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Cheap flights from Ontario to Ko Samui from C$ 727

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 25/9. 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
1 adult, Economy, 0 bags

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
4:50 p.m. - 11:00 a.m.YYZ  Toronto Pearson Intl-USM Ko Samui
31h 10m2 stops Vancouver Intl Singapore Changi
Multiple Airlines Logo
7:45 p.m. - 3:57 p.m.USM  Ko Samui-YYZ Toronto Pearson Intl
32h 12m2 stops Singapore Changi Vancouver Intl
C$ 1,608Multiple Airlines
Wed, 28 Oct - Wed, 11 Nov
Multiple Airlines Logo
7:20 a.m. - 6:15 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
47h 55m2 stops Vancouver Intl Singapore Changi
Multiple Airlines Logo
7:10 p.m. - 7:35 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
36h 25m2 stops Bangkok Suvarnabhumi Vancouver Intl
C$ 1,615Multiple Airlines
Sun, 18 Oct - Sun, 1 Nov
Multiple Airlines Logo
7:00 p.m. - 6:15 p.m.YYZ  Toronto Pearson Intl-USM Ko Samui
36h 15m2 stops Vancouver Intl Singapore Changi
Multiple Airlines Logo
5:35 p.m. - 5:25 p.m.USM  Ko Samui-YYZ Toronto Pearson Intl
34h 50m2 stops Bangkok Suvarnabhumi Osaka Kansai Intl
C$ 1,725Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
6:15 p.m. - 9:20 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
27h 05m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 p.m. - 5:00 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
31h 50m2 stops Bangkok Suvarnabhumi Tokyo Narita
C$ 1,730Multiple Airlines
Mon, 18 Jan - Mon, 1 Feb
Multiple Airlines Logo
6:15 p.m. - 9:20 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
27h 05m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 p.m. - 5:00 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
31h 50m2 stops Bangkok Suvarnabhumi Tokyo Narita
C$ 1,732Multiple Airlines
Mon, 18 Jan - Mon, 1 Feb
Multiple Airlines Logo
6:00 p.m. - 10:10 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
29h 10m2 stops Vancouver Intl Singapore Changi
Multiple Airlines Logo
7:45 p.m. - 7:35 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
35h 50m2 stops Singapore Changi Vancouver Intl
C$ 1,737Multiple Airlines
Thu, 22 Oct - Sat, 7 Nov
Multiple Airlines Logo
1:30 p.m. - 11:40 a.m.YYZ  Toronto Pearson Intl-USM Ko Samui
35h 10m2 stops Incheon Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
6:00 a.m. - 7:15 p.m.USM  Ko Samui-YYZ Toronto Pearson Intl
24h 15m2 stops Bangkok Suvarnabhumi Incheon Intl
C$ 1,790Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
Multiple Airlines Logo
1:30 p.m. - 7:35 a.m.YYZ  Toronto Pearson Intl-USM Ko Samui
31h 05m2 stops Incheon Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
6:25 p.m. - 5:00 p.m.USM  Ko Samui-YYZ Toronto Pearson Intl
33h 35m2 stops Bangkok Suvarnabhumi Tokyo Haneda
C$ 1,825Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
12:50 p.m. - 7:30 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
31h 40m2 stops Incheon Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:00 p.m. - 3:59 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
29h 59m2 stops Bangkok Suvarnabhumi Vancouver Intl
C$ 1,825Multiple Airlines
Tue, 1 Sep - Tue, 15 Sep
Multiple Airlines Logo
6:00 p.m. - 10:10 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-USM Ko Samui
29h 10m2 stops Vancouver Intl Singapore Changi
Multiple Airlines Logo
7:45 p.m. - 7:35 p.m.USM  Ko Samui-YUL Montreal Pierre Elliott Trudeau Intl
35h 50m2 stops Singapore Changi Vancouver Intl
C$ 1,849Multiple Airlines
Thu, 22 Oct - Sat, 7 Nov

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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
7 Sep
YYZ1:50 a.m.Toronto Pearson Intl
30h 50m
1 stop
USM7:40 p.m.Ko Samui
15 Sep
USM11:55 a.m.Ko Samui
21h 15m
1 stop
YYZ10:10 p.m.Toronto Pearson Intl
C$ 2,593
Cathay Pacific
21 Sep
YYZ1:50 a.m.Toronto Pearson Intl
30h 50m
1 stop
USM7:40 p.m.Ko Samui
29 Sep
USM11:55 a.m.Ko Samui
37h 05m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
C$ 2,846

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
20 Nov
YYZ12:15 a.m.Toronto Pearson Intl
32h 10m
2 stops
USM8:25 p.m.Ko Samui
28 Nov
USM7:55 a.m.Ko Samui
24h 25m
2 stops
YYZ8:20 p.m.Toronto Pearson Intl
C$ 2,197
EVA Air
21 Oct
YYZ1:45 a.m.Toronto Pearson Intl
31h 45m
2 stops
USM8:30 p.m.Ko Samui
26 Oct
USM7:00 a.m.Ko Samui
25h 10m
2 stops
YYZ9:10 p.m.Toronto Pearson Intl
C$ 2,214
EVA Air
21 Oct
YYZ1:45 a.m.Toronto Pearson Intl
31h 45m
2 stops
USM8:30 p.m.Ko Samui
26 Oct
USM7:00 a.m.Ko Samui
25h 10m
2 stops
YYZ9:10 p.m.Toronto Pearson Intl
C$ 2,215

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 13 August 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 Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Wed 28/10

4:50 p.m.-11:00 a.m.

2 stops31h 10m

Ko Samui

Wed 11/11

7:45 p.m.-3:57 p.m.

2 stops32h 12m

C$ 1,608

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

7:20 a.m.-6:15 p.m.

2 stops47h 55m

Ko Samui

Sun 1/11

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

2 stops36h 25m

C$ 1,615

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Tue 8/9

7:00 p.m.-6:15 p.m.

2 stops36h 15m

Ko Samui

Tue 15/9

5:35 p.m.-5:25 p.m.

2 stops34h 50m

C$ 1,725
Quickest round-trip

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 18/1

6:15 p.m.-9:20 a.m.

2 stops27h 05m

Ko Samui

Mon 1/2

9:10 p.m.-5:00 p.m.

2 stops31h 50m

C$ 1,730

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 18/1

6:15 p.m.-9:20 a.m.

2 stops27h 05m

Ko Samui

Mon 1/2

9:10 p.m.-5:00 p.m.

2 stops31h 50m

C$ 1,732

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 p.m.-10:10 a.m.

2 stops29h 10m

Ko Samui

Sat 7/11

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

2 stops35h 50m

C$ 1,737

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Thu 24/9

1:30 p.m.-11:40 a.m.

2 stops35h 10m

Ko Samui

Thu 1/10

6:00 a.m.-7:15 p.m.

2 stops24h 15m

C$ 1,790

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Tue 22/9

1:30 p.m.-7:35 a.m.

2 stops31h 05m

Ko Samui

Tue 29/9

6:25 p.m.-5:00 p.m.

2 stops33h 35m

C$ 1,825

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

12:50 p.m.-7:30 a.m.

2 stops31h 40m

Ko Samui

Tue 15/9

9:00 p.m.-3:59 p.m.

2 stops29h 59m

C$ 1,825

MontrealKo Samui

YUL Montreal Pierre Elliott Trudeau Intl - USM Ko Samui

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 p.m.-10:10 a.m.

2 stops29h 10m

Ko Samui

Sat 7/11

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

2 stops35h 50m

C$ 1,849

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 airline that flies from Ontario to Ko Samui?

Emirates, Cathay Pacific, and SWISS are the most popular carriers operating from Ontario to Ko Samui

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

25h 30m

Direct flights

None
The fastest flight from Region of Ontario to Ko Samui takes 25h 30m
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.
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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 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.

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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