Air
Deal found 5/31![Korean Air logo]()
$1,111
This Turkish Airlines deal was found by Cheapflights users on 5/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:10 pm
ONT
- DAC
2 stops43h 05m
Multiple Airlines
Mon 10/126:50 am
DAC
- ONT
2 stops29h 52m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,363
This oojo deal was found by Cheapflights users on 5/31. 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.
Mon 9/2812:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Mon 10/198:35 pm
ICN
- ONT
1 stop37h 25m
China Airlines
Deal found 5/31![China Airlines logo]()
$1,252
This Delta deal was found by Cheapflights users on 5/27. 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.
Thu 8/1311:45 am
ONT
- TPE
1 stop17h 10m
Delta
Wed 8/199:35 am
TPE
- ONT
2 stops28h 59m
Delta
Deal found 5/27![Delta logo]()
$942
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated June 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated June 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:52 am
ONT
- TPE
1 stop17h 03m
Delta
Tue 6/239:55 am
TPE
- ONT
1 stop16h 22m
Delta
Deal found 5/29![Delta logo]()
$956
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:52 am
ONT
- TPE
1 stop17h 03m
Delta
Mon 6/229:55 am
TPE
- ONT
1 stop16h 22m
Delta
Deal found 5/29![Delta logo]()
$989
This Delta deal was found by Cheapflights users on 5/31. 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.
Tue 6/95:59 pm
ONT
- TPE
1 stop34h 56m
Delta
Tue 6/239:55 am
TPE
- ONT
2 stops28h 54m
Delta
Deal found 5/31![Delta logo]()
$1,031
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:59 pm
ONT
- TPE
1 stop34h 56m
Delta
Mon 6/299:55 am
TPE
- ONT
1 stop22h 24m
Delta
Deal found 5/29![Delta logo]()
$1,029
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:59 pm
ONT
- TPE
1 stop34h 56m
Delta
Thu 7/29:50 am
TPE
- ONT
2 stops28h 59m
Delta
Deal found 5/29![Delta logo]()
$1,033
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:59 pm
ONT
- TPE
1 stop34h 56m
Delta
Wed 7/19:35 am
TPE
- ONT
1 stop28h 06m
Delta
Deal found 5/29![Delta logo]()
$1,036
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
ONT
- TPE
2 stops22h 55m
Delta
Tue 7/76:55 pm
TPE
- ONT
2 stops42h 57m
Delta
Deal found 5/30![Delta logo]()
$1,032
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:21 pm
ONT
- TPE
2 stops59h 34m
Delta
Mon 7/69:30 am
TPE
- ONT
2 stops29h 19m
Delta
Deal found 5/30![Delta logo]()
$1,039
This Delta deal was found by Cheapflights users on 5/31. 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.
Sun 6/285:21 pm
ONT
- TPE
2 stops35h 34m
Delta
Tue 7/219:20 am
TPE
- ONT
2 stops22h 10m
Delta
Deal found 5/31![Delta logo]()
$1,026
This Delta deal was found by Cheapflights users on 5/31. 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.
Mon 6/296:00 am
ONT
- TPE
2 stops46h 55m
Delta
Tue 7/219:20 am
TPE
- ONT
1 stop16h 57m
Delta
Deal found 5/31![Delta logo]()
$1,015
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:57 am
ONT
- TPE
1 stop16h 58m
Delta
Tue 7/76:55 pm
TPE
- ONT
2 stops42h 57m
Delta
Deal found 5/30![Delta logo]()
$1,028
This Delta deal was found by Cheapflights users on 5/31. 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.
Tue 6/3012:02 pm
ONT
- TPE
1 stop16h 53m
Delta
Tue 7/219:20 am
TPE
- ONT
1 stop16h 57m
Delta
Deal found 5/31![Delta logo]()
$1,021
One-way flights from Ontario to AsiaSearch for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
This Trip.com deal was found by Cheapflights users on 5/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$404
This oojo deal was found by Cheapflights users on 5/30. 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.
Mon 8/316:02 am
ONT
- TPE
2 stops37h 23m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$413
This Trip.com deal was found by Cheapflights users on 5/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:38 am
ONT
- NRT
1 stop16h 22m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
Wed 8/128:58 am
ONT
- ICN
2 stops41h 47m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$424
This Trip.com deal was found by Cheapflights users on 5/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
ONT
- ICN
2 stops20h 45m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$433
This Orbitz deal was found by Cheapflights users on 5/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:02 am
ONT
- TPE
2 stops26h 18m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
Thu 8/138:58 am
ONT
- ICN
2 stops41h 47m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$443
This Trip.com deal was found by Cheapflights users on 5/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:20 am
ONT
- BKK
2 stops25h 25m
Delta
Deal found 5/28![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:44 am
ONT
- TPE
1 stop17h 11m
Delta
Deal found 5/29![Delta logo]()
$460
This Korean Air deal was found by Cheapflights users on 5/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Deal found 5/27![Korean Air logo]()
$461
This Delta deal was found by Cheapflights users on 5/26. 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.
Sun 7/1911:59 am
ONT
- BKK
2 stops43h 46m
Delta
Deal found 5/26![Delta logo]()
$469
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 June 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $829 (oojo) |
One-way from | $404 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,237 |
Good round-trip deal | $993 or less |
Good one-way deal | $573 or less |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 1, 2026.
Use the filters below to find and compare flights from Ontario to Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 9/8
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Thu 10/15
9:50 am-5:17 pm
2 stops21h 27m
$890
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 9/14
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Thu 10/1
9:50 am-5:20 pm
2 stops21h 30m
$890
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 7/14
6:20 am-11:35 pm
2 stops27h 15m
Bangkok Suvarnabhumi
Tue 8/18
9:40 pm-5:21 pm
2 stops33h 41m
$895
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 10/18
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Tue 10/27
9:40 am-5:17 pm
2 stops21h 37m
$921
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sat 10/31
5:50 pm-8:30 pm
1 stop35h 40m
Taipei City Taiwan Taoyuan Intl
Sat 11/14
10:55 am-5:17 pm
1 stop22h 22m
$927
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Wed 10/21
7:00 am-7:55 pm
1 stop21h 55m
Taipei City Taiwan Taoyuan Intl
Wed 10/28
9:55 am-5:17 pm
1 stop22h 22m
$937
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 8/17
6:00 am-7:55 pm
2 stops22h 55m
Taipei City Taiwan Taoyuan Intl
Mon 8/31
9:30 am-12:05 pm
2 stops17h 35m
$942
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Thu 8/13
11:45 am-7:55 pm
1 stop17h 10m
Taipei City Taiwan Taoyuan Intl
Wed 8/19
9:35 am-11:34 pm
2 stops28h 59m
$942
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 11/16
7:00 am-9:30 pm
2 stops23h 30m
Bangkok Suvarnabhumi
Sun 12/6
11:15 pm-5:17 pm
2 stops33h 02m
$957
Quickest round-trip
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 11/16
7:10 pm-5:20 am
1 stop18h 10m
Taipei City Taiwan Taoyuan Intl
Mon 11/23
9:25 pm-4:50 pm
Nonstop11h 25m
$996
Showing 1-10 of 60 resultsSorted by cheapest first
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.
ONT-TPE
ONT-BKK
ONT-DEL
ONT-ICN
ONT-SGN
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
ONT-AS0
ONT-TPE
ONT-BKK
ONT-DEL
ONT-ICN
What is the cheapest month to book a flight from Ontario to Asia?
Currently, January is the cheapest month in which you can book a flight from Ontario to Asia (average of $715). Flying from Ontario to Asia in December is currently the most expensive (average of $1,416). 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 June 1, 2026.
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.
How far ahead should I book a flight from Ontario to Asia?
To ensure you get the cheapest price possible for a flight from Ontario to Asia, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 June 1, 2026.
Read reviews from past customers who have flown STARLUX Airlines,Korean Air, andChina 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.
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Boarding
8.9
Overall
8.9
Crew
9.1
Food
8.6
Entertainment
8.8
Comfort
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
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.
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Alternative routes for Ontario to Asia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Asia by cabin class
Find flights from Ontario to Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Asia flights
Browse other Ontario and Asia flight options. Last updated on June 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Asia countries
Consider these flights traveling to countries located in Asia.
Ontario to Asia flights
Consider these flights traveling from Ontario to Asia.
Top 8 airlines flying from Ontario to Asia
Discover the top 8 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 2,558,603 searches. Data last updated June 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$892 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$604 | Average$1,076 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$611 | Average$777 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$645 | Average$943 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$647 | Average$1,209 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$652 | Average$1,037 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$754 | Average$1,359 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$783 | Average$975 | FlexibilityNo cancel fee | On-time71% |