In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 mm per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from YMQ to SAI?

When flying from Montreal to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Siem Reap from Montreal?

Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Montreal to Siem Reap. 1 airline have flights to Siem Reap–Angkor Intl from Montreal on a regular basis. Booking flights from Montreal to Siem Reap–Angkor Intl should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.

Can I find deals for flights from Montreal to Siem Reap that include hotel bookings?

Yes. In addition to deals on Montreal to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to Siem Reap?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Siem Reap.

Can I find deals for business class flights from Montreal to Siem Reap?

Yes. Cheapflights offers flight deals from Montreal to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 1,819+ Cheap Flights from Montreal to Siem Reap, Cambodia

Cheap flight deals from Montreal to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

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Cheapest flights from Montreal to Siem Reap
Explore the most affordable flight options available from Montreal to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Mon 16/116:15 p.m. -

2 stops27h 00m

Wed 16/127:25 p.m. -

2 stops37h 08m

Deal found 20/8C$ 1,819

Sun 15/118:45 a.m. -

2 stops36h 30m

Mon 14/127:25 p.m. -

2 stops36h 10m

Deal found 18/8C$ 1,840

Wed 23/98:05 p.m. -

2 stops33h 05m

Sat 28/114:50 p.m. -

2 stops37h 10m

Deal found 17/8C$ 1,973

Thu 12/1110:40 a.m. -

2 stops35h 05m

Thu 3/121:40 p.m. -

2 stops29h 55m

Deal found 22/8C$ 2,050

Sat 7/1110:40 a.m. -

2 stops35h 05m

Sun 29/116:05 p.m. -

2 stops49h 30m

Deal found 22/8C$ 2,103

Find flight deals from Montreal to Siem Reap

Round-trip from	C$ 1,819

16/11-16/12
4 total stops
64h 08m total
Montreal to Siem Reap

Search Deals

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Route

Depart

Return

Price

Cheapest round-trip

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

8:05 p.m.-4:10 p.m.

2 stops33h 05m

Siem Reap–Angkor Intl

Sat 28/11

4:50 p.m.-6:00 p.m.

2 stops37h 10m

C$ 2,001

Quickest round-trip

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-9:15 a.m.

2 stops24h 25m

Siem Reap–Angkor Intl

Thu 3/12

1:40 p.m.-2:05 p.m.

2 stops36h 25m

C$ 2,092

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

10:40 a.m.-9:45 a.m.

2 stops35h 05m

Siem Reap–Angkor Intl

Sun 29/11

6:05 p.m.-7:35 a.m.

2 stops49h 30m

C$ 2,103

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

8:05 p.m.-5:10 p.m.

3 stops34h 05m

Siem Reap–Angkor Intl

Sat 28/11

11:50 p.m.-6:00 p.m.

2 stops30h 10m

C$ 2,137

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:35 p.m.-5:10 p.m.

2 stops32h 35m

Siem Reap–Angkor Intl

Sat 17/10

7:10 p.m.-2:45 p.m.

2 stops54h 35m

C$ 2,148

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

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

3 stops47h 00m

Siem Reap–Angkor Intl

Thu 3/12

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

2 stops43h 45m

C$ 2,199

Cheapest one-way

Quickest one-way

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

12:40 p.m.-8:45 a.m.

2 stops32h 05m

C$ 3,125

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

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

3 stops48h 00m

C$ 6,224

MontrealSiem Reap

YUL Montreal Pierre Elliott Trudeau Intl - SAI Siem Reap–Angkor Intl

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

8:00 p.m.-6:45 p.m.

3 stops58h 45m

C$ 6,675

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Sorted by cheapest first

Best time to book a flight from Montreal to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Montreal with our price prediction graph.

YMQ-SAI

YUL-SAI

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Siem Reap

YMQ-SAI

YUL-SAI

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Siem Reap from Montreal?
Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Montreal to Siem Reap. 1 airline have flights to Siem Reap–Angkor Intl from Montreal on a regular basis. Booking flights from Montreal to Siem Reap–Angkor Intl should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.
Can I find deals for flights from Montreal to Siem Reap that include hotel bookings?
Yes. In addition to deals on Montreal to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Siem Reap.
Can I find deals for business class flights from Montreal to Siem Reap?
Yes. Cheapflights offers flight deals from Montreal to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Pierre Elliott Trudeau Intl to Siem Reap flights

Ottawa to Siem Reap flights

Top airline flying from Montreal to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
SWISS	CheapestC$ 1,935	AverageC$ 2,087	FlexibilityNo cancel fee	On-time79%	Search SWISS flights

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Can Cheapflights find flights from Montreal to Siem Reap with no change fees?

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Cheap flights from Montreal to Siem Reap, Cambodia from C$ 1,819

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Siem Reap

Cheapest flights from Montreal to Siem ReapExplore the most affordable flight options available from Montreal to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Montreal to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Montreal to Siem ReapDiscover carefully curated flight deals from Montreal to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Montreal to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Montreal to Siem ReapDiscover last-minute flight deals from Montreal to Siem Reap. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Montreal to Siem Reap. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Montreal to Siem ReapSearch for one-way flight options from Montreal to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Montreal to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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Best time to book a flight from Montreal to Siem Reap

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Related info for your journey

What airport do you fly into for flights to Siem Reap from Montreal?

Can I find deals for flights from Montreal to Siem Reap that include hotel bookings?

How can I find direct flights from Montreal to Siem Reap?

Can I find deals for business class flights from Montreal to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Montreal to Siem Reap by cabin class

Find flights from Montreal to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Montreal and Siem Reap flights

Browse other Montreal and Siem Reap flight options. Last updated on 22 August 2026.

Other flights from Montreal

Browse through other flights departing from Montreal. Flights are based on user searches made on Cheapflights and were last updated on 22 August 2026.

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Top airline flying from Montreal to Siem Reap

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How does Cheapflights help users find flights from Montreal to Siem Reap?

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Can Cheapflights notify me if prices for flights from Montreal to Siem Reap become cheaper?

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Cheapest flights from Montreal to Siem Reap
Explore the most affordable flight options available from Montreal to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Montreal to Siem Reap
Discover carefully curated flight deals from Montreal to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Montreal to Siem Reap
Discover last-minute flight deals from Montreal to Siem Reap. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Montreal to Siem Reap
Search for one-way flight options from Montreal to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.