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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap from C$ 1,834

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap departing on 6/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:05 p.m. - 9:00 a.m.
YUL
-
SAI
32h 55m
2 stops
Multiple Airlines Logo
7:35 p.m. - 6:40 p.m.
SAI
-
YUL
34h 05m
2 stops
C$ 1,834Multiple Airlines
Mon, 6 Jul - Mon, 20 Jul
Multiple Airlines Logo
4:30 p.m. - 9:00 a.m.
YUL
-
SAI
29h 30m
2 stops
Multiple Airlines Logo
10:00 a.m. - 7:15 a.m.
SAI
-
YUL
32h 15m
3 stops
C$ 2,836Multiple Airlines
Mon, 6 Jul - Mon, 20 Jul
Multiple Airlines Logo
6:05 p.m. - 11:15 a.m.
YUL
-
SAI
30h 10m
3 stops
Multiple Airlines Logo
9:40 a.m. - 7:10 a.m.
SAI
-
YUL
32h 30m
3 stops
C$ 3,030Multiple Airlines
Mon, 6 Jul - Mon, 20 Jul

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Emirates flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Our best Emirates deals on Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap flight tickets
Emirates
1 Oct
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
24 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
68h 35m
3 stops
YUL9:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,174
Emirates
1 Oct
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
24 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
68h 35m
3 stops
YUL9:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,177
Emirates
1 Oct
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
24 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
68h 33m
3 stops
YUL9:23 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,178

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 26 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

Mon 6/7

1:05 p.m.-9:00 a.m.

2 stops32h 55m

Siem Reap–Angkor Intl

Mon 20/7

7:35 p.m.-6:40 p.m.

2 stops34h 05m

C$ 1,834
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

4:30 p.m.-9:00 a.m.

2 stops29h 30m

Siem Reap–Angkor Intl

Mon 20/7

10:00 a.m.-7:15 a.m.

3 stops32h 15m

C$ 2,836

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

6:05 p.m.-11:15 a.m.

3 stops30h 10m

Siem Reap–Angkor Intl

Mon 20/7

9:40 a.m.-7:10 a.m.

3 stops32h 30m

C$ 3,030
Cheapest one-way

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

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

2 stops51h 00m

C$ 3,125

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

5:55 p.m.-9:50 a.m.

2 stops51h 55m

C$ 3,215

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

5:55 p.m.-9:50 a.m.

2 stops51h 55m

C$ 3,220

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

5:55 p.m.-9:50 a.m.

2 stops51h 55m

C$ 3,229
Quickest one-way

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

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

3 stops48h 00m

C$ 6,327

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

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

3 stops48h 00m

C$ 6,337

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

8:00 p.m.-6:45 p.m.

3 stops58h 45m

C$ 6,775

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Siem Reap from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Siem Reap–Angkor Intl?

United Airlines and Emirates are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Siem Reap–Angkor Intl

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap (YUL to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Fastest flight time

27h 50m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap takes 27h 50m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap.
Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

  • How far is Montreal Pierre Elliott Trudeau Intl to Siem Reap–Angkor Intl by plane?

    Montreal Pierre Elliott Trudeau Intl and Siem Reap–Angkor Intl are 13460.9 km apart from one another. 27h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap–Angkor Intl Airport are updated daily.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap–Angkor Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Siem Reap?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Siem Reap for you.

Can I find flights from Montreal to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Siem Reap?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Siem Reap.

I’m not ready to book a flight from Montreal to Siem Reap right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Siem Reap from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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