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Cheap flights from Ontario to Siem Reap from C$ 1,071

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
10 Jul — 17 Jul1
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 10 June 2026.

Tue 13/101:05 p.m.
YYZ
-
SAI
2 stops32h 55m
Multiple Airlines
Sun 1/111:20 p.m.
SAI
-
YYZ
2 stops39h 35m
Multiple Airlines
Deal found 8/6C$ 1,693
Sun 1/1112:30 p.m.
YYZ
-
SAI
2 stops32h 45m
Multiple Airlines
Thu 14/11:20 p.m.
SAI
-
YYZ
2 stops39h 35m
Multiple Airlines
Deal found 7/6C$ 1,761
Mon 5/101:05 p.m.
YYZ
-
SAI
2 stops32h 55m
Multiple Airlines
Fri 16/107:35 p.m.
SAI
-
YYZ
2 stops31h 35m
Multiple Airlines
Deal found 7/6C$ 1,783
Fri 27/119:00 a.m.
YUL
-
SAI
2 stops36h 15m
Multiple Airlines
Sun 20/127:25 p.m.
SAI
-
YUL
2 stops33h 38m
Multiple Airlines
Deal found 6/6C$ 1,919
Thu 9/712:55 p.m.
YUL
-
SAI
2 stops36h 20m
Multiple Airlines
Thu 16/77:35 p.m.
SAI
-
YUL
2 stops32h 24m
Multiple Airlines
Deal found 9/6C$ 1,922
Tue 13/102:55 p.m.
YYZ
-
SAI
2 stops43h 35m
Emirates
Sun 1/111:20 p.m.
SAI
-
YYZ
2 stops31h 30m
Emirates
Deal found 5/6C$ 1,945
Fri 25/912:40 p.m.
YUL
-
SAI
2 stops33h 20m
Multiple Airlines
Sat 17/107:35 p.m.
SAI
-
YUL
2 stops32h 25m
Multiple Airlines
Deal found 9/6C$ 2,014
Thu 26/118:50 p.m.
YUL
-
SAI
2 stops33h 15m
Multiple Airlines
Fri 18/127:05 p.m.
SAI
-
YUL
2 stops55h 00m
Multiple Airlines
Deal found 7/6C$ 2,064
Thu 12/118:50 p.m.
YUL
-
SAI
2 stops33h 15m
Multiple Airlines
Thu 3/127:05 p.m.
SAI
-
YUL
2 stops31h 00m
Multiple Airlines
Deal found 9/6C$ 2,108
Tue 9/69:35 p.m.
YUL
-
SAI
2 stops27h 40m
Qatar Airways
Mon 29/612:55 p.m.
SAI
-
YUL
2 stops36h 50m
Qatar Airways
Deal found 7/6C$ 2,147
Sun 1/111:55 p.m.
YYZ
-
SAI
2 stops43h 15m
Emirates
Thu 14/111:50 p.m.
SAI
-
YYZ
3 stops30h 57m
Emirates
Deal found 7/6C$ 2,313
Fri 2/1010:05 p.m.
YOW
-
SAI
3 stops32h 05m
Multiple Airlines
Fri 16/1012:55 p.m.
SAI
-
YOW
3 stops27h 48m
Multiple Airlines
Deal found 7/6C$ 3,243

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 10 June 2026.

Round-trip from

C$ 1,693

One-way from

C$ 1,071
13/10-1/11
  • 13/10-1/11
  • 4 total stops
  • 72h 30m total
  • Ontario to Siem Reap
Search Deals
15/7
  • 15/7
  • 2 total stops
  • 50h 00m 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 10 June 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

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 13/10

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

2 stops32h 55m

Siem Reap–Angkor Intl

Sun 1/11

1:20 p.m.-4:55 p.m.

2 stops39h 35m

C$ 1,693

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 1/11

12:30 p.m.-9:15 a.m.

2 stops32h 45m

Siem Reap–Angkor Intl

Thu 14/1

1:20 p.m.-4:55 p.m.

2 stops39h 35m

C$ 1,761

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 5/10

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

2 stops32h 55m

Siem Reap–Angkor Intl

Fri 16/10

7:35 p.m.-4:10 p.m.

2 stops31h 35m

C$ 1,783

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 stops31h 30m

C$ 1,945

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

8:50 p.m.-8:30 p.m.

2 stops35h 40m

Siem Reap–Angkor Intl

Fri 18/12

5:05 p.m.-2:05 p.m.

3 stops57h 00m

C$ 2,069

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

12:40 p.m.-9:00 a.m.

2 stops33h 20m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-5:00 p.m.

2 stops32h 25m

C$ 2,103
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

8:50 p.m.-1:15 p.m.

2 stops28h 25m

Siem Reap–Angkor Intl

Sat 5/12

8:30 p.m.-2:05 p.m.

2 stops29h 35m

C$ 2,157

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.-12:23 p.m.

3 stops47h 33m

C$ 2,159

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

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

3 stops48h 00m

Siem Reap–Angkor Intl

Sat 5/12

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

2 stops43h 45m

C$ 2,181

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Sun 1/11

1:55 p.m.-9:10 p.m.

2 stops43h 15m

Siem Reap–Angkor Intl

Thu 14/1

11:50 p.m.-6:47 p.m.

3 stops30h 57m

C$ 2,313

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

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.

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

    There are many flights that can get you from Region of Ontario to Region of Siem Reap in 43h 35m. Fly via Emirates to get the fastest option. The distance between Region of Ontario and Region of Siem Reap is about 13649 km.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Siem Reap.

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

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