$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 18 — May 251
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Thailand with Cheapflights
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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 18, 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 18, 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 lol.travel 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 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 stops26h 35m
Korean Air
Tue 5/129:50 am
BKK
- ONT
2 stops45h 20m
Korean Air
Deal found 4/16![Korean Air logo]()
$838
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Sun 5/1710:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/13![China Airlines logo]()
$850
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 9/1512:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Wed 9/301:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/13![China Airlines logo]()
$853
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 Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 5/201:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/12![China Airlines logo]()
$874
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 oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/312:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Thu 5/1410:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/13![China Airlines logo]()
$880
This Bravofly deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am
ONT
- BKK
2 stops24h 30m
Korean Air
Mon 11/29:40 am
BKK
- ONT
2 stops22h 37m
Korean Air
Deal found 4/14![Korean Air logo]()
$881
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 11/157:00 am
ONT
- CNX
2 stops24h 55m
Delta
Fri 12/412:15 am
CNX
- ONT
2 stops32h 02m
Delta
Deal found 4/15![Delta logo]()
$952
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 5/27:00 am
ONT
- HKT
2 stops25h 10m
Delta
Thu 5/1411:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/16![Delta logo]()
$990
This Korean Air deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 4/227:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Thu 4/3011:25 pm
HKT
- ONT
2 stops31h 50m
Korean Air
Deal found 4/14![Korean Air logo]()
$996
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 18, 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 18, 2026.
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 9/277:00 am
ONT
- BKK
2 stops26h 35m
Korean Air
Wed 9/302:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 4/13![Korean Air logo]()
$908
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.
Thu 9/107:00 am
ONT
- BKK
2 stops24h 45m
Delta
Sat 11/1411:15 pm
BKK
- ONT
2 stops31h 57m
Delta
Deal found 4/17![Delta logo]()
$982
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Sun 5/312:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Thu 5/147:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,118
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
Sun 9/272:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,164
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:30 pm
ONT
- BKK
2 stops54h 05m
United Airlines
Sat 5/163:45 pm
BKK
- ONT
2 stops34h 37m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,235
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:58 am
ONT
- HKT
2 stops29h 47m
Qatar Airways
Tue 9/298:30 pm
HKT
- ONT
2 stops36h 33m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,235
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.
Mon 5/47:00 am
ONT
- HKT
2 stops25h 10m
Delta
Sat 5/1611:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/16![Delta logo]()
$990
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 9/107:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Mon 9/1411:25 pm
HKT
- ONT
2 stops37h 15m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,008
This Korean Air deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 8/96:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Sat 9/1911:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/14![Korean Air logo]()
$1,008
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 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 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 Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 8/297:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Mon 9/711:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,008
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
Sun 9/201:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,164
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:20 pm
ONT
- BKK
2 stops27h 15m
United Airlines
Tue 9/297:00 am
BKK
- ONT
2 stops24h 47m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,293
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
Wed 9/1611:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/17![Korean Air logo]()
$1,037
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 10/1412:10 am
ONT
- CNX
1 stop20h 10m
Multiple Airlines
Sat 10/3110:10 am
CNX
- ONT
2 stops21h 40m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,268
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/13![China Airlines logo]()
$1,194
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:53 pm
ONT
- BKK
2 stops48h 42m
United Airlines
Sun 10/113:45 pm
BKK
- ONT
2 stops40h 02m
United Airlines
Deal found 4/15![United Airlines logo]()
$1,316
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/37:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Tue 5/1211:25 pm
HKT
- ONT
2 stops31h 45m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,046
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
Sat 5/212:10 am
ONT
- HKT
2 stops33h 25m
Multiple Airlines
Tue 5/127:30 am
HKT
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,274
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:50 pm
ONT
- BKK
2 stops39h 45m
Delta
Mon 6/159:40 pm
BKK
- ONT
2 stops39h 01m
Delta
Deal found 4/14![Delta logo]()
$1,341
This United 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 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
Sat 9/127:00 am
BKK
- ONT
2 stops25h 11m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,348
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:10 am
ONT
- HKT
2 stops29h 30m
Multiple Airlines
Sat 5/97:30 am
HKT
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,287
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 China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 8/1412:45 am
ONT
- CNX
2 stops28h 25m
China Airlines
Mon 9/711:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,339
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Mon 9/710:10 am
CNX
- ONT
2 stops22h 30m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,339
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:10 am
ONT
- DMK
2 stops24h 00m
Multiple Airlines
Tue 5/126:40 am
DMK
- ONT
2 stops25h 20m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,375
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 Mytrip deal was found by Cheapflights users on 4/12. 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 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 stops29h 30m
Multiple Airlines
Tue 5/1910:50 am
DMK
- ONT
2 stops21h 10m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,376
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated April 18, 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 Korean Air deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 4/227:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Thu 4/3011:25 pm
HKT
- ONT
2 stops31h 50m
Korean Air
Deal found 4/14![Korean Air logo]()
$996
This oojo deal was found by Cheapflights users on 4/12. 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.
Fri 4/2412:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Wed 5/65:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/12![China Airlines logo]()
$885
This lol.travel 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 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 stops26h 35m
Korean Air
Tue 5/129:50 am
BKK
- ONT
2 stops45h 20m
Korean Air
Deal found 4/16![Korean Air logo]()
$838
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Mon 5/111:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/13![China Airlines logo]()
$850
This oojo deal was found by Cheapflights users on 4/12. 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.
Sat 5/212:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Sun 5/175:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/12![China Airlines logo]()
$858
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 5/201:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/12![China Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/26:00 am
ONT
- BKK
2 stops27h 35m
Delta
Mon 5/119:50 am
BKK
- ONT
2 stops21h 20m
Delta
Deal found 4/14![Delta logo]()
$890
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 5/27:00 am
ONT
- HKT
2 stops25h 10m
Delta
Sat 5/1611:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/16![Delta logo]()
$990
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 oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/312:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Thu 5/1410:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/13![China Airlines logo]()
$880
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/37:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Tue 5/1211:25 pm
HKT
- ONT
2 stops31h 45m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,046
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 18, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated April 18, 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 4/16. 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 oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$476
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.
Fri 5/16:00 am
ONT
- BKK
2 stops25h 45m
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.
Thu 4/307:00 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 CheapOair deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 4/15![Korean Air logo]()
$487
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.
Mon 5/47:00 am
ONT
- BKK
2 stops26h 35m
Delta
Deal found 4/16![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 Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:55 am
ONT
- BKK
2 stops45h 50m
Delta
Deal found 4/15![Delta logo]()
$495
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 18, 2026.
Round-trip from | $827 (Orbitz) |
|---|---|
One-way from | $411 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $733 |
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 18, 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
Sun 9/27
7:00 am-11:35 pm
2 stops26h 35m
Bangkok Suvarnabhumi
Wed 9/30
2:35 am-5:16 pm
2 stops28h 41m
$908
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 9/10
7:00 am-9:45 pm
2 stops24h 45m
Bangkok Suvarnabhumi
Sat 11/14
11:15 pm-4:12 pm
2 stops31h 57m
$982
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Mon 5/4
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Sat 5/16
11:25 pm-5:10 pm
2 stops31h 45m
$990
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Thu 9/10
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Mon 9/14
11:25 pm-10:40 pm
2 stops37h 15m
$1,008
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sun 8/9
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Sat 9/19
11:25 pm-5:16 pm
2 stops31h 51m
$1,008
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sat 8/29
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Mon 9/7
11:25 pm-5:16 pm
2 stops31h 51m
$1,008
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 7/30
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Wed 9/16
11:25 pm-5:16 pm
2 stops31h 51m
$1,037
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sun 5/3
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Tue 5/12
11:25 pm-5:10 pm
2 stops31h 45m
$1,046
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sun 9/6
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Sun 9/13
11:25 pm-5:16 pm
2 stops31h 51m
$1,087
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-DMK
ONT-HKT
ONT-CNX
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-DMK
ONT-HKT
ONT-CNX
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 18, 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.
Boarding
9.0
Entertainment
8.8
Food
8.6
Overall
8.9
Comfort
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Entertainment
8.8
Food
8.6
Overall
8.9
Comfort
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Entertainment
8.8
Food
8.6
Overall
8.9
Comfort
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Entertainment
8.8
Food
8.6
Overall
8.9
Comfort
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Entertainment
8.8
Food
8.6
Overall
8.9
Comfort
8.9
Crew
9.2
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 18, 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 18, 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$958 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$818 | FlexibilityNo cancel fee | On-timeN/A |