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Cheap flights from Ontario to Siem Reap, Cambodia from C$ 1,112

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAI
28 May — 4 Jun1
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 April 2026.

Thu 15/1012:35 p.m.
YUL
-
SAI
2 stops43h 20m
Multiple Airlines
Tue 10/117:25 p.m.
SAI
-
YUL
2 stops36h 11m
Multiple Airlines
Deal found 23/4C$ 1,705
Sat 31/106:20 p.m.
YUL
-
SAI
2 stops31h 20m
Multiple Airlines
Sun 15/117:25 p.m.
SAI
-
YUL
2 stops36h 11m
Multiple Airlines
Deal found 25/4C$ 1,794
Tue 13/1010:25 p.m.
YYZ
-
SAI
2 stops50h 50m
Multiple Airlines
Sun 1/117:25 p.m.
SAI
-
YYZ
2 stops38h 12m
Multiple Airlines
Deal found 27/4C$ 1,835
Fri 30/106:20 p.m.
YUL
-
SAI
2 stops27h 55m
Multiple Airlines
Sun 15/117:25 p.m.
SAI
-
YUL
2 stops37h 41m
Multiple Airlines
Deal found 25/4C$ 1,843
Mon 10/86:35 p.m.
YUL
-
SAI
2 stops37h 20m
Multiple Airlines
Thu 20/87:35 p.m.
SAI
-
YUL
2 stops32h 24m
Multiple Airlines
Deal found 25/4C$ 1,885
Sun 27/126:20 p.m.
YUL
-
SAI
2 stops30h 20m
Multiple Airlines
Thu 28/17:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 24/4C$ 1,932
Sat 31/106:20 p.m.
YUL
-
SAI
2 stops31h 20m
Multiple Airlines
Sat 14/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 25/4C$ 1,941
Fri 13/113:25 p.m.
YYZ
-
SAI
2 stops29h 45m
Multiple Airlines
Sun 29/117:10 p.m.
SAI
-
YYZ
2 stops30h 15m
Multiple Airlines
Deal found 27/4C$ 1,964
Fri 30/106:20 p.m.
YUL
-
SAI
2 stops37h 25m
Multiple Airlines
Sat 14/117:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 25/4C$ 1,990
Mon 18/52:55 p.m.
YYZ
-
SAI
2 stops34h 25m
Emirates
Tue 9/611:50 p.m.
SAI
-
YYZ
2 stops44h 40m
Emirates
Deal found 27/4C$ 2,020
Sun 27/126:20 p.m.
YUL
-
SAI
2 stops26h 55m
Multiple Airlines
Sat 30/17:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 24/4C$ 2,043
Mon 28/126:20 p.m.
YUL
-
SAI
2 stops30h 20m
Multiple Airlines
Fri 29/17:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 26/4C$ 2,064

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 April 2026.

Round-trip from

C$ 1,705

One-way from

C$ 1,112
15/10-10/11
  • 15/10-10/11
  • 4 total stops
  • 79h 31m total
  • Ontario to Siem Reap
Search Deals
15/7
  • 15/7
  • 3 total stops
  • 43h 05m 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 April 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

Thu 15/10

12:35 p.m.-6:55 p.m.

2 stops43h 20m

Siem Reap–Angkor Intl

Tue 10/11

7:25 p.m.-7:36 p.m.

2 stops36h 11m

C$ 1,705

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 19/5

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

2 stops43h 35m

Siem Reap–Angkor Intl

Tue 9/6

11:50 p.m.-9:30 a.m.

2 stops44h 40m

C$ 2,020

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Wed 1/7

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

2 stops36h 30m

Siem Reap–Angkor Intl

Thu 9/7

7:35 p.m.-4:24 p.m.

2 stops31h 49m

C$ 2,090

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

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

3 stops48h 20m

Siem Reap–Angkor Intl

Tue 10/11

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

2 stops43h 45m

C$ 2,155

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 19/5

2:55 p.m.-12:20 p.m.

2 stops34h 25m

Siem Reap–Angkor Intl

Mon 8/6

1:05 p.m.-9:30 a.m.

2 stops31h 25m

C$ 2,157

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:35 p.m.-1:15 p.m.

2 stops28h 40m

Siem Reap–Angkor Intl

Sat 17/10

10:35 p.m.-2:45 p.m.

2 stops51h 10m

C$ 2,199

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.-8:15 a.m.

2 stops67h 25m

C$ 2,202

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 18/5

6:15 a.m.-9:30 p.m.

3 stops28h 15m

Siem Reap–Angkor Intl

Tue 9/6

11:50 p.m.-9:30 a.m.

2 stops44h 40m

C$ 2,316

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 17/5

11:00 p.m.-9:30 p.m.

3 stops35h 30m

Siem Reap–Angkor Intl

Mon 8/6

1:05 p.m.-9:30 a.m.

2 stops31h 25m

C$ 2,452
Quickest round-trip

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 17/5

11:00 p.m.-9:30 p.m.

3 stops35h 30m

Siem Reap–Angkor Intl

Tue 9/6

11:50 p.m.-6:53 p.m.

3 stops30h 03m

C$ 2,912

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 18 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

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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,318AverageC$ 1,359FlexibilityNo 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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