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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap from C$ 1,227

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 17/6. 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

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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
8:50 p.m. - 9:10 a.m.
YUL
-
SAI
24h 20m
2 stops
Multiple Airlines Logo
1:20 p.m. - 2:05 p.m.
SAI
-
YUL
36h 45m
2 stops
C$ 2,088Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 9:10 a.m.
YUL
-
SAI
24h 20m
2 stops
Multiple Airlines Logo
1:20 p.m. - 2:05 p.m.
SAI
-
YUL
36h 45m
2 stops
C$ 2,089Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
6:20 p.m. - 6:45 p.m.
YUL
-
SAI
36h 25m
2 stops
Multiple Airlines Logo
7:25 p.m. - 5:00 p.m.
SAI
-
YUL
33h 35m
2 stops
C$ 2,106Multiple Airlines
Sat, 7 Nov - Mon, 30 Nov
SWISS Logo
4:45 p.m. - 9:50 a.m.
YUL
-
SAI
29h 05m
2 stops
SWISS Logo
9:55 a.m. - 3:10 p.m.
SAI
-
YUL
41h 15m
2 stops
C$ 2,118SWISS
Sun, 8 Nov - Mon, 30 Nov
Multiple Airlines Logo
8:50 p.m. - 9:10 a.m.
YUL
-
SAI
24h 20m
2 stops
Multiple Airlines Logo
1:20 p.m. - 2:05 p.m.
SAI
-
YUL
36h 45m
2 stops
C$ 2,143Multiple Airlines
Thu, 12 Nov - Sat, 5 Dec
Multiple Airlines Logo
8:50 p.m. - 7:05 p.m.
YUL
-
SAI
34h 15m
2 stops
Multiple Airlines Logo
1:20 p.m. - 2:05 p.m.
SAI
-
YUL
36h 45m
2 stops
C$ 2,144Multiple Airlines
Thu, 12 Nov - Sat, 5 Dec
Multiple Airlines Logo
8:50 p.m. - 9:10 a.m.
YUL
-
SAI
24h 20m
2 stops
Multiple Airlines Logo
1:20 p.m. - 2:05 p.m.
SAI
-
YUL
36h 45m
2 stops
C$ 2,146Multiple Airlines
Thu, 12 Nov - Sat, 5 Dec
Emirates Logo
11:10 a.m. - 9:30 p.m.
YUL
-
SAI
47h 20m
3 stops
Emirates Logo
11:50 p.m. - 12:33 a.m.
SAI
-
YUL
59h 43m
3 stops
C$ 2,150Emirates
Thu, 1 Oct - Sat, 24 Oct
Emirates Logo
11:10 a.m. - 9:30 p.m.
YUL
-
SAI
47h 20m
3 stops
Emirates Logo
11:50 p.m. - 12:23 p.m.
SAI
-
YUL
47h 33m
3 stops
C$ 2,151Emirates
Thu, 1 Oct - Sat, 24 Oct
Emirates Logo
9:10 a.m. - 9:10 p.m.
YUL
-
SAI
48h 00m
3 stops
Emirates Logo
11:50 p.m. - 7:35 a.m.
SAI
-
YUL
43h 45m
2 stops
C$ 2,168Emirates
Thu, 12 Nov - Sat, 5 Dec

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
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
59h 43m
3 stops
YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,150
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
47h 33m
3 stops
YUL12:23 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,151
Emirates
12 Nov
YUL9:10 a.m.Montreal Pierre Elliott Trudeau Intl
48h 00m
3 stops
SAI9:10 p.m.Siem Reap–Angkor Intl
5 Dec
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 45m
2 stops
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,168

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

Our best SWISS deals on Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap flight tickets
SWISS
8 Nov
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
29h 05m
2 stops
SAI9:50 a.m.Siem Reap–Angkor Intl
30 Nov
SAI9:55 a.m.Siem Reap–Angkor Intl
41h 15m
2 stops
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,118
SWISS
31 Oct
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
35h 35m
3 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
29 Nov
SAI9:55 a.m.Siem Reap–Angkor Intl
41h 30m
3 stops
YUL3:25 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,213

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 18 May 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
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-9:10 a.m.

2 stops24h 20m

Siem Reap–Angkor Intl

Thu 3/12

1:20 p.m.-2:05 p.m.

2 stops36h 45m

C$ 2,088

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-9:10 a.m.

2 stops24h 20m

Siem Reap–Angkor Intl

Thu 3/12

1:20 p.m.-2:05 p.m.

2 stops36h 45m

C$ 2,089

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

6:20 p.m.-6:45 p.m.

2 stops36h 25m

Siem Reap–Angkor Intl

Mon 30/11

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

2 stops33h 35m

C$ 2,106

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

4:45 p.m.-9:50 a.m.

2 stops29h 05m

Siem Reap–Angkor Intl

Mon 30/11

9:55 a.m.-3:10 p.m.

2 stops41h 15m

C$ 2,118

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-9:10 a.m.

2 stops24h 20m

Siem Reap–Angkor Intl

Sat 5/12

1:20 p.m.-2:05 p.m.

2 stops36h 45m

C$ 2,143

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-7:05 p.m.

2 stops34h 15m

Siem Reap–Angkor Intl

Sat 5/12

1:20 p.m.-2:05 p.m.

2 stops36h 45m

C$ 2,144

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-9:10 a.m.

2 stops24h 20m

Siem Reap–Angkor Intl

Sat 5/12

1:20 p.m.-2:05 p.m.

2 stops36h 45m

C$ 2,146

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

11:10 a.m.-9:30 p.m.

3 stops47h 20m

Siem Reap–Angkor Intl

Sat 24/10

11:50 p.m.-12:33 a.m.

3 stops59h 43m

C$ 2,150

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

11:10 a.m.-9:30 p.m.

3 stops47h 20m

Siem Reap–Angkor Intl

Sat 24/10

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

3 stops47h 33m

C$ 2,151

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

Sat 5/12

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

2 stops43h 45m

C$ 2,168

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

24h 20m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap takes 24h 20m
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.
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Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

  • 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.

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

  • 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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