$411+ Cheap flights from Ontario (ONT) to Thailand
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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
May 21 — May 281
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to ThailandExplore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This Orbitz deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:02 pm
ONT
- BKK
2 stops27h 53m
Multiple Airlines
Sun 9/205:50 pm
BKK
- ONT
1 stop37h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$827
This flugladen.de deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:19 am
ONT
- BKK
2 stops33h 36m
Multiple Airlines
Mon 5/1810:50 am
BKK
- ONT
1 stop21h 10m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$862
This Expedia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
ONT
- BKK
2 stops50h 40m
Multiple Airlines
Sat 5/91:10 pm
BKK
- ONT
1 stop17h 55m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$879
This Kissandfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 4/277:00 am
ONT
- BKK
2 stops26h 35m
Korean Air
Tue 5/129:50 am
BKK
- ONT
2 stops45h 20m
Korean Air
Deal found 4/16![Korean Air logo]()
$884
This lol.travel deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 4/277:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Sun 5/109:40 pm
BKK
- ONT
2 stops33h 30m
Korean Air
Deal found 4/17![Korean Air logo]()
$885
This SmartFares deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 11/247:00 am
ONT
- BKK
2 stops25h 20m
Korean Air
Mon 12/711:15 pm
BKK
- ONT
2 stops33h 02m
Korean Air
Deal found 4/19![Korean Air logo]()
$887
This Orbitz deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:09 pm
ONT
- BKK
2 stops27h 46m
Multiple Airlines
Sun 10/49:05 pm
BKK
- ONT
2 stops39h 34m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$891
This lol.travel deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 11/247:00 am
ONT
- BKK
2 stops25h 20m
Korean Air
Mon 11/3012:55 am
BKK
- ONT
2 stops31h 22m
Korean Air
Deal found 4/18![Korean Air logo]()
$896
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am
ONT
- BKK
2 stops25h 45m
Delta
Wed 10/219:50 am
BKK
- ONT
2 stops21h 27m
Delta
Deal found 4/16![Delta logo]()
$903
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 9/197:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Fri 9/252:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 4/16![Korean Air logo]()
$908
This Orbitz deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am
ONT
- BKK
2 stops37h 10m
Multiple Airlines
Sun 11/85:40 pm
BKK
- ONT
1 stop37h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$918
This SmartFares deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 4/217:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Wed 5/1311:25 pm
HKT
- ONT
2 stops31h 45m
Korean Air
Deal found 4/18![Korean Air logo]()
$982
Best flights from Ontario to ThailandDiscover carefully curated flight deals from Ontario to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from Ontario to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/297:00 am
ONT
- BKK
2 stops24h 45m
Delta
Sun 11/19:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 4/16![Delta logo]()
$903
This Korean Air deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 9/37:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Wed 9/232:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 4/18![Korean Air logo]()
$937
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Mon 10/1911:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,140
This FlightHub deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:02 pm
ONT
- CNX
2 stops29h 18m
Multiple Airlines
Wed 9/2311:20 am
CNX
- ONT
1 stop20h 40m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 9/97:13 pm
ONT
- BKK
2 stops24h 22m
United Airlines
Thu 9/179:35 am
BKK
- ONT
2 stops24h 29m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,215
This oojo deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 10/1112:00 pm
ONT
- HKT
2 stops29h 45m
Qatar Airways
Sun 10/188:30 pm
HKT
- ONT
2 stops35h 43m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,297
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/297:00 am
ONT
- BKK
2 stops24h 45m
Delta
Wed 10/289:40 am
BKK
- ONT
2 stops21h 37m
Delta
Deal found 4/16![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 9/17:00 am
ONT
- BKK
2 stops24h 45m
Delta
Tue 9/229:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 4/18![Delta logo]()
$932
This Korean Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Sun 9/67:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Sun 9/1311:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/17![Korean Air logo]()
$1,087
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 9/37:00 am
ONT
- BKK
2 stops24h 45m
Delta
Tue 9/229:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 4/18![Delta logo]()
$932
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 9/1112:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Tue 9/221:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,164
This Korean Air deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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.
Sun 9/137:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Sun 9/2011:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/20![Korean Air logo]()
$1,087
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 pm
ONT
- BKK
2 stops41h 15m
Delta
Sun 11/812:55 am
BKK
- ONT
2 stops36h 48m
Delta
Deal found 4/17![Delta logo]()
$937
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 am
ONT
- CNX
2 stops29h 00m
Multiple Airlines
Mon 10/1910:10 am
CNX
- ONT
2 stops21h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,279
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 9/1112:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/2310:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,164
This Korean Air deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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.
Sun 9/67:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Thu 9/1011:25 pm
HKT
- ONT
2 stops37h 15m
Korean Air
Deal found 4/20![Korean Air logo]()
$1,137
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 9/912:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Fri 9/181:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,164
This Qatar Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 8/246:00 am
ONT
- CNX
3 stops41h 45m
Qatar Airways
Tue 9/18:00 pm
CNX
- ONT
3 stops37h 03m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,463
This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Tue 5/127:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,343
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/35:55 pm
ONT
- BKK
2 stops39h 40m
Delta
Mon 5/119:50 am
BKK
- ONT
2 stops27h 44m
Delta
Deal found 4/20![Delta logo]()
$1,022
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 9/912:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Mon 9/1411:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,194
This Korean Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 7/306:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Thu 9/311:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/17![Korean Air logo]()
$1,213
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
ONT
- HKT
2 stops25h 10m
Delta
Wed 9/2311:25 pm
HKT
- ONT
2 stops37h 15m
Delta
Deal found 4/20![Delta logo]()
$1,032
This Korean Air deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Sat 7/1811:25 pm
HKT
- ONT
2 stops31h 56m
Korean Air
Deal found 4/18![Korean Air logo]()
$1,213
This Mytrip deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:10 am
ONT
- DMK
2 stops32h 30m
Multiple Airlines
Thu 5/286:40 am
DMK
- ONT
2 stops25h 20m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,488
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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
- HKT
2 stops25h 50m
Delta
Tue 9/1511:25 pm
HKT
- ONT
2 stops37h 15m
Delta
Deal found 4/17![Delta logo]()
$1,032
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 9/37:00 am
ONT
- HKT
2 stops25h 10m
Delta
Mon 9/2111:25 pm
HKT
- ONT
2 stops37h 15m
Delta
Deal found 4/20![Delta logo]()
$1,032
This IEagle deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:57 pm
ONT
- DMK
3 stops30h 43m
Multiple Airlines
Sat 9/269:15 am
DMK
- ONT
3 stops40h 01m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,512
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
Sun 7/266:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Fri 8/1411:25 pm
HKT
- ONT
2 stops37h 15m
Korean Air
Deal found 4/16![Korean Air logo]()
$1,263
This China Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 9/2312:10 am
ONT
- KBV
2 stops42h 35m
China Airlines
Mon 9/289:25 am
KBV
- ONT
2 stops22h 35m
China Airlines
Deal found 4/20![China Airlines logo]()
$1,462
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated April 21, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
ONT
- BKK
2 stops50h 40m
Multiple Airlines
Sat 5/91:10 pm
BKK
- ONT
1 stop17h 55m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$879
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Tue 4/287:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,065
This SmartFares deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 4/217:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Wed 5/1311:25 pm
HKT
- ONT
2 stops31h 45m
Korean Air
Deal found 4/18![Korean Air logo]()
$982
This Kissandfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 4/277:00 am
ONT
- BKK
2 stops26h 35m
Korean Air
Tue 5/129:50 am
BKK
- ONT
2 stops45h 20m
Korean Air
Deal found 4/16![Korean Air logo]()
$884
This lol.travel deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 4/277:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Sun 5/109:40 pm
BKK
- ONT
2 stops33h 30m
Korean Air
Deal found 4/17![Korean Air logo]()
$885
This Korean Air deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 4/307:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Mon 5/252:35 am
BKK
- ONT
2 stops28h 35m
Korean Air
Deal found 4/20![Korean Air logo]()
$925
This Korean Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 4/307:00 am
ONT
- BKK
2 stops26h 35m
Korean Air
Wed 9/302:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 4/17![Korean Air logo]()
$937
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/27:00 am
ONT
- BKK
2 stops26h 35m
Delta
Tue 5/199:50 am
BKK
- ONT
2 stops21h 20m
Delta
Deal found 4/19![Delta logo]()
$969
This flugladen.de deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:19 am
ONT
- BKK
2 stops33h 36m
Multiple Airlines
Mon 5/1810:50 am
BKK
- ONT
1 stop21h 10m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/35:55 pm
ONT
- BKK
2 stops39h 40m
Delta
Mon 5/119:40 pm
BKK
- ONT
2 stops38h 54m
Delta
Deal found 4/16![Delta logo]()
$946
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 5/56:00 am
ONT
- BKK
2 stops27h 35m
Delta
Wed 5/2011:30 pm
BKK
- ONT
2 stops31h 40m
Delta
Deal found 4/19![Delta logo]()
$955
This SmartFares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/1312:10 am
ONT
- CNX
2 stops29h 00m
Multiple Airlines
Tue 6/211:20 am
CNX
- ONT
1 stop20h 40m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,228
One-way flights from Ontario to ThailandSearch for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 4/309:10 am
ONT
- BKK
2 stops43h 20m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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.
Sun 5/248:59 am
ONT
- BKK
3 stops55h 31m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:33 pm
ONT
- DMK
2 stops31h 22m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/66:20 am
ONT
- BKK
2 stops27h 15m
Delta
Deal found 4/16![Delta logo]()
$483
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 4/287:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 4/16![Korean Air logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 9/38:33 pm
ONT
- CNX
3 stops28h 02m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 8/36:00 am
ONT
- BKK
2 stops25h 45m
Delta
Deal found 4/17![Delta logo]()
$491
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 4/277:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 4/16![Korean Air logo]()
$494
This CheapOair deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
ONT
- BKK
2 stops26h 35m
Korean Air
Deal found 4/19![Korean Air logo]()
$495
This Trip.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 8/36:00 am
ONT
- BKK
2 stops29h 05m
Korean Air
Deal found 4/19![Korean Air logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 7/48:36 pm
ONT
- DMK
2 stops24h 49m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 9/58:33 pm
ONT
- CNX
3 stops34h 12m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$503
Find flight deals from Ontario to Thailand
Keep the following information in mind while searching for Ontario to Thailand flight deals. Data was last updated April 21, 2026.
Round-trip from | $827 (Orbitz) |
|---|---|
One-way from | $411 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $739 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Thailand 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 April 21, 2026.
Use the filters below to find and compare flights from Ontario to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sat 8/29
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Sun 11/1
9:40 am-5:12 pm
2 stops21h 32m
$903
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sat 8/29
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Wed 10/28
9:40 am-5:17 pm
2 stops21h 37m
$903
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 9/1
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Tue 9/22
9:50 am-10:40 pm
2 stops26h 50m
$932
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 9/3
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Tue 9/22
9:50 am-10:40 pm
2 stops26h 50m
$932
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 9/3
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Wed 9/23
2:35 am-5:16 pm
2 stops28h 41m
$937
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 10/18
5:50 pm-1:05 am
2 stops41h 15m
Bangkok Suvarnabhumi
Sun 11/8
12:55 am-10:43 pm
2 stops36h 48m
$937
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 5/3
5:55 pm-11:35 pm
2 stops39h 40m
Bangkok Suvarnabhumi
Mon 5/11
9:50 am-11:34 pm
2 stops27h 44m
$1,022
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Mon 9/7
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Wed 9/23
11:25 pm-10:40 pm
2 stops37h 15m
$1,032
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Tue 8/4
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Tue 9/15
11:25 pm-10:40 pm
2 stops37h 15m
$1,032
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Thu 9/3
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Mon 9/21
11:25 pm-10:40 pm
2 stops37h 15m
$1,032
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Ontario with our price prediction graph.
ONT-BKK
ONT-CNX
ONT-HKT
ONT-DMK
ONT-KBV
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 Thailand
ONT-TH0
ONT-BKK
ONT-CNX
ONT-HKT
ONT-DMK
What is the cheapest month to book a flight from Ontario to Thailand?
Currently, July is the cheapest month in which you can book a flight from Ontario to Thailand (average of $457). Flying from Ontario to Thailand in June is currently the most expensive (average of $906). 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.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated April 21, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,Korean Air, andChina Airlines from Ontario to Thailand to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.8
Food
8.6
Crew
9.2
Overall
8.9
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Food
8.6
Crew
9.2
Overall
8.9
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Food
8.6
Crew
9.2
Overall
8.9
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Food
8.6
Crew
9.2
Overall
8.9
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Food
8.6
Crew
9.2
Overall
8.9
Boarding
9.0
Comfort
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 Thailand. 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 Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Thailand by cabin class
Find flights from Ontario to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Thailand flights
Browse other Ontario and Thailand flight options. Last updated on April 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Thailand flights
Consider these flights traveling from Ontario to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 4 airlines flying from Ontario to Thailand
Discover the top 4 airlines that operate flights from Ontario to Thailand. 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 April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$660 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$616 | Average$783 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$717 | Average$1,160 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$819 | FlexibilityNo cancel fee | On-timeN/A |