$423+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
May 3 — May 101
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Thailand with Cheapflights
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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 April 3, 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 3, 2026.
This SmartFares deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Tue 9/2210:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/29![China Airlines logo]()
$777
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Wed 9/301:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/30![China Airlines logo]()
$778
This SmartFares deal was found by Cheapflights users on 3/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Tue 10/61:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/31![China Airlines logo]()
$781
This Gotogate deal was found by Cheapflights users on 3/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Mon 10/1210:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/29![China Airlines logo]()
$782
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 10/211:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/30![China Airlines logo]()
$784
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Fri 11/132:05 pm
BKK
- ONT
1 stop17h 45m
China Airlines
Deal found 3/31![China Airlines logo]()
$785
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate 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
Fri 11/1310:55 am
BKK
- ONT
1 stop20h 55m
China Airlines
Deal found 3/31![China Airlines logo]()
$787
This Delta deal was found by Cheapflights users on 3/30. 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 5/16:00 am
ONT
- BKK
2 stops41h 35m
Delta
Thu 5/149:40 pm
BKK
- ONT
2 stops33h 30m
Delta
Deal found 3/30![Delta logo]()
$789
This Gotogate deal was found by Cheapflights users on 3/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Wed 9/301:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/29![China Airlines logo]()
$790
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Mon 10/262:05 pm
BKK
- ONT
1 stop17h 45m
China Airlines
Deal found 3/31![China Airlines logo]()
$792
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Wed 9/2310:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/30![China Airlines logo]()
$793
This Korean Air deal was found by Cheapflights users on 3/30. 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.
Sat 4/257:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Fri 5/159:40 pm
BKK
- ONT
2 stops33h 25m
Korean Air
Deal found 3/30![Korean Air logo]()
$795
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 3, 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 3, 2026.
This Korean Air deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
ONT
- BKK
2 stops28h 05m
Korean Air
Fri 9/119:40 pm
BKK
- ONT
2 stops39h 00m
Korean Air
Deal found 3/29![Korean Air logo]()
$857
This China Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Thu 9/102:40 am
BKK
- ONT
1 stop30h 00m
China Airlines
Deal found 3/29![China Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 4/2611:05 am
ONT
- BKK
2 stops32h 30m
United Airlines
Fri 5/153:45 pm
BKK
- ONT
2 stops40h 07m
United Airlines
Deal found 3/31![United Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 am
ONT
- HKT
2 stops25h 10m
Delta
Wed 9/3011:25 pm
HKT
- ONT
2 stops31h 51m
Delta
Deal found 4/1![Delta logo]()
$1,001
This China Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:10 am
ONT
- KBV
2 stops42h 35m
Multiple Airlines
Thu 10/19:25 am
KBV
- ONT
2 stops22h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,049
This Etihad Airways deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:41 pm
ONT
- HKT
2 stops35h 14m
Etihad Airways
Sun 5/313:20 pm
HKT
- ONT
2 stops43h 27m
Etihad Airways
Deal found 4/3![Etihad Airways logo]()
$1,118
This Korean Air deal was found by Cheapflights users on 3/31. 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 7/236:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 8/232:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 3/31![Korean Air logo]()
$887
This China Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Sun 9/271:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/2![China Airlines logo]()
$927
This Korean Air deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 3/29![Korean Air logo]()
$907
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 am
ONT
- BKK
2 stops26h 35m
Delta
Fri 5/19:40 pm
BKK
- ONT
2 stops38h 57m
Delta
Deal found 3/29![Delta logo]()
$1,034
This China Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Sun 5/105:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/2![China Airlines logo]()
$955
This China Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:45 am
ONT
- BKK
2 stops22h 35m
Multiple Airlines
Wed 12/305:50 pm
BKK
- ONT
1 stop38h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,051
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:59 pm
ONT
- BKK
2 stops43h 36m
United Airlines
Sun 5/173:45 pm
BKK
- ONT
2 stops34h 37m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,095
This Korean Air deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Sat 9/1211:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 3/29![Korean Air logo]()
$907
This China Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Mon 9/2111:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/1![China Airlines logo]()
$957
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 am
ONT
- HKT
2 stops25h 10m
Delta
Thu 10/111:25 pm
HKT
- ONT
2 stops31h 51m
Delta
Deal found 4/1![Delta logo]()
$1,116
This Korean Air deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Multiple Airlines
Fri 9/1811:25 pm
HKT
- ONT
2 stops31h 51m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,121
This China Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/2812:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Tue 5/1911:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/3![China Airlines logo]()
$965
This Korean Air deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Sat 10/311:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/1![Korean Air logo]()
$1,007
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:45 am
ONT
- DMK
2 stops44h 40m
Multiple Airlines
Mon 8/246:15 am
DMK
- ONT
1 stop26h 25m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,152
This China Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/1812:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Wed 5/1311:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/3![China Airlines logo]()
$985
This Korean Air deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Sat 9/1211:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/1![Korean Air logo]()
$1,072
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Tue 9/1512:10 am
ONT
- DMK
2 stops25h 20m
Multiple Airlines
Sun 9/277:25 am
DMK
- ONT
1 stop24h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,222
This Korean Air deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Thu 10/111:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/1![Korean Air logo]()
$1,087
This China Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/2712:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Mon 5/1810:10 am
CNX
- ONT
2 stops21h 50m
China Airlines
Deal found 4/3![China Airlines logo]()
$1,087
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:10 am
ONT
- DMK
1 stop29h 20m
Multiple Airlines
Sun 5/177:25 pm
DMK
- ONT
2 stops36h 35m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,234
This China Airlines deal was found by Cheapflights users on 3/30. 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 9/912:45 am
ONT
- KBV
2 stops42h 00m
China Airlines
Mon 9/149:25 am
KBV
- ONT
2 stops23h 15m
China Airlines
Deal found 3/30![China Airlines logo]()
$1,097
This Korean Air deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:45 am
ONT
- HKT
2 stops25h 25m
Korean Air
Thu 6/411:25 pm
HKT
- ONT
2 stops31h 43m
Korean Air
Deal found 4/1![Korean Air logo]()
$1,124
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
Wed 4/2212:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Thu 5/77:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,238
This China Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:10 am
ONT
- CNX
2 stops47h 35m
China Airlines
Fri 7/1711:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/2![China Airlines logo]()
$1,119
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated April 3, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Thu 9/241:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/2![China Airlines logo]()
$833
This Korean Air deal was found by Cheapflights users on 3/30. 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.
Sat 4/257:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Fri 5/159:40 pm
BKK
- ONT
2 stops33h 25m
Korean Air
Deal found 3/30![Korean Air logo]()
$795
This oojo deal was found by Cheapflights users on 3/30. 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 4/2512:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Thu 5/2110:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/30![China Airlines logo]()
$839
This flugladen.de deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Tue 5/121:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/2![China Airlines logo]()
$840
This flugladen.de deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/2612:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Sun 5/105:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/3![China Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 3/29. 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 4/2712:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 5/132:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 3/29![China Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 3/30. 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 5/16:00 am
ONT
- BKK
2 stops41h 35m
Delta
Thu 5/149:40 pm
BKK
- ONT
2 stops33h 30m
Delta
Deal found 3/30![Delta logo]()
$789
This oojo deal was found by Cheapflights users on 3/31. 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 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 stop22h 00m
China Airlines
Mon 5/1810:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/31![China Airlines logo]()
$822
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub 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
Tue 5/191:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/30![China Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 3/30. 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.
Sun 5/312:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Mon 5/1810:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 3/30![China Airlines logo]()
$818
This oojo deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stop22h 00m
China Airlines
Wed 5/205:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/1![China Airlines logo]()
$838
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Sat 5/231:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 3/30![China Airlines logo]()
$832
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 3, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This SmartFares deal was found by Cheapflights users on 3/29. 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.
Thu 9/247:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 3/29![Korean Air logo]()
$423
This Delta deal was found by Cheapflights users on 3/30. 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.
Mon 8/107:00 am
ONT
- BKK
2 stops26h 35m
Delta
Deal found 3/30![Delta logo]()
$433
This Korean Air deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 3/29![Korean Air logo]()
$434
This Korean Air deal was found by Cheapflights users on 3/31. 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.
Tue 9/227:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 3/31![Korean Air logo]()
$436
This SmartFares deal was found by Cheapflights users on 3/29. 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 5/612:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 3/29![China Airlines logo]()
$437
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 3/31![China Airlines logo]()
$445
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Deal found 3/31![China Airlines logo]()
$446
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Deal found 3/31![China Airlines logo]()
$447
This Trip.com deal was found by Cheapflights users on 3/29. 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.
Wed 9/2312:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Deal found 3/29![China Airlines logo]()
$453
This Trip.com deal was found by Cheapflights users on 3/29. 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.
Sun 9/1312:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 3/29![China Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
ONT
- BKK
2 stops40h 35m
Delta
Deal found 3/30![Delta logo]()
$458
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Deal found 3/30![China Airlines logo]()
$474
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 3, 2026.
Round-trip from | $777 (SmartFares) |
|---|---|
One-way from | $423 (SmartFares) |
Popular in | June |
Cheapest in | September |
Average price | $743 |
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 3, 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 9/8
7:00 am-1:05 am
2 stops28h 05m
Bangkok Suvarnabhumi
Fri 9/11
9:40 pm-10:40 pm
2 stops39h 00m
$857
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Mon 9/7
12:45 am-4:20 pm
1 stop25h 35m
Bangkok Suvarnabhumi
Thu 9/10
2:40 am-6:40 pm
1 stop30h 00m
$861
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 7/23
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Sun 8/23
2:35 am-5:16 pm
2 stops28h 41m
$887
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
$907
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Fri 9/4
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Sat 9/12
11:25 pm-5:16 pm
2 stops31h 51m
$907
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 4/26
11:05 am-9:35 am
2 stops32h 30m
Bangkok Suvarnabhumi
Fri 5/15
3:45 pm-5:52 pm
2 stops40h 07m
$922
Quickest round-trip
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Fri 9/4
12:45 am-9:45 am
1 stop19h 00m
Bangkok Suvarnabhumi
Sun 9/27
1:20 pm-6:00 pm
1 stop18h 40m
$927
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 4/21
12:10 am-9:45 am
1 stop19h 35m
Bangkok Suvarnabhumi
Sun 5/10
5:30 pm-6:00 pm
1 stop38h 30m
$955
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Wed 9/16
12:10 am-10:20 am
1 stop20h 10m
Chiang Mai
Mon 9/21
11:20 am-6:00 pm
1 stop20h 40m
$957
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Tue 4/28
12:10 am-10:20 am
1 stop20h 10m
Chiang Mai
Tue 5/19
11:20 am-6:00 pm
1 stop20h 40m
$965
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Ontario with our price prediction graph.
ONT-BKK
ONT-CNX
ONT-HKT
ONT-KBV
ONT-DMK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Thailand
ONT-TH0
ONT-BKK
ONT-CNX
ONT-HKT
ONT-KBV
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 $503). Flying from Ontario to Thailand in June is currently the most expensive (average of $736). 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 3, 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.
Comfort
8.9
Food
8.7
Overall
8.9
Crew
9.2
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.7
Overall
8.9
Crew
9.2
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.7
Overall
8.9
Crew
9.2
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.7
Overall
8.9
Crew
9.2
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.7
Overall
8.9
Crew
9.2
Boarding
9.0
Entertainment
8.8
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 3, 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 3, 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$718 | Average$895 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$817 | FlexibilityNo cancel fee | On-timeN/A |