$351+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 30, 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 30, 2026.
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
2 stops27h 20m
Wed 12/911:15 pm -
2 stops33h 00m
Deal found 10/30![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:15 pm -
2 stops44h 05m
Thu 12/1011:15 pm -
2 stops39h 42m
Deal found 10/30![Delta logo]()
$798
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:55 pm -
2 stops28h 30m
Thu 12/171:05 am -
2 stops36h 54m
Deal found 10/29![Delta logo]()
$842
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/145:56 pm -
2 stops39h 24m
Mon 11/239:40 pm -
2 stops40h 20m
Deal found 10/25![Delta logo]()
$848
This Korean Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:55 pm -
2 stops52h 30m
Mon 12/71:05 am -
2 stops30h 17m
Deal found 10/29![Korean Air logo]()
$854
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops23h 30m
Tue 11/241:05 am -
2 stops31h 11m
Deal found 10/27![Korean Air logo]()
$866
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
2 stops27h 20m
Mon 12/79:40 pm -
2 stops40h 19m
Deal found 10/30![Delta logo]()
$877
This Korean Air deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:56 pm -
2 stops28h 29m
Wed 12/911:15 pm -
2 stops33h 00m
Deal found 10/30![Korean Air logo]()
$883
This Korean Air deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:56 pm -
2 stops52h 29m
Tue 11/249:40 pm -
2 stops34h 36m
Deal found 10/28![Korean Air logo]()
$889
This BusinessClass deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops39h 25m
Tue 12/1511:15 pm -
2 stops33h 00m
Deal found 10/26![Korean Air logo]()
$893
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 pm -
2 stops49h 35m
Sun 11/87:10 am -
2 stops28h 05m
Deal found 10/28![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:00 am -
2 stops28h 20m
Mon 11/99:10 am -
2 stops23h 46m
Deal found 10/27![United Airlines logo]()
$900
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 30, 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 30, 2026.
This Korean Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/303:35 pm -
2 stops38h 55m
Sun 2/71:05 am -
2 stops36h 29m
Deal found 10/29![Korean Air logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/256:00 am -
2 stops25h 50m
Tue 3/27:10 am -
2 stops23h 05m
Deal found 10/26![United Airlines logo]()
$890
This China Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/610:50 pm -
1 stop26h 55m
Sun 2/285:50 pm -
1 stop38h 15m
Deal found 10/27![China Airlines logo]()
$1,000
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:45 pm -
2 stops32h 30m
Sat 3/139:50 am -
2 stops21h 05m
Deal found 10/29![Multiple Airlines logo]()
$1,099
This Qatar Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/286:00 am -
3 stops48h 15m
Fri 3/129:50 am -
3 stops51h 49m
Deal found 10/29![Qatar Airways logo]()
$1,308
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/215:47 pm -
2 stops29h 38m
Fri 4/29:50 am -
2 stops26h 53m
Deal found 10/27![Korean Air logo]()
$792
This Korean Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am -
2 stops39h 25m
Sun 12/1311:15 pm -
2 stops33h 00m
Deal found 10/29![Korean Air logo]()
$798
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/207:00 am -
2 stops27h 20m
Fri 4/29:50 am -
2 stops26h 53m
Deal found 10/27![Korean Air logo]()
$798
This China Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2710:50 pm -
1 stop23h 15m
Tue 3/22:05 pm -
1 stop18h 00m
Deal found 10/29![China Airlines logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:37 pm -
2 stops25h 53m
Mon 2/227:10 am -
2 stops23h 11m
Deal found 10/28![United Airlines logo]()
$1,057
This Justfly.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/612:10 am -
1 stop20h 10m
Wed 4/2111:20 am -
1 stop20h 40m
Deal found 10/30![China Airlines logo]()
$1,001
This China Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/612:10 am -
2 stops23h 35m
Wed 4/2111:20 am -
1 stop20h 40m
Deal found 10/30![Multiple Airlines logo]()
$1,112
This China Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/512:10 am -
1 stop20h 10m
Wed 4/2110:10 am -
2 stops21h 50m
Deal found 10/30![Multiple Airlines logo]()
$1,112
This China Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/2910:50 pm -
1 stop35h 45m
Sat 12/1210:55 am -
1 stop21h 10m
Deal found 10/25![China Airlines logo]()
$1,064
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2810:50 pm -
2 stops31h 25m
Fri 3/129:50 am -
2 stops22h 15m
Deal found 10/30![Multiple Airlines logo]()
$1,121
This China Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 2/1810:50 pm -
1 stop20h 00m
Thu 3/252:05 pm -
1 stop18h 00m
Deal found 10/25![China Airlines logo]()
$1,072
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:50 pm -
2 stops29h 10m
Wed 11/187:45 pm -
2 stops36h 20m
Deal found 10/27![Multiple Airlines logo]()
$1,194
This China Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/3010:50 pm -
1 stop23h 15m
Fri 1/152:35 am -
1 stop29h 30m
Deal found 10/26![China Airlines logo]()
$1,102
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/310:50 pm -
1 stop20h 35m
Wed 2/1010:10 am -
2 stops20h 45m
Deal found 10/29![Multiple Airlines logo]()
$1,210
This China Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 2/1610:50 pm -
1 stop23h 15m
Fri 3/262:05 pm -
1 stop18h 00m
Deal found 10/25![China Airlines logo]()
$1,102
This Justfly.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2610:50 pm -
1 stop20h 35m
Wed 2/1711:25 am -
1 stop20h 40m
Deal found 10/30![China Airlines logo]()
$1,137
This Korean Air deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/193:35 pm -
2 stops40h 10m
Wed 1/2712:20 am -
2 stops29h 30m
Deal found 10/30![Korean Air logo]()
$1,759
This China Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:50 pm -
2 stops43h 35m
Tue 11/241:10 pm -
1 stop18h 55m
Deal found 10/27![China Airlines logo]()
$1,264
This China Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 4/212:10 am -
2 stops23h 35m
Mon 4/1210:10 am -
2 stops21h 50m
Deal found 10/26![Multiple Airlines logo]()
$1,604
This China Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/1510:50 pm -
1 stop20h 35m
Thu 11/197:45 pm -
2 stops36h 20m
Deal found 10/26![China Airlines logo]()
$1,703
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 pm -
2 stops49h 35m
Sun 11/87:10 am -
2 stops28h 05m
Deal found 10/28![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:00 am -
2 stops28h 20m
Mon 11/99:10 am -
2 stops23h 46m
Deal found 10/27![United Airlines logo]()
$900
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops23h 30m
Tue 11/241:05 am -
2 stops31h 11m
Deal found 10/27![Korean Air logo]()
$866
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:50 pm -
2 stops29h 10m
Wed 11/187:45 pm -
2 stops36h 20m
Deal found 10/27![Multiple Airlines logo]()
$1,194
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/145:56 pm -
2 stops39h 24m
Mon 11/239:40 pm -
2 stops40h 20m
Deal found 10/25![Delta logo]()
$848
This Korean Air deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:56 pm -
2 stops52h 29m
Tue 11/249:40 pm -
2 stops34h 36m
Deal found 10/28![Korean Air logo]()
$889
This China Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:50 pm -
1 stop20h 35m
Mon 11/2311:25 am -
1 stop20h 40m
Deal found 10/27![China Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
2 stops27h 20m
Mon 12/77:10 am -
2 stops25h 26m
Deal found 10/30![United Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:15 pm -
2 stops44h 05m
Thu 12/1011:15 pm -
2 stops39h 42m
Deal found 10/30![Delta logo]()
$798
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
2 stops27h 20m
Wed 12/911:15 pm -
2 stops33h 00m
Deal found 10/30![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:00 am -
2 stops27h 20m
Mon 12/79:40 pm -
2 stops40h 19m
Deal found 10/30![Delta logo]()
$877
This Korean Air deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:56 pm -
2 stops28h 29m
Wed 12/911:15 pm -
2 stops33h 00m
Deal found 10/30![Korean Air logo]()
$883
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 30, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This SmartFares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 2/257:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Korean Air logo]()
$351
This Kissandfly.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/13:30 pm -
2 stops39h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Korean Air logo]()
$363
This Kissandfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/273:35 pm -
2 stops38h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Korean Air logo]()
$364
This SmartFares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/117:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Korean Air logo]()
$367
This Kissandfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:35 pm -
2 stops40h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Korean Air logo]()
$370
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/268:02 am -
2 stops46h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$381
This Korean Air deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Korean Air logo]()
$382
This Korean Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/107:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Korean Air logo]()
$382
This SmartFares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/195:47 pm -
2 stops38h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Korean Air logo]()
$384
This SmartFares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 3/57:00 am -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Korean Air logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:31 pm -
2 stops57h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$396
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 30, 2026.
Round-trip from | $734 (SmartFares) |
|---|---|
One-way from | $351 (SmartFares) |
Popular in | December |
Cheapest in | March |
Average price | $771 |
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 30, 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
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Thu 2/11
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$367
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Thu 1/14
7:00 am-1:25 pm
2 stops39h 25m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$382
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Fri 1/22
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$406
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Thu 1/21
3:35 pm-10:45 pm
2 stops40h 10m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$406
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 2/2
2:00 pm-5:10 am
2 stops48h 10m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$432
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 1/13
7:25 am-12:20 am
2 stops25h 55m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$434
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 1/5
2:00 pm-11:30 am
2 stops54h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$451
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 11/30
6:00 am-12:20 am
2 stops27h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$483
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
$486
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 11/23
4:17 pm-11:30 am
2 stops28h 13m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$488
Showing 1-10 of 53 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-CNX
ONT-BKK
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-CNX
ONT-BKK
ONT-KBV
What is the cheapest month to book a flight from Ontario to Thailand?
Currently, January is the cheapest month in which you can book a flight from Ontario to Thailand (average of $770). 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 29 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 30, 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.
Boarding
8.8
Food
8.6
Comfort
8.8
Crew
9.1
Entertainment
8.7
Overall
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Food
8.6
Comfort
8.8
Crew
9.1
Entertainment
8.7
Overall
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Food
8.6
Comfort
8.8
Crew
9.1
Entertainment
8.7
Overall
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Food
8.6
Comfort
8.8
Crew
9.1
Entertainment
8.7
Overall
8.8
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Food
8.6
Comfort
8.8
Crew
9.1
Entertainment
8.7
Overall
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$730 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$796 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$718 | Average$1,016 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$886 | FlexibilityNo cancel fee | On-timeN/A |