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Cheap flights from Ontario to Siem Reap, Cambodia from C$ 895

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAI
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Siem Reap
Explore the most affordable flight options available from Ontario to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 March 2026.

Sat 7/111:25 p.m.
YUL
-
SAI
2 stops35h 15m
Multiple Airlines
Sun 29/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 9/3C$ 1,475
Sat 31/106:20 p.m.
YUL
-
SAI
2 stops27h 55m
Multiple Airlines
Sun 29/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 9/3C$ 1,477
Sun 8/117:00 p.m.
YYZ
-
SAI
2 stops29h 40m
Multiple Airlines
Mon 7/127:25 p.m.
SAI
-
YYZ
2 stops38h 12m
Multiple Airlines
Deal found 9/3C$ 1,527
Fri 25/99:30 p.m.
YUL
-
SAI
2 stops48h 30m
Multiple Airlines
Sat 17/1012:55 p.m.
SAI
-
YUL
2 stops40h 55m
Multiple Airlines
Deal found 12/3C$ 1,570
Sun 3/59:30 p.m.
YUL
-
SAI
2 stops51h 45m
Multiple Airlines
Sun 24/57:30 p.m.
SAI
-
YUL
2 stops40h 10m
Multiple Airlines
Deal found 8/3C$ 1,661
Thu 1/1012:55 p.m.
YUL
-
SAI
2 stops42h 50m
Multiple Airlines
Sat 24/107:30 p.m.
SAI
-
YUL
2 stops35h 06m
Multiple Airlines
Deal found 10/3C$ 1,718
Sun 8/115:00 p.m.
YYZ
-
SAI
3 stops40h 10m
Emirates
Mon 7/121:20 p.m.
SAI
-
YYZ
2 stops31h 30m
Emirates
Deal found 9/3C$ 2,015
Fri 20/39:10 p.m.
YYZ
-
SAI
2 stops25h 00m
Multiple Airlines
Mon 30/36:05 p.m.
SAI
-
YYZ
2 stops55h 55m
Multiple Airlines
Deal found 8/3C$ 2,379

Find flight deals from Ontario to Siem Reap

Keep the following information in mind while searching for Ontario to Siem Reap flight deals. Data was last updated 12 March 2026.

Round-trip from

C$ 1,661

One-way from

C$ 895
3/5-24/5
  • 3/5-24/5
  • 4 total stops
  • 91h 55m total
  • Ontario to Siem Reap
Search Deals
8/6
  • 8/6
  • 3 total stops
  • 44h 15m total
  • Ontario to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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, Cheapflights users made 629,999 searches. Data last updated 12 March 2026.
Use the filters below to find and compare flights from Ontario 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

Mon 11/5

8:55 p.m.-6:45 p.m.

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 23/5

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

2 stops40h 05m

C$ 1,803

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

1:05 p.m.-12:15 p.m.

2 stops36h 10m

Siem Reap–Angkor Intl

Tue 30/6

7:30 p.m.-6:40 p.m.

2 stops34h 10m

C$ 1,848
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

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

2 stops28h 00m

Siem Reap–Angkor Intl

Mon 15/6

7:30 p.m.-6:40 p.m.

2 stops34h 10m

C$ 2,011

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:00 p.m.-9:30 p.m.

3 stops38h 30m

Siem Reap–Angkor Intl

Sun 24/5

10:35 p.m.-8:00 a.m.

2 stops44h 25m

C$ 2,015

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

10:15 a.m.-12:15 p.m.

2 stops39h 00m

Siem Reap–Angkor Intl

Tue 16/6

11:50 p.m.-7:45 a.m.

3 stops66h 55m

C$ 2,049

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

2 stops48h 15m

Siem Reap–Angkor Intl

Tue 30/6

11:50 p.m.-7:45 a.m.

3 stops66h 55m

C$ 2,125

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

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

3 stops48h 20m

Siem Reap–Angkor Intl

Sun 14/6

12:55 p.m.-8:00 a.m.

2 stops30h 05m

C$ 2,138

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

8:30 p.m.-9:30 p.m.

3 stops62h 00m

Siem Reap–Angkor Intl

Sat 13/6

11:50 p.m.-8:00 a.m.

2 stops43h 10m

C$ 2,140

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Fri 20/3

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

2 stops25h 00m

Siem Reap–Angkor Intl

Mon 30/3

6:05 p.m.-3:00 p.m.

2 stops55h 55m

C$ 2,379
Cheapest one-way

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 7/6

8:15 a.m.-6:05 p.m.

3 stops46h 50m

C$ 927

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Ontario with our price prediction graph.
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 Ontario to Siem Reap
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Ontario to Siem Reap.

  • How long is the flight from Region of Ontario to Siem Reap?

    Airlines like Emirates fly from Region of Ontario to Siem Reap in about 39h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13461 km.

  • What are the most popular routes from Region of Ontario to Siem Reap?

    When deciding which route to take from Region of Ontario to Siem Reap consider Montreal Pierre Elliott Trudeau Intl - Siem Reap–Angkor Intl, Toronto Pearson Intl - Siem Reap–Angkor Intl or Toronto Island - Siem Reap–Angkor Intl as they are the most popular.

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

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

  • How can I find direct flights from Ontario to Siem Reap?

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

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

    Yes. Cheapflights offers flight deals from Ontario 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Siem Reap

Discover the top airline that operate flights from Ontario to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,275AverageC$ 1,354FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario 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.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Siem Reap?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Siem Reap by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Ontario to Siem Reap with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.

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