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Cheap flights from Montreal to Siem Reap from C$ 1,059

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 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.
1 adult

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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
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$ 1,386Multiple 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$ 1,437Multiple Airlines
Tue, 10 Mar - Tue, 12 May
Multiple Airlines Logo
1:25 p.m. - 9:15 a.m.
YUL
-
SAI
32h 50m
2 stops
Multiple Airlines Logo
12:55 p.m. - 5:00 p.m.
SAI
-
YUL
39h 05m
2 stops
C$ 1,610Multiple Airlines
Mon, 9 Mar - Mon, 11 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$ 1,695Multiple 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$ 1,710Multiple 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$ 1,743Emirates
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$ 1,749Multiple 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$ 1,794Emirates
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$ 1,853Multiple 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$ 1,876United Airlines
Mon, 9 Mar - Sun, 10 May

Emirates flights from Montreal to Siem Reap

Our best Emirates deals on Montreal to 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$ 1,743
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$ 1,794
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$ 1,883

United Airlines flights from Montreal to Siem Reap

Our best United Airlines deals on Montreal to 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$ 1,876
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$ 1,920
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$ 1,962

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 6 February 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

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$ 1,386

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$ 1,437

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

1:25 p.m.-9:15 a.m.

2 stops32h 50m

Siem Reap–Angkor Intl

Mon 11/5

12:55 p.m.-5:00 p.m.

2 stops39h 05m

C$ 1,610

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$ 1,695

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$ 1,710

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$ 1,743

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$ 1,749

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$ 1,794

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$ 1,853

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$ 1,876

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

38h 45m

Direct flights

None
The fastest flight from Montreal to Siem Reap takes 38h 45m
There are no direct flights from Montreal to Siem Reap. There are no popular flight routes from Montreal to Siem Reap.
Search flight deals

  • 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 38h 45m 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.

  • How do I get Price Alerts for flights from Montreal to Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Montreal to Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Montreal to Siem Reap with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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