$376+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Aug 30 — Sep 61
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 July 31, 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 31, 2026.
This lol.travel deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 9/142:35 am
BKK
- ONT
2 stops34h 05m
Korean Air
Deal found 7/28![Korean Air logo]()
$757
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Sun 10/255:40 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$758
This Vliegwinkel deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Sun 9/135:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/31![STARLUX Airlines logo]()
$762
This Bravofly deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Thu 9/1711:30 pm
BKK
- ONT
2 stops37h 10m
Korean Air
Deal found 7/27![Korean Air logo]()
$765
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$772
This Kissandfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Sat 9/191:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$773
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Fri 10/161:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 8/275:50 pm
BKK
- ONT
1 stop37h 50m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$775
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Sun 9/135:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$777
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 pm
ONT
- BKK
1 stop27h 10m
STARLUX Airlines
Tue 11/35:40 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 9/105:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$779
This Korean Air deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:04 am
ONT
- CNX
2 stops24h 51m
Korean Air
Tue 2/2312:15 am
CNX
- ONT
2 stops28h 42m
Korean Air
Deal found 7/30![Korean Air logo]()
$826
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 31, 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 31, 2026.
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ONT
- BKK
2 stops25h 45m
Delta
Tue 9/292:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 7/27![Delta logo]()
$820
This China Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 2/212:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/30![China Airlines logo]()
$913
This Korean Air deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/296:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Mon 11/211:40 pm
HKT
- ONT
2 stops32h 32m
Korean Air
Deal found 7/31![Korean Air logo]()
$926
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/196:00 am
ONT
- BKK
2 stops27h 20m
United Airlines
Tue 2/169:10 am
BKK
- ONT
2 stops23h 37m
United Airlines
Deal found 7/31![United Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/112:10 am
ONT
- CNX
2 stops27h 45m
Multiple Airlines
Sun 10/117:00 am
CNX
- ONT
2 stops25h 00m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,014
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/286:00 am
ONT
- BKK
2 stops27h 35m
Delta
Mon 11/1612:55 am
BKK
- ONT
2 stops37h 05m
Delta
Deal found 7/31![Delta logo]()
$821
This China Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Wed 12/22:05 pm
BKK
- ONT
1 stop18h 00m
China Airlines
Deal found 7/31![China Airlines logo]()
$913
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/146:00 am
ONT
- BKK
2 stops24h 30m
Delta
Sun 2/79:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 7/31![Delta logo]()
$833
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/41:35 pm
ONT
- BKK
2 stops30h 55m
United Airlines
Tue 11/247:10 am
BKK
- ONT
2 stops23h 23m
United Airlines
Deal found 7/31![United Airlines logo]()
$936
This Korean Air deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 7/28![Korean Air logo]()
$938
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:56 pm
ONT
- BKK
2 stops48h 39m
United Airlines
Sun 10/119:35 am
BKK
- ONT
2 stops48h 56m
United Airlines
Deal found 7/30![United Airlines logo]()
$938
This Korean Air deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Thu 3/2511:40 pm
HKT
- ONT
2 stops31h 37m
Korean Air
Deal found 7/30![Korean Air logo]()
$938
This China Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Thu 1/282:05 pm
BKK
- ONT
1 stop18h 00m
China Airlines
Deal found 7/30![China Airlines logo]()
$943
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:45 am
ONT
- DMK
1 stop28h 45m
Multiple Airlines
Mon 9/77:25 am
DMK
- ONT
1 stop25h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,043
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:20 am
ONT
- BKK
2 stops41h 15m
Delta
Fri 10/232:35 am
BKK
- ONT
2 stops28h 37m
Delta
Deal found 7/30![Delta logo]()
$895
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am
ONT
- BKK
2 stops27h 20m
United Airlines
Thu 12/109:10 am
BKK
- ONT
2 stops23h 37m
United Airlines
Deal found 7/29![United Airlines logo]()
$941
This China Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/1810:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Wed 11/252:35 am
BKK
- ONT
1 stop29h 30m
China Airlines
Deal found 7/31![China Airlines logo]()
$943
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 30m
Multiple Airlines
Tue 11/36:55 am
DMK
- ONT
2 stops25h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,051
This Korean Air deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am
ONT
- HKT
2 stops25h 50m
Korean Air
Sun 10/2511:40 pm
HKT
- ONT
2 stops38h 15m
Korean Air
Deal found 7/30![Korean Air logo]()
$976
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:20 am
ONT
- HKT
2 stops25h 50m
Delta
Thu 9/1711:25 pm
HKT
- ONT
2 stops37h 15m
Delta
Deal found 7/27![Delta logo]()
$944
This China Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines 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 7/30![China Airlines logo]()
$963
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 pm
ONT
- DMK
1 stop27h 10m
Multiple Airlines
Mon 11/26:20 am
DMK
- ONT
1 stop24h 35m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,065
This China Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/612:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Thu 9/1011:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/31![China Airlines logo]()
$963
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am
ONT
- DMK
2 stops24h 00m
Multiple Airlines
Tue 9/158:05 am
DMK
- ONT
2 stops24h 35m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,069
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:01 pm
ONT
- HKT
2 stops38h 09m
Delta
Sun 10/2511:40 pm
HKT
- ONT
2 stops38h 15m
Delta
Deal found 7/30![Delta logo]()
$1,051
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/511:55 pm
ONT
- DMK
1 stop34h 20m
Multiple Airlines
Wed 8/266:15 am
DMK
- ONT
1 stop25h 25m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,092
This China Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Thu 9/1711:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 7/30![China Airlines logo]()
$1,023
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:01 pm
ONT
- HKT
2 stops38h 09m
Delta
Sat 10/2411:25 pm
HKT
- ONT
2 stops37h 18m
Delta
Deal found 7/30![Delta logo]()
$1,063
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- DMK
1 stop25h 55m
Multiple Airlines
Tue 9/156:15 am
DMK
- ONT
1 stop26h 25m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,100
This China Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Wed 10/2811:25 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 7/28![China Airlines logo]()
$1,053
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated July 31, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 8/275:50 pm
BKK
- ONT
1 stop37h 50m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$775
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 9/105:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$779
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Wed 8/261:10 pm
BKK
- ONT
1 stop18h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$795
This Justfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Fri 9/41:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Wed 8/261:10 pm
BKK
- ONT
1 stop18h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$784
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Sun 9/135:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$777
This Justfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com 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
Mon 9/1411:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/30![China Airlines logo]()
$921
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Mon 9/1411:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 7/29![China Airlines logo]()
$865
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$781
This lol.travel deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 9/142:35 am
BKK
- ONT
2 stops34h 05m
Korean Air
Deal found 7/28![Korean Air logo]()
$757
This Vliegwinkel deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Sun 9/135:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/31![STARLUX Airlines logo]()
$762
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$772
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 31, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Jettzy deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:45 pm
ONT
- BKK
1 stop23h 50m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$376
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$384
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$385
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$386
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:30 pm
ONT
- BKK
1 stop27h 10m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$387
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:45 am
ONT
- BKK
1 stop34h 40m
China Airlines
Deal found 7/29![China Airlines logo]()
$390
This SmartFares deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Deal found 7/28![Korean Air logo]()
$394
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$398
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:45 pm
ONT
- BKK
1 stop27h 45m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$400
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:45 am
ONT
- BKK
1 stop34h 40m
China Airlines
Deal found 7/28![China Airlines logo]()
$401
This Jetabroad deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$402
This SmartFares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Deal found 7/27![China Airlines logo]()
$444
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 31, 2026.
Round-trip from | $757 (lol.travel) |
|---|---|
One-way from | $376 (Jettzy) |
Popular in | December |
Cheapest in | March |
Average price | $910 |
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 31, 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
Tue 9/1
6:00 am-9:45 pm
2 stops25h 45m
Bangkok Suvarnabhumi
Tue 9/29
2:35 am-10:40 pm
2 stops34h 05m
$820
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 9/28
6:00 am-11:35 pm
2 stops27h 35m
Bangkok Suvarnabhumi
Mon 11/16
12:55 am-11:00 pm
2 stops37h 05m
$821
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 1/14
6:00 am-9:30 pm
2 stops24h 30m
Bangkok Suvarnabhumi
Sun 2/7
9:40 am-4:12 pm
2 stops21h 32m
$833
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Fri 10/16
6:20 am-1:35 pm
2 stops41h 15m
Bangkok Suvarnabhumi
Fri 10/23
2:35 am-5:12 pm
2 stops28h 37m
$895
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sat 11/28
10:50 pm-9:50 am
1 stop20h 00m
Bangkok Suvarnabhumi
Sun 2/21
2:35 am-5:05 pm
1 stop29h 30m
$913
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 11/23
10:50 pm-1:05 pm
1 stop23h 15m
Bangkok Suvarnabhumi
Wed 12/2
2:05 pm-5:05 pm
1 stop18h 00m
$913
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Thu 10/29
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Mon 11/2
11:40 pm-5:12 pm
2 stops32h 32m
$926
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 1/19
6:00 am-12:20 am
2 stops27h 20m
Bangkok Suvarnabhumi
Tue 2/16
9:10 am-5:47 pm
2 stops23h 37m
$929
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 11/4
1:35 pm-11:30 am
2 stops30h 55m
Bangkok Suvarnabhumi
Tue 11/24
7:10 am-3:33 pm
2 stops23h 23m
$936
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Mon 8/31
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Thu 9/3
11:25 pm-10:45 pm
2 stops37h 20m
$938
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-HKT
ONT-CNX
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-HKT
ONT-CNX
ONT-DMK
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 31, 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
Overall
8.8
Comfort
8.8
Food
8.6
Boarding
8.9
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Entertainment
8.7
Overall
8.8
Comfort
8.8
Food
8.6
Boarding
8.9
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Entertainment
8.7
Overall
8.8
Comfort
8.8
Food
8.6
Boarding
8.9
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Entertainment
8.7
Overall
8.8
Comfort
8.8
Food
8.6
Boarding
8.9
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Entertainment
8.7
Overall
8.8
Comfort
8.8
Food
8.6
Boarding
8.9
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
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 31, 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 31, 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$1,198 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$835 | FlexibilityNo cancel fee | On-timeN/A |