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Cheap flights from Ontario to Siem Reap from C$ 744

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 8/3. 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.
Malaysia Airlines Logo
8:50 p.m. - 3:00 p.m.
YUL
-
SAI
54h 10m
2 stops
Malaysia Airlines Logo
11:00 a.m. - 2:05 p.m.
SAI
-
YUL
39h 05m
2 stops
C$ 2,601Malaysia Airlines
Wed, 18 Feb - Tue, 3 Mar
Malaysia Airlines Logo
8:50 p.m. - 3:00 p.m.
YUL
-
SAI
54h 10m
2 stops
Malaysia Airlines Logo
11:00 a.m. - 2:05 p.m.
SAI
-
YUL
63h 05m
2 stops
C$ 2,612Malaysia Airlines
Wed, 18 Feb - Sat, 28 Feb
Qatar Airways Logo
8:50 p.m. - 9:15 a.m.
YUL
-
SAI
48h 25m
2 stops
Qatar Airways Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
54h 40m
2 stops
C$ 2,685Qatar Airways
Wed, 18 Feb - Mon, 2 Mar
Qatar Airways Logo
8:50 p.m. - 9:15 a.m.
YUL
-
SAI
48h 25m
2 stops
Qatar Airways Logo
10:00 a.m. - 2:05 p.m.
SAI
-
YUL
64h 05m
2 stops
C$ 2,719Qatar Airways
Wed, 18 Feb - Wed, 4 Mar
Qatar Airways Logo
8:50 p.m. - 9:15 a.m.
YUL
-
SAI
48h 25m
2 stops
Qatar Airways Logo
10:00 a.m. - 2:05 p.m.
SAI
-
YUL
40h 05m
2 stops
C$ 2,736Qatar Airways
Wed, 18 Feb - Sun, 1 Mar
Qatar Airways Logo
8:50 p.m. - 9:15 a.m.
YUL
-
SAI
48h 25m
2 stops
Qatar Airways Logo
1:25 p.m. - 2:05 p.m.
SAI
-
YUL
36h 40m
2 stops
C$ 2,814Qatar Airways
Wed, 18 Feb - Thu, 26 Feb
Qatar Airways Logo
8:50 p.m. - 9:15 a.m.
YUL
-
SAI
48h 25m
2 stops
Qatar Airways Logo
7:25 p.m. - 2:05 p.m.
SAI
-
YUL
54h 40m
2 stops
C$ 2,818Qatar Airways
Wed, 18 Feb - Fri, 27 Feb

United Airlines flights from Region of Ontario to Region of Siem Reap

Our best United Airlines deals on Region of Ontario to Region of Siem Reap flight tickets
United Airlines
17 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
35h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
10 May
SAI10:30 a.m.Siem Reap–Angkor Intl
65h 15m
2 stops
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,874
United Airlines
14 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
59h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
10 May
SAI10:30 a.m.Siem Reap–Angkor Intl
65h 15m
2 stops
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,916
United Airlines
14 Mar
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
59h 05m
2 stops
SAI3:55 p.m.Siem Reap–Angkor Intl
15 May
SAI10:30 a.m.Siem Reap–Angkor Intl
65h 15m
2 stops
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,959

Malaysia Airlines flights from Region of Ontario to Region of Siem Reap

Our best Malaysia Airlines deals on Region of Ontario to Region of Siem Reap flight tickets
Malaysia Airlines
16 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
49h 10m
2 stops
SAI10:00 a.m.Siem Reap–Angkor Intl
3 Mar
SAI11:00 a.m.Siem Reap–Angkor Intl
39h 05m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,585
Malaysia Airlines
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
54h 10m
2 stops
SAI3:00 p.m.Siem Reap–Angkor Intl
3 Mar
SAI11:00 a.m.Siem Reap–Angkor Intl
39h 05m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,601
Malaysia Airlines
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
54h 10m
2 stops
SAI3:00 p.m.Siem Reap–Angkor Intl
28 Feb
SAI11:00 a.m.Siem Reap–Angkor Intl
63h 05m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,612

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 9 February 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

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-3:00 p.m.

2 stops54h 10m

Siem Reap–Angkor Intl

Tue 3/3

11:00 a.m.-2:05 p.m.

2 stops39h 05m

C$ 2,601

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-3:00 p.m.

2 stops54h 10m

Siem Reap–Angkor Intl

Sat 28/2

11:00 a.m.-2:05 p.m.

2 stops63h 05m

C$ 2,612

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-9:15 a.m.

2 stops48h 25m

Siem Reap–Angkor Intl

Mon 2/3

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

2 stops54h 40m

C$ 2,685

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-9:15 a.m.

2 stops48h 25m

Siem Reap–Angkor Intl

Wed 4/3

10:00 a.m.-2:05 p.m.

2 stops64h 05m

C$ 2,719

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-9:15 a.m.

2 stops48h 25m

Siem Reap–Angkor Intl

Sun 1/3

10:00 a.m.-2:05 p.m.

2 stops40h 05m

C$ 2,736

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-9:15 a.m.

2 stops48h 25m

Siem Reap–Angkor Intl

Thu 26/2

1:25 p.m.-2:05 p.m.

2 stops36h 40m

C$ 2,814

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-9:15 a.m.

2 stops48h 25m

Siem Reap–Angkor Intl

Fri 27/2

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

2 stops54h 40m

C$ 2,818

TorontoSiem Reap

YTZ - SAI

YTZSAI

Toronto Island

Sun 8/3

3:00 p.m.-4:55 p.m.

3 stops38h 55m

C$ 744

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Fri 24/4

10:00 a.m.-5:10 p.m.

3 stops44h 10m

C$ 862

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 17/3

12:45 p.m.-3:55 p.m.

2 stops40h 10m

C$ 882

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

Singapore Airlines and United Airlines are the most popular carriers 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

30h 45m

Direct flights

None
The fastest flight from Region of Ontario to Region of Siem Reap takes 30h 45m
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$ 1,284Free CancellationRating
7.4
9,257 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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Popular flights according to clicks in the last 7 days on momondo
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