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Cheap flights from Ontario to Siem Reap from C$ 1,166

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 19/6. 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
1:35 p.m. - 9:00 a.m.
YYZ
-
SAI
32h 25m
2 stops
Multiple Airlines Logo
7:35 p.m. - 4:10 p.m.
SAI
-
YYZ
31h 35m
2 stops
C$ 1,742Multiple Airlines
Thu, 10 Sep - Wed, 30 Sep
Multiple Airlines Logo
9:30 p.m. - 12:15 p.m.
YUL
-
SAI
51h 45m
2 stops
Multiple Airlines Logo
7:25 p.m. - 7:36 p.m.
SAI
-
YUL
35h 11m
2 stops
C$ 1,823Multiple Airlines
Sun, 4 Oct - Sun, 25 Oct
Multiple Airlines Logo
10:25 p.m. - 9:00 a.m.
YYZ
-
SAI
47h 35m
2 stops
Multiple Airlines Logo
7:25 p.m. - 8:39 p.m.
SAI
-
YYZ
37h 14m
2 stops
C$ 1,848Multiple Airlines
Tue, 13 Oct - Sun, 1 Nov
Multiple Airlines Logo
10:25 p.m. - 9:00 a.m.
YYZ
-
SAI
47h 35m
2 stops
Multiple Airlines Logo
7:25 p.m. - 8:39 p.m.
SAI
-
YYZ
37h 14m
2 stops
C$ 1,854Multiple Airlines
Tue, 13 Oct - Sun, 1 Nov
Emirates Logo
2:55 p.m. - 9:30 p.m.
YYZ
-
SAI
43h 35m
2 stops
Emirates Logo
12:55 p.m. - 9:30 a.m.
SAI
-
YYZ
31h 35m
2 stops
C$ 1,935Emirates
Thu, 10 Sep - Wed, 30 Sep
Multiple Airlines Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Multiple Airlines Logo
7:35 p.m. - 2:45 p.m.
SAI
-
YUL
30h 10m
2 stops
C$ 2,110Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Multiple Airlines Logo
7:35 p.m. - 2:45 p.m.
SAI
-
YUL
30h 10m
2 stops
C$ 2,113Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
9:35 p.m. - 9:00 a.m.
YUL
-
SAI
24h 25m
2 stops
Multiple Airlines Logo
7:35 p.m. - 2:45 p.m.
SAI
-
YUL
30h 10m
2 stops
C$ 2,114Multiple Airlines
Fri, 25 Sep - Sat, 17 Oct
Multiple Airlines Logo
1:35 p.m. - 12:15 p.m.
YYZ
-
SAI
35h 40m
2 stops
Multiple Airlines Logo
3:10 p.m. - 3:00 p.m.
SAI
-
YYZ
34h 50m
3 stops
C$ 2,131Multiple Airlines
Thu, 10 Sep - Wed, 30 Sep
Emirates Logo
11:10 a.m. - 9:30 p.m.
YUL
-
SAI
47h 20m
3 stops
Emirates Logo
11:50 p.m. - 12:33 a.m.
SAI
-
YUL
59h 43m
3 stops
C$ 2,146Emirates
Thu, 1 Oct - Sat, 24 Oct

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
10 Sep
YYZ2:55 p.m.Toronto Pearson Intl
43h 35m
2 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
30 Sep
SAI12:55 p.m.Siem Reap–Angkor Intl
31h 35m
2 stops
YYZ9:30 a.m.Toronto Pearson Intl
C$ 1,935
Emirates
1 Oct
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
47h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
24 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
59h 43m
3 stops
YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,146
Emirates
1 Oct
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
48h 20m
3 stops
SAI9:30 p.m.Siem Reap–Angkor Intl
24 Oct
SAI11:50 p.m.Siem Reap–Angkor Intl
68h 33m
3 stops
YUL9:23 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,148

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

Our best Austrian Airlines deals on Region of Ontario to Region of Siem Reap flight tickets
Austrian Airlines
25 Sep
YUL6:25 p.m.Montreal Pierre Elliott Trudeau Intl
37h 30m
3 stops
SAI6:55 p.m.Siem Reap–Angkor Intl
17 Oct
SAI12:55 p.m.Siem Reap–Angkor Intl
34h 05m
3 stops
YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,615
Austrian Airlines
25 Sep
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
34h 20m
3 stops
SAI6:55 p.m.Siem Reap–Angkor Intl
17 Oct
SAI7:35 p.m.Siem Reap–Angkor Intl
27h 25m
3 stops
YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 6,795

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 11 May 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

Thu 10/9

1:35 p.m.-9:00 a.m.

2 stops32h 25m

Siem Reap–Angkor Intl

Wed 30/9

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

2 stops31h 35m

C$ 1,742

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

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

2 stops51h 45m

Siem Reap–Angkor Intl

Sun 25/10

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

2 stops35h 11m

C$ 1,823

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 13/10

10:25 p.m.-9:00 a.m.

2 stops47h 35m

Siem Reap–Angkor Intl

Sun 1/11

7:25 p.m.-8:39 p.m.

2 stops37h 14m

C$ 1,848

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Tue 13/10

10:25 p.m.-9:00 a.m.

2 stops47h 35m

Siem Reap–Angkor Intl

Sun 1/11

7:25 p.m.-8:39 p.m.

2 stops37h 14m

C$ 1,854

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 10/9

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

2 stops43h 35m

Siem Reap–Angkor Intl

Wed 30/9

12:55 p.m.-9:30 a.m.

2 stops31h 35m

C$ 1,935
Quickest round-trip

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

2 stops24h 25m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-2:45 p.m.

2 stops30h 10m

C$ 2,110

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

2 stops24h 25m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-2:45 p.m.

2 stops30h 10m

C$ 2,113

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

2 stops24h 25m

Siem Reap–Angkor Intl

Sat 17/10

7:35 p.m.-2:45 p.m.

2 stops30h 10m

C$ 2,114

TorontoSiem Reap

YYZ - SAI

YYZSAI

Toronto Pearson Intl

Thu 10/9

1:35 p.m.-12:15 p.m.

2 stops35h 40m

Siem Reap–Angkor Intl

Wed 30/9

3:10 p.m.-3:00 p.m.

3 stops34h 50m

C$ 2,131

MontrealSiem Reap

YUL - SAI

YULSAI

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

11:10 a.m.-9:30 p.m.

3 stops47h 20m

Siem Reap–Angkor Intl

Sat 24/10

11:50 p.m.-12:33 a.m.

3 stops59h 43m

C$ 2,146

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

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

On average, it takes 34h 10m to fly from Region of Ontario to Region of Siem Reap if you fly out of Toronto (the most popular airport in Region of Ontario) and into Siem Reap (the most popular airport in Region of Siem Reap). If you’re flying out of Ottawa and into Siem Reap, then the flight time is around 62h 25m.

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

24h 20m

Direct flights

None
The fastest flight from Region of Ontario to Region of Siem Reap takes 24h 20m
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.
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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?

    Prices for flights from Ontario to Siem Reap refresh daily.

  • 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.

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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