$392+ Cheap flights from Ontario (ONT) to Thailand
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Thailand with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Thailand
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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 September 19, 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 September 19, 2026.
This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop22h 00m
Sat 10/101:20 pm -
1 stop18h 40m
Deal found 9/15![China Airlines logo]()
$802
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 am -
1 stop19h 35m
Thu 10/2910:55 am -
1 stop21h 10m
Deal found 9/14![China Airlines logo]()
$809
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 pm -
1 stop20h 00m
Sun 11/82:35 am -
1 stop29h 30m
Deal found 9/14![China Airlines logo]()
$810
This Bravofly deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:50 pm -
1 stop23h 15m
Sun 11/82:05 pm -
1 stop18h 00m
Deal found 9/17![China Airlines logo]()
$812
This lastminute.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:10 am -
1 stop19h 35m
Thu 10/810:50 am -
1 stop21h 10m
Deal found 9/18![China Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
2 stops29h 05m
Tue 9/292:35 am -
2 stops35h 12m
Deal found 9/18![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
2 stops26h 45m
Wed 10/2812:20 am -
2 stops30h 52m
Deal found 9/18![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am -
2 stops27h 15m
Wed 10/289:50 am -
2 stops21h 22m
Deal found 9/16![Delta logo]()
$823
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:20 am -
2 stops26h 25m
Sun 11/812:20 am -
2 stops31h 59m
Deal found 9/17![Delta logo]()
$823
This Bravofly deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
2 stops40h 25m
Sun 11/89:40 pm -
2 stops34h 39m
Deal found 9/17![Korean Air logo]()
$825
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops25h 25m
Wed 11/412:20 am -
2 stops37h 23m
Deal found 9/13![Korean Air logo]()
$828
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am -
2 stops26h 25m
Mon 10/2612:20 am -
2 stops30h 52m
Deal found 9/18![Delta logo]()
$834
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 September 19, 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 September 19, 2026.
This Korean Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops25h 45m
Mon 11/911:15 pm -
2 stops38h 45m
Deal found 9/14![Korean Air logo]()
$828
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am -
2 stops26h 25m
Wed 10/2812:20 am -
2 stops30h 52m
Deal found 9/18![Delta logo]()
$834
This China Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 am -
1 stop19h 35m
Sun 11/12:05 pm -
1 stop18h 00m
Deal found 9/15![China Airlines logo]()
$862
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:10 am -
2 stops27h 25m
Sun 10/187:30 am -
2 stops24h 30m
Deal found 9/18![Multiple Airlines logo]()
$1,007
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
2 stops27h 20m
Sat 12/1211:15 pm -
2 stops38h 44m
Deal found 9/14![Delta logo]()
$835
This Korean Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 am -
2 stops24h 10m
Sun 11/1511:15 pm -
2 stops33h 04m
Deal found 9/14![Korean Air logo]()
$840
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 pm -
1 stop23h 15m
Sat 11/142:05 pm -
1 stop18h 00m
Deal found 9/17![China Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am -
2 stops26h 05m
Sun 11/151:05 am -
2 stops31h 14m
Deal found 9/17![Delta logo]()
$835
This Korean Air deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:20 am -
2 stops40h 05m
Thu 11/269:40 pm -
2 stops34h 39m
Deal found 9/18![Korean Air logo]()
$840
This China Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 am -
1 stop19h 35m
Sun 9/272:40 am -
1 stop29h 20m
Deal found 9/15![China Airlines logo]()
$886
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:10 am -
1 stop29h 20m
Wed 10/77:25 am -
1 stop24h 35m
Deal found 9/17![Multiple Airlines logo]()
$1,019
This Korean Air deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:20 am -
2 stops49h 10m
Sun 11/89:40 pm -
2 stops34h 39m
Deal found 9/16![Korean Air logo]()
$846
This China Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:10 am -
1 stop19h 35m
Thu 10/292:05 pm -
1 stop18h 00m
Deal found 9/15![China Airlines logo]()
$886
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
2 stops26h 10m
Thu 10/2910:55 pm -
2 stops32h 17m
Deal found 9/15![Delta logo]()
$935
This Korean Air deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am -
2 stops26h 25m
Fri 11/612:20 am -
2 stops31h 52m
Deal found 9/17![Korean Air logo]()
$852
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 am -
1 stop26h 30m
Wed 10/77:25 am -
1 stop24h 35m
Deal found 9/16![Multiple Airlines logo]()
$1,049
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop20h 10m
Fri 10/211:20 am -
1 stop20h 40m
Deal found 9/17![China Airlines logo]()
$950
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 am -
2 stops27h 25m
Wed 10/217:30 am -
2 stops24h 30m
Deal found 9/14![Multiple Airlines logo]()
$1,057
This Korean Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops25h 25m
Wed 11/412:20 am -
2 stops37h 23m
Deal found 9/15![Korean Air logo]()
$917
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am -
1 stop29h 20m
Fri 10/96:15 am -
1 stop25h 45m
Deal found 9/13![Multiple Airlines logo]()
$1,082
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop20h 10m
Wed 9/3011:20 am -
1 stop20h 40m
Deal found 9/17![China Airlines logo]()
$998
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
2 stops26h 10m
Sat 10/1711:25 pm -
2 stops31h 47m
Deal found 9/13![Korean Air logo]()
$952
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:10 am -
1 stop29h 20m
Thu 10/86:15 am -
1 stop25h 45m
Deal found 9/16![Multiple Airlines logo]()
$1,086
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:10 am -
1 stop20h 10m
Sun 10/411:20 am -
1 stop20h 40m
Deal found 9/17![China Airlines logo]()
$998
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
2 stops26h 10m
Thu 10/1511:25 pm -
2 stops55h 47m
Deal found 9/13![Korean Air logo]()
$959
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:50 pm -
1 stop26h 45m
Wed 11/2510:15 am -
1 stop21h 50m
Deal found 9/15![Multiple Airlines logo]()
$1,109
This China Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm -
2 stops43h 35m
Thu 11/511:25 am -
1 stop20h 40m
Deal found 9/14![China Airlines logo]()
$1,029
This Mytrip deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am -
2 stops27h 25m
Wed 9/237:30 am -
2 stops24h 30m
Deal found 9/18![Multiple Airlines logo]()
$1,116
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:20 am -
2 stops25h 50m
Mon 10/1211:25 pm -
2 stops31h 47m
Deal found 9/13![Korean Air logo]()
$1,017
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop20h 10m
Sat 10/310:10 am -
2 stops21h 50m
Deal found 9/17![China Airlines logo]()
$1,079
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated September 19, 2026 and is based on user searches.
This Korean Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops25h 45m
Tue 9/292:35 am -
2 stops28h 44m
Deal found 9/14![Korean Air logo]()
$828
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
2 stops29h 05m
Tue 9/292:35 am -
2 stops35h 12m
Deal found 9/18![Delta logo]()
$822
This lastminute.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:10 am -
1 stop19h 35m
Thu 10/810:50 am -
1 stop21h 10m
Deal found 9/18![China Airlines logo]()
$819
This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop22h 00m
Sat 10/101:20 pm -
1 stop18h 40m
Deal found 9/15![China Airlines logo]()
$802
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:56 am -
2 stops45h 39m
Thu 11/59:50 am -
2 stops22h 22m
Deal found 9/15![Delta logo]()
$829
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 am -
1 stop19h 35m
Thu 10/2910:55 am -
1 stop21h 10m
Deal found 9/14![China Airlines logo]()
$809
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am -
2 stops27h 15m
Wed 10/289:50 am -
2 stops21h 22m
Deal found 9/16![Delta logo]()
$823
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am -
2 stops26h 25m
Mon 10/2612:20 am -
2 stops30h 52m
Deal found 9/18![Delta logo]()
$834
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 pm -
1 stop20h 00m
Sun 11/82:35 am -
1 stop29h 30m
Deal found 9/14![China Airlines logo]()
$810
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
2 stops26h 45m
Wed 10/2812:20 am -
2 stops30h 52m
Deal found 9/18![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:20 am -
2 stops26h 25m
Sun 11/812:20 am -
2 stops31h 59m
Deal found 9/17![Delta logo]()
$823
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops26h 45m
Sat 11/712:20 am -
2 stops31h 03m
Deal found 9/17![Delta logo]()
$835
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 September 19, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Korean Air logo]()
$392
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/269:45 pm -
1 stop23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![STARLUX Airlines logo]()
$395
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/177:00 am -
2 stops26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Korean Air logo]()
$396
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/267:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Korean Air logo]()
$398
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 am -
2 stops24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Korean Air logo]()
$402
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1710:45 pm -
1 stop23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![STARLUX Airlines logo]()
$406
This Kissandfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/279:45 pm -
1 stop23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![STARLUX Airlines logo]()
$408
This Kissandfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/169:45 pm -
1 stop23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![STARLUX Airlines logo]()
$409
This Kissandfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:00 am -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Korean Air logo]()
$410
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/89:45 pm -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![STARLUX Airlines logo]()
$411
This Korean Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am -
2 stops26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Korean Air logo]()
$431
This Korean Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:20 am -
2 stops50h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Korean Air 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 September 19, 2026.
Round-trip from | $757 (SmartFares) |
|---|---|
One-way from | $392 (SmartFares) |
Popular in | December |
Cheapest in | March |
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 7,457,451 searches. Data last updated September 19, 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 Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 11/30
6:00 am-11:05 pm
2 stops26h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$415
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 11/2
6:20 am-12:20 am
2 stops27h 00m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$415
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Fri 11/27
6:00 am-11:05 pm
2 stops26h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Fri 11/13
7:00 am-9:30 pm
2 stops23h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$432
OntarioPhuket City
ONT Ontario - HKT Phuket City
ONTHKT
Ontario
Tue 11/3
6:20 am-9:25 pm
2 stops48h 05m
Phuket City
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$465
OntarioPhuket City
ONT Ontario - HKT Phuket City
ONTHKT
Ontario
Thu 10/22
6:00 am-10:10 pm
2 stops26h 10m
Phuket City
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$465
OntarioPhuket City
ONT Ontario - HKT Phuket City
ONTHKT
Ontario
Mon 10/19
6:20 am-10:10 pm
2 stops25h 50m
Phuket City
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$467
Quickest round-trip
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 10/20
12:10 am-9:45 am
1 stop19h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$469
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 10/28
9:25 am-10:50 pm
2 stops23h 25m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$470
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 11/10
6:00 am-10:50 pm
2 stops25h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$470
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 $767). Flying from Ontario to Thailand in December is currently the most expensive (average of $1,494). 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 79 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 September 19, 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
9.1
Boarding
8.8
Food
8.5
Overall
8.7
Entertainment
8.7
Comfort
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Boarding
8.8
Food
8.5
Overall
8.7
Entertainment
8.7
Comfort
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Boarding
8.8
Food
8.5
Overall
8.7
Entertainment
8.7
Comfort
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Boarding
8.8
Food
8.5
Overall
8.7
Entertainment
8.7
Comfort
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Boarding
8.8
Food
8.5
Overall
8.7
Entertainment
8.7
Comfort
8.8
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 September 19, 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 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$660 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$813 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$718 | Average$1,205 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$841 | FlexibilityNo cancel fee | On-timeN/A |