$459+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
May 10 — May 171
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to ThailandExplore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 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 10, 2026.
This SmartFares deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 9/1012:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Fri 9/251:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/8![China Airlines logo]()
$823
This Vliegwinkel deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
Wed 5/612:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Wed 5/205:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/7![China Airlines logo]()
$825
This SmartFares deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 10/612:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Tue 10/201:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/7![China Airlines logo]()
$832
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 10/2112:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Sun 11/15:50 pm
BKK
- ONT
1 stop38h 00m
China Airlines
Deal found 4/6![China Airlines logo]()
$833
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 11/110:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Mon 11/162:05 pm
BKK
- ONT
1 stop17h 45m
China Airlines
Deal found 4/9![China Airlines logo]()
$835
This SmartFares deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 10/612:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Tue 10/202:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/9![China Airlines logo]()
$836
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/2612:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 5/131:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/6![China Airlines logo]()
$839
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/3012:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Thu 5/212:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/9![China Airlines logo]()
$840
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 stop26h 10m
China Airlines
Mon 5/111:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/9![China Airlines logo]()
$841
This Gotogate deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Tue 11/310:50 pm
ONT
- BKK
1 stop23h 15m
China Airlines
Wed 11/252:05 pm
BKK
- ONT
1 stop17h 45m
China Airlines
Deal found 4/5![China Airlines logo]()
$845
This CrystalTravel deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:50 pm
ONT
- BKK
1 stop20h 00m
China Airlines
Fri 11/132:05 pm
BKK
- ONT
1 stop17h 45m
China Airlines
Deal found 4/8![China Airlines logo]()
$848
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Sat 9/1211:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/6![China Airlines logo]()
$877
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 10, 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 10, 2026.
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 stops29h 05m
Delta
Tue 9/159:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 4/9![Delta logo]()
$903
This Korean Air deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am
ONT
- BKK
2 stops28h 05m
Korean Air
Wed 9/302:35 am
BKK
- ONT
2 stops28h 41m
Korean Air
Deal found 4/6![Korean Air logo]()
$947
This China Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/2712:10 am
ONT
- CNX
1 stop20h 10m
China Airlines
Thu 10/111:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/5![China Airlines logo]()
$957
This Mytrip deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
- HKT
2 stops29h 30m
Multiple Airlines
Sun 5/1710:15 pm
HKT
- ONT
2 stops33h 45m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,014
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/227:13 pm
ONT
- BKK
2 stops24h 22m
United Airlines
Tue 9/297:00 am
BKK
- ONT
2 stops24h 47m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,018
This oojo deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/87:57 pm
ONT
- CNX
2 stops24h 28m
EVA Air
Tue 9/2211:35 am
CNX
- ONT
2 stops37h 41m
EVA Air
Deal found 4/5![EVA Air logo]()
$1,085
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 9/157:00 am
ONT
- BKK
2 stops28h 05m
Delta
Thu 10/19:50 am
BKK
- ONT
2 stops21h 26m
Delta
Deal found 4/9![Delta logo]()
$903
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Mon 9/1411:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/7![China Airlines logo]()
$957
This Korean Air deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Mon 9/1411:25 pm
HKT
- ONT
2 stops37h 15m
Korean Air
Deal found 4/7![Korean Air logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/206:00 am
ONT
- BKK
2 stops37h 35m
United Airlines
Wed 5/63:45 pm
BKK
- ONT
2 stops34h 37m
United Airlines
Deal found 4/6![United Airlines logo]()
$1,022
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/307:00 am
ONT
- BKK
2 stops40h 35m
Delta
Sat 5/99:50 am
BKK
- ONT
2 stops26h 44m
Delta
Deal found 4/5![Delta logo]()
$960
This oojo deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 8/912:45 am
ONT
- CNX
1 stop19h 35m
China Airlines
Mon 8/1711:20 am
CNX
- ONT
1 stop21h 20m
China Airlines
Deal found 4/5![China Airlines logo]()
$975
This Mytrip deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:10 am
ONT
- DMK
2 stops27h 25m
Multiple Airlines
Wed 5/67:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:30 pm
ONT
- BKK
2 stops54h 05m
United Airlines
Thu 5/143:45 pm
BKK
- ONT
2 stops55h 56m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,034
This Korean Air deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/167:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Wed 9/3011:25 pm
HKT
- ONT
2 stops31h 51m
Korean Air
Deal found 4/5![Korean Air logo]()
$1,057
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
ONT
- HKT
2 stops26h 10m
Delta
Tue 5/1211:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/7![Delta logo]()
$990
This Gotogate deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/712:45 am
ONT
- CNX
2 stops28h 25m
China Airlines
Tue 9/2211:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/5![China Airlines logo]()
$1,001
This Mytrip deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:10 am
ONT
- DMK
1 stop29h 20m
Multiple Airlines
Fri 5/86:15 am
DMK
- ONT
1 stop25h 45m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,110
This Korean Air deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/47:00 am
ONT
- HKT
2 stops25h 10m
Korean Air
Wed 5/1311:25 pm
HKT
- ONT
2 stops31h 45m
Korean Air
Deal found 4/7![Korean Air logo]()
$1,075
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- HKT
2 stops25h 10m
Delta
Thu 5/1411:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/7![Delta logo]()
$990
This SmartFares deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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.
Sun 5/312:10 am
ONT
- HKT
2 stops28h 20m
Multiple Airlines
Tue 5/127:35 am
HKT
- ONT
2 stops24h 25m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,139
This China Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 10/612:10 am
ONT
- BKK
2 stops23h 10m
China Airlines
Wed 10/2110:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/9![China Airlines logo]()
$1,070
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
ONT
- HKT
2 stops26h 10m
Delta
Thu 5/1411:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/7![Delta logo]()
$990
This Korean Air deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 stops26h 35m
Korean Air
Fri 5/299:50 am
BKK
- ONT
2 stops21h 20m
Korean Air
Deal found 4/5![Korean Air logo]()
$1,130
This SmartFares deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 9/1612:10 am
ONT
- HKT
2 stops28h 20m
Multiple Airlines
Mon 9/217:35 am
HKT
- ONT
2 stops24h 25m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$1,142
This China Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/1212:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Wed 6/35:50 pm
BKK
- ONT
2 stops38h 10m
China Airlines
Deal found 4/9![China Airlines logo]()
$1,092
This Mytrip deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:10 am
ONT
- DMK
2 stops32h 55m
Multiple Airlines
Mon 5/117:30 am
DMK
- ONT
2 stops24h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,153
This Korean Air deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 7/166:00 am
ONT
- BKK
2 stops29h 05m
Korean Air
Sat 7/252:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 4/6![Korean Air logo]()
$1,227
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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
- KBV
2 stops42h 35m
Multiple Airlines
Wed 5/139:25 am
KBV
- ONT
2 stops22h 35m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,169
This China Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 am
ONT
- KBV
2 stops42h 35m
China Airlines
Mon 9/289:25 am
KBV
- ONT
2 stops22h 35m
China Airlines
Deal found 4/8![China Airlines logo]()
$1,180
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated April 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/2312:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Sun 8/3010:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 4/7![China Airlines logo]()
$851
This Vliegwinkel deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
Thu 4/2312:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Thu 5/72:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/7![China Airlines logo]()
$866
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 4/2612:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 5/131:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/6![China Airlines logo]()
$839
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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
- CNX
1 stop20h 10m
China Airlines
Mon 5/1111:20 am
CNX
- ONT
1 stop20h 40m
China Airlines
Deal found 4/8![China Airlines logo]()
$884
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/2912:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Thu 11/195:50 pm
BKK
- ONT
1 stop38h 00m
China Airlines
Deal found 4/9![China Airlines logo]()
$853
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 4/3012:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Thu 5/212:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/9![China Airlines logo]()
$840
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 stop26h 10m
China Airlines
Mon 5/111:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/9![China Airlines logo]()
$841
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
ONT
- HKT
2 stops26h 10m
Delta
Thu 5/1411:25 pm
HKT
- ONT
2 stops31h 45m
Delta
Deal found 4/7![Delta logo]()
$990
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/412:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Tue 6/210:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 4/8![China Airlines logo]()
$858
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/512:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Thu 9/31:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Deal found 4/8![China Airlines logo]()
$852
This Vliegwinkel deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
Wed 5/612:10 am
ONT
- BKK
1 stop35h 15m
China Airlines
Wed 5/205:30 pm
BKK
- ONT
1 stop38h 30m
China Airlines
Deal found 4/7![China Airlines logo]()
$825
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/1212:10 am
ONT
- BKK
1 stop26h 10m
China Airlines
Thu 9/310:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Deal found 4/6![China Airlines logo]()
$869
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 10, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This iWofly deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am
ONT
- BKK
2 stops28h 05m
Korean Air
Deal found 4/7![Korean Air logo]()
$459
This SmartFares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 9/107:00 am
ONT
- BKK
2 stops24h 45m
Korean Air
Deal found 4/6![Korean Air logo]()
$464
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 stop26h 10m
China Airlines
Deal found 4/9![China Airlines logo]()
$466
This oojo deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/1412:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Deal found 4/5![China Airlines logo]()
$469
This SmartFares deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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.
Sun 8/212:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/10![China Airlines logo]()
$472
This SmartFares deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 10/312:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/8![China Airlines logo]()
$475
This FlightHub deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 8/3112:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/6![China Airlines logo]()
$477
This Gotogate deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/1912:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/5![China Airlines logo]()
$478
This Trip.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 8/112:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Deal found 4/6![China Airlines logo]()
$479
This Korean Air deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 stops24h 45m
Korean Air
Deal found 4/9![Korean Air logo]()
$482
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 stops26h 35m
Delta
Deal found 4/5![Delta logo]()
$483
This iWofly deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly 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 4/5![Korean Air logo]()
$484
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 10, 2026.
Round-trip from | $823 (SmartFares) |
|---|---|
One-way from | $459 (iWofly) |
Popular in | December |
Cheapest in | September |
Average price | $733 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 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-1:05 am
2 stops29h 05m
Bangkok Suvarnabhumi
Tue 9/15
9:50 am-10:40 pm
2 stops26h 50m
$903
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 9/15
7:00 am-1:05 am
2 stops28h 05m
Bangkok Suvarnabhumi
Thu 10/1
9:50 am-5:16 pm
2 stops21h 26m
$903
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 9/27
7:00 am-1:05 am
2 stops28h 05m
Bangkok Suvarnabhumi
Wed 9/30
2:35 am-5:16 pm
2 stops28h 41m
$947
Quickest round-trip
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Sun 9/27
12:10 am-10:20 am
1 stop20h 10m
Chiang Mai
Thu 10/1
11:20 am-6:00 pm
1 stop20h 40m
$957
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Wed 9/9
12:45 am-10:20 am
1 stop19h 35m
Chiang Mai
Mon 9/14
11:20 am-6:40 pm
1 stop21h 20m
$957
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 4/30
7:00 am-1:35 pm
2 stops40h 35m
Bangkok Suvarnabhumi
Sat 5/9
9:50 am-10:34 pm
2 stops26h 44m
$960
OntarioChiang Mai
ONT - CNX
ONTCNX
Ontario
Sun 8/9
12:45 am-10:20 am
1 stop19h 35m
Chiang Mai
Mon 8/17
11:20 am-6:40 pm
1 stop21h 20m
$975
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sun 5/3
6:00 am-10:10 pm
2 stops26h 10m
Phuket City
Tue 5/12
11:25 pm-5:10 pm
2 stops31h 45m
$990
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Mon 5/4
7:00 am-10:10 pm
2 stops25h 10m
Phuket City
Thu 5/14
11:25 pm-5:10 pm
2 stops31h 45m
$990
OntarioPhuket City
ONT - HKT
ONTHKT
Ontario
Sun 5/3
6:00 am-10:10 pm
2 stops26h 10m
Phuket City
Thu 5/14
11:25 pm-5:10 pm
2 stops31h 45m
$990
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Ontario with our price prediction graph.
ONT-BKK
ONT-CNX
ONT-HKT
ONT-DMK
ONT-KBV
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Thailand
ONT-TH0
ONT-BKK
ONT-CNX
ONT-HKT
ONT-DMK
What is the cheapest month to book a flight from Ontario to Thailand?
Currently, 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 $747). 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 10, 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.
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
9.0
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
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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 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$660 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$616 | Average$783 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$717 | Average$882 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$763 | Average$816 | FlexibilityNo cancel fee | On-timeN/A |