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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap, Cambodia from C$ 1,130

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAI
19 Jul — 26 Jul1
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 19 June 2026.

Tue 18/81:05 p.m.
YUL
-
SAI
2 stops32h 55m
Multiple Airlines
Tue 25/87:35 p.m.
SAI
-
YUL
2 stops34h 05m
Multiple Airlines
Deal found 18/6C$ 1,861
Thu 1/1012:40 p.m.
YUL
-
SAI
2 stops43h 15m
Multiple Airlines
Wed 21/107:35 p.m.
SAI
-
YUL
2 stops32h 25m
Multiple Airlines
Deal found 16/6C$ 1,950
Sun 8/116:20 p.m.
YUL
-
SAI
2 stops36h 25m
Multiple Airlines
Mon 30/117:25 p.m.
SAI
-
YUL
2 stops33h 35m
Multiple Airlines
Deal found 15/6C$ 2,083
Thu 12/118:50 p.m.
YUL
-
SAI
2 stops35h 40m
Multiple Airlines
Thu 3/127:25 p.m.
SAI
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 19/6C$ 2,090
Sun 4/109:35 p.m.
YUL
-
SAI
2 stops28h 40m
Multiple Airlines
Wed 10/34:00 p.m.
SAI
-
YUL
2 stops34h 05m
Multiple Airlines
Deal found 17/6C$ 2,095

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 19 June 2026.

Round-trip from

C$ 1,861

One-way from

C$ 1,130
18/8-25/8
  • 18/8-25/8
  • 4 total stops
  • 67h 00m total
  • Montreal to Siem Reap
Search Deals
4/8
  • 4/8
  • 3 total stops
  • 49h 45m 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 19 June 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-8:30 p.m.

2 stops35h 40m

Siem Reap–Angkor Intl

Sat 5/12

7:25 p.m.-2:05 p.m.

2 stops30h 40m

C$ 2,149

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

10:10 a.m.-9:30 p.m.

3 stops48h 20m

Siem Reap–Angkor Intl

Sat 24/10

11:50 p.m.-12:23 p.m.

3 stops47h 33m

C$ 2,177
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:35 p.m.-12:15 p.m.

2 stops27h 40m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-2:45 p.m.

2 stops30h 10m

C$ 2,218

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:50 p.m.-9:15 a.m.

2 stops50h 25m

Siem Reap–Angkor Intl

Thu 3/12

9:55 a.m.-11:40 a.m.

3 stops37h 45m

C$ 2,229

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:50 p.m.-6:45 p.m.

2 stops35h 55m

Siem Reap–Angkor Intl

Sat 5/12

9:55 a.m.-11:40 a.m.

3 stops37h 45m

C$ 2,235

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

10:10 a.m.-9:30 p.m.

3 stops48h 20m

Siem Reap–Angkor Intl

Wed 21/10

12:55 p.m.-8:00 a.m.

2 stops54h 05m

C$ 2,248

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

10:15 a.m.-9:30 p.m.

2 stops24h 15m

Siem Reap–Angkor Intl

Sat 17/10

11:50 p.m.-8:20 a.m.

3 stops67h 30m

C$ 2,341
Cheapest one-way

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

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

3 stops49h 45m

C$ 1,130

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 29/7

8:30 a.m.-3:10 p.m.

3 stops43h 40m

C$ 1,240

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

6:15 p.m.-3:55 p.m.

2 stops57h 40m

C$ 3,105

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 13 resultsSorted by cheapest first
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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.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap?

    For as low as C$ 2,177, Emirates can have you in Siem Reap from Montreal Pierre Elliott Trudeau Intl Airport in 48h 20m. Montreal Pierre Elliott Trudeau Intl Airport and Siem Reap are separated by a distance of 13461 km.

  • 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?

Yes! Start tracking prices for Pierre Elliott Trudeau Intl to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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