$355+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Nov 2 — Nov 91
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 3, 2026.
Explore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
This eDestinos deal was found by Cheapflights users on 9/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops39h 25m
Thu 11/191:05 am -
2 stops36h 55m
Deal found 9/28![Korean Air logo]()
$722
This SmartFares deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm -
2 stops28h 25m
Sat 1/231:05 am -
2 stops27h 52m
Deal found 9/30![Korean Air logo]()
$742
This SmartFares deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 am -
2 stops25h 10m
Thu 11/59:40 pm -
2 stops34h 32m
Deal found 10/2![Korean Air logo]()
$743
This IEagle deal was found by Cheapflights users on 9/29. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops39h 25m
Wed 12/1611:15 pm -
2 stops33h 00m
Deal found 9/29![Korean Air logo]()
$751
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
2 stops24h 30m
Fri 12/49:50 am -
2 stops29h 07m
Deal found 9/30![Delta logo]()
$752
This Delta deal was found by Cheapflights users on 9/30. 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 11/86:00 am -
2 stops25h 45m
Fri 11/2012:20 am -
2 stops37h 40m
Deal found 9/30![Delta logo]()
$752
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Wed 10/286:20 am -
2 stops28h 00m
Fri 11/61:05 am -
2 stops31h 07m
Deal found 9/30![Korean Air logo]()
$757
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Fri 11/66:00 pm -
2 stops37h 45m
Sat 11/2112:20 am -
2 stops31h 56m
Deal found 9/30![Korean Air logo]()
$757
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:04 pm -
2 stops39h 01m
Wed 12/1611:15 pm -
2 stops33h 00m
Deal found 10/1![Delta logo]()
$758
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops24h 45m
Sat 11/2112:20 am -
2 stops31h 56m
Deal found 10/2![Korean Air logo]()
$758
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Thu 10/296:20 am -
2 stops41h 05m
Fri 11/61:05 am -
2 stops31h 07m
Deal found 9/30![Korean Air logo]()
$763
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:56 pm -
2 stops37h 49m
Sat 11/2112:20 am -
2 stops37h 40m
Deal found 10/2![Korean Air logo]()
$763
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 3, 2026.
Discover carefully curated flight deals from Ontario to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 1/297:00 am -
2 stops24h 45m
Fri 2/1912:20 am -
2 stops37h 23m
Deal found 9/28![Delta logo]()
$752
This Korean Air deal was found by Cheapflights users on 9/28. 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.
Sun 10/186:20 am -
2 stops41h 15m
Mon 11/911:15 pm -
2 stops33h 01m
Deal found 9/28![Korean Air logo]()
$757
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:25 am -
2 stops36h 05m
Sun 11/84:55 pm -
2 stops40h 01m
Deal found 10/2![United Airlines logo]()
$947
This FlightHub deal was found by Cheapflights users on 9/30. 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.
Mon 3/19:45 pm -
2 stops32h 30m
Sat 3/139:50 am -
2 stops21h 05m
Deal found 9/30![Multiple Airlines logo]()
$997
This China Airlines deal was found by Cheapflights users on 9/30. 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 11/210:50 pm -
2 stops31h 25m
Thu 11/59:50 am -
2 stops22h 15m
Deal found 9/30![China Airlines logo]()
$1,118
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 am -
2 stops40h 05m
Sun 11/159:40 pm -
2 stops40h 20m
Deal found 10/2![Korean Air logo]()
$758
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
2 stops39h 25m
Tue 11/249:40 pm -
2 stops41h 09m
Deal found 10/2![Delta logo]()
$882
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops25h 25m
Wed 11/412:20 am -
2 stops31h 52m
Deal found 10/2![Korean Air logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/126:00 am -
2 stops25h 50m
Thu 11/194:55 pm -
2 stops20h 53m
Deal found 9/28![United Airlines logo]()
$948
This Qatar Airways deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 3/125:20 pm -
3 stops44h 19m
Deal found 10/2![Qatar Airways logo]()
$1,907
This China Airlines deal was found by Cheapflights users on 9/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:10 am -
2 stops23h 10m
Mon 11/92:05 pm -
1 stop18h 00m
Deal found 9/28![Multiple Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/35:38 pm -
2 stops38h 07m
Mon 1/1812:20 am -
2 stops37h 23m
Deal found 10/1![Delta logo]()
$969
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:03 pm -
2 stops27h 32m
Sun 11/84:55 pm -
2 stops20h 53m
Deal found 10/2![United Airlines logo]()
$977
This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:50 pm -
2 stops43h 35m
Sun 1/1711:25 am -
1 stop20h 40m
Deal found 10/1![China Airlines logo]()
$1,148
This Justfly.com deal was found by Cheapflights users on 9/30. 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.
Sat 1/2310:50 pm -
2 stops31h 25m
Thu 2/410:00 pm -
2 stops34h 05m
Deal found 9/30![Multiple Airlines logo]()
$1,047
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:35 pm -
2 stops54h 55m
Tue 11/244:55 pm -
2 stops20h 53m
Deal found 10/2![United Airlines logo]()
$1,079
This FlightHub deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/2![Multiple Airlines logo]()
$1,079
This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:50 pm -
2 stops43h 35m
Fri 1/1511:25 am -
1 stop20h 40m
Deal found 10/1![China Airlines logo]()
$1,238
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/35:38 pm -
2 stops38h 07m
Sun 1/1712:20 am -
2 stops37h 23m
Deal found 10/2![Korean Air logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:17 pm -
2 stops28h 13m
Sun 11/224:55 pm -
2 stops20h 53m
Deal found 10/2![United Airlines logo]()
$1,085
This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/110:50 pm -
2 stops43h 35m
Mon 1/1811:25 am -
1 stop20h 40m
Deal found 10/1![China Airlines logo]()
$1,287
This China Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/3011:50 pm -
2 stops23h 55m
Fri 4/3010:10 am -
2 stops21h 50m
Deal found 9/30![Multiple Airlines logo]()
$1,174
This Korean Air deal was found by Cheapflights users on 9/30. 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 12/225:38 pm -
2 stops38h 07m
Sun 1/1712:20 am -
2 stops37h 23m
Deal found 9/30![Korean Air logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/291:35 pm -
2 stops31h 55m
Fri 4/303:45 pm -
2 stops21h 21m
Deal found 9/30![United Airlines logo]()
$1,165
This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:50 pm -
1 stop20h 35m
Tue 1/1911:25 am -
1 stop20h 40m
Deal found 10/1![China Airlines logo]()
$1,295
This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/110:50 pm -
2 stops43h 35m
Fri 1/1511:25 am -
1 stop20h 40m
Deal found 10/1![China Airlines logo]()
$1,347
This Korean Air deal was found by Cheapflights users on 9/30. 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 12/215:38 pm -
2 stops38h 07m
Sat 1/1612:20 am -
2 stops37h 23m
Deal found 9/30![Korean Air logo]()
$1,437
This Justfly.com deal was found by Cheapflights users on 9/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:50 pm -
2 stops55h 25m
Sun 11/2910:00 pm -
2 stops58h 05m
Deal found 9/29![China Airlines logo]()
$1,598
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated October 3, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 am -
2 stops25h 10m
Thu 11/59:40 pm -
2 stops34h 32m
Deal found 10/2![Korean Air logo]()
$743
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Wed 10/286:20 am -
2 stops28h 00m
Sun 11/81:05 am -
2 stops31h 11m
Deal found 9/30![Korean Air logo]()
$757
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Thu 10/296:20 am -
2 stops41h 05m
Mon 11/91:05 am -
2 stops31h 11m
Deal found 9/30![Korean Air logo]()
$763
This SmartFares deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm -
2 stops28h 25m
Sat 1/231:05 am -
2 stops27h 52m
Deal found 9/30![Korean Air logo]()
$742
This Korean Air deal was found by Cheapflights users on 9/30. 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.
Fri 11/66:00 pm -
2 stops37h 45m
Sat 11/2112:20 am -
2 stops31h 56m
Deal found 9/30![Korean Air logo]()
$757
This Delta deal was found by Cheapflights users on 9/30. 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 11/86:00 am -
2 stops25h 45m
Fri 11/2012:20 am -
2 stops37h 40m
Deal found 9/30![Delta logo]()
$752
This IEagle deal was found by Cheapflights users on 9/28. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
2 stops39h 25m
Tue 11/179:40 pm -
2 stops34h 36m
Deal found 9/28![Korean Air logo]()
$751
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:56 pm -
2 stops37h 49m
Sat 11/2112:20 am -
2 stops37h 40m
Deal found 10/2![Korean Air logo]()
$763
This eDestinos deal was found by Cheapflights users on 9/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops39h 25m
Thu 11/191:05 am -
2 stops36h 55m
Deal found 9/28![Korean Air logo]()
$722
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops24h 45m
Sat 11/2112:20 am -
2 stops31h 56m
Deal found 10/2![Korean Air logo]()
$758
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
2 stops24h 30m
Fri 12/49:50 am -
2 stops29h 07m
Deal found 9/30![Delta logo]()
$752
This Korean Air deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:56 pm -
2 stops28h 29m
Mon 12/1411:15 pm -
2 stops33h 00m
Deal found 10/1![Korean Air logo]()
$758
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 3, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:00 am -
2 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Delta logo]()
$355
This Korean Air deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/63:30 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Korean Air logo]()
$357
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 am -
2 stops25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Korean Air logo]()
$394
This SmartFares deal was found by Cheapflights users on 9/28. 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.
Wed 2/247:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Korean Air logo]()
$396
This SmartFares deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm -
2 stops28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Korean Air logo]()
$402
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia 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 9/30![Korean Air logo]()
$405
This Kissandfly.com deal was found by Cheapflights users on 9/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/173:30 pm -
2 stops39h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Korean Air logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Wed 10/2810:35 am -
3 stops44h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 9/28. 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.
Wed 11/46:00 am -
2 stops24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 9/30. 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.
Wed 11/257:00 am -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Korean Air logo]()
$416
This Korean Air deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:56 pm -
2 stops37h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Korean Air logo]()
$417
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 3, 2026.
Round-trip from | $705 (Bravofly) |
|---|---|
One-way from | $355 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $756 |
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 3, 2026.
Use the filters below to find and compare flights from Ontario to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 11/24
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
Thu 11/26
7:00 am-12:20 am
2 stops26h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 12/30
7:00 am-11:05 pm
2 stops25h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 11/25
7:00 am-12:20 am
2 stops26h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Sun 2/7
3:30 pm-10:45 pm
2 stops40h 15m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$417
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Sun 1/17
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$422
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 11/30
6:00 am-9:30 pm
2 stops24h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$442
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 10/19
6:07 am-4:35 am
2 stops32h 28m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$444
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 10/21
1:52 pm-11:55 pm
2 stops44h 03m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$458
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Sun 10/18
6:20 am-1:05 am
2 stops28h 45m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$461
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Ontario to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Ontario with our price prediction graph.
ONT-BKK
ONT-CNX
ONT-KBV
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Thailand
ONT-TH0
ONT-BKK
ONT-CNX
ONT-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 $773). 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 3, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,Korean Air, andChina Airlines from Ontario to Thailand to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
8.5
Boarding
8.8
Overall
8.7
Comfort
8.8
Entertainment
8.7
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.5
Boarding
8.8
Overall
8.7
Comfort
8.8
Entertainment
8.7
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.5
Boarding
8.8
Overall
8.7
Comfort
8.8
Entertainment
8.7
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.5
Boarding
8.8
Overall
8.7
Comfort
8.8
Entertainment
8.7
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.5
Boarding
8.8
Overall
8.7
Comfort
8.8
Entertainment
8.7
Crew
9.1
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 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Thailand flights
Consider these flights traveling from Ontario to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 4 airlines flying from Ontario to Thailand
Discover the top 4 airlines that operate flights from Ontario to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 3, 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$1,207 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$857 | FlexibilityNo cancel fee | On-timeN/A |