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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chiang Mai from C$ 778

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — CNX
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Chiang Mai
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Mon 11/55:40 p.m.
YUL
-
CNX
2 stops29h 45m
Multiple Airlines
Wed 27/511:35 a.m.
CNX
-
YUL
2 stops43h 25m
Multiple Airlines
Deal found 6/3C$ 1,416
Tue 1/98:10 a.m.
YUL
-
CNX
2 stops39h 15m
Multiple Airlines
Thu 1/1011:35 a.m.
CNX
-
YUL
2 stops44h 10m
Multiple Airlines
Deal found 10/3C$ 1,431
Tue 12/58:10 a.m.
YUL
-
CNX
2 stops39h 15m
Multiple Airlines
Tue 26/511:35 a.m.
CNX
-
YUL
2 stops54h 16m
Multiple Airlines
Deal found 8/3C$ 1,479
Wed 16/94:30 p.m.
YUL
-
CNX
2 stops29h 50m
Multiple Airlines
Wed 30/911:30 a.m.
CNX
-
YUL
2 stops42h 51m
Multiple Airlines
Deal found 9/3C$ 1,483
Thu 17/96:00 p.m.
YUL
-
CNX
2 stops35h 35m
Air Canada
Mon 21/95:35 p.m.
CNX
-
YUL
2 stops42h 04m
Air Canada
Deal found 6/3C$ 1,502
Mon 11/54:55 p.m.
YUL
-
CNX
2 stops54h 30m
Multiple Airlines
Tue 26/511:35 a.m.
CNX
-
YUL
2 stops54h 16m
Multiple Airlines
Deal found 8/3C$ 1,503
Sun 10/56:25 p.m.
YUL
-
CNX
2 stops53h 00m
Multiple Airlines
Sun 24/511:35 a.m.
CNX
-
YUL
2 stops30h 16m
Multiple Airlines
Deal found 8/3C$ 1,608

Find flight deals from Pierre Elliott Trudeau Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 March 2026.

Round-trip from

C$ 1,479

One-way from

C$ 778
12/5-26/5
  • 12/5-26/5
  • 4 total stops
  • 93h 31m total
  • Montreal to Chiang Mai
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 50h 35m total
  • Montreal to Chiang Mai
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 11 March 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Tue 1/9

8:10 a.m.-10:25 a.m.

2 stops39h 15m

Chiang Mai

Thu 1/10

11:35 a.m.-8:45 p.m.

2 stops44h 10m

C$ 1,431

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

6:25 p.m.-10:25 a.m.

2 stops53h 00m

Chiang Mai

Wed 27/5

11:35 a.m.-6:51 a.m.

2 stops54h 16m

C$ 1,496

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

4:55 p.m.-10:25 a.m.

2 stops54h 30m

Chiang Mai

Tue 26/5

11:35 a.m.-6:51 a.m.

2 stops54h 16m

C$ 1,503

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:25 p.m.-10:25 a.m.

2 stops53h 00m

Chiang Mai

Sun 24/5

11:35 a.m.-6:51 a.m.

2 stops30h 16m

C$ 1,608

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

8:55 p.m.-1:45 p.m.

2 stops29h 50m

Chiang Mai

Thu 28/5

9:10 p.m.-2:45 p.m.

2 stops28h 35m

C$ 1,723

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

8:30 p.m.-10:25 a.m.

2 stops26h 55m

Chiang Mai

Thu 1/10

8:00 p.m.-12:36 a.m.

3 stops39h 36m

C$ 1,803

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

5:40 p.m.-10:25 a.m.

2 stops53h 45m

Chiang Mai

Mon 3/8

11:35 a.m.-1:52 a.m.

2 stops25h 17m

C$ 1,925

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

12:55 p.m.-10:00 p.m.

1 stop22h 05m

Chiang Mai

Sat 15/8

5:35 p.m.-12:37 a.m.

2 stops42h 02m

C$ 1,995
Quickest round-trip

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

8:30 p.m.-10:25 a.m.

2 stops26h 55m

Chiang Mai

Wed 29/7

11:35 a.m.-1:52 a.m.

2 stops25h 17m

C$ 2,004
Cheapest one-way

MontrealChiang Mai

YUL - CNX

YULCNX

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

8:30 a.m.-10:05 p.m.

3 stops50h 35m

C$ 778

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Pierre Elliott Trudeau Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Pierre Elliott Trudeau Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl?

    Chiang Mai (CNX) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Chiang Mai. You should not have trouble finding flights to Chiang Mai from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Chiang Mai airport from Montreal Pierre Elliott Trudeau Intl. It is only a 3.1 km journey from Chiang Mai (CNX) to Chiang Mai’s city centre.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Chiang Mai that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Chiang Mai?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Chiang Mai?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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.

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Chiang Mai?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Chiang Mai from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Chiang Mai with no change fees?

Certainly. Search results for flights to Chiang Mai from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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