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Cheap flights from Montreal to Siem Reap from C$ 1,974

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 to Siem Reap departing on 25/9. 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 to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 p.m. - 9:00 a.m.
YUL
-
SAI
33h 20m
2 stops
Multiple Airlines Logo
7:35 p.m. - 5:00 p.m.
SAI
-
YUL
32h 25m
2 stops
C$ 1,974Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
12:40 p.m. - 9:00 a.m.
YUL
-
SAI
33h 20m
2 stops
Multiple Airlines Logo
7:35 p.m. - 5:00 p.m.
SAI
-
YUL
32h 25m
2 stops
C$ 2,034Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
12:40 p.m. - 9:00 a.m.
YUL
-
SAI
33h 20m
2 stops
Multiple Airlines Logo
7:35 p.m. - 5:00 p.m.
SAI
-
YUL
32h 25m
2 stops
C$ 2,048Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
12:40 p.m. - 9:00 a.m.
YUL
-
SAI
33h 20m
2 stops
Multiple Airlines Logo
7:35 p.m. - 5:00 p.m.
SAI
-
YUL
32h 25m
2 stops
C$ 2,072Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
8:50 p.m. - 12:40 p.m.
YUL
-
SAI
27h 50m
2 stops
Multiple Airlines Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
30h 40m
2 stops
C$ 2,086Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 12:40 p.m.
YUL
-
SAI
27h 50m
2 stops
Multiple Airlines Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
30h 40m
2 stops
C$ 2,089Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 12:40 p.m.
YUL
-
SAI
27h 50m
2 stops
Multiple Airlines Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
30h 40m
2 stops
C$ 2,093Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 12:40 p.m.
YUL
-
SAI
27h 50m
2 stops
Multiple Airlines Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
30h 40m
2 stops
C$ 2,095Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 12:40 p.m.
YUL
-
SAI
27h 50m
2 stops
Multiple Airlines Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
30h 40m
2 stops
C$ 2,098Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec
Multiple Airlines Logo
8:50 p.m. - 7:40 p.m.
YUL
-
SAI
34h 50m
2 stops
Multiple Airlines Logo
5:05 p.m. - 2:05 p.m.
SAI
-
YUL
57h 00m
3 stops
C$ 2,127Multiple Airlines
Thu, 12 Nov - Thu, 3 Dec

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Lufthansa flights from Montreal to Siem Reap

Our best Lufthansa deals on Montreal to Siem Reap flight tickets
Lufthansa
1 Oct
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
35h 15m
2 stops
SAI6:55 p.m.Siem Reap–Angkor Intl
24 Oct
SAI10:30 a.m.Siem Reap–Angkor Intl
37h 30m
2 stops
YUL1:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,271
Lufthansa
25 Sep
YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl
34h 25m
3 stops
SAI6:55 p.m.Siem Reap–Angkor Intl
17 Oct
SAI7:35 p.m.Siem Reap–Angkor Intl
32h 05m
3 stops
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,880

Emirates flights from Montreal to Siem Reap

Our best Emirates deals on Montreal 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$ 2,170
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$ 2,173
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$ 2,174

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 28 June 2026.
Use the filters below to find and compare flights from Montreal 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

Fri 25/9

12:40 p.m.-9:00 a.m.

2 stops33h 20m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-5:00 p.m.

2 stops32h 25m

C$ 1,974

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

12:40 p.m.-9:00 a.m.

2 stops33h 20m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-5:00 p.m.

2 stops32h 25m

C$ 2,034

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

12:40 p.m.-9:00 a.m.

2 stops33h 20m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-5:00 p.m.

2 stops32h 25m

C$ 2,048

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

12:40 p.m.-9:00 a.m.

2 stops33h 20m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-5:00 p.m.

2 stops32h 25m

C$ 2,072
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-12:40 p.m.

2 stops27h 50m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,086

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-12:40 p.m.

2 stops27h 50m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,089

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-12:40 p.m.

2 stops27h 50m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,093

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-12:40 p.m.

2 stops27h 50m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,095

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-12:40 p.m.

2 stops27h 50m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops30h 40m

C$ 2,098

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-7:40 p.m.

2 stops34h 50m

Siem Reap–Angkor Intl

Thu 3/12

5:05 p.m.-2:05 p.m.

3 stops57h 00m

C$ 2,127

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Montreal 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 to Siem Reap–Angkor Intl?

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

When to book flights from Montreal to Siem Reap

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

Cheap Montreal to Siem Reap (YMQ to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Siem Reap

Fastest flight time

27h 50m

Direct flights

None
The fastest flight from Montreal to Siem Reap takes 27h 50m
There are no direct flights from Montreal to Siem Reap. There are no popular flight routes from Montreal to Siem Reap.
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Frequently asked questions about flying from Montreal to Siem Reap

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

    There are 13456.0 km between Montreal and Siem Reap–Angkor Intl. Typically, this will take 27h 50m by plane in normal conditions.

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

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

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

    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 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 you'll need for your trip to Siem Reap–Angkor Intl Airport 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–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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. All flights to Siem Reap from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of Montreal to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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