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Cheap flights from Ontario to Siem Reap from C$ 960

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Siem Reap departing on 16/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
10:15 a.m. - 9:30 p.m.
YUL
-
SAI
48h 15m
2 stops
Emirates Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,746Emirates
Thu, 23 Apr - Tue, 26 May
Emirates Logo
10:15 a.m. - 9:30 p.m.
YUL
-
SAI
48h 15m
2 stops
Emirates Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,779Emirates
Tue, 21 Apr - Tue, 26 May
Multiple Airlines Logo
6:45 a.m. - 9:30 p.m.
YUL
-
SAI
51h 45m
3 stops
Multiple Airlines Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,829Multiple Airlines
Tue, 21 Apr - Tue, 26 May
Emirates Logo
10:15 a.m. - 9:30 p.m.
YUL
-
SAI
48h 15m
2 stops
Emirates Logo
11:50 p.m. - 8:00 a.m.
SAI
-
YUL
43h 10m
2 stops
C$ 1,882Emirates
Thu, 23 Apr - Thu, 28 May
Multiple Airlines Logo
9:30 p.m. - 9:00 a.m.
YUL
-
SAI
48h 30m
2 stops
Multiple Airlines Logo
12:55 p.m. - 6:50 p.m.
SAI
-
YUL
40h 55m
2 stops
C$ 1,906Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Singapore Airlines Logo
6:30 a.m. - 9:40 a.m.
YYZ
-
SAI
40h 10m
2 stops
Singapore Airlines Logo
10:30 a.m. - 4:14 p.m.
SAI
-
YYZ
40h 44m
2 stops
C$ 2,115Singapore Airlines
Fri, 1 May - Sat, 9 May
Qatar Airways Logo
9:00 p.m. - 6:45 p.m.
YYZ
-
SAI
34h 45m
2 stops
Qatar Airways Logo
1:05 p.m. - 5:00 p.m.
SAI
-
YYZ
38h 55m
2 stops
C$ 6,284Qatar Airways
Mon, 20 Apr - Wed, 29 Apr
Qatar Airways Logo
9:00 p.m. - 6:45 p.m.
YYZ
-
SAI
34h 45m
2 stops
Qatar Airways Logo
7:30 p.m. - 5:00 p.m.
SAI
-
YYZ
32h 30m
2 stops
C$ 6,400Qatar Airways
Wed, 22 Apr - Mon, 27 Apr
Etihad Airways Logo
1:40 p.m. - 9:00 a.m.
YYZ
-
SAI
32h 20m
2 stops
Etihad Airways Logo
1:20 p.m. - 9:20 a.m.
SAI
-
YYZ
32h 00m
2 stops
C$ 9,063Etihad Airways
Thu, 1 Oct - Mon, 4 Jan
Etihad Airways Logo
1:40 p.m. - 9:00 a.m.
YYZ
-
SAI
32h 20m
2 stops
Etihad Airways Logo
7:25 p.m. - 9:20 a.m.
SAI
-
YYZ
49h 55m
2 stops
C$ 9,080Etihad Airways
Thu, 1 Oct - Mon, 4 Jan

Emirates flights from Region of Ontario to Siem Reap

Our best Emirates deals on Region of Ontario to Siem Reap flight tickets
Emirates
23 Apr
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
48h 15m
2 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
26 May
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 10m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,746
Emirates
21 Apr
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
48h 15m
2 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
26 May
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 10m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,779
Emirates
23 Apr
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
48h 15m
2 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
28 May
SAI11:50 p.m.Siem Reap–Angkor Intl
43h 10m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,882

Qatar Airways flights from Region of Ontario to Siem Reap

Our best Qatar Airways deals on Region of Ontario to Siem Reap flight tickets
Qatar Airways
19 Apr
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 10m
2 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
25 May
SAI9:45 a.m.Siem Reap–Angkor Intl
41h 25m
2 stops
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,104
Qatar Airways
19 Apr
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 10m
2 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
1 Jun
SAI7:45 p.m.Siem Reap–Angkor Intl
31h 25m
2 stops
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,107
Qatar Airways
22 Apr
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 10m
2 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
29 May
SAI7:45 p.m.Siem Reap–Angkor Intl
55h 25m
2 stops
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,136

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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, momondo users made 96,600 searches. Data last updated 10 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 23/4

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

2 stops48h 15m

Siem Reap–Angkor Intl

Tue 26/5

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

2 stops43h 10m

C$ 1,746

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

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

2 stops48h 15m

Siem Reap–Angkor Intl

Tue 26/5

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

2 stops43h 10m

C$ 1,779

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:45 a.m.-9:30 p.m.

3 stops51h 45m

Siem Reap–Angkor Intl

Tue 26/5

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

2 stops43h 10m

C$ 1,829

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

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

2 stops48h 15m

Siem Reap–Angkor Intl

Thu 28/5

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

2 stops43h 10m

C$ 1,882

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

2 stops48h 30m

Siem Reap–Angkor Intl

Sat 17/10

12:55 p.m.-6:50 p.m.

2 stops40h 55m

C$ 1,906

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Fri 1/5

6:30 a.m.-9:40 a.m.

2 stops40h 10m

Siem Reap–Angkor Intl

Sat 9/5

10:30 a.m.-4:14 p.m.

2 stops40h 44m

C$ 2,115

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Mon 20/4

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

2 stops34h 45m

Siem Reap–Angkor Intl

Wed 29/4

1:05 p.m.-5:00 p.m.

2 stops38h 55m

C$ 6,284

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Wed 22/4

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

2 stops34h 45m

Siem Reap–Angkor Intl

Mon 27/4

7:30 p.m.-5:00 p.m.

2 stops32h 30m

C$ 6,400
Quickest round-trip

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 1/10

1:40 p.m.-9:00 a.m.

2 stops32h 20m

Siem Reap–Angkor Intl

Mon 4/1

1:20 p.m.-9:20 a.m.

2 stops32h 00m

C$ 9,063

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 1/10

1:40 p.m.-9:00 a.m.

2 stops32h 20m

Siem Reap–Angkor Intl

Mon 4/1

7:25 p.m.-9:20 a.m.

2 stops49h 55m

C$ 9,080

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Region of Ontario to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Siem Reap–Angkor Intl?

Emirates and SWISS are the most popular carriers operating from Ontario to Siem Reap–Angkor Intl

Cheap Region of Ontario to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Siem Reap

Fastest flight time

27h 40m

Direct flights

None
The fastest flight from Region of Ontario to Siem Reap takes 27h 40m
There are no direct flights from Region of Ontario to Siem Reap. There are no popular flight routes from Region of Ontario to Siem Reap.
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Frequently asked questions about flying from Ontario to Siem Reap

  • When did momondo last update prices for flights from Ontario to Siem Reap–Angkor Intl Airport?

    Prices for flights from Ontario to Siem Reap–Angkor Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ontario to Siem Reap–Angkor Intl Airport?

  • How old do you have to be to fly from Ontario to Siem Reap–Angkor Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Siem Reap

Compare and see reviews for airlines that fly from Region of Ontario to Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 1,299Free CancellationRating
7.4
9,562 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Siem Reap?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Siem Reap . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Siem Reap?

Once all potential Ontario to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Siem Reap right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Siem Reap, momondo offers a useful price alert feature which will track prices for flights to Siem Reap from Ontario and alert you when they change.

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