$314+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Mar 14 — Mar 211
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 February 12, 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 February 12, 2026.
This Delta deal was found by Cheapflights users on 2/11. 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 4/126:00 am
ONT
- BKK
2 stops27h 40m
Delta
Mon 5/49:40 pm
BKK
- ONT
2 stops33h 35m
Delta
Deal found 2/11![Delta logo]()
$611
This Korean Air deal was found by Cheapflights users on 2/11. 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 9/217:00 am
ONT
- BKK
2 stops28h 05m
Korean Air
Wed 9/2311:30 pm
BKK
- ONT
2 stops37h 10m
Korean Air
Deal found 2/11![Korean Air logo]()
$616
This Delta deal was found by Cheapflights users on 2/11. 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 4/115:45 pm
ONT
- BKK
2 stops39h 55m
Delta
Sat 5/29:40 pm
BKK
- ONT
2 stops38h 57m
Delta
Deal found 2/11![Delta logo]()
$617
This SmartFares deal was found by Cheapflights users on 2/11. 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.
Fri 11/137:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Fri 12/411:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 2/11![Korean Air logo]()
$643
This SmartFares deal was found by Cheapflights users on 2/11. 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.
Tue 10/67:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Tue 11/1712:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 2/11![Korean Air logo]()
$650
This Delta deal was found by Cheapflights users on 2/10. 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 4/197:00 am
ONT
- BKK
2 stops26h 40m
Delta
Thu 5/289:50 am
BKK
- ONT
2 stops21h 20m
Delta
Deal found 2/10![Delta logo]()
$661
This Korean Air deal was found by Cheapflights users on 2/9. 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.
Thu 11/197:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Mon 11/3012:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 2/9![Korean Air logo]()
$666
This Delta deal was found by Cheapflights users on 2/11. 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 3/33:30 pm
ONT
- BKK
2 stops42h 25m
Delta
Sat 5/29:40 pm
BKK
- ONT
2 stops33h 35m
Delta
Deal found 2/11![Delta logo]()
$667
This Gurufare deal was found by Cheapflights users on 2/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Wed 5/209:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 2/10![China Airlines logo]()
$668
This Korean Air deal was found by Cheapflights users on 2/9. 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 4/137:00 am
ONT
- BKK
2 stops40h 35m
Korean Air
Thu 5/1411:30 pm
BKK
- ONT
2 stops31h 40m
Korean Air
Deal found 2/9![Korean Air logo]()
$671
This Delta deal was found by Cheapflights users on 2/11. 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 3/33:30 pm
ONT
- BKK
2 stops42h 15m
Delta
Thu 4/309:40 pm
BKK
- ONT
2 stops33h 35m
Delta
Deal found 2/11![Delta logo]()
$672
This SmartFares deal was found by Cheapflights users on 2/9. 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 8/3112:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Tue 9/89:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 2/9![China Airlines logo]()
$673
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 February 12, 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 February 12, 2026.
This Delta deal was found by Cheapflights users on 2/10. 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 5/67:00 am
ONT
- BKK
2 stops26h 40m
Delta
Wed 5/279:50 am
BKK
- ONT
2 stops21h 20m
Delta
Deal found 2/10![Delta logo]()
$661
This China Airlines deal was found by Cheapflights users on 2/11. 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 4/2712:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Thu 5/79:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 2/11![China Airlines logo]()
$674
This Korean Air deal was found by Cheapflights users on 2/12. 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 4/137:00 am
ONT
- MNL
2 stops24h 05m
Korean Air
Wed 4/2211:30 pm
MNL
- ONT
2 stops32h 45m
Korean Air
Deal found 2/12![Korean Air logo]()
$707
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/306:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Wed 4/159:00 am
SIN
- ONT
1 stop18h 14m
United Airlines
Deal found 2/9![United Airlines logo]()
$715
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Mon 3/96:14 am
ONT
- NRT
1 stop17h 46m
Multiple Airlines
Mon 3/166:30 pm
NRT
- ONT
1 stop21h 02m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:57 pm
ONT
- DEL
2 stops23h 43m
KLM
Tue 9/153:55 am
DEL
- ONT
2 stops24h 49m
KLM
Deal found 2/10![KLM logo]()
$1,057
This Delta deal was found by Cheapflights users on 2/12. 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 4/307:00 am
ONT
- SIN
2 stops31h 00m
Delta
Thu 5/147:30 am
SIN
- ONT
2 stops24h 40m
Delta
Deal found 2/12![Delta logo]()
$708
This China Airlines deal was found by Cheapflights users on 2/11. 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 4/712:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Fri 4/249:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 2/11![China Airlines logo]()
$708
This Korean Air deal was found by Cheapflights users on 2/8. 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 4/76:00 am
ONT
- SGN
2 stops27h 15m
Korean Air
Fri 4/247:35 am
SGN
- ONT
2 stops23h 40m
Korean Air
Deal found 2/8![Korean Air logo]()
$711
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/96:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Thu 4/169:00 am
SIN
- ONT
1 stop18h 14m
United Airlines
Deal found 2/9![United Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 2/12. 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 3/37:30 am
ONT
- SIN
2 stops24h 40m
Delta
Wed 4/227:30 am
SIN
- ONT
2 stops24h 45m
Delta
Deal found 2/12![Delta logo]()
$708
This China Airlines deal was found by Cheapflights users on 2/9. 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 5/1112:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Fri 6/59:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 2/9![China Airlines logo]()
$708
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Thu 4/96:00 am
ONT
- SGN
2 stops26h 05m
Korean Air
Mon 4/207:35 am
SGN
- ONT
2 stops23h 40m
Korean Air
Deal found 2/8![Korean Air logo]()
$711
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/166:37 pm
ONT
- SIN
1 stop21h 23m
United Airlines
Wed 2/2510:10 am
SIN
- ONT
1 stop18h 38m
United Airlines
Deal found 2/9![United Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 2/12. 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 4/307:00 am
ONT
- SIN
2 stops31h 00m
Delta
Wed 5/137:30 am
SIN
- ONT
2 stops31h 04m
Delta
Deal found 2/12![Delta logo]()
$708
This China Airlines deal was found by Cheapflights users on 2/11. 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 4/812:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Thu 4/239:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 2/11![China Airlines logo]()
$708
This Korean Air deal was found by Cheapflights users on 2/9. 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 3/96:00 am
ONT
- SGN
2 stops26h 25m
Korean Air
Fri 3/272:05 pm
SGN
- ONT
2 stops41h 08m
Korean Air
Deal found 2/9![Korean Air logo]()
$711
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/246:10 am
ONT
- SIN
1 stop22h 05m
United Airlines
Wed 3/1110:10 am
SIN
- ONT
1 stop22h 31m
United Airlines
Deal found 2/8![United Airlines logo]()
$721
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 8/116:00 am
ONT
- NRT
1 stop18h 00m
Multiple Airlines
Wed 8/126:00 pm
NRT
- ONT
1 stop16h 54m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$944
This Korean Air deal was found by Cheapflights users on 2/9. 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 4/137:00 am
ONT
- SGN
2 stops25h 10m
Korean Air
Fri 4/247:30 am
SGN
- ONT
2 stops23h 45m
Korean Air
Deal found 2/9![Korean Air logo]()
$711
This Delta deal was found by Cheapflights users on 2/10. 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 5/67:00 am
ONT
- BKK
2 stops26h 40m
Delta
Sat 5/239:50 am
BKK
- ONT
2 stops21h 20m
Delta
Deal found 2/10![Delta logo]()
$711
This China Airlines deal was found by Cheapflights users on 2/8. 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 4/1612:10 am
ONT
- SGN
1 stop26h 10m
China Airlines
Tue 4/2110:50 am
SGN
- ONT
1 stop21h 10m
China Airlines
Deal found 2/8![China Airlines logo]()
$718
This United Airlines deal was found by Cheapflights users on 2/8. 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 5/76:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Thu 5/288:45 am
SIN
- ONT
1 stop18h 35m
United Airlines
Deal found 2/8![United Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 2/9. 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 3/73:30 pm
ONT
- SGN
2 stops40h 50m
Delta
Wed 4/11:55 pm
SGN
- ONT
2 stops41h 18m
Delta
Deal found 2/9![Delta logo]()
$712
This Korean Air deal was found by Cheapflights users on 2/12. 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 5/17:00 am
ONT
- SIN
2 stops31h 00m
Korean Air
Thu 5/147:30 am
SIN
- ONT
2 stops24h 40m
Korean Air
Deal found 2/12![Korean Air logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 7/86:00 am
ONT
- NRT
1 stop18h 00m
Multiple Airlines
Wed 7/156:00 pm
NRT
- ONT
1 stop14h 16m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$958
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/116:15 am
ONT
- SIN
1 stop23h 00m
United Airlines
Tue 3/1710:10 am
SIN
- ONT
1 stop27h 47m
United Airlines
Deal found 2/12![United Airlines logo]()
$722
This China Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 4/2412:10 am
ONT
- MNL
1 stop18h 25m
China Airlines
Sat 5/24:50 pm
MNL
- ONT
1 stop16h 10m
China Airlines
Deal found 2/11![China Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 2/12. 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 5/55:55 pm
ONT
- SIN
2 stops38h 45m
Delta
Mon 5/1110:30 pm
SIN
- ONT
2 stops38h 49m
Delta
Deal found 2/12![Delta logo]()
$714
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:57 pm
ONT
- DEL
2 stops23h 43m
KLM
Sun 9/133:55 am
DEL
- ONT
2 stops24h 49m
KLM
Deal found 2/10![KLM logo]()
$1,155
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated February 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/9. 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.
Sun 2/1510:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Mon 3/239:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 2/9![China Airlines logo]()
$681
This Gurufare deal was found by Cheapflights users on 2/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Tue 3/249:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 2/10![China Airlines logo]()
$691
This oojo deal was found by Cheapflights users on 2/9. 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.
Tue 2/1710:50 pm
ONT
- MNL
1 stop35h 40m
China Airlines
Wed 3/1810:55 am
MNL
- ONT
1 stop21h 55m
China Airlines
Deal found 2/9![China Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 2/11. 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 3/33:30 pm
ONT
- BKK
2 stops42h 25m
Delta
Sat 5/29:40 pm
BKK
- ONT
2 stops33h 35m
Delta
Deal found 2/11![Delta logo]()
$667
This Delta deal was found by Cheapflights users on 2/11. 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 3/33:30 pm
ONT
- BKK
2 stops42h 15m
Delta
Thu 4/309:40 pm
BKK
- ONT
2 stops33h 35m
Delta
Deal found 2/11![Delta logo]()
$672
This Delta deal was found by Cheapflights users on 2/9. 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 3/47:30 am
ONT
- BKK
2 stops26h 25m
Delta
Thu 3/129:40 am
BKK
- ONT
2 stops26h 53m
Delta
Deal found 2/9![Delta logo]()
$661
This oojo deal was found by Cheapflights users on 2/9. 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 3/510:50 pm
ONT
- MNL
1 stop25h 05m
China Airlines
Tue 4/710:35 am
MNL
- ONT
1 stop22h 25m
China Airlines
Deal found 2/9![China Airlines logo]()
$688
This SmartFares deal was found by Cheapflights users on 2/9. 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 3/911:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Thu 3/199:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 2/9![China Airlines logo]()
$673
This oojo deal was found by Cheapflights users on 2/12. 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 3/911:50 pm
ONT
- MNL
1 stop19h 05m
China Airlines
Tue 3/1710:55 am
MNL
- ONT
1 stop21h 55m
China Airlines
Deal found 2/12![China Airlines logo]()
$687
This oojo deal was found by Cheapflights users on 2/9. 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 3/911:50 pm
ONT
- MNL
1 stop25h 05m
China Airlines
Wed 3/1810:55 am
MNL
- ONT
1 stop21h 55m
China Airlines
Deal found 2/9![China Airlines logo]()
$689
This Korean Air deal was found by Cheapflights users on 2/9. 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 3/106:00 am
ONT
- BKK
2 stops28h 45m
Korean Air
Tue 3/242:05 am
BKK
- ONT
2 stops34h 29m
Korean Air
Deal found 2/9![Korean Air logo]()
$666
This oojo deal was found by Cheapflights users on 2/10. 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 3/1611:50 pm
ONT
- MNL
1 stop19h 05m
China Airlines
Fri 3/274:55 pm
MNL
- ONT
1 stop15h 55m
China Airlines
Deal found 2/10![China Airlines logo]()
$692
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 February 12, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Delta deal was found by Cheapflights users on 2/12. 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 4/216:00 am
ONT
- BKK
2 stops27h 40m
Delta
Deal found 2/12![Delta logo]()
$314
This Korean Air deal was found by Cheapflights users on 2/11. 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 3/166:00 am
ONT
- BKK
2 stops28h 55m
Korean Air
Deal found 2/11![Korean Air logo]()
$317
This SmartFares deal was found by Cheapflights users on 2/11. 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.
Tue 4/287:00 am
ONT
- SGN
2 stops25h 10m
Korean Air
Deal found 2/11![Korean Air logo]()
$326
This iWofly deal was found by Cheapflights users on 2/8. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 2/8![Korean Air logo]()
$328
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/69:06 am
ONT
- NRT
1 stop17h 49m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$329
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Thu 5/149:02 am
ONT
- NRT
1 stop18h 58m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$330
This Trip.com deal was found by Cheapflights users on 2/10. 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 4/68:49 am
ONT
- SGN
2 stops25h 31m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$332
This ScholarTrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
ONT
- SGN
2 stops26h 10m
Korean Air
Deal found 2/11![Korean Air logo]()
$335
This Delta deal was found by Cheapflights users on 2/11. 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 3/47:30 am
ONT
- SGN
2 stops23h 55m
Delta
Deal found 2/11![Delta logo]()
$337
This Trip.com deal was found by Cheapflights users on 2/11. 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 3/99:06 am
ONT
- NRT
1 stop18h 49m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$338
This Korean Air deal was found by Cheapflights users on 2/11. 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 3/26:00 am
ONT
- SGN
2 stops26h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/9. 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 3/37:30 am
ONT
- BKK
2 stops26h 15m
Delta
Deal found 2/9![Delta logo]()
$339
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $611 (Delta) |
One-way from | $314 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $759 |
Good round-trip deal | $710 or less |
Good one-way deal | $408 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 February 12, 2026.
Use the filters below to find and compare flights from Ontario to Asia that are best for you.
Fly from
Ontario
Fly to
Asia
Route
Depart
Return
Price
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 5/6
7:00 am-11:40 pm
2 stops26h 40m
Bangkok Suvarnabhumi
Wed 5/27
9:50 am-5:10 pm
2 stops21h 20m
$661
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 4/27
12:10 am-5:15 am
Nonstop14h 05m
Taipei City Taiwan Taoyuan Intl
Thu 5/7
9:10 pm-6:00 pm
Nonstop11h 50m
$674
OntarioManila
ONT - MNL
ONTMNL
Ontario
Mon 4/13
7:00 am-10:05 pm
2 stops24h 05m
Manila Ninoy Aquino Intl
Wed 4/22
11:30 pm-5:15 pm
2 stops32h 45m
$707
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 4/30
7:00 am-5:00 am
2 stops31h 00m
Singapore Changi
Thu 5/14
7:30 am-5:10 pm
2 stops24h 40m
$708
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Tue 4/7
12:10 am-5:15 am
Nonstop14h 05m
Taipei City Taiwan Taoyuan Intl
Fri 4/24
9:10 pm-6:00 pm
Nonstop11h 50m
$708
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 3/3
7:30 am-12:10 am
2 stops24h 40m
Singapore Changi
Wed 4/22
7:30 am-5:15 pm
2 stops24h 45m
$708
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 5/11
12:10 am-5:15 am
Nonstop14h 05m
Taipei City Taiwan Taoyuan Intl
Fri 6/5
9:10 pm-6:00 pm
Nonstop11h 50m
$708
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 4/30
7:00 am-5:00 am
2 stops31h 00m
Singapore Changi
Wed 5/13
7:30 am-11:34 pm
2 stops31h 04m
$708
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Wed 4/8
12:10 am-5:15 am
Nonstop14h 05m
Taipei City Taiwan Taoyuan Intl
Thu 4/23
9:10 pm-6:00 pm
Nonstop11h 50m
$708
OntarioHo Chi Minh City
ONT - SGN
ONTSGN
Ontario
Tue 4/7
6:00 am-11:15 pm
2 stops27h 15m
Ho Chi Minh City
Fri 4/24
7:35 am-5:15 pm
2 stops23h 40m
$711
Showing 1-10 of 60 results
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-BKK
ONT-TPE
ONT-MNL
ONT-SIN
ONT-NRT
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-BKK
ONT-TPE
ONT-MNL
ONT-SIN
What is the cheapest month to book a flight from Ontario to Asia?
Currently, February is the cheapest month in which you can book a flight from Ontario to Asia (average of $295). Flying from Ontario to Asia in June is currently the most expensive (average of $489). 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 February 12, 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.
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 February 12, 2026.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and China 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.
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
8.9
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 February 12, 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 10 airlines flying from Ontario to Asia
Discover the top 10 airlines that operate flights from Ontario to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$853 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$1,071 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$616 | Average$778 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$647 | Average$728 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$648 | Average$967 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$649 | Average$1,029 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$983 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$767 | Average$1,312 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$892 | Average$1,443 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$938 | Average$1,216 | FlexibilityNo cancel fee | On-time72% |