In terms of precipitation, rainfall in Region of 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 Region of Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Region of 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 YUL to SI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap as you normally would.

How can I find direct flights from Pierre Elliott Trudeau Intl to Siem Reap?

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

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Siem Reap?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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$ 926+ Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap

Cheap flight deals from Pierre Elliott Trudeau Intl to Siem Reap

Enter your travel dates to find the best prices.

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Cheapest flights from Pierre Elliott Trudeau Intl to Siem Reap
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Sat 7/119:05 p.m. -

2 stops32h 10m

Mon 30/117:25 p.m. -

2 stops30h 40m

Deal found 26/10C$ 2,158

Thu 12/119:05 p.m. -

2 stops48h 10m

Sat 5/127:25 p.m. -

2 stops30h 40m

Deal found 26/10C$ 2,220

Thu 12/119:05 p.m. -

2 stops48h 10m

Thu 3/127:25 p.m. -

2 stops30h 40m

Deal found 26/10C$ 2,292

Thu 12/114:40 p.m. -

2 stops53h 15m

Thu 3/124:50 p.m. -

2 stops34h 20m

Deal found 29/10C$ 2,372

Sat 7/119:05 p.m. -

2 stops32h 10m

Sun 29/117:25 p.m. -

2 stops30h 40m

Deal found 29/10C$ 2,407

Sun 8/1112:40 p.m. -

2 stops32h 35m

Mon 30/117:25 p.m. -

2 stops37h 05m

Deal found 27/10C$ 2,420

Find flight deals from Pierre Elliott Trudeau Intl to Siem Reap

Round-trip from	C$ 2,084
One-way from	C$ 926

21/1-15/2
4 total stops
73h 38m total
Montreal to Siem Reap

Search Deals

3/12-31/12
3 total stops
46h 05m total
Montreal to Siem Reap

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap that are best for you.

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Route

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Price

Cheapest round-trip

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

8:00 a.m.-6:05 p.m.

3 stops46h 05m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 926

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

6:45 a.m.-9:00 a.m.

3 stops39h 15m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,096

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 4/12

8:10 p.m.-10:35 a.m.

3 stops50h 25m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,249

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 7/4

1:05 p.m.-9:00 a.m.

2 stops32h 55m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,358

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

8:00 a.m.-3:20 p.m.

2 stops43h 20m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,399

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

6:00 p.m.-9:40 a.m.

2 stops28h 40m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,601

Quickest round-trip

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 4/4

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

2 stops24h 25m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,611

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

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

2 stops34h 10m

Siem Reap–Angkor Intl

Wed 31/12

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

Nonstop0h 00m

C$ 1,667

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 3/3

9:05 p.m.-9:15 a.m.

2 stops24h 10m

Siem Reap–Angkor Intl

Thu 25/3

1:20 p.m.-3:05 p.m.

2 stops36h 45m

C$ 1,906

MontrealSiem Reap

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

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/4

10:15 a.m.-9:30 p.m.

2 stops48h 15m

Siem Reap–Angkor Intl

Tue 27/4

11:50 p.m.-12:21 p.m.

3 stops47h 31m

C$ 2,222

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to Siem Reap

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

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 Pierre Elliott Trudeau Intl Airport to Siem Reap

YUL-KHSI

YUL-SAI

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

Reviews of airlines servicing Siem Reap

Get a feel of what it's like to fly with SWISS from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

2,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steve,Oct 2026

FLR - ZRH

Checking in was only issue I had, otherwise it was a good experience.

SWISS

7.5

Good

2,114 reviews

SWISS

7.5

Good

2,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steve,Oct 2026

FLR - ZRH

Checking in was only issue I had, otherwise it was a good experience.

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap?
Airlines like Emirates fly from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap in about 48h 15m. The time it takes to get you to your destination can typically vary by up to . There are 13461 km between Montreal Pierre Elliott Trudeau Intl Airport and Region of Siem Reap.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Siem Reap that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Siem Reap.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Siem Reap?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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.

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Alternative routes for Pierre Elliott Trudeau Intl to Siem Reap

Pierre Elliott Trudeau Intl to Siem Reap flights

Top airline flying from Pierre Elliott Trudeau Intl to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
SWISS	CheapestC$ 1,966	AverageC$ 2,160	FlexibilityNo cancel fee	On-time79%	Search SWISS flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Siem Reap?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to Siem Reap for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Siem Reap with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Siem Reap with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Siem Reap become cheaper?

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap from C$ 926

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to Siem Reap

Cheapest flights from Pierre Elliott Trudeau Intl to Siem ReapExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Pierre Elliott Trudeau Intl to Siem ReapDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Siem ReapDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Siem ReapSearch for one-way flight options from Pierre Elliott Trudeau Intl to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Pierre Elliott Trudeau Intl to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap that are best for you.

Best time to book a flight from Pierre Elliott Trudeau Intl to Siem Reap

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

Cheapflights Insights

Reviews of airlines servicing Siem Reap

Get a feel of what it's like to fly with SWISS from Montreal Pierre Elliott Trudeau Intl Airport to Siem Reap by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Region of Siem Reap?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Siem Reap that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Siem Reap?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pierre Elliott Trudeau Intl 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.

Direct flights to

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Search flights from Pierre Elliott Trudeau Intl to Siem Reap by cabin class

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

Pierre Elliott Trudeau Intl and Siem Reap flights

Browse other Pierre Elliott Trudeau Intl and Siem Reap flight options. Last updated on 30 October 2026.

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Top airline flying from Pierre Elliott Trudeau Intl to Siem Reap

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Siem Reap?

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Siem Reap with no change fees?

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Siem Reap become cheaper?

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Cheapest flights from Pierre Elliott Trudeau Intl to Siem Reap
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Pierre Elliott Trudeau Intl to Siem Reap
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to Siem Reap
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to Siem Reap
Search for one-way flight options from Pierre Elliott Trudeau Intl to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.