Find flights
When to book
FAQs

Cheap flights from Ontario to Chiang Rai from C$ 1,627

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CEI
2 sep. — 9 sep.1
1 adult

Cheap flight deals from Ontario to Chiang Rai

Keep the following information in mind while searching for Ontario to Chiang Rai flight deals. Data was last updated 28 agosto 2025.

Round-trip from

C$ 1,627
13/1-10/2
  • 13/1-10/2
  • 4 total stops
  • 69h 10m total
  • Ontario to Chiang Rai
Search Deals

Find flight deals from Ontario to Chiang Rai

Cheapest flights from Ontario to Chiang Rai
Explore the most affordable flight options available from Ontario to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 agosto 2025.

mar. 30/98:20 p.m.YYZ - CEI
2 stops35h 00mLufthansa
sáb. 4/106:55 p.m.CEI - YYZ
2 stops34h 35mLufthansa
Deal found 25/8C$ 3,605

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 28 agosto 2025.
Use the filters below to find and compare flights from Ontario to Chiang Rai that are best for you.

Fly from

Ontario

Fly to

Chiang Rai

Route

Depart

Return

Price

TorontoChiang Rai

YYZ - CEI

YYZCEI

Toronto Pearson Intl

mar. 13/1

11:40 a.m.-8:10 a.m.

2 stops32h 30m

Chiang Rai

mar. 10/2

8:40 a.m.-9:20 a.m.

2 stops36h 40m

C$ 1,627

TorontoChiang Rai

YYZ - CEI

YYZCEI

Toronto Pearson Intl

mar. 30/9

8:20 p.m.-6:20 p.m.

2 stops35h 00m

Chiang Rai

sáb. 4/10

6:55 p.m.-6:30 p.m.

2 stops34h 35m

C$ 3,608

TorontoChiang Rai

YYZ - CEI

YYZCEI

Toronto Pearson Intl

mar. 13/1

7:45 p.m.-6:20 p.m.

2 stops34h 35m

Chiang Rai

mar. 10/2

6:55 p.m.-4:15 p.m.

3 stops33h 20m

C$ 6,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/8

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.
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 Chiang Rai
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Chiang Rai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chiang Rai from Ontario?

    Chiang Rai (CEI) is the airport you will fly into if you book a flight from Ontario to Chiang Rai. It is only a 7.2 km journey from Chiang Rai (CEI) to Chiang Rai’s city centre.

  • How long is the flight from Region of Ontario to Chiang Rai?

    Departing from Region of Ontario to Chiang Rai will take you 35h. Region of Ontario and Chiang Rai are separated by a distance of 12929 km.

  • Can I find deals for flights from Ontario to Chiang Rai that include hotel bookings?

    Yes. In addition to deals on Ontario to Chiang Rai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Chiang Rai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Chiang Rai.

  • Can I find deals for business class flights from Ontario to Chiang Rai?

    Yes. Cheapflights offers flight deals from Ontario to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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 for Ontario to Chiang Rai

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Suvarnabhumi flights
Vancouver Intl to Suvarnabhumi flights
Pearson Intl to Suvarnabhumi flights
Québec City to Suvarnabhumi flights
Toronto Island to Suvarnabhumi flights
Edmonton to Suvarnabhumi flights
Pearson Intl to Don Mueang Intl flights
Calgary to Suvarnabhumi flights
Ottawa to Suvarnabhumi flights
Vancouver Intl to Don Mueang Intl flights
Abbotsford to Suvarnabhumi flights
Halifax to Suvarnabhumi flights
Vancouver Intl to Phuket City flights
Saskatoon to Suvarnabhumi flights
Pearson Intl to Phuket City flights
Winnipeg to Suvarnabhumi flights
Kelowna to Suvarnabhumi flights
Calgary to Don Mueang Intl flights
Pierre Elliott Trudeau Intl to Phuket City flights
Pierre Elliott Trudeau Intl to Don Mueang Intl flights
Victoria to Suvarnabhumi flights
Hamilton to Suvarnabhumi flights
Pearson Intl to Chiang Mai flights
Vancouver Intl to Chiang Mai flights
Regina to Suvarnabhumi flights
Vancouver Intl to Ko Samui flights
St. John's to Suvarnabhumi flights
Ottawa to Phuket City flights
Calgary to Phuket City flights
Vancouver Intl to Krabi flights
Prince George to Suvarnabhumi flights
Nanaimo to Suvarnabhumi flights
Moncton to Suvarnabhumi flights
Fredericton to Suvarnabhumi flights
Pearson Intl to Krabi flights
Pierre Elliott Trudeau Intl to Chiang Mai flights
Ottawa to Chiang Mai flights
Calgary to Chiang Mai flights
Edmonton to Phuket City flights
London to Suvarnabhumi flights
Pearson Intl to Ko Samui flights
Victoria to Chiang Mai flights
Pierre Elliott Trudeau Intl to Ko Samui flights
Pierre Elliott Trudeau Intl to Krabi flights
Québec City to Phuket City flights
Sudbury to Suvarnabhumi flights
Winnipeg to Phuket City flights
Fredericton to Phuket City flights
Edmonton to Krabi flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.