$420+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Thailand with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to 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 July 24, 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 July 24, 2026.
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Tue 9/151:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$814
This Rumbo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Tue 9/1510:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 7/24![China Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ONT
- BKK
2 stops29h 05m
Delta
Tue 8/259:40 pm
BKK
- ONT
2 stops39h 05m
Delta
Deal found 7/24![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 9/236:20 am
ONT
- BKK
2 stops25h 25m
Delta
Wed 10/212:35 am
BKK
- ONT
2 stops34h 08m
Delta
Deal found 7/20![Delta logo]()
$821
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/3010:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/24![China Airlines logo]()
$822
This CheapOair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Tue 10/131:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 7/24![China Airlines logo]()
$825
This Korean Air deal was found by Cheapflights users on 7/20. 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 10/156:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 10/192:35 am
BKK
- ONT
2 stops28h 37m
Korean Air
Deal found 7/20![Korean Air logo]()
$826
This Gotogate deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/21:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/23![China Airlines logo]()
$829
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/3010:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/24![China Airlines logo]()
$830
This FlightHub deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Tue 10/272:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/24![China Airlines logo]()
$831
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Sun 8/3010:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 7/24![China Airlines logo]()
$834
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Fri 9/1111:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$851
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 July 24, 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 July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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 10/186:20 am
ONT
- BKK
2 stops28h 45m
Delta
Mon 11/99:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 7/20![Delta logo]()
$865
This China Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Thu 11/122:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/24![China Airlines logo]()
$913
This Korean Air deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 am
ONT
- BKK
2 stops25h 20m
Korean Air
Mon 2/811:15 pm
BKK
- ONT
2 stops29h 42m
Korean Air
Deal found 7/23![Korean Air logo]()
$920
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/111:33 pm
ONT
- BKK
2 stops30h 57m
United Airlines
Thu 1/284:55 pm
BKK
- ONT
2 stops21h 11m
United Airlines
Deal found 7/24![United Airlines logo]()
$953
This Mytrip deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Wed 10/287:30 am
DMK
- ONT
2 stops24h 35m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,093
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 11/56:20 am
ONT
- BKK
2 stops27h 25m
Delta
Fri 11/139:30 pm
BKK
- ONT
2 stops33h 42m
Delta
Deal found 7/19![Delta logo]()
$865
This China Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Wed 11/112:05 pm
BKK
- ONT
1 stop18h 00m
China Airlines
Deal found 7/24![China Airlines logo]()
$913
This Korean Air deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:00 am
ONT
- CNX
2 stops24h 55m
Korean Air
Wed 3/1012:15 am
CNX
- ONT
2 stops32h 02m
Korean Air
Deal found 7/22![Korean Air logo]()
$996
This China Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Thu 9/1011:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$914
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:20 am
ONT
- HKT
2 stops25h 50m
Delta
Wed 11/1811:40 pm
HKT
- ONT
2 stops38h 03m
Delta
Deal found 7/24![Delta logo]()
$970
This Korean Air deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Thu 9/311:25 pm
HKT
- ONT
2 stops37h 20m
Korean Air
Deal found 7/21![Korean Air logo]()
$1,020
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 am
ONT
- DMK
1 stop25h 55m
Multiple Airlines
Sun 10/47:25 am
DMK
- ONT
1 stop24h 35m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,147
This China Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 11/2810:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Tue 12/1510:55 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/20![China Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:20 am
ONT
- HKT
2 stops25h 50m
Delta
Thu 9/1711:25 pm
HKT
- ONT
2 stops37h 15m
Delta
Deal found 7/23![Delta logo]()
$1,059
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:45 pm
ONT
- DMK
1 stop35h 20m
Multiple Airlines
Sun 11/811:00 pm
DMK
- ONT
2 stops31h 55m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,188
This China Airlines deal was found by Cheapflights users on 7/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Thu 8/201:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/19![China Airlines logo]()
$1,012
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:30 pm
ONT
- DMK
1 stop34h 45m
Multiple Airlines
Sat 10/2411:00 pm
DMK
- ONT
2 stops33h 05m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,194
This China Airlines deal was found by Cheapflights users on 7/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Sat 10/31:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 7/19![China Airlines logo]()
$1,012
This China Airlines deal was found by Cheapflights users on 7/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Thu 8/201:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/19![China Airlines logo]()
$1,012
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 am
ONT
- DMK
1 stop33h 30m
Multiple Airlines
Sat 8/2211:00 pm
DMK
- ONT
2 stops33h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,229
This China Airlines deal was found by Cheapflights users on 7/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:50 pm
ONT
- HKT
2 stops24h 25m
Multiple Airlines
Thu 11/2610:20 am
HKT
- ONT
2 stops21h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,232
This China Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am
ONT
- CNX
2 stops42h 35m
China Airlines
Mon 9/1411:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$1,022
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/212:45 am
ONT
- DMK
1 stop25h 55m
Multiple Airlines
Tue 9/86:15 am
DMK
- ONT
1 stop26h 25m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,234
This China Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/410:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Sat 2/272:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/22![China Airlines logo]()
$1,068
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- KBV
2 stops42h 50m
Multiple Airlines
Wed 9/99:25 am
KBV
- ONT
2 stops21h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,239
This China Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Sun 2/72:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/23![China Airlines logo]()
$1,073
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 10/1012:10 am
ONT
- DMK
1 stop26h 30m
Multiple Airlines
Sat 10/176:15 am
DMK
- ONT
1 stop24h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,240
This China Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/710:50 pm
ONT
- CNX
1 stop20h 35m
China Airlines
Sun 3/711:25 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 7/22![China Airlines logo]()
$1,123
This China Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2810:50 pm
ONT
- CNX
2 stops23h 55m
Multiple Airlines
Mon 12/711:25 am
CNX
- ONT
1 stop20h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,247
This China Airlines deal was found by Cheapflights users on 7/20. 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 8/1912:45 am
ONT
- CNX
2 stops28h 25m
Multiple Airlines
Fri 11/2010:10 am
CNX
- ONT
2 stops21h 55m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,272
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated July 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:20 am
ONT
- BKK
2 stops27h 15m
Delta
Wed 9/22:35 am
BKK
- ONT
2 stops34h 59m
Delta
Deal found 7/24![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:20 am
ONT
- BKK
2 stops25h 25m
Delta
Wed 9/29:50 am
BKK
- ONT
2 stops26h 33m
Delta
Deal found 7/23![Delta logo]()
$821
This CheapOair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair 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
Mon 8/311:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$825
This FlightHub deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Sat 8/225:30 pm
BKK
- ONT
1 stop39h 10m
China Airlines
Deal found 7/24![China Airlines logo]()
$831
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Sun 8/3010:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 7/24![China Airlines logo]()
$834
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Fri 9/1111:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$851
This Gotogate deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/21:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/23![China Airlines logo]()
$829
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/3010:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/24![China Airlines logo]()
$830
This Rumbo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Tue 9/1510:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 7/24![China Airlines logo]()
$818
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Tue 9/151:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 7/24![China Airlines logo]()
$814
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/3010:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/24![China Airlines logo]()
$822
This Korean Air deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops28h 45m
Korean Air
Wed 9/22:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 7/23![Korean Air logo]()
$826
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 July 24, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- BKK
2 stops25h 45m
Delta
Deal found 7/24![Delta logo]()
$420
This Korean Air deal was found by Cheapflights users on 7/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 am
ONT
- BKK
2 stops24h 10m
Korean Air
Deal found 7/19![Korean Air logo]()
$421
This Korean Air deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am
ONT
- BKK
2 stops24h 10m
Korean Air
Deal found 7/23![Korean Air logo]()
$423
This Korean Air deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am
ONT
- CNX
2 stops24h 55m
Korean Air
Deal found 7/24![Korean Air logo]()
$423
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Deal found 7/24![China Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 am
ONT
- BKK
2 stops27h 25m
Delta
Deal found 7/23![Delta logo]()
$428
This Korean Air deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:20 am
ONT
- BKK
2 stops25h 10m
Korean Air
Deal found 7/23![Korean Air logo]()
$431
This Korean Air deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:20 am
ONT
- CNX
2 stops25h 35m
Korean Air
Deal found 7/24![Korean Air logo]()
$431
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Deal found 7/24![China Airlines logo]()
$433
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Deal found 7/23![China Airlines logo]()
$434
This SmartFares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Deal found 7/24![China Airlines logo]()
$435
This Booking.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 7/23![China Airlines logo]()
$438
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 July 24, 2026.
Round-trip from | $814 (Gotogate) |
|---|---|
One-way from | $420 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $905 |
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 July 24, 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 10/18
6:20 am-1:05 am
2 stops28h 45m
Bangkok Suvarnabhumi
Mon 11/9
9:40 am-4:12 pm
2 stops21h 32m
$865
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 11/5
6:20 am-12:45 am
2 stops27h 25m
Bangkok Suvarnabhumi
Fri 11/13
9:30 pm-4:12 pm
2 stops33h 42m
$865
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 10/28
11:50 pm-9:50 am
1 stop20h 00m
Bangkok Suvarnabhumi
Thu 11/12
2:35 am-5:05 pm
1 stop29h 30m
$913
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 11/1
10:50 pm-1:05 pm
1 stop23h 15m
Bangkok Suvarnabhumi
Wed 11/11
2:05 pm-5:05 pm
1 stop18h 00m
$913
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Mon 8/24
12:45 am-10:20 am
1 stop19h 35m
Chiang Mai
Thu 9/10
11:20 am-6:40 pm
1 stop21h 20m
$914
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Fri 1/15
7:00 am-11:20 pm
2 stops25h 20m
Bangkok Suvarnabhumi
Mon 2/8
11:15 pm-1:57 pm
2 stops29h 42m
$920
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 1/11
1:33 pm-11:30 am
2 stops30h 57m
Bangkok Suvarnabhumi
Thu 1/28
4:55 pm-11:06 pm
2 stops21h 11m
$953
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Mon 10/19
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Wed 11/18
11:40 pm-10:43 pm
2 stops38h 03m
$970
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Tue 1/5
7:00 am-10:55 pm
2 stops24h 55m
Chiang Mai
Wed 3/10
12:15 am-5:17 pm
2 stops32h 02m
$996
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sat 11/28
10:50 pm-9:50 am
1 stop20h 00m
Bangkok Suvarnabhumi
Tue 12/15
10:55 am-5:05 pm
1 stop21h 10m
$1,012
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-DMK
ONT-HKT
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-DMK
ONT-HKT
What is the cheapest month to book a flight from Ontario to Thailand?
Currently, January is the cheapest month in which you can book a flight from Ontario to Thailand (average of $764). Flying from Ontario to Thailand in December is currently the most expensive (average of $1,528). 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.
How far ahead should I book a flight from Ontario to Thailand?
The best time to book flights from Ontario to Thailand is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 July 24, 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
8.7
Food
8.6
Comfort
8.8
Crew
9.1
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.7
Food
8.6
Comfort
8.8
Crew
9.1
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.7
Food
8.6
Comfort
8.8
Crew
9.1
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.7
Food
8.6
Comfort
8.8
Crew
9.1
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.7
Food
8.6
Comfort
8.8
Crew
9.1
Boarding
8.9
Overall
8.8
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 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 July 24, 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$666 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$813 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$718 | Average$1,196 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$831 | FlexibilityNo cancel fee | On-timeN/A |