$373+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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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 July 2, 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 July 2, 2026.
This SmartFares deal was found by Cheapflights users on 7/1. 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.
Wed 8/196:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 8/2311:30 pm
BKK
- ONT
2 stops37h 15m
Korean Air
Deal found 7/1![Korean Air logo]()
$801
This SmartFares deal was found by Cheapflights users on 6/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 9/139:40 pm
BKK
- ONT
2 stops33h 40m
Korean Air
Deal found 6/29![Korean Air logo]()
$802
This Kissandfly.com deal was found by Cheapflights users on 7/1. 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.
Thu 8/206:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Wed 9/211:30 pm
BKK
- ONT
2 stops31h 51m
Korean Air
Deal found 7/1![Korean Air logo]()
$817
This Kissandfly.com deal was found by Cheapflights users on 6/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Tue 8/259:40 pm
BKK
- ONT
2 stops33h 41m
Korean Air
Deal found 6/28![Korean Air logo]()
$829
This Delta deal was found by Cheapflights users on 6/29. 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 10/56:20 am
ONT
- BKK
2 stops25h 25m
Delta
Thu 11/59:40 am
BKK
- ONT
2 stops21h 44m
Delta
Deal found 6/29![Delta logo]()
$838
This Korean Air deal was found by Cheapflights users on 6/29. 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
Tue 11/2412:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 6/29![Korean Air logo]()
$844
This Delta deal was found by Cheapflights users on 6/30. 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 9/136:00 pm
ONT
- BKK
2 stops37h 45m
Delta
Sun 9/202:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 6/30![Delta logo]()
$845
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 8/306:01 pm
ONT
- BKK
2 stops39h 34m
Delta
Sun 9/611:30 pm
BKK
- ONT
2 stops50h 44m
Delta
Deal found 6/28![Delta logo]()
$850
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:13 pm
ONT
- NRT
1 stop36h 47m
Multiple Airlines
Wed 8/267:10 pm
NRT
- ONT
1 stop19h 00m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:57 pm
ONT
- NRT
1 stop31h 28m
Multiple Airlines
Wed 10/219:30 pm
NRT
- ONT
1 stop32h 30m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$868
This lol.travel deal was found by Cheapflights users on 6/29. 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 lol.travel 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 11/2212:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 6/29![Korean Air logo]()
$876
This SmartFares deal was found by Cheapflights users on 6/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:20 am
ONT
- BKK
2 stops26h 00m
Korean Air
Tue 11/1011:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 6/27![Korean Air logo]()
$879
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 July 2, 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 July 2, 2026.
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 9/156:20 am
ONT
- BKK
2 stops25h 25m
Delta
Tue 12/89:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 6/27![Delta logo]()
$838
This Korean Air deal was found by Cheapflights users on 6/29. 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.
Tue 9/16:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 9/149:40 pm
BKK
- ONT
2 stops33h 40m
Korean Air
Deal found 6/29![Korean Air logo]()
$844
This China Airlines deal was found by Cheapflights users on 6/29. 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 10/2611:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Mon 5/249:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 6/29![China Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:01 am
ONT
- BKK
2 stops24h 54m
United Airlines
Wed 8/267:00 am
BKK
- ONT
2 stops25h 16m
United Airlines
Deal found 6/28![United Airlines logo]()
$949
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Mon 8/247:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:05 pm
ONT
- NRT
1 stop33h 55m
Multiple Airlines
Sat 8/226:00 pm
NRT
- ONT
1 stop33h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,163
This Qatar Airways deal was found by Cheapflights users on 6/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:02 am
ONT
- HKG
2 stops42h 08m
Qatar Airways
Thu 9/101:25 am
HKG
- ONT
2 stops36h 59m
Qatar Airways
Deal found 6/28![Qatar Airways logo]()
$1,173
This KLM deal was found by Cheapflights users on 6/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:45 am
ONT
- BOM
2 stops25h 10m
KLM
Fri 12/112:25 am
BOM
- ONT
2 stops27h 17m
KLM
Deal found 6/27![KLM logo]()
$1,235
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/179:10 pm
ONT
- BOM
2 stops43h 35m
Turkish Airlines
Mon 9/286:55 am
BOM
- ONT
2 stops49h 48m
Turkish Airlines
Deal found 7/1![Turkish Airlines logo]()
$1,237
This Korean Air deal was found by Cheapflights users on 6/27. 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 11/107:00 am
ONT
- BKK
2 stops26h 45m
Korean Air
Wed 11/2511:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 6/27![Korean Air logo]()
$844
This China Airlines deal was found by Cheapflights users on 6/29. 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 9/712:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sat 9/269:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 6/29![China Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 6/28. 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.
Fri 9/46:20 am
ONT
- BKK
2 stops25h 25m
Delta
Sun 9/611:30 pm
BKK
- ONT
2 stops50h 44m
Delta
Deal found 6/28![Delta logo]()
$919
This Korean Air deal was found by Cheapflights users on 6/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 11/2212:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 6/28![Korean Air logo]()
$844
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:00 am
ONT
- BKK
2 stops27h 15m
United Airlines
Tue 7/287:00 am
BKK
- ONT
2 stops29h 37m
United Airlines
Deal found 6/30![United Airlines logo]()
$950
This China Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 11/2910:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Thu 12/39:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 6/28![China Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 6/29. 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.
Sun 8/166:01 pm
ONT
- HND
1 stop28h 19m
Delta
Thu 8/274:20 pm
HND
- ONT
1 stop34h 56m
Delta
Deal found 6/29![Delta logo]()
$959
This China Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 9/412:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Fri 9/259:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 6/29![China Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sun 8/309:01 am
ONT
- NRT
1 stop13h 59m
United Airlines
Tue 9/85:00 pm
NRT
- ONT
1 stop13h 01m
United Airlines
Deal found 6/29![United Airlines logo]()
$998
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Thu 8/277:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This Korean Air deal was found by Cheapflights users on 7/1. 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 7/236:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Mon 8/32:35 am
BKK
- ONT
2 stops28h 46m
Korean Air
Deal found 7/1![Korean Air logo]()
$934
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:32 pm
ONT
- NRT
2 stops30h 28m
Multiple Airlines
Sun 8/236:00 pm
NRT
- ONT
1 stop33h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,181
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
ONT
- HND
1 stop15h 55m
United Airlines
Wed 8/193:50 pm
HND
- ONT
1 stop18h 26m
United Airlines
Deal found 6/28![United Airlines logo]()
$998
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 11/26:20 am
ONT
- SGN
2 stops26h 00m
Delta
Sun 12/68:00 am
SGN
- ONT
2 stops24h 17m
Delta
Deal found 6/27![Delta logo]()
$1,010
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Mon 8/247:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This Korean Air deal was found by Cheapflights users on 6/30. 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 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 stops25h 25m
Korean Air
Sun 7/2611:30 pm
BKK
- ONT
2 stops31h 51m
Korean Air
Deal found 6/30![Korean Air logo]()
$955
This Turkish Airlines deal was found by Cheapflights users on 6/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:10 pm
ONT
- BOM
2 stops43h 35m
Turkish Airlines
Tue 9/296:55 am
BOM
- ONT
2 stops49h 48m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$1,280
This Qatar Airways deal was found by Cheapflights users on 6/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:02 am
ONT
- BOM
2 stops37h 53m
Qatar Airways
Fri 10/2310:15 pm
BOM
- ONT
2 stops32h 18m
Qatar Airways
Deal found 6/28![Qatar Airways logo]()
$1,308
This China Airlines deal was found by Cheapflights users on 6/28. 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 11/1610:50 pm
ONT
- SGN
1 stop27h 00m
China Airlines
Sat 12/55:50 pm
SGN
- ONT
1 stop38h 00m
China Airlines
Deal found 6/28![China Airlines logo]()
$989
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:00 am
ONT
- NRT
2 stops18h 00m
United Airlines
Wed 8/195:00 pm
NRT
- ONT
1 stop17h 16m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 8/56:00 am
ONT
- SGN
2 stops40h 35m
Delta
Thu 10/81:55 pm
SGN
- ONT
2 stops41h 17m
Delta
Deal found 6/27![Delta logo]()
$1,010
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated July 2, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 6/28. 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 lol.travel 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
Fri 7/172:35 am
BKK
- ONT
2 stops34h 17m
Korean Air
Deal found 6/28![Korean Air logo]()
$881
This Korean Air deal was found by Cheapflights users on 6/30. 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 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
Mon 8/32:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 6/30![Korean Air logo]()
$886
This lol.travel deal was found by Cheapflights users on 6/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Wed 10/2812:55 am
BKK
- ONT
2 stops30h 17m
Korean Air
Deal found 6/28![Korean Air logo]()
$885
This Delta deal was found by Cheapflights users on 7/1. 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 8/46:20 am
ONT
- BKK
2 stops27h 15m
Delta
Tue 8/259:40 pm
BKK
- ONT
2 stops39h 54m
Delta
Deal found 7/1![Delta logo]()
$839
This Kissandfly.com deal was found by Cheapflights users on 6/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Tue 8/259:40 pm
BKK
- ONT
2 stops33h 41m
Korean Air
Deal found 6/28![Korean Air logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:13 pm
ONT
- NRT
1 stop36h 47m
Multiple Airlines
Wed 8/267:10 pm
NRT
- ONT
1 stop19h 00m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$866
This SmartFares deal was found by Cheapflights users on 7/1. 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.
Wed 8/196:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 8/2311:30 pm
BKK
- ONT
2 stops37h 15m
Korean Air
Deal found 7/1![Korean Air logo]()
$801
This SmartFares deal was found by Cheapflights users on 6/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 9/139:40 pm
BKK
- ONT
2 stops33h 40m
Korean Air
Deal found 6/29![Korean Air logo]()
$802
This Kissandfly.com deal was found by Cheapflights users on 7/1. 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.
Thu 8/206:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Wed 9/211:30 pm
BKK
- ONT
2 stops31h 51m
Korean Air
Deal found 7/1![Korean Air logo]()
$817
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 8/235:05 pm
ONT
- BKK
2 stops40h 30m
Delta
Mon 9/142:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 6/28![Delta logo]()
$844
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 8/276:00 am
ONT
- BKK
2 stops25h 45m
Delta
Mon 9/1411:30 pm
BKK
- ONT
2 stops38h 17m
Delta
Deal found 6/28![Delta logo]()
$838
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 8/306:01 pm
ONT
- BKK
2 stops39h 34m
Delta
Sun 9/611:30 pm
BKK
- ONT
2 stops50h 44m
Delta
Deal found 6/28![Delta logo]()
$850
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 July 2, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 8/88:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$373
This Trip.com deal was found by Cheapflights users on 7/1. 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 7/298:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$380
This Trip.com deal was found by Cheapflights users on 6/30. 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 7/298:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$391
This Trip.com deal was found by Cheapflights users on 7/1. 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
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$392
This Trip.com deal was found by Cheapflights users on 6/30. 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.
Mon 9/2111:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$399
This Trip.com deal was found by Cheapflights users on 7/1. 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 8/178:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$400
This Trip.com deal was found by Cheapflights users on 6/28. 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 9/78:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$409
This SmartFares deal was found by Cheapflights users on 6/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Deal found 6/27![Korean Air logo]()
$410
This SmartFares deal was found by Cheapflights users on 7/2. 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 10/26:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Deal found 7/2![Korean Air logo]()
$416
This SmartFares deal was found by Cheapflights users on 6/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:02 am
ONT
- NRT
1 stop17h 58m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$418
This SmartFares deal was found by Cheapflights users on 6/28. 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.
Wed 7/296:20 am
ONT
- HND
1 stop16h 00m
Delta
Deal found 6/28![Delta logo]()
$418
This Kissandfly.com deal was found by Cheapflights users on 6/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Deal found 6/30![Korean Air logo]()
$424
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 July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $801 (SmartFares) |
One-way from | $373 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,019 |
Good round-trip deal | $998 or less |
Good one-way deal | $566 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 July 2, 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 9/15
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Tue 12/8
9:40 am-4:12 pm
2 stops21h 32m
$838
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 9/1
6:20 am-11:35 pm
2 stops27h 15m
Bangkok Suvarnabhumi
Mon 9/14
9:40 pm-5:20 pm
2 stops33h 40m
$844
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 11/10
7:00 am-12:45 am
2 stops26h 45m
Bangkok Suvarnabhumi
Wed 11/25
11:15 pm-5:17 pm
2 stops33h 02m
$844
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 10/14
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Sun 11/22
12:55 am-5:17 pm
2 stops31h 22m
$844
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 10/26
11:50 pm-5:30 am
Nonstop14h 40m
Taipei City Taiwan Taoyuan Intl
Mon 5/24
9:10 pm-6:00 pm
Nonstop11h 50m
$900
Quickest round-trip
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Mon 9/7
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Sat 9/26
9:10 pm-6:00 pm
Nonstop11h 50m
$900
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sun 11/29
10:50 pm-5:30 am
Nonstop14h 40m
Taipei City Taiwan Taoyuan Intl
Thu 12/3
9:25 pm-4:50 pm
Nonstop11h 25m
$900
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Fri 9/4
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Fri 9/25
9:10 pm-6:00 pm
Nonstop11h 50m
$900
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Fri 9/4
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Sun 9/6
11:30 pm-12:14 pm
2 stops50h 44m
$919
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 7/23
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Mon 8/3
2:35 am-5:21 pm
2 stops28h 46m
$934
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-BKK
ONT-TPE
ONT-ICN
ONT-NRT
ONT-HKG
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-ICN
ONT-NRT
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 $1,452). 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 July 2, 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 72 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 July 2, 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.
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Boarding
8.9
Crew
9.2
Food
8.7
Comfort
8.9
Overall
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 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 July 2, 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 July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$930 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$509 | Average$1,088 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$611 | Average$793 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$646 | Average$946 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$647 | Average$1,209 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$651 | Average$1,030 | 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% |