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Cheap flights from Montreal to Siem Reap from C$ 1,722

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 2/9. 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

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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
6:35 p.m. - 9:00 a.m.
YUL
-
SAI
27h 25m
2 stops
Multiple Airlines Logo
7:30 p.m. - 4:50 p.m.
SAI
-
YUL
32h 20m
2 stops
C$ 1,722Multiple Airlines
Wed, 2 Sep - Wed, 30 Sep
Qatar Airways Logo
9:35 p.m. - 6:45 p.m.
YUL
-
SAI
34h 10m
2 stops
Qatar Airways Logo
9:40 a.m. - 2:45 p.m.
SAI
-
YUL
40h 05m
2 stops
C$ 2,093Qatar Airways
Sun, 30 Aug - Tue, 29 Sep
Multiple Airlines Logo
10:15 a.m. - 8:45 a.m.
YUL
-
SAI
35h 30m
2 stops
Multiple Airlines Logo
6:55 p.m. - 8:00 a.m.
SAI
-
YUL
48h 05m
2 stops
C$ 2,126Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Emirates Logo
10:10 a.m. - 9:30 p.m.
YUL
-
SAI
48h 20m
3 stops
Emirates Logo
11:50 p.m. - 7:36 a.m.
SAI
-
YUL
66h 46m
3 stops
C$ 2,133Emirates
Sun, 30 Aug - Thu, 1 Oct
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
54h 15m
2 stops
C$ 2,142Qatar Airways
Sun, 30 Aug - Wed, 30 Sep
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
30h 15m
2 stops
C$ 2,147Qatar Airways
Fri, 4 Sep - Mon, 28 Sep
Emirates Logo
11:10 a.m. - 9:30 p.m.
YUL
-
SAI
47h 20m
3 stops
Emirates Logo
11:50 p.m. - 1:21 p.m.
SAI
-
YUL
48h 31m
3 stops
C$ 2,184Emirates
Thu, 3 Sep - Sat, 3 Oct
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
54h 15m
2 stops
C$ 2,195Qatar Airways
Fri, 4 Sep - Fri, 2 Oct
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
30h 15m
2 stops
C$ 2,202Qatar Airways
Fri, 4 Sep - Sat, 3 Oct
Multiple Airlines Logo
10:15 a.m. - 8:45 a.m.
YUL
-
SAI
35h 30m
2 stops
Multiple Airlines Logo
2:50 p.m. - 8:00 a.m.
SAI
-
YUL
52h 10m
3 stops
C$ 2,235Multiple Airlines
Wed, 2 Sep - Wed, 30 Sep

Qatar Airways flights from Montreal to Siem Reap

Our best Qatar Airways deals on Montreal to Siem Reap flight tickets
Qatar Airways
30 Aug
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 10m
2 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
29 Sep
SAI9:40 a.m.Siem Reap–Angkor Intl
40h 05m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,093
Qatar Airways
30 Aug
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
24h 25m
2 stops
SAI9:00 a.m.Siem Reap–Angkor Intl
30 Sep
SAI7:30 p.m.Siem Reap–Angkor Intl
54h 15m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,142
Qatar Airways
4 Sep
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
24h 25m
2 stops
SAI9:00 a.m.Siem Reap–Angkor Intl
28 Sep
SAI7:30 p.m.Siem Reap–Angkor Intl
30h 15m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,147

Emirates flights from Montreal to Siem Reap

Our best Emirates deals on Montreal to Siem Reap flight tickets
Emirates
30 Aug
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
48h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
1 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
66h 46m
3 stops
YUL7:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,133
Emirates
3 Sep
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
3 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
48h 31m
3 stops
YUL1:21 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,184
Emirates
3 Sep
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
27 Sep
SAI12:55 p.m.Siem Reap–Angkor Intl
54h 05m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,253

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 26 March 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

Wed 2/9

6:35 p.m.-9:00 a.m.

2 stops27h 25m

Siem Reap–Angkor Intl

Wed 30/9

7:30 p.m.-4:50 p.m.

2 stops32h 20m

C$ 1,722

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

9:35 p.m.-6:45 p.m.

2 stops34h 10m

Siem Reap–Angkor Intl

Tue 29/9

9:40 a.m.-2:45 p.m.

2 stops40h 05m

C$ 2,093

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

10:15 a.m.-8:45 a.m.

2 stops35h 30m

Siem Reap–Angkor Intl

Mon 27/4

6:55 p.m.-8:00 a.m.

2 stops48h 05m

C$ 2,126

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

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

3 stops48h 20m

Siem Reap–Angkor Intl

Thu 1/10

11:50 p.m.-7:36 a.m.

3 stops66h 46m

C$ 2,133

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

9:35 p.m.-9:00 a.m.

2 stops24h 25m

Siem Reap–Angkor Intl

Wed 30/9

7:30 p.m.-2:45 p.m.

2 stops54h 15m

C$ 2,142
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

9:35 p.m.-9:00 a.m.

2 stops24h 25m

Siem Reap–Angkor Intl

Mon 28/9

7:30 p.m.-2:45 p.m.

2 stops30h 15m

C$ 2,147

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

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

3 stops47h 20m

Siem Reap–Angkor Intl

Sat 3/10

11:50 p.m.-1:21 p.m.

3 stops48h 31m

C$ 2,184

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

9:35 p.m.-9:00 a.m.

2 stops24h 25m

Siem Reap–Angkor Intl

Fri 2/10

7:30 p.m.-2:45 p.m.

2 stops54h 15m

C$ 2,195

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

9:35 p.m.-9:00 a.m.

2 stops24h 25m

Siem Reap–Angkor Intl

Sat 3/10

7:30 p.m.-2:45 p.m.

2 stops30h 15m

C$ 2,202

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

10:15 a.m.-8:45 a.m.

2 stops35h 30m

Siem Reap–Angkor Intl

Wed 30/9

2:50 p.m.-8:00 a.m.

3 stops52h 10m

C$ 2,235

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

34h 10m

Direct flights

None
The fastest flight from Montreal to Siem Reap takes 34h 10m
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 34h 10m 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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