$372+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Nov 15 — Nov 221
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 October 16, 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 October 16, 2026.
This Kissandfly.com deal was found by Cheapflights users on 10/14. 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.
Sun 10/256:20 am -
2 stops26h 25m
Fri 11/612:20 am -
2 stops31h 52m
Deal found 10/14![Korean Air logo]()
$773
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/77:00 am -
2 stops47h 30m
Tue 12/2211:15 pm -
2 stops32h 43m
Deal found 10/11![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/96:00 am -
2 stops25h 45m
Wed 12/212:20 am -
2 stops31h 55m
Deal found 10/11![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/65:04 pm -
2 stops53h 21m
Mon 12/211:05 am -
2 stops30h 53m
Deal found 10/11![Delta logo]()
$828
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 pm -
2 stops37h 45m
Wed 12/212:20 am -
2 stops37h 39m
Deal found 10/11![Korean Air logo]()
$828
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/65:55 pm -
2 stops52h 30m
Sun 12/209:40 pm -
2 stops34h 18m
Deal found 10/11![Korean Air logo]()
$834
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/257:00 am -
2 stops39h 25m
Sat 12/51:05 am -
2 stops31h 10m
Deal found 10/14![Delta logo]()
$842
This Korean Air deal was found by Cheapflights users on 10/14. 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.
Tue 12/87:00 am -
2 stops47h 30m
Thu 1/141:05 am -
2 stops36h 38m
Deal found 10/14![Korean Air logo]()
$848
This Korean Air deal was found by Cheapflights users on 10/14. 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 11/66:00 pm -
2 stops52h 25m
Sat 11/149:40 pm -
2 stops34h 36m
Deal found 10/14![Korean Air logo]()
$854
This IEagle deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:20 am -
2 stops40h 05m
Mon 11/169:40 pm -
2 stops40h 20m
Deal found 10/12![Korean Air logo]()
$855
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/57:00 am -
2 stops25h 05m
Tue 12/2211:15 pm -
2 stops32h 43m
Deal found 10/11![Delta logo]()
$859
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
2 stops26h 20m
Thu 12/241:05 am -
2 stops31h 55m
Deal found 10/12![Korean Air logo]()
$865
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 October 16, 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 October 16, 2026.
This Korean Air deal was found by Cheapflights users on 10/13. 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.
Sat 2/207:00 am -
2 stops24h 45m
Tue 3/912:20 am -
2 stops31h 57m
Deal found 10/13![Korean Air logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:25 am -
2 stops35h 05m
Mon 11/99:10 am -
2 stops21h 23m
Deal found 10/15![United Airlines logo]()
$905
This Delta deal was found by Cheapflights users on 10/14. 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.
Mon 1/257:00 am -
2 stops24h 45m
Tue 2/912:20 am -
2 stops37h 23m
Deal found 10/14![Delta logo]()
$951
This FlightHub deal was found by Cheapflights users on 10/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/209:45 pm -
1 stop27h 15m
Wed 3/1010:10 am -
2 stops20h 45m
Deal found 10/13![Multiple Airlines logo]()
$1,043
This China Airlines deal was found by Cheapflights users on 10/13. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm -
1 stop26h 55m
Thu 11/52:05 pm -
1 stop18h 00m
Deal found 10/13![China Airlines logo]()
$1,055
This Korean Air deal was found by Cheapflights users on 10/15. 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.
Sat 3/63:30 pm -
2 stops40h 15m
Fri 3/2612:20 am -
2 stops30h 57m
Deal found 10/15![Korean Air logo]()
$798
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 pm -
2 stops37h 45m
Wed 12/212:20 am -
2 stops37h 39m
Deal found 10/11![Korean Air logo]()
$828
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops27h 20m
Tue 1/269:10 am -
2 stops23h 53m
Deal found 10/13![United Airlines logo]()
$930
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/147:00 am -
2 stops24h 45m
Wed 12/212:20 am -
2 stops37h 39m
Deal found 10/11![Delta logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 2/165:00 am -
2 stops26h 50m
Tue 2/234:55 pm -
2 stops21h 06m
Deal found 10/11![United Airlines logo]()
$948
This China Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 2/2410:50 pm -
1 stop20h 00m
Tue 3/1610:55 am -
1 stop21h 10m
Deal found 10/14![China Airlines logo]()
$1,055
This Justfly.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:45 pm -
2 stops32h 30m
Sat 3/139:50 am -
2 stops21h 05m
Deal found 10/11![Multiple Airlines logo]()
$1,100
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/127:00 am -
2 stops24h 45m
Wed 12/212:20 am -
2 stops37h 39m
Deal found 10/11![Korean Air logo]()
$948
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/276:37 pm -
2 stops43h 33m
Sat 12/194:55 pm -
2 stops20h 58m
Deal found 10/11![United Airlines logo]()
$951
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 12/285:38 pm -
2 stops60h 52m
Thu 1/219:50 am -
2 stops27h 53m
Deal found 10/15![Delta logo]()
$1,079
This China Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/610:50 pm -
1 stop20h 00m
Tue 11/172:05 pm -
1 stop18h 00m
Deal found 10/12![China Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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.
Thu 3/116:53 pm -
2 stops25h 37m
Mon 3/224:55 pm -
2 stops20h 11m
Deal found 10/12![United Airlines logo]()
$953
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 10/256:00 pm -
2 stops40h 20m
Sun 3/219:50 am -
2 stops45h 27m
Deal found 10/12![Korean Air logo]()
$955
This FlightHub deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2810:50 pm -
2 stops43h 15m
Fri 3/129:50 am -
2 stops22h 15m
Deal found 10/11![Multiple Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/21:35 pm -
2 stops42h 15m
Mon 11/164:55 pm -
2 stops37h 38m
Deal found 10/11![United Airlines logo]()
$954
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
2 stops24h 45m
Sun 11/2912:20 am -
2 stops37h 40m
Deal found 10/11![Korean Air logo]()
$973
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:56 pm -
2 stops37h 49m
Mon 12/712:20 am -
2 stops37h 39m
Deal found 10/12![Korean Air logo]()
$980
This China Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/710:50 pm -
2 stops31h 25m
Tue 11/1010:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,372
This China Airlines deal was found by Cheapflights users on 10/13. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm -
2 stops31h 25m
Thu 11/59:50 am -
2 stops22h 15m
Deal found 10/13![China Airlines logo]()
$1,372
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/56:00 pm -
2 stops52h 25m
Wed 11/251:05 am -
2 stops31h 11m
Deal found 10/12![Korean Air logo]()
$1,078
This China Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 1/210:50 pm -
2 stops31h 25m
Thu 1/2110:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,507
This Korean Air deal was found by Cheapflights users on 10/14. 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.
Wed 1/277:00 am -
2 stops24h 45m
Wed 2/1012:20 am -
2 stops28h 37m
Deal found 10/14![Korean Air logo]()
$1,178
This China Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 1/210:50 pm -
2 stops31h 25m
Sat 1/2310:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,507
This Korean Air deal was found by Cheapflights users on 10/14. 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 25m
Wed 11/412:20 am -
2 stops31h 52m
Deal found 10/14![Korean Air logo]()
$1,184
This China Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 1/210:50 pm -
2 stops31h 25m
Mon 1/1810:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,507
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated October 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated October 16, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 10/14. 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.
Sun 10/256:20 am -
2 stops26h 25m
Fri 11/612:20 am -
2 stops31h 52m
Deal found 10/14![Korean Air logo]()
$773
This Korean Air deal was found by Cheapflights users on 10/14. 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 11/66:00 pm -
2 stops52h 25m
Sat 11/149:40 pm -
2 stops34h 36m
Deal found 10/14![Korean Air logo]()
$854
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 stops40h 05m
Wed 11/259:40 pm -
2 stops35h 50m
Deal found 10/12![Korean Air logo]()
$848
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 pm -
2 stops37h 45m
Wed 12/212:20 am -
2 stops37h 39m
Deal found 10/11![Korean Air logo]()
$828
This IEagle deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:20 am -
2 stops40h 05m
Mon 11/169:40 pm -
2 stops40h 20m
Deal found 10/12![Korean Air logo]()
$855
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/96:00 am -
2 stops25h 45m
Wed 12/212:20 am -
2 stops31h 55m
Deal found 10/11![Delta logo]()
$822
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/125:56 pm -
2 stops52h 29m
Mon 11/239:40 pm -
2 stops34h 36m
Deal found 10/11![Korean Air logo]()
$871
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/257:00 am -
2 stops39h 25m
Sat 12/51:05 am -
2 stops31h 10m
Deal found 10/14![Delta logo]()
$842
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops27h 20m
Fri 12/181:05 am -
2 stops30h 53m
Deal found 10/10![Delta logo]()
$859
This Korean Air deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
2 stops26h 20m
Fri 12/251:05 am -
2 stops30h 53m
Deal found 10/12![Korean Air logo]()
$865
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
2 stops26h 20m
Sun 12/209:40 pm -
2 stops39h 57m
Deal found 10/10![Delta logo]()
$872
This Korean Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/305:56 pm -
2 stops28h 29m
Tue 12/2211:15 pm -
2 stops32h 43m
Deal found 10/11![Korean Air logo]()
$828
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 October 16, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
This Kissandfly.com deal was found by Cheapflights users on 10/13. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Korean Air logo]()
$372
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:00 am -
2 stops39h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Korean Air logo]()
$375
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/27:00 am -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/97:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$380
This Korean Air deal was found by Cheapflights users on 10/13. 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 2/37:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Korean Air logo]()
$382
This Korean Air deal was found by Cheapflights users on 10/13. 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 2/103:30 pm -
2 stops40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Korean Air logo]()
$382
This SmartFares deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 4/77:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Korean Air logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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.
Tue 12/15:55 pm -
2 stops28h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Korean Air logo]()
$417
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops26h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$417
This Expedia deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/293:30 pm -
2 stops40h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Korean Air logo]()
$418
This Korean Air deal was found by Cheapflights users on 10/13. 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.
Tue 10/276:20 am -
2 stops25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Korean Air logo]()
$419
This Bravofly deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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.
Fri 2/53:30 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Korean Air logo]()
$421
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 October 16, 2026.
Round-trip from | $786 (Korean Air) |
|---|---|
One-way from | $372 (Kissandfly.com) |
Popular in | December |
Cheapest in | March |
Average price | $762 |
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 October 16, 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
Tue 2/9
7:00 am-11:05 pm
2 stops25h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$380
Quickest round-trip
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Tue 2/9
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$380
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 2/10
3:30 pm-12:20 am
2 stops41h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$382
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Sun 2/28
3:30 pm-11:05 pm
2 stops40h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$382
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Tue 3/23
7:00 am-10:45 pm
2 stops25h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$382
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Wed 10/28
6:00 am-10:45 pm
2 stops26h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Thu 10/29
6:20 am-10:45 pm
2 stops26h 25m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Sun 2/14
11:20 am-5:10 am
2 stops50h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$431
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Mon 12/7
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$431
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Sat 10/31
6:20 am-10:45 pm
2 stops26h 25m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$431
Showing 1-10 of 59 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-KBV
ONT-CNX
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-KBV
ONT-CNX
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 $772). Flying from Ontario to Thailand in June is currently the most expensive (average of $1,457). 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 14 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 October 16, 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
8.8
Crew
9.1
Boarding
8.8
Entertainment
8.7
Overall
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Crew
9.1
Boarding
8.8
Entertainment
8.7
Overall
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Crew
9.1
Boarding
8.8
Entertainment
8.7
Overall
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Crew
9.1
Boarding
8.8
Entertainment
8.7
Overall
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Crew
9.1
Boarding
8.8
Entertainment
8.7
Overall
8.7
Food
8.6
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.
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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 October 16, 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 October 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$666 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$770 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$718 | Average$957 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$870 | FlexibilityNo cancel fee | On-timeN/A |