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Cheap flights from Ontario to Chiang Mai from C$ 716

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNX
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Chiang Mai
Explore the most affordable flight options available from Ontario to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Fri 13/113:25 p.m.
YYZ
-
CNX
1 stop34h 55m
China Eastern
Fri 27/113:35 p.m.
CNX
-
YYZ
1 stop33h 50m
China Eastern
Deal found 31/3C$ 1,458
Mon 19/107:00 p.m.
YYZ
-
CNX
2 stops29h 15m
Multiple Airlines
Tue 10/117:45 p.m.
CNX
-
YYZ
2 stops35h 39m
Multiple Airlines
Deal found 2/4C$ 1,493
Mon 9/113:25 p.m.
YYZ
-
CNX
1 stop34h 55m
China Eastern
Mon 16/114:25 p.m.
CNX
-
YYZ
3 stops57h 00m
China Eastern
Deal found 1/4C$ 1,501
Fri 13/113:25 p.m.
YYZ
-
CNX
1 stop34h 55m
China Eastern
Sun 6/123:35 p.m.
CNX
-
YYZ
1 stop33h 50m
China Eastern
Deal found 2/4C$ 1,504
Fri 13/113:25 p.m.
YYZ
-
CNX
2 stops53h 40m
China Eastern
Tue 8/123:35 p.m.
CNX
-
YYZ
1 stop33h 50m
China Eastern
Deal found 2/4C$ 1,505
Fri 13/113:25 p.m.
YYZ
-
CNX
2 stops36h 00m
China Eastern
Wed 9/124:25 p.m.
CNX
-
YYZ
3 stops57h 00m
China Eastern
Deal found 2/4C$ 1,508
Mon 20/46:00 p.m.
YUL
-
CNX
2 stops32h 45m
Multiple Airlines
Thu 10/127:45 p.m.
CNX
-
YUL
2 stops37h 21m
Multiple Airlines
Deal found 29/3C$ 1,578
Wed 4/114:25 p.m.
YYZ
-
CNX
2 stops30h 10m
Multiple Airlines
Wed 18/1111:50 a.m.
CNX
-
YYZ
2 stops40h 03m
Multiple Airlines
Deal found 1/4C$ 1,604
Tue 14/41:45 a.m.
YYZ
-
CNX
1 stop21h 40m
Multiple Airlines
Tue 12/511:35 a.m.
CNX
-
YYZ
2 stops39h 15m
Multiple Airlines
Deal found 29/3C$ 1,605
Fri 6/115:40 a.m.
YOW
-
CNX
2 stops44h 40m
China Eastern
Tue 17/113:35 p.m.
CNX
-
YOW
2 stops45h 07m
China Eastern
Deal found 29/3C$ 1,674
Mon 2/116:20 p.m.
YUL
-
CNX
2 stops27h 05m
Multiple Airlines
Thu 19/114:45 p.m.
CNX
-
YUL
2 stops36h 18m
Multiple Airlines
Deal found 31/3C$ 1,715
Tue 1/99:35 p.m.
YUL
-
CNX
2 stops24h 45m
Multiple Airlines
Thu 17/98:00 p.m.
CNX
-
YUL
2 stops29h 45m
Multiple Airlines
Deal found 1/4C$ 1,728

Find flight deals from Ontario to Chiang Mai

Keep the following information in mind while searching for Ontario to Chiang Mai flight deals. Data was last updated 2 April 2026.

Round-trip from

C$ 1,578

One-way from

C$ 716

Popular in

July

Cheapest in

April

Average price

C$ 1,548
20/4-10/12
  • 20/4-10/12
  • 4 total stops
  • 70h 06m total
  • Ontario to Chiang Mai
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 33h 45m total
  • Ontario to Chiang Mai
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Chiang Mai 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 2 April 2026.
Use the filters below to find and compare flights from Ontario to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

8:30 a.m.-1:45 p.m.

2 stops42h 15m

Chiang Mai

Thu 10/12

10:10 a.m.-9:06 p.m.

2 stops46h 56m

C$ 1,604

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 14/4

1:45 a.m.-10:25 a.m.

1 stop21h 40m

Chiang Mai

Tue 12/5

11:35 a.m.-3:50 p.m.

2 stops39h 15m

C$ 1,605

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

9:35 p.m.-9:20 a.m.

2 stops24h 45m

Chiang Mai

Thu 17/9

8:00 p.m.-2:45 p.m.

2 stops29h 45m

C$ 1,728
Quickest round-trip

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Sat 12/9

1:45 a.m.-10:25 a.m.

1 stop21h 40m

Chiang Mai

Wed 16/9

11:35 a.m.-9:20 p.m.

1 stop20h 45m

C$ 1,785

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

9:35 p.m.-7:10 p.m.

2 stops34h 35m

Chiang Mai

Wed 23/9

8:00 p.m.-2:45 p.m.

2 stops53h 45m

C$ 1,806

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Wed 9/9

1:45 a.m.-10:25 a.m.

1 stop21h 40m

Chiang Mai

Mon 14/9

11:35 a.m.-9:20 p.m.

1 stop20h 45m

C$ 1,832

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Sat 19/9

10:05 p.m.-10:25 a.m.

2 stops25h 20m

Chiang Mai

Tue 22/9

11:35 a.m.-12:45 a.m.

2 stops24h 10m

C$ 1,967

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Thu 7/5

2:55 p.m.-7:10 p.m.

2 stops41h 15m

Chiang Mai

Sat 23/5

8:00 p.m.-9:30 a.m.

2 stops48h 30m

C$ 1,981

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

9:35 p.m.-7:10 p.m.

2 stops34h 35m

Chiang Mai

Fri 19/6

8:00 p.m.-2:45 p.m.

2 stops53h 45m

C$ 2,104

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Sat 11/7

6:05 p.m.-1:00 p.m.

2 stops31h 55m

Chiang Mai

Sat 5/9

5:35 p.m.-5:54 a.m.

2 stops47h 19m

C$ 2,283

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai 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 Mai

What is the cheapest month to book a flight from Region of Ontario to Chiang Mai?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Chiang Mai (average of C$ 1,259). Flying from Region of Ontario to Chiang Mai in August is currently the most expensive (average of C$ 1,745). 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 much does it cost to fly round-trip from Region of Ontario to Chiang Mai?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Chiang Mai. 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 Mai from Ontario?

    If you book a flight to Chiang Mai from Ontario, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 3.1 km from the centre of Chiang Mai.

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

    For as low as C$ 1,832, Qatar Airways can have you in Chiang Mai from Region of Ontario in 21h 40m. There are 13060 km between Region of Ontario and Chiang Mai. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Chiang Mai?

    The most popular flight routes from Region of Ontario to Chiang Mai are Toronto Pearson Intl - Chiang Mai, Montreal Pierre Elliott Trudeau Intl - Chiang Mai and Ottawa - Chiang Mai.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Region of Ontario to Chiang Mai?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Chiang Mai (average of C$ 1,259). Flying from Region of Ontario to Chiang Mai in August is currently the most expensive (average of C$ 1,745). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Chiang Mai

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

Top 4 airlines flying from Ontario to Chiang Mai

Discover the top 4 airlines that operate flights from Ontario to Chiang Mai. 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 629,999 searches. Data last updated 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapestC$ 1,121AverageC$ 1,702FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Etihad AirwaysCheapestC$ 1,268AverageC$ 1,459FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
DeltaCheapestC$ 1,467AverageC$ 1,520FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
EVA AirCheapestC$ 1,579AverageC$ 1,872FlexibilityNo cancel feeOn-time74%
Search EVA Air 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 Mai?

Cheapflights helps you search for flights from Ontario to Chiang Mai 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 Mai?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Chiang Mai for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Chiang Mai with no change fees?

Yes, we can. To see specific flights from Ontario to Chiang Mai with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Chiang Mai become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chiang Mai from Ontario today and book when prices fit your budget.

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