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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap, Cambodia from C$ 1,430

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAI
2 Mar — 9 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Siem Reap
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 January 2026.

Sat 31/106:20 p.m.
YUL
-
SAI
2 stops27h 55m
Multiple Airlines
Sun 29/117:25 p.m.
SAI
-
YUL
2 stops36h 11m
Multiple Airlines
Deal found 30/1C$ 1,430
Sat 14/116:20 p.m.
YUL
-
SAI
2 stops26h 55m
Multiple Airlines
Sun 29/111:20 p.m.
SAI
-
YUL
2 stops39h 43m
Multiple Airlines
Deal found 31/1C$ 1,467
Sun 8/116:20 p.m.
YUL
-
SAI
2 stops30h 20m
Multiple Airlines
Mon 30/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 30/1C$ 1,481
Sun 15/116:20 p.m.
YUL
-
SAI
2 stops26h 55m
Multiple Airlines
Sun 29/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 31/1C$ 1,483
Sat 7/116:20 p.m.
YUL
-
SAI
2 stops26h 55m
Multiple Airlines
Mon 30/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 30/1C$ 1,486
Fri 25/99:30 p.m.
YUL
-
SAI
2 stops51h 45m
Multiple Airlines
Sat 17/1012:55 p.m.
SAI
-
YUL
2 stops40h 55m
Multiple Airlines
Deal found 30/1C$ 1,525
Thu 1/1012:55 p.m.
YUL
-
SAI
2 stops36h 20m
Multiple Airlines
Sat 24/107:25 p.m.
SAI
-
YUL
2 stops35h 11m
Multiple Airlines
Deal found 30/1C$ 1,528
Fri 13/116:20 p.m.
YUL
-
SAI
2 stops26h 55m
Multiple Airlines
Sun 29/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 31/1C$ 1,533
Sun 5/79:30 p.m.
YUL
-
SAI
2 stops48h 30m
Multiple Airlines
Sun 12/77:25 p.m.
SAI
-
YUL
2 stops46h 45m
Multiple Airlines
Deal found 28/1C$ 1,681
Fri 10/79:30 p.m.
YUL
-
SAI
2 stops48h 30m
Multiple Airlines
Fri 17/77:25 p.m.
SAI
-
YUL
2 stops58h 15m
Multiple Airlines
Deal found 29/1C$ 1,749
Sat 18/46:00 p.m.
YUL
-
SAI
2 stops28h 00m
Multiple Airlines
Sat 9/57:25 p.m.
SAI
-
YUL
2 stops32h 35m
Multiple Airlines
Deal found 30/1C$ 1,781
Fri 3/79:30 p.m.
YUL
-
SAI
2 stops48h 30m
Multiple Airlines
Fri 10/77:25 p.m.
SAI
-
YUL
2 stops32h 35m
Multiple Airlines
Deal found 29/1C$ 1,808

Find flight deals from Pierre Elliott Trudeau Intl to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Siem Reap (SAI). 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 31 January 2026.

Round-trip from

C$ 1,681
5/7-12/7
  • 5/7-12/7
  • 4 total stops
  • 95h 15m total
  • Montreal to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Siem Reap 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 31 January 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Siem Reap

Route

Depart

Return

Price

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

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

2 stops48h 30m

Siem Reap–Angkor Intl

Sun 12/7

7:25 p.m.-7:10 a.m.

2 stops46h 45m

C$ 1,681

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

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

2 stops48h 30m

Siem Reap–Angkor Intl

Fri 17/7

7:25 p.m.-6:40 p.m.

2 stops58h 15m

C$ 1,749

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

6:00 p.m.-9:00 a.m.

2 stops28h 00m

Siem Reap–Angkor Intl

Sat 9/5

7:25 p.m.-5:00 p.m.

2 stops32h 35m

C$ 1,781

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

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

2 stops48h 30m

Siem Reap–Angkor Intl

Fri 10/7

9:10 p.m.-6:25 p.m.

3 stops32h 15m

C$ 2,728

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Best time to book a flight from Pierre Elliott Trudeau Intl to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap 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 Siem Reap. 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 Siem Reap from Montreal Pierre Elliott Trudeau Intl?

    Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Montreal Pierre Elliott Trudeau Intl to Siem Reap. 0 airlines have flights to Siem Reap–Angkor Intl from Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Montreal Pierre Elliott Trudeau Intl to Siem Reap–Angkor Intl should not be difficult; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day.

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

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Siem Reap?

    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 Siem Reap.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Siem Reap 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 Siem Reap?

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 Siem Reap from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Siem Reap with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Siem Reap, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Siem Reap become cheaper?

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