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Cheap flights from Ontario to Ko Samui from C$ 1,149

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 Ko Samui departing on 15/6. 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 Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 p.m. - 1:05 p.m.
YYZ
-
USM
31h 05m
2 stops
Multiple Airlines Logo
3:50 p.m. - 7:20 p.m.
USM
-
YYZ
39h 30m
2 stops
C$ 1,739Multiple Airlines
Sun, 8 Nov - Thu, 12 Nov
Multiple Airlines Logo
6:00 p.m. - 8:40 a.m.
YUL
-
USM
27h 40m
2 stops
Multiple Airlines Logo
9:10 p.m. - 5:03 p.m.
USM
-
YUL
31h 53m
2 stops
C$ 1,758Multiple Airlines
Sat, 24 Oct - Mon, 9 Nov
Multiple Airlines Logo
6:00 p.m. - 6:15 p.m.
YUL
-
USM
37h 15m
2 stops
Multiple Airlines Logo
8:20 p.m. - 7:36 p.m.
USM
-
YUL
35h 16m
2 stops
C$ 1,794Multiple Airlines
Fri, 23 Oct - Sun, 8 Nov
Multiple Airlines Logo
7:30 a.m. - 6:15 p.m.
YUL
-
USM
46h 45m
2 stops
Multiple Airlines Logo
7:35 p.m. - 7:36 p.m.
USM
-
YUL
36h 01m
2 stops
C$ 1,809Multiple Airlines
Wed, 4 Nov - Tue, 8 Dec
Multiple Airlines Logo
6:00 p.m. - 7:45 a.m.
YUL
-
USM
26h 45m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,842Multiple Airlines
Thu, 22 Oct - Sat, 7 Nov
Multiple Airlines Logo
6:00 p.m. - 8:00 a.m.
YUL
-
USM
27h 00m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,909Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
4:30 p.m. - 11:00 a.m.
YUL
-
USM
31h 30m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,913Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
7:30 a.m. - 6:15 p.m.
YUL
-
USM
46h 45m
2 stops
Multiple Airlines Logo
12:15 p.m. - 9:53 p.m.
USM
-
YUL
45h 38m
3 stops
C$ 1,983Multiple Airlines
Wed, 4 Nov - Tue, 8 Dec
Etihad Airways Logo
1:40 p.m. - 7:10 a.m.
YYZ
-
USM
30h 30m
2 stops
Etihad Airways Logo
5:25 p.m. - 8:55 a.m.
USM
-
YYZ
26h 30m
2 stops
C$ 2,157Etihad Airways
Thu, 10 Sep - Mon, 14 Sep
Etihad Airways Logo
1:40 p.m. - 7:10 a.m.
YYZ
-
USM
30h 30m
2 stops
Etihad Airways Logo
10:05 a.m. - 8:55 a.m.
USM
-
YYZ
33h 50m
2 stops
C$ 2,174Etihad Airways
Thu, 10 Sep - Mon, 14 Sep

EVA Air flights from Region of Ontario to Ko Samui

Our best EVA Air deals on Region of Ontario to Ko Samui flight tickets
EVA Air
23 Oct
YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl
30h 25m
3 stops
USM2:55 p.m.Ko Samui
9 Nov
USM9:20 a.m.Ko Samui
27h 13m
3 stops
YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,706
EVA Air
23 Oct
YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl
30h 25m
3 stops
USM2:55 p.m.Ko Samui
8 Nov
USM10:00 a.m.Ko Samui
26h 33m
3 stops
YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,727
EVA Air
4 Nov
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
30h 45m
3 stops
USM2:55 p.m.Ko Samui
8 Dec
USM9:20 a.m.Ko Samui
27h 13m
3 stops
YUL12:33 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,845

Cathay Pacific flights from Region of Ontario to Ko Samui

Our best Cathay Pacific deals on Region of Ontario to Ko Samui flight tickets
Cathay Pacific
23 May
YYZ3:45 p.m.Toronto Pearson Intl
40h 55m
1 stop
USM7:40 p.m.Ko Samui
2 Jun
USM11:55 a.m.Ko Samui
37h 05m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
C$ 2,692
Cathay Pacific
9 Sep
YYZ1:50 a.m.Toronto Pearson Intl
30h 50m
1 stop
USM7:40 p.m.Ko Samui
14 Sep
USM6:00 a.m.Ko Samui
27h 10m
2 stops
YYZ10:10 p.m.Toronto Pearson Intl
C$ 2,776
Cathay Pacific
9 Sep
YYZ1:50 a.m.Toronto Pearson Intl
30h 50m
1 stop
USM7:40 p.m.Ko Samui
14 Sep
USM6:00 a.m.Ko Samui
27h 10m
2 stops
YYZ10:10 p.m.Toronto Pearson Intl
C$ 2,780

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Ko Samui 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 15 May 2026.
Use the filters below to find and compare flights from Ontario to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 8/11

6:00 p.m.-1:05 p.m.

2 stops31h 05m

Ko Samui

Thu 12/11

3:50 p.m.-7:20 p.m.

2 stops39h 30m

C$ 1,739

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

6:00 p.m.-8:40 a.m.

2 stops27h 40m

Ko Samui

Mon 9/11

9:10 p.m.-5:03 p.m.

2 stops31h 53m

C$ 1,758

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

6:00 p.m.-6:15 p.m.

2 stops37h 15m

Ko Samui

Sun 8/11

8:20 p.m.-7:36 p.m.

2 stops35h 16m

C$ 1,794

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

7:30 a.m.-6:15 p.m.

2 stops46h 45m

Ko Samui

Tue 8/12

7:35 p.m.-7:36 p.m.

2 stops36h 01m

C$ 1,809

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 p.m.-7:45 a.m.

2 stops26h 45m

Ko Samui

Sat 7/11

4:25 p.m.-5:03 p.m.

2 stops36h 38m

C$ 1,842

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

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

2 stops27h 00m

Ko Samui

Sat 7/11

4:25 p.m.-5:03 p.m.

2 stops36h 38m

C$ 1,909

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

4:30 p.m.-11:00 a.m.

2 stops31h 30m

Ko Samui

Sat 7/11

4:25 p.m.-5:03 p.m.

2 stops36h 38m

C$ 1,913

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

7:30 a.m.-6:15 p.m.

2 stops46h 45m

Ko Samui

Tue 8/12

12:15 p.m.-9:53 p.m.

3 stops45h 38m

C$ 1,983
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 10/9

1:40 p.m.-7:10 a.m.

2 stops30h 30m

Ko Samui

Mon 14/9

5:25 p.m.-8:55 a.m.

2 stops26h 30m

C$ 2,157

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 10/9

1:40 p.m.-7:10 a.m.

2 stops30h 30m

Ko Samui

Mon 14/9

10:05 a.m.-8:55 a.m.

2 stops33h 50m

C$ 2,174

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 Ko Samui from

How to get the cheapest flight ticket from Region of Ontario to Ko Samui

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 month to fly to Ko Samui?

The month of February is, on average, the cheapest month to fly to Ko Samui from Region of Ontario, with most prices found around C$ 0. If you aren’t able to travel to Ko Samui during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 1,683.

Can stopping save me money on Region of Ontario to Ko Samui flights?

You could potentially save up to 24% on your flight if you consider stops on a Region of Ontario to Ko Samui flight.

Cheap Region of Ontario to Ko Samui flight deals and tips

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

Fastest flight time

27h 40m

Direct flights

None
The fastest flight from Region of Ontario to Ko Samui takes 27h 40m
There are no direct flights from Region of Ontario to Ko Samui. There are no popular flight routes from Region of Ontario to Ko Samui.
Search flight deals

Frequently asked questions about flying from Ontario to Ko Samui

  • When did momondo last update prices for flights from Ontario to Ko Samui Airport?

    Prices for flights from Ontario to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to Ko Samui Airport?

  • How old do you have to be to fly from Ontario to Ko Samui 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 Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The required travel and health documents for your Ko Samui 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 Ko Samui 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 Ko Samui

Compare and see reviews for airlines that fly from Region of Ontario to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom C$ 1,683Free CancellationRating
8.5
1,446 reviews
Search EVA Air flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Ko Samui?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Ko Samui for you.

Can I find flights from Ontario to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Ko Samui?

Once all potential Ontario to Ko Samui 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 Ko Samui right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Ko Samui now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ko Samui and let you know when they change.

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