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Cheap flights from Ontario to Siem Reap, Cambodia from C$ 1,048

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAI
27 Aug — 3 Sep1
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 28 July 2026.

Tue 29/98:05 p.m.
YUL
-
SAI
2 stops33h 05m
Multiple Airlines
Sat 14/1111:45 a.m.
SAI
-
YUL
2 stops42h 15m
Multiple Airlines
Deal found 24/7C$ 1,795
Mon 28/124:35 p.m.
YUL
-
SAI
2 stops28h 40m
Multiple Airlines
Sun 10/17:25 p.m.
SAI
-
YUL
2 stops37h 08m
Multiple Airlines
Deal found 27/7C$ 1,904
Tue 1/125:40 p.m.
YYZ
-
SAI
2 stops31h 00m
Multiple Airlines
Mon 7/127:25 p.m.
SAI
-
YYZ
2 stops33h 55m
Multiple Airlines
Deal found 24/7C$ 1,904
Sat 15/85:30 p.m.
YUL
-
SAI
2 stops31h 45m
Multiple Airlines
Mon 31/87:35 p.m.
SAI
-
YUL
2 stops34h 05m
Multiple Airlines
Deal found 24/7C$ 1,953
Tue 13/102:55 p.m.
YYZ
-
SAI
2 stops43h 35m
Emirates
Sun 1/111:20 p.m.
SAI
-
YYZ
2 stops55h 30m
Emirates
Deal found 27/7C$ 1,955
Sat 31/107:30 a.m.
YUL
-
SAI
2 stops42h 10m
Multiple Airlines
Sat 12/127:25 p.m.
SAI
-
YUL
2 stops37h 08m
Multiple Airlines
Deal found 26/7C$ 1,962
Thu 12/118:50 p.m.
YUL
-
SAI
2 stops32h 05m
Multiple Airlines
Thu 3/127:25 p.m.
SAI
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 24/7C$ 1,984
Sat 22/85:30 p.m.
YUL
-
SAI
2 stops28h 30m
Multiple Airlines
Sat 12/912:55 p.m.
SAI
-
YUL
2 stops40h 20m
Multiple Airlines
Deal found 23/7C$ 2,027
Thu 12/118:50 p.m.
YUL
-
SAI
2 stops32h 05m
Multiple Airlines
Sat 5/127:25 p.m.
SAI
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 24/7C$ 2,041
Sat 5/95:40 p.m.
YYZ
-
SAI
2 stops28h 20m
Multiple Airlines
Sat 19/97:35 p.m.
SAI
-
YYZ
2 stops34h 40m
Multiple Airlines
Deal found 26/7C$ 2,055
Thu 19/1112:15 a.m.
YYZ
-
SAI
2 stops30h 30m
Multiple Airlines
Sat 28/119:55 a.m.
SAI
-
YYZ
2 stops22h 25m
Multiple Airlines
Deal found 25/7C$ 2,138

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 28 July 2026.

Round-trip from

C$ 1,795

One-way from

C$ 1,048
29/9-14/11
  • 29/9-14/11
  • 4 total stops
  • 75h 20m total
  • Ontario to Siem Reap
Search Deals
1/1
  • 1/1
  • 3 total stops
  • 50h 35m 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 28 July 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

Tue 29/9

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

2 stops33h 05m

Siem Reap–Angkor Intl

Sat 14/11

11:45 a.m.-6:00 p.m.

2 stops42h 15m

C$ 1,804

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 13/10

2:55 p.m.-9:30 p.m.

2 stops43h 35m

Siem Reap–Angkor Intl

Sun 1/11

1:20 p.m.-8:50 a.m.

2 stops55h 30m

C$ 1,955

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-6:45 p.m.

2 stops33h 55m

Siem Reap–Angkor Intl

Thu 3/12

7:25 p.m.-2:05 p.m.

2 stops30h 40m

C$ 2,015

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

5:30 p.m.-9:00 a.m.

2 stops28h 30m

Siem Reap–Angkor Intl

Sat 12/9

12:55 p.m.-6:15 p.m.

2 stops40h 20m

C$ 2,027

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-4:55 p.m.

2 stops32h 05m

Siem Reap–Angkor Intl

Sat 5/12

7:25 p.m.-2:05 p.m.

2 stops30h 40m

C$ 2,060
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

2 stops24h 25m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-2:45 p.m.

2 stops30h 10m

C$ 2,093

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Fri 15/1

1:55 p.m.-12:40 p.m.

2 stops58h 45m

Siem Reap–Angkor Intl

Mon 15/2

1:20 p.m.-8:50 a.m.

2 stops55h 30m

C$ 2,154

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

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

3 stops48h 20m

Siem Reap–Angkor Intl

Sat 24/10

11:50 p.m.-8:25 a.m.

3 stops67h 35m

C$ 2,169

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 21/1

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

3 stops48h 00m

Siem Reap–Angkor Intl

Sun 21/2

1:20 p.m.-7:35 a.m.

2 stops54h 15m

C$ 2,234

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sat 5/9

2:55 p.m.-12:15 p.m.

2 stops34h 20m

Siem Reap–Angkor Intl

Sat 19/9

11:50 p.m.-11:26 p.m.

3 stops34h 36m

C$ 2,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 27 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 43h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13649 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

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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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