Cheap flights from Ontario to Chiang Rai from C$ 1,756
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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Chiang Rai 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 629,999 searches. Data last updated 16 June 2025.
Use the filters below to find and compare flights from Ontario to Chiang Rai that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoChiang Rai
YYZ - CEI
YYZCEI
Toronto Pearson Intl
Wed 3/12
12:30 p.m.-6:20 p.m.
2 stops41h 50m
Chiang Rai
Sun 7/12
6:55 p.m.-7:30 p.m.
2 stops36h 35m
TorontoChiang Rai
YYZ - CEI
YYZCEI
Toronto Pearson Intl
Wed 3/12
6:30 p.m.-6:20 p.m.
2 stops35h 50m
Chiang Rai
Sun 7/12
6:55 p.m.-2:55 p.m.
3 stops32h 00m
Best time to book a flight from Ontario to Chiang Rai
Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Ontario with our price prediction graph.
Cheapflights Insights
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Related info for your journey
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Alternative routes for Ontario to Chiang Rai
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How does Cheapflights help users find flights from Ontario to Chiang Rai?
Cheapflights helps you search for flights from Ontario to Chiang Rai via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Chiang Rai?
Cheapflights simply makes it quick and affordable to book flights from Ontario to Chiang Rai by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ontario to Chiang Rai with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Chiang Rai, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ontario to Chiang Rai become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!