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Cheap flights from Ontario to Siem Reap from C$ 1,015

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 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
Multiple Airlines Logo
6:35 p.m. - 9:00 a.m.
YUL
-
SAI
27h 25m
2 stops
Multiple Airlines Logo
7:30 p.m. - 4:50 p.m.
SAI
-
YUL
32h 20m
2 stops
C$ 1,714Multiple Airlines
Wed, 2 Sep - Wed, 30 Sep
Emirates Logo
2:55 p.m. - 9:30 p.m.
YYZ
-
SAI
43h 35m
2 stops
Emirates Logo
11:50 p.m. - 9:30 a.m.
SAI
-
YYZ
44h 40m
2 stops
C$ 1,863Emirates
Thu, 16 Apr - Thu, 23 Apr
Emirates Logo
2:55 p.m. - 9:30 p.m.
YYZ
-
SAI
43h 35m
2 stops
Emirates Logo
11:50 p.m. - 9:30 a.m.
SAI
-
YYZ
44h 40m
2 stops
C$ 1,865Emirates
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
10:15 a.m. - 9:30 p.m.
YUL
-
SAI
48h 15m
2 stops
Multiple Airlines Logo
6:30 p.m. - 8:00 a.m.
SAI
-
YUL
48h 30m
2 stops
C$ 2,006Multiple Airlines
Thu, 2 Apr - Sun, 26 Apr
Qatar Airways Logo
9:35 p.m. - 6:45 p.m.
YUL
-
SAI
34h 10m
2 stops
Qatar Airways Logo
9:40 a.m. - 2:45 p.m.
SAI
-
YUL
40h 05m
2 stops
C$ 2,083Qatar Airways
Sun, 30 Aug - Thu, 1 Oct
Multiple Airlines Logo
7:45 p.m. - 9:30 p.m.
YUL
-
SAI
38h 45m
3 stops
Multiple Airlines Logo
6:30 p.m. - 8:00 a.m.
SAI
-
YUL
48h 30m
2 stops
C$ 2,086Multiple Airlines
Thu, 2 Apr - Sun, 26 Apr
Multiple Airlines Logo
10:15 a.m. - 8:45 a.m.
YUL
-
SAI
35h 30m
2 stops
Multiple Airlines Logo
6:55 p.m. - 8:00 a.m.
SAI
-
YUL
48h 05m
2 stops
C$ 2,116Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Emirates Logo
10:10 a.m. - 9:30 p.m.
YUL
-
SAI
48h 20m
3 stops
Emirates Logo
11:50 p.m. - 7:36 a.m.
SAI
-
YUL
66h 46m
3 stops
C$ 2,123Emirates
Sun, 30 Aug - Thu, 1 Oct
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
54h 15m
2 stops
C$ 2,131Qatar Airways
Sun, 30 Aug - Wed, 30 Sep
Qatar Airways Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Qatar Airways Logo
7:30 p.m. - 2:45 p.m.
SAI
-
YUL
30h 15m
2 stops
C$ 2,136Qatar Airways
Fri, 4 Sep - Mon, 28 Sep

Emirates flights from Region of Ontario to Region of Siem Reap

Our best Emirates deals on Region of Ontario to Region of Siem Reap flight tickets
Emirates
16 Apr
YYZ2:55 p.m.Toronto Pearson Intl
34h 25m
2 stops
SAI12:20 p.m.Siem Reap–Angkor Intl
23 Apr
SAI11:50 p.m.Siem Reap–Angkor Intl
44h 40m
2 stops
YYZ9:30 a.m.Toronto Pearson Intl
C$ 1,862
Emirates
16 Apr
YYZ2:55 p.m.Toronto Pearson Intl
43h 35m
2 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
23 Apr
SAI11:50 p.m.Siem Reap–Angkor Intl
44h 40m
2 stops
YYZ9:30 a.m.Toronto Pearson Intl
C$ 1,863
Emirates
30 Aug
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
48h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
1 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
66h 46m
3 stops
YUL7:36 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,123

Qatar Airways flights from Region of Ontario to Region of Siem Reap

Our best Qatar Airways deals on Region of Ontario to Region of Siem Reap flight tickets
Qatar Airways
30 Aug
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 10m
2 stops
SAI6:45 p.m.Siem Reap–Angkor Intl
1 Oct
SAI9:40 a.m.Siem Reap–Angkor Intl
40h 05m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,083
Qatar Airways
30 Aug
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
24h 25m
2 stops
SAI9:00 a.m.Siem Reap–Angkor Intl
30 Sep
SAI7:30 p.m.Siem Reap–Angkor Intl
54h 15m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,131
Qatar Airways
4 Sep
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
24h 25m
2 stops
SAI9:00 a.m.Siem Reap–Angkor Intl
28 Sep
SAI7:30 p.m.Siem Reap–Angkor Intl
30h 15m
2 stops
YUL2:45 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 Region of 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 23 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

Wed 2/9

6:35 p.m.-9:00 a.m.

2 stops27h 25m

Siem Reap–Angkor Intl

Wed 30/9

7:30 p.m.-4:50 p.m.

2 stops32h 20m

C$ 1,714

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 16/4

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

2 stops43h 35m

Siem Reap–Angkor Intl

Thu 23/4

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

2 stops44h 40m

C$ 1,863

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 16/4

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

2 stops43h 35m

Siem Reap–Angkor Intl

Thu 23/4

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

2 stops44h 40m

C$ 1,865

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

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

2 stops48h 15m

Siem Reap–Angkor Intl

Sun 26/4

6:30 p.m.-8:00 a.m.

2 stops48h 30m

C$ 2,006

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

9:35 p.m.-6:45 p.m.

2 stops34h 10m

Siem Reap–Angkor Intl

Thu 1/10

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

2 stops40h 05m

C$ 2,083

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

7:45 p.m.-9:30 p.m.

3 stops38h 45m

Siem Reap–Angkor Intl

Sun 26/4

6:30 p.m.-8:00 a.m.

2 stops48h 30m

C$ 2,086

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

10:15 a.m.-8:45 a.m.

2 stops35h 30m

Siem Reap–Angkor Intl

Mon 27/4

6:55 p.m.-8:00 a.m.

2 stops48h 05m

C$ 2,116

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

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

3 stops48h 20m

Siem Reap–Angkor Intl

Thu 1/10

11:50 p.m.-7:36 a.m.

3 stops66h 46m

C$ 2,123

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

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

2 stops24h 25m

Siem Reap–Angkor Intl

Wed 30/9

7:30 p.m.-2:45 p.m.

2 stops54h 15m

C$ 2,131
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

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

2 stops24h 25m

Siem Reap–Angkor Intl

Mon 28/9

7:30 p.m.-2:45 p.m.

2 stops30h 15m

C$ 2,136

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 Region of 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?

Emirates is the most popular carrier operating from Ontario to Siem Reap

Cheap Region of Ontario to Region of Siem Reap flight deals and tips

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

Fastest flight time

27h 25m

Direct flights

None
The fastest flight from Region of Ontario to Region of Siem Reap takes 27h 25m
There are no direct flights from Region of Ontario to Region of Siem Reap. There are no popular flight routes from Region of Ontario to Region of Siem Reap.
Search flight deals

  • When did momondo last update prices for flights from Ontario to Siem Reap?

    Prices for flights from Ontario to Siem Reap refresh daily.

  • How many operators does momondo search for flights from Ontario to Siem Reap?

  • How old do you have to be to fly from Ontario to Siem Reap?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The necessary travel and health documents for your Siem Reap trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Region of Siem Reap

Compare and see reviews for airlines that fly from Region of Ontario to Region of Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 1,289Free CancellationRating
7.4
9,460 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Ontario to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

All flight searches from Ontario to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Ontario.

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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Find better results for your trip to Siem Reap

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