$391+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Jun 25 — Jul 21
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 May 26, 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 May 26, 2026.
This oojo deal was found by Cheapflights users on 5/25. 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
Sun 11/155:10 pm
TPE
- ONT
2 stops41h 18m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$829
This oojo deal was found by Cheapflights users on 5/24. 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 stops21h 33m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$845
This Bravofly deal was found by Cheapflights users on 5/21. 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.
Sat 8/812:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Tue 9/89:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 5/21![China Airlines logo]()
$853
This SmartFares deal was found by Cheapflights users on 5/21. 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 8/1312:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sun 9/139:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 5/21![China Airlines logo]()
$859
This oojo deal was found by Cheapflights users on 5/25. 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 11/65:10 pm
TPE
- ONT
2 stops41h 18m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$878
This Super.com deal was found by Cheapflights users on 5/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Sun 11/159:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 5/22![China Airlines logo]()
$890
This Delta deal was found by Cheapflights users on 5/23. 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 8/316:20 am
ONT
- BKK
2 stops27h 15m
Delta
Sun 9/69:40 pm
BKK
- ONT
2 stops39h 05m
Delta
Deal found 5/23![Delta logo]()
$890
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Tue 11/179:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 5/21![China Airlines logo]()
$892
This SmartFares deal was found by Cheapflights users on 5/21. 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.
Mon 8/1012:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Wed 8/269:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 5/21![China Airlines logo]()
$893
This Kissandfly.com deal was found by Cheapflights users on 5/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Wed 10/2812:55 am
BKK
- ONT
2 stops30h 22m
Korean Air
Deal found 5/23![Korean Air logo]()
$894
This Delta deal was found by Cheapflights users on 5/23. 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 8/305:05 pm
ONT
- BKK
2 stops40h 30m
Delta
Wed 9/92:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 5/23![Delta logo]()
$895
This oojo deal was found by Cheapflights users on 5/25. 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.
Fri 10/236:00 am
ONT
- TPE
2 stops38h 30m
Multiple Airlines
Sun 11/15:10 pm
TPE
- ONT
2 stops41h 18m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$899
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 May 26, 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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 10/2311:55 am
ONT
- TPE
1 stop17h 00m
Delta
Fri 11/2010:55 am
TPE
- ONT
1 stop16h 21m
Delta
Deal found 5/21![Delta logo]()
$922
This Korean Air deal was found by Cheapflights users on 5/22. 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.
Sat 11/147:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Wed 11/2512:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 5/22![Korean Air logo]()
$957
This China Airlines deal was found by Cheapflights users on 5/24. 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.
Thu 8/612:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sun 8/169:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 5/24![China Airlines logo]()
$989
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Sun 11/155:00 am
ONT
- TPE
2 stops22h 50m
United Airlines
Fri 11/273:50 pm
TPE
- ONT
1 stop23h 16m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,027
This Korean Air deal was found by Cheapflights users on 5/25. 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 10/307:00 am
ONT
- MNL
2 stops24h 25m
Multiple Airlines
Sun 11/2212:55 am
MNL
- ONT
2 stops31h 17m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,053
This Qatar Airways deal was found by Cheapflights users on 5/25. 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.
Wed 11/412:00 pm
ONT
- ICN
2 stops29h 30m
Qatar Airways
Tue 11/1712:20 am
ICN
- ONT
2 stops39h 34m
Qatar Airways
Deal found 5/25![Qatar Airways logo]()
$1,171
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 7/316:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Wed 8/197:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$1,393
This Turkish Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 8/2511:50 pm
ONT
- DAC
2 stops40h 25m
Turkish Airlines
Sun 9/136:50 am
DAC
- ONT
2 stops50h 23m
Turkish Airlines
Deal found 5/21![Turkish Airlines logo]()
$1,613
This Etihad Airways deal was found by Cheapflights users on 5/25. 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.
Thu 8/1311:50 pm
ONT
- DAC
2 stops40h 00m
Etihad Airways
Thu 8/279:35 pm
DAC
- ONT
2 stops38h 00m
Etihad Airways
Deal found 5/25![Etihad Airways logo]()
$1,630
This Delta deal was found by Cheapflights users on 5/24. 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 8/36:20 am
ONT
- TPE
1 stop22h 35m
Delta
Fri 8/149:35 am
TPE
- ONT
1 stop16h 29m
Delta
Deal found 5/24![Delta logo]()
$922
This Korean Air deal was found by Cheapflights users on 5/22. 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 11/97:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Wed 11/2512:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 5/22![Korean Air logo]()
$957
This China Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 9/1712:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Sun 9/279:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 5/25![China Airlines logo]()
$989
This Delta deal was found by Cheapflights users on 5/21. 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 9/611:55 am
ONT
- TPE
1 stop17h 00m
Delta
Mon 10/510:00 am
TPE
- ONT
1 stop16h 14m
Delta
Deal found 5/21![Delta logo]()
$922
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Sat 8/228:00 am
ONT
- BKK
2 stops25h 55m
United Airlines
Sun 9/207:00 am
BKK
- ONT
2 stops25h 11m
United Airlines
Deal found 5/22![United Airlines logo]()
$1,063
This China Airlines deal was found by Cheapflights users on 5/21. 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 8/1212:45 am
ONT
- MNL
1 stop17h 50m
China Airlines
Sun 11/810:55 am
MNL
- ONT
1 stop21h 55m
China Airlines
Deal found 5/21![China Airlines logo]()
$1,008
This Delta deal was found by Cheapflights users on 5/21. 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 11/47:00 am
ONT
- TPE
1 stop21h 30m
Delta
Thu 11/1210:55 am
TPE
- ONT
2 stops21h 17m
Delta
Deal found 5/21![Delta logo]()
$927
This Korean Air deal was found by Cheapflights users on 5/25. 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 11/27:00 am
ONT
- SGN
2 stops24h 25m
Korean Air
Sun 12/62:05 pm
SGN
- ONT
2 stops42h 12m
Korean Air
Deal found 5/25![Korean Air logo]()
$1,031
This Qatar Airways deal was found by Cheapflights users on 5/24. 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.
Tue 11/36:00 am
ONT
- ICN
2 stops42h 15m
Qatar Airways
Sun 11/1512:20 am
ICN
- ONT
2 stops39h 34m
Qatar Airways
Deal found 5/24![Qatar Airways logo]()
$1,171
This United Airlines deal was found by Cheapflights users on 5/24. 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 9/35:00 am
ONT
- MNL
2 stops23h 00m
United Airlines
Sat 9/269:20 pm
MNL
- ONT
1 stop16h 39m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,067
This Qatar Airways deal was found by Cheapflights users on 5/25. 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 11/712:00 pm
ONT
- ICN
2 stops36h 15m
Multiple Airlines
Sat 11/1412:20 am
ICN
- ONT
2 stops39h 34m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,229
This Delta deal was found by Cheapflights users on 5/25. 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
Mon 11/1610:55 am
TPE
- ONT
2 stops21h 17m
Delta
Deal found 5/25![Delta logo]()
$932
This Korean Air deal was found by Cheapflights users on 5/25. 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 10/217:00 am
ONT
- SGN
2 stops25h 10m
Korean Air
Sun 10/252:05 pm
SGN
- ONT
2 stops41h 12m
Korean Air
Deal found 5/25![Korean Air logo]()
$1,031
This China Airlines deal was found by Cheapflights users on 5/21. 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 10/1312:10 am
ONT
- SGN
1 stop19h 30m
China Airlines
Thu 11/1211:00 am
SGN
- ONT
1 stop20h 50m
China Airlines
Deal found 5/21![China Airlines logo]()
$1,049
This United Airlines deal was found by Cheapflights users on 5/24. 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 9/86:00 am
ONT
- SGN
2 stops25h 55m
United Airlines
Thu 9/177:00 am
SGN
- ONT
2 stops25h 11m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,097
This Qatar Airways deal was found by Cheapflights users on 5/25. 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.
Thu 10/112:12 pm
ONT
- BKK
2 stops28h 08m
Qatar Airways
Sun 10/253:00 am
BKK
- ONT
2 stops29h 00m
Qatar Airways
Deal found 5/25![Qatar Airways logo]()
$1,227
This Korean Air deal was found by Cheapflights users on 5/22. 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 11/47:00 am
ONT
- SGN
2 stops24h 25m
Korean Air
Sun 11/82:05 pm
SGN
- ONT
2 stops42h 12m
Korean Air
Deal found 5/22![Korean Air logo]()
$1,031
This Delta deal was found by Cheapflights users on 5/23. 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 10/267:00 am
ONT
- TPE
1 stop22h 30m
Delta
Sun 11/1510:55 am
TPE
- ONT
1 stop16h 21m
Delta
Deal found 5/23![Delta logo]()
$944
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 9/166:02 am
ONT
- NRT
1 stop17h 58m
Multiple Airlines
Wed 9/236:00 pm
NRT
- ONT
2 stops31h 51m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 5/24. 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 9/259:39 am
ONT
- SGN
2 stops22h 26m
United Airlines
Tue 10/207:00 am
SGN
- ONT
2 stops22h 22m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,110
This Delta deal was found by Cheapflights users on 5/23. 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 9/2211:44 am
ONT
- TPE
1 stop17h 11m
Delta
Sun 11/810:55 am
TPE
- ONT
1 stop22h 22m
Delta
Deal found 5/23![Delta logo]()
$944
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated May 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/21. 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 5/221:50 pm
ONT
- TPE
1 stop23h 15m
United Airlines
Mon 5/259:50 am
TPE
- ONT
1 stop23h 06m
United Airlines
Deal found 5/21![United Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 5/21. 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 5/226:00 am
ONT
- TPE
1 stop21h 45m
United Airlines
Fri 5/292:30 pm
TPE
- ONT
1 stop23h 07m
United Airlines
Deal found 5/21![United Airlines logo]()
$1,050
This Delta deal was found by Cheapflights users on 5/23. 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 5/235:55 pm
ONT
- TPE
2 stops59h 00m
Delta
Wed 5/279:55 am
TPE
- ONT
1 stop16h 17m
Delta
Deal found 5/23![Delta logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/256:00 am
ONT
- BKK
2 stops27h 55m
United Airlines
Wed 6/37:00 am
BKK
- ONT
2 stops24h 56m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,108
This United Airlines deal was found by Cheapflights users on 5/25. 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 5/256:30 pm
ONT
- BKK
2 stops39h 25m
United Airlines
Sun 6/143:45 pm
BKK
- ONT
2 stops44h 52m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,131
This United Airlines deal was found by Cheapflights users on 5/24. 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 5/251:18 pm
ONT
- BKK
2 stops44h 37m
United Airlines
Mon 9/73:45 pm
BKK
- ONT
2 stops42h 16m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,143
This United Airlines deal was found by Cheapflights users on 5/25. 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 5/261:50 pm
ONT
- BKK
2 stops44h 05m
United Airlines
Wed 6/247:00 am
BKK
- ONT
2 stops29h 37m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 5/25. 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 5/261:50 pm
ONT
- BKK
2 stops44h 05m
United Airlines
Thu 6/259:35 am
BKK
- ONT
2 stops51h 02m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Wed 5/276:00 am
ONT
- BKK
2 stops27h 55m
United Airlines
Wed 9/309:35 am
BKK
- ONT
2 stops24h 41m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,124
This Delta deal was found by Cheapflights users on 5/25. 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 6/26:45 am
ONT
- BKK
2 stops40h 50m
Delta
Sun 6/142:35 am
BKK
- ONT
2 stops28h 44m
Delta
Deal found 5/25![Delta logo]()
$1,180
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Tue 6/163:34 pm
ONT
- MNL
2 stops47h 11m
Multiple Airlines
Wed 7/2910:45 am
MNL
- ONT
1 stop21h 55m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,140
This Delta deal was found by Cheapflights users on 5/21. 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 6/1811:57 am
ONT
- TPE
1 stop16h 58m
Delta
Tue 7/219:40 am
TPE
- ONT
1 stop22h 41m
Delta
Deal found 5/21![Delta logo]()
$1,177
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 May 26, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Trip.com deal was found by Cheapflights users on 5/25. 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 9/149:31 am
ONT
- NRT
1 stop35h 34m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$391
This Trip.com deal was found by Cheapflights users on 5/25. 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 7/288:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 8/319:31 am
ONT
- NRT
1 stop35h 34m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$418
This oojo deal was found by Cheapflights users on 5/24. 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 9/166:02 am
ONT
- TPE
2 stops37h 23m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$423
This oojo deal was found by Cheapflights users on 5/22. 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 10/286:00 am
ONT
- TPE
2 stops38h 30m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$424
This Trip.com deal was found by Cheapflights users on 5/23. 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 8/108:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$425
This Trip.com deal was found by Cheapflights users on 5/24. 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 7/228:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$452
This FlipMilhas deal was found by Cheapflights users on 5/21. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
ONT
- ICN
1 stop40h 45m
GOL
Deal found 5/21![GOL logo]()
$456
This Delta deal was found by Cheapflights users on 5/23. 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 7/96:20 am
ONT
- BKK
2 stops25h 25m
Delta
Deal found 5/23![Delta logo]()
$458
This Korean Air deal was found by Cheapflights users on 5/23. 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 stops25h 25m
Korean Air
Deal found 5/23![Korean Air logo]()
$461
This oojo deal was found by Cheapflights users on 5/22. 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.
Sat 11/147:10 pm
ONT
- TPE
2 stops48h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$464
This Trip.com deal was found by Cheapflights users on 5/24. 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 7/158:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$465
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $829 (oojo) |
One-way from | $391 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $943 |
Good round-trip deal | $996 or less |
Good one-way deal | $555 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 May 26, 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
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Fri 10/23
11:55 am-7:55 pm
1 stop17h 00m
Taipei City Taiwan Taoyuan Intl
Fri 11/20
10:55 am-11:16 am
1 stop16h 21m
$922
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 8/3
6:20 am-7:55 pm
1 stop22h 35m
Taipei City Taiwan Taoyuan Intl
Fri 8/14
9:35 am-11:04 am
1 stop16h 29m
$922
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sun 9/6
11:55 am-7:55 pm
1 stop17h 00m
Taipei City Taiwan Taoyuan Intl
Mon 10/5
10:00 am-11:14 am
1 stop16h 14m
$922
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Wed 11/4
7:00 am-8:30 pm
1 stop21h 30m
Taipei City Taiwan Taoyuan Intl
Thu 11/12
10:55 am-4:12 pm
2 stops21h 17m
$927
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sat 10/31
5:50 pm-8:30 pm
1 stop35h 40m
Taipei City Taiwan Taoyuan Intl
Mon 11/16
10:55 am-4:12 pm
2 stops21h 17m
$932
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 10/26
7:00 am-8:30 pm
1 stop22h 30m
Taipei City Taiwan Taoyuan Intl
Sun 11/15
10:55 am-11:16 am
1 stop16h 21m
$944
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Tue 9/22
11:44 am-7:55 pm
1 stop17h 11m
Taipei City Taiwan Taoyuan Intl
Sun 11/8
10:55 am-5:17 pm
1 stop22h 22m
$944
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sat 11/14
7:00 am-9:30 pm
2 stops23h 30m
Bangkok Suvarnabhumi
Wed 11/25
12:55 am-5:17 pm
2 stops31h 22m
$957
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 11/9
7:00 am-9:30 pm
2 stops23h 30m
Bangkok Suvarnabhumi
Wed 11/25
12:55 am-5:17 pm
2 stops31h 22m
$957
Quickest round-trip
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Thu 8/6
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Sun 8/16
9:10 pm-6:40 pm
Nonstop12h 30m
$989
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-MNL
ONT-ICN
ONT-DAC
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-MNL
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 May 26, 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 May 26, 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.
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Crew
9.2
Food
8.6
Boarding
8.9
Entertainment
8.8
Overall
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 May 26, 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$892 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$604 | Average$1,023 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$611 | Average$777 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$646 | Average$944 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$647 | Average$1,209 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$652 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$754 | Average$1,359 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$783 | Average$1,002 | FlexibilityNo cancel fee | On-time71% |