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Cheap flights from Ontario to Chiang Mai from C$ 687

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNX
23 Jun — 30 Jun1
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 24 May 2026.

Wed 25/113:25 p.m.
YYZ
-
CNX
1 stop34h 55m
China Eastern
Sun 6/123:35 p.m.
CNX
-
YYZ
1 stop33h 50m
China Eastern
Deal found 19/5C$ 1,505
Mon 16/113:25 p.m.
YYZ
-
CNX
1 stop34h 55m
China Eastern
Thu 10/123:35 p.m.
CNX
-
YYZ
1 stop33h 50m
China Eastern
Deal found 23/5C$ 1,532
Sun 6/910:40 p.m.
YYZ
-
CNX
2 stops49h 35m
Air Canada
Sun 20/99:10 p.m.
CNX
-
YYZ
2 stops46h 50m
Air Canada
Deal found 21/5C$ 1,601
Mon 14/94:30 p.m.
YUL
-
CNX
2 stops31h 45m
Air Canada
Wed 14/1011:30 a.m.
CNX
-
YUL
2 stops44h 15m
Air Canada
Deal found 24/5C$ 1,611
Wed 23/97:30 a.m.
YUL
-
CNX
2 stops40h 45m
Air Canada
Sun 27/99:10 p.m.
CNX
-
YUL
2 stops30h 50m
Air Canada
Deal found 23/5C$ 1,613
Wed 30/95:40 p.m.
YUL
-
CNX
2 stops53h 45m
Multiple Airlines
Wed 18/1111:50 a.m.
CNX
-
YUL
2 stops31h 55m
Multiple Airlines
Deal found 23/5C$ 1,689
Sat 3/106:00 p.m.
YUL
-
CNX
2 stops30h 15m
Multiple Airlines
Sat 17/105:35 p.m.
CNX
-
YUL
2 stops38h 10m
Multiple Airlines
Deal found 24/5C$ 1,716
Wed 30/98:10 a.m.
YUL
-
CNX
2 stops39h 15m
Multiple Airlines
Tue 17/1111:50 a.m.
CNX
-
YUL
2 stops44h 48m
Multiple Airlines
Deal found 23/5C$ 1,724
Thu 1/108:10 a.m.
YUL
-
CNX
2 stops39h 15m
Multiple Airlines
Wed 18/1111:50 a.m.
CNX
-
YUL
2 stops31h 55m
Multiple Airlines
Deal found 23/5C$ 1,756
Fri 2/106:25 p.m.
YUL
-
CNX
2 stops29h 00m
Multiple Airlines
Wed 18/1111:50 a.m.
CNX
-
YUL
2 stops31h 55m
Multiple Airlines
Deal found 23/5C$ 1,767
Wed 30/95:40 p.m.
YUL
-
CNX
2 stops53h 45m
Multiple Airlines
Fri 11/1211:50 a.m.
CNX
-
YUL
2 stops31h 55m
Multiple Airlines
Deal found 24/5C$ 1,771
Wed 25/115:45 p.m.
YOW
-
CNX
2 stops56h 35m
Multiple Airlines
Sun 6/123:35 p.m.
CNX
-
YOW
2 stops49h 23m
Multiple Airlines
Deal found 19/5C$ 1,774

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 24 May 2026.

Round-trip from

C$ 1,532

One-way from

C$ 687

Popular in

May

Cheapest in

January

Average price

C$ 2,565
China Eastern
  • China Eastern
  • 16/11-10/12
  • 2 total stops
  • 68h 45m total
  • Ontario to Chiang Mai
Search Deals
12/8
  • 12/8
  • 2 total stops
  • 33h 55m total
  • Ontario to Chiang Mai
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 313 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 24 May 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

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Sat 12/9

3:45 p.m.-6:40 p.m.

1 stop39h 55m

Chiang Mai

Wed 16/9

7:25 p.m.-5:45 a.m.

1 stop21h 20m

C$ 1,651

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

1:15 p.m.-11:15 a.m.

2 stops35h 00m

Chiang Mai

Wed 14/10

2:35 p.m.-8:21 p.m.

3 stops40h 46m

C$ 1,850

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

9:35 p.m.-11:15 a.m.

2 stops26h 40m

Chiang Mai

Wed 18/11

10:10 a.m.-2:05 p.m.

2 stops39h 55m

C$ 1,856

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

9:35 p.m.-1:45 p.m.

2 stops29h 10m

Chiang Mai

Thu 19/11

7:45 p.m.-2:05 p.m.

2 stops54h 20m

C$ 1,860

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

9:35 p.m.-1:45 p.m.

2 stops29h 10m

Chiang Mai

Sat 21/11

7:45 p.m.-2:05 p.m.

2 stops30h 20m

C$ 1,994

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

9:35 p.m.-1:45 p.m.

2 stops29h 10m

Chiang Mai

Sat 21/11

7:45 p.m.-2:05 p.m.

2 stops30h 20m

C$ 1,994

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Thu 5/11

6:00 a.m.-2:20 p.m.

2 stops44h 20m

Chiang Mai

Tue 17/11

3:35 p.m.-12:42 a.m.

2 stops45h 07m

C$ 2,034

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Tue 10/11

1:55 p.m.-9:50 a.m.

1 stop31h 55m

Chiang Mai

Thu 3/12

7:40 p.m.-12:15 p.m.

1 stop28h 35m

C$ 2,035

TorontoChiang Mai

YYZ - CNX

YYZCNX

Toronto Pearson Intl

Sat 12/9

2:55 p.m.-1:45 p.m.

2 stops35h 50m

Chiang Mai

Wed 16/9

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

2 stops48h 30m

C$ 2,055

OttawaChiang Mai

YOW - CNX

YOWCNX

Ottawa

Sat 31/10

5:45 p.m.-8:45 a.m.

2 stops28h 00m

Chiang Mai

Mon 18/1

12:10 p.m.-3:46 p.m.

2 stops39h 36m

C$ 2,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/5

Showing 1-10 of 46 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, January is the cheapest month in which you can book a flight from Region of Ontario to Chiang Mai (average of C$ 1,114). Flying from Region of Ontario to Chiang Mai in August is currently the most expensive (average of C$ 1,800). 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?

How far ahead should I book a flight from Region of Ontario to Chiang Mai?

The best time to book flights from Region of Ontario to Chiang Mai is 66 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.

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$ 1,856, Cathay Pacific can have you in Chiang Mai from Region of Ontario in 26h 40m. There are 12826 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, Ottawa - Chiang Mai and Montreal Pierre Elliott Trudeau Intl - 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, January is the cheapest month in which you can book a flight from Region of Ontario to Chiang Mai (average of C$ 1,114). Flying from Region of Ontario to Chiang Mai in August is currently the most expensive (average of C$ 1,800). 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.
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Top 5 airlines flying from Ontario to Chiang Mai

Discover the top 5 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 24 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapestC$ 1,113AverageC$ 1,690FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Etihad AirwaysCheapestC$ 1,259AverageC$ 1,464FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapestC$ 1,439AverageC$ 1,512FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
DeltaCheapestC$ 1,457AverageC$ 1,510FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
EVA AirCheapestC$ 1,568AverageC$ 1,839FlexibilityNo 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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