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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap, Cambodia from C$ 789

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAI
2 Sep — 9 Sep1
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 3 August 2026.

Wed 30/99:35 p.m.
YUL
-
SAI
2 stops31h 35m
Multiple Airlines
Sun 29/1111:45 a.m.
SAI
-
YUL
2 stops62h 20m
Multiple Airlines
Deal found 30/7C$ 1,843
Tue 29/99:35 p.m.
YUL
-
SAI
2 stops36h 55m
Multiple Airlines
Sat 14/1111:50 p.m.
SAI
-
YUL
2 stops50h 15m
Multiple Airlines
Deal found 31/7C$ 1,875
Sun 8/118:50 p.m.
YUL
-
SAI
2 stops36h 20m
Multiple Airlines
Sat 21/1111:50 p.m.
SAI
-
YUL
2 stops50h 15m
Multiple Airlines
Deal found 1/8C$ 1,929
Sat 7/117:30 a.m.
YUL
-
SAI
2 stops47h 15m
Multiple Airlines
Mon 30/119:55 a.m.
SAI
-
YUL
2 stops45h 40m
Multiple Airlines
Deal found 30/7C$ 1,944
Wed 7/106:00 p.m.
YUL
-
SAI
2 stops28h 00m
Multiple Airlines
Wed 28/107:25 p.m.
SAI
-
YUL
2 stops33h 35m
Multiple Airlines
Deal found 1/8C$ 1,972
Mon 9/116:15 p.m.
YUL
-
SAI
2 stops30h 25m
Multiple Airlines
Sun 22/117:25 p.m.
SAI
-
YUL
2 stops33h 35m
Multiple Airlines
Deal found 1/8C$ 1,999
Thu 12/118:50 p.m.
YUL
-
SAI
2 stops33h 55m
Multiple Airlines
Thu 3/127:25 p.m.
SAI
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 30/7C$ 2,002
Mon 9/114:35 p.m.
YUL
-
SAI
2 stops28h 40m
Multiple Airlines
Sat 21/117:25 p.m.
SAI
-
YUL
2 stops36h 10m
Multiple Airlines
Deal found 1/8C$ 2,016
Thu 1/1012:45 p.m.
YUL
-
SAI
2 stops33h 15m
Multiple Airlines
Wed 21/107:35 p.m.
SAI
-
YUL
2 stops32h 25m
Multiple Airlines
Deal found 1/8C$ 2,031

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 3 August 2026.

Round-trip from

C$ 1,843

One-way from

C$ 789
30/9-29/11
  • 30/9-29/11
  • 4 total stops
  • 93h 55m total
  • Montreal to Siem Reap
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 47h 50m 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 3 August 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

Tue 29/9

12:45 p.m.-9:00 a.m.

2 stops33h 15m

Siem Reap–Angkor Intl

Sat 14/11

7:25 p.m.-8:33 p.m.

2 stops37h 08m

C$ 1,968

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-6:45 p.m.

2 stops33h 55m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,006

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

12:20 p.m.-9:00 a.m.

2 stops33h 40m

Siem Reap–Angkor Intl

Thu 5/11

7:25 p.m.-7:35 p.m.

2 stops36h 10m

C$ 2,075
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:35 p.m.-6:55 p.m.

2 stops34h 20m

Siem Reap–Angkor Intl

Sat 17/10

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

2 stops30h 10m

C$ 2,082

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 28/12

7:30 a.m.-9:15 a.m.

2 stops37h 45m

Siem Reap–Angkor Intl

Fri 29/1

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

2 stops33h 35m

C$ 2,096

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

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

3 stops47h 00m

Siem Reap–Angkor Intl

Sat 21/11

11:50 p.m.-7:35 a.m.

2 stops43h 45m

C$ 2,186

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

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

3 stops48h 00m

Siem Reap–Angkor Intl

Thu 3/12

11:50 p.m.-1:25 p.m.

3 stops49h 35m

C$ 2,210

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

4:40 p.m.-9:50 a.m.

2 stops53h 10m

Siem Reap–Angkor Intl

Mon 30/11

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

3 stops37h 45m

C$ 2,221
Cheapest one-way

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

7:15 a.m.-6:05 p.m.

3 stops47h 50m

C$ 789
Quickest one-way

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

5:30 p.m.-9:00 a.m.

2 stops28h 30m

C$ 1,298

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 3 August 2026.
Read reviews from past customers who have flown SWISS from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
2,022 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Food

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

LAX - ZRH

I want the first option as an entree no more I ordered the Meat it was horrible. The aspect and the taste. First time on Swiss airlines ‘s Business class was surprise on the mediocre of the food. The seats are not as comfortable as in Emirates Brrtish airlines and Iberia airlines The service was ok not great The vanity xase is a joke Only socks, toothpaste and toothbrush. I just choose Swiss air because it was a direct flight. Next time I will rather have a flight nonstop that flying again with this company. I am a frequent flyer traveling 4 or 5 times a intraoceanic flight.but I do not think to flight for the moment again with Swiss. Great disappointment
SWISS
7.5
Good
2,022 reviews
SWISS
7.5
Good
2,022 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Food

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

LAX - ZRH

I want the first option as an entree no more I ordered the Meat it was horrible. The aspect and the taste. First time on Swiss airlines ‘s Business class was surprise on the mediocre of the food. The seats are not as comfortable as in Emirates Brrtish airlines and Iberia airlines The service was ok not great The vanity xase is a joke Only socks, toothpaste and toothbrush. I just choose Swiss air because it was a direct flight. Next time I will rather have a flight nonstop that flying again with this company. I am a frequent flyer traveling 4 or 5 times a intraoceanic flight.but I do not think to flight for the moment again with Swiss. Great disappointment

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. 1 airline 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Pierre Elliott Trudeau Intl to Siem Reap

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to Siem Reap. 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 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 1,974AverageC$ 2,121FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Siem Reap?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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