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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap from C$ 1,057

This is the cheapest one-way 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 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
1:25 p.m. - 12:40 p.m.
YUL
-
SAI
36h 15m
2 stops
Multiple Airlines Logo
7:25 p.m. - 8:57 p.m.
SAI
-
YUL
36h 32m
2 stops
C$ 1,383Multiple Airlines
Mon, 9 Mar - Tue, 12 May
Multiple Airlines Logo
7:30 a.m. - 9:15 a.m.
YUL
-
SAI
38h 45m
2 stops
Multiple Airlines Logo
7:25 p.m. - 8:57 p.m.
SAI
-
YUL
36h 32m
2 stops
C$ 1,434Multiple Airlines
Tue, 10 Mar - Tue, 12 May
Multiple Airlines Logo
6:20 p.m. - 12:40 p.m.
YUL
-
SAI
31h 20m
2 stops
Multiple Airlines Logo
7:25 p.m. - 5:00 p.m.
SAI
-
YUL
32h 35m
2 stops
C$ 1,607Multiple Airlines
Mon, 9 Mar - Wed, 13 May
Multiple Airlines Logo
9:30 p.m. - 9:00 a.m.
YUL
-
SAI
48h 30m
2 stops
Multiple Airlines Logo
7:25 p.m. - 5:00 p.m.
SAI
-
YUL
32h 35m
2 stops
C$ 1,692Multiple Airlines
Fri, 29 May - Wed, 17 Jun
Multiple Airlines Logo
6:20 p.m. - 9:15 a.m.
YUL
-
SAI
27h 55m
2 stops
Multiple Airlines Logo
7:25 p.m. - 5:00 p.m.
SAI
-
YUL
32h 35m
2 stops
C$ 1,707Multiple Airlines
Tue, 10 Mar - Mon, 11 May
Emirates Logo
11:40 a.m. - 9:10 p.m.
YUL
-
SAI
46h 30m
2 stops
Emirates Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,740Emirates
Sun, 8 Mar - Sat, 9 May
Multiple Airlines Logo
9:30 p.m. - 12:15 p.m.
YUL
-
SAI
51h 45m
2 stops
Multiple Airlines Logo
12:55 p.m. - 6:40 p.m.
SAI
-
YUL
40h 45m
2 stops
C$ 1,745Multiple Airlines
Fri, 29 May - Sat, 20 Jun
Emirates Logo
11:40 a.m. - 9:10 p.m.
YUL
-
SAI
46h 30m
2 stops
Emirates Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,790Emirates
Sun, 8 Mar - Thu, 14 May
Multiple Airlines Logo
6:20 p.m. - 9:15 a.m.
YUL
-
SAI
27h 55m
2 stops
Multiple Airlines Logo
7:25 p.m. - 8:57 p.m.
SAI
-
YUL
36h 32m
2 stops
C$ 1,849Multiple Airlines
Wed, 11 Mar - Tue, 12 May
United Airlines Logo
5:50 p.m. - 3:55 p.m.
YUL
-
SAI
59h 05m
2 stops
United Airlines Logo
10:30 a.m. - 4:45 p.m.
SAI
-
YUL
65h 15m
2 stops
C$ 1,872United Airlines
Mon, 9 Mar - Sun, 10 May

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

Our best Emirates deals on Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap flight tickets
Emirates
8 Mar
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
46h 30m
2 stops
SAI9:10 p.m.Siem Reap–Angkor Intl
9 May
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 10m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,740
Emirates
8 Mar
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
46h 30m
2 stops
SAI9:10 p.m.Siem Reap–Angkor Intl
14 May
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 10m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,790
Emirates
10 Mar
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
46h 30m
2 stops
SAI9:10 p.m.Siem Reap–Angkor Intl
12 May
SAI11:50 p.m.Siem Reap–Angkor Intl
67h 30m
3 stops
YUL8:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,879

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap flight tickets
United Airlines
9 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
59h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
10 May
SAI10:30 a.m.Siem Reap–Angkor Intl
65h 15m
2 stops
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,872
United Airlines
7 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
58h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
10 May
SAI10:30 a.m.Siem Reap–Angkor Intl
44h 30m
2 stops
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,916
United Airlines
7 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
58h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
15 May
SAI10:30 a.m.Siem Reap–Angkor Intl
41h 15m
2 stops
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,958

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of 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 5 February 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

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

1:25 p.m.-12:40 p.m.

2 stops36h 15m

Siem Reap–Angkor Intl

Tue 12/5

7:25 p.m.-8:57 p.m.

2 stops36h 32m

C$ 1,383

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

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

2 stops38h 45m

Siem Reap–Angkor Intl

Tue 12/5

7:25 p.m.-8:57 p.m.

2 stops36h 32m

C$ 1,434

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:20 p.m.-12:40 p.m.

2 stops31h 20m

Siem Reap–Angkor Intl

Wed 13/5

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

2 stops32h 35m

C$ 1,607

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

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

2 stops48h 30m

Siem Reap–Angkor Intl

Wed 17/6

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

2 stops32h 35m

C$ 1,692

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

6:20 p.m.-9:15 a.m.

2 stops27h 55m

Siem Reap–Angkor Intl

Mon 11/5

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

2 stops32h 35m

C$ 1,707

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

11:40 a.m.-9:10 p.m.

2 stops46h 30m

Siem Reap–Angkor Intl

Sat 9/5

11:50 p.m.-8:00 a.m.

2 stops43h 10m

C$ 1,740

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

9:30 p.m.-12:15 p.m.

2 stops51h 45m

Siem Reap–Angkor Intl

Sat 20/6

12:55 p.m.-6:40 p.m.

2 stops40h 45m

C$ 1,745

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

11:40 a.m.-9:10 p.m.

2 stops46h 30m

Siem Reap–Angkor Intl

Thu 14/5

11:50 p.m.-8:00 a.m.

2 stops43h 10m

C$ 1,790

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:20 p.m.-9:15 a.m.

2 stops27h 55m

Siem Reap–Angkor Intl

Tue 12/5

7:25 p.m.-8:57 p.m.

2 stops36h 32m

C$ 1,849

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

5:50 p.m.-3:55 p.m.

2 stops59h 05m

Siem Reap–Angkor Intl

Sun 10/5

10:30 a.m.-4:45 p.m.

2 stops65h 15m

C$ 1,872

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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Cheap Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap flight deals and tips

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

Fastest flight time

27h 05m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap takes 27h 05m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap.
Search flight deals

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents you'll need for your trip to Siem Reap may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap?

    Search flight deals from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

It is quick and easy to find Montreal to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

Yes. momondo allows you to filter the results for Montreal to Siem Reap flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Siem Reap from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Find better results for your trip to Siem Reap

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