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Cheap flights from Ontario to Ko Samui from C$ 813

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 19/1. 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
6:25 p.m. - 12:35 p.m.
YUL
-
USM
30h 10m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:00 p.m.
USM
-
YUL
33h 15m2 stops
C$ 1,864Multiple Airlines
Wed, 18 Feb - Fri, 6 Mar
Multiple Airlines Logo
6:25 p.m. - 12:50 p.m.
YUL
-
USM
30h 25m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:00 p.m.
USM
-
YUL
33h 15m2 stops
C$ 1,868Multiple Airlines
Wed, 18 Feb - Fri, 6 Mar
Multiple Airlines Logo
9:00 a.m. - 11:00 a.m.
YUL
-
USM
38h 00m2 stops
Multiple Airlines Logo
7:45 p.m. - 7:25 p.m.
USM
-
YUL
35h 40m2 stops
C$ 1,893Multiple Airlines
Sun, 11 Jan - Wed, 21 Jan
Multiple Airlines Logo
9:00 a.m. - 11:00 a.m.
YUL
-
USM
38h 00m2 stops
Multiple Airlines Logo
7:45 p.m. - 7:25 p.m.
USM
-
YUL
35h 40m2 stops
C$ 1,899Multiple Airlines
Sun, 11 Jan - Wed, 21 Jan
Multiple Airlines Logo
5:55 p.m. - 10:35 a.m.
YYZ
-
USM
28h 40m2 stops
Multiple Airlines Logo
7:45 p.m. - 4:09 p.m.
USM
-
YYZ
32h 24m2 stops
C$ 1,910Multiple Airlines
Sat, 14 Feb - Thu, 26 Feb
Multiple Airlines Logo
6:45 p.m. - 10:35 a.m.
YYZ
-
USM
27h 50m2 stops
Multiple Airlines Logo
7:45 p.m. - 4:09 p.m.
USM
-
YYZ
32h 24m2 stops
C$ 1,915Multiple Airlines
Sat, 14 Feb - Thu, 26 Feb
Multiple Airlines Logo
8:10 p.m. - 7:30 a.m.
YYZ
-
USM
47h 20m2 stops
Multiple Airlines Logo
7:30 p.m. - 2:40 p.m.
USM
-
YYZ
55h 10m2 stops
C$ 2,182Multiple Airlines
Sat, 14 Feb - Sat, 21 Feb
Qatar Airways Logo
8:10 p.m. - 10:35 a.m.
YYZ
-
USM
26h 25m2 stops
Qatar Airways Logo
8:20 p.m. - 2:40 p.m.
USM
-
YYZ
54h 20m2 stops
C$ 2,238Qatar Airways
Mon, 16 Feb - Sun, 22 Feb
Qatar Airways Logo
8:50 p.m. - 3:35 p.m.
YUL
-
USM
30h 45m2 stops
Qatar Airways Logo
8:20 p.m. - 2:05 p.m.
USM
-
YUL
53h 45m2 stops
C$ 2,240Qatar Airways
Wed, 25 Feb - Sat, 7 Mar
Qatar Airways Logo
8:50 p.m. - 3:40 p.m.
YUL
-
USM
30h 50m2 stops
Qatar Airways Logo
7:35 p.m. - 2:05 p.m.
USM
-
YUL
54h 30m2 stops
C$ 2,245Qatar Airways
Wed, 25 Feb - Sat, 7 Mar

Qatar Airways flights from Region of Ontario to Ko Samui

Our best Qatar Airways deals on Region of Ontario to Ko Samui flight tickets
Qatar Airways
16 Feb
YYZ8:10 p.m.Toronto Pearson Intl
26h 25m
2 stops
USM10:35 a.m.Ko Samui
22 Feb
USM8:20 p.m.Ko Samui
54h 20m
2 stops
YYZ2:40 p.m.Toronto Pearson Intl
C$ 2,238
Find similar
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
31h 35m
2 stops
USM4:25 p.m.Ko Samui
7 Mar
USM8:20 p.m.Ko Samui
53h 45m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,240
Find similar
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
30h 50m
2 stops
USM3:40 p.m.Ko Samui
7 Mar
USM7:35 p.m.Ko Samui
54h 30m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,245
Find similar

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
14 Feb
YYZ1:55 p.m.Toronto Pearson Intl
41h 40m
1 stop
USM7:35 p.m.Ko Samui
26 Feb
USM8:30 a.m.Ko Samui
24h 30m
2 stops
YYZ9:00 p.m.Toronto Pearson Intl
C$ 4,770
Find similar
Cathay Pacific
14 Feb
YYZ1:55 p.m.Toronto Pearson Intl
41h 40m
1 stop
USM7:35 p.m.Ko Samui
26 Feb
USM9:20 a.m.Ko Samui
23h 40m
2 stops
YYZ9:00 p.m.Toronto Pearson Intl
C$ 4,777
Find similar
Cathay Pacific
14 Feb
YYZ1:55 p.m.Toronto Pearson Intl
41h 40m
1 stop
USM7:35 p.m.Ko Samui
21 Feb
USM5:25 p.m.Ko Samui
54h 50m
2 stops
YYZ12:15 p.m.Toronto Pearson Intl
C$ 4,780
Find similar

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 24 December 2025.
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

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:25 p.m.-12:35 p.m.

2 stops30h 10m

Ko Samui

Fri 6/3

7:45 p.m.-5:00 p.m.

2 stops33h 15m

C$ 1,864

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:25 p.m.-12:50 p.m.

2 stops30h 25m

Ko Samui

Fri 6/3

7:45 p.m.-5:00 p.m.

2 stops33h 15m

C$ 1,868

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

9:00 a.m.-11:00 a.m.

2 stops38h 00m

Ko Samui

Wed 21/1

7:45 p.m.-7:25 p.m.

2 stops35h 40m

C$ 1,893

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

9:00 a.m.-11:00 a.m.

2 stops38h 00m

Ko Samui

Wed 21/1

7:45 p.m.-7:25 p.m.

2 stops35h 40m

C$ 1,899

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

5:55 p.m.-10:35 a.m.

2 stops28h 40m

Ko Samui

Thu 26/2

7:45 p.m.-4:09 p.m.

2 stops32h 24m

C$ 1,910

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

6:45 p.m.-10:35 a.m.

2 stops27h 50m

Ko Samui

Thu 26/2

7:45 p.m.-4:09 p.m.

2 stops32h 24m

C$ 1,915

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

8:10 p.m.-7:30 a.m.

2 stops47h 20m

Ko Samui

Sat 21/2

7:30 p.m.-2:40 p.m.

2 stops55h 10m

C$ 2,182

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 16/2

8:10 p.m.-10:35 a.m.

2 stops26h 25m

Ko Samui

Sun 22/2

8:20 p.m.-2:40 p.m.

2 stops54h 20m

C$ 2,238

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-3:35 p.m.

2 stops30h 45m

Ko Samui

Sat 7/3

8:20 p.m.-2:05 p.m.

2 stops53h 45m

C$ 2,240

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-3:40 p.m.

2 stops30h 50m

Ko Samui

Sat 7/3

7:35 p.m.-2:05 p.m.

2 stops54h 30m

C$ 2,245

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 day to depart on your flight to Ko Samui?

Our data shows that Friday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as C$ 532. Flights from Region of Ontario to Ko Samui on a Tuesday will generally be more expensive and average around C$ 1,733. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

According to our data, the cheapest time of day to fly to Ko Samui is at noon. momondo users have found flights departing from Region of Ontario to Ko Samui at noon for as low as C$ 689. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,833 on average. Flights to Ko Samui from Region of Ontario in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 25m

Direct flights

None
The fastest flight from Region of Ontario to Ko Samui takes 27h 25m
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

  • 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$ 1,877Free CancellationRating
8.4
1,299 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 Pha Ngan
Ko Tao
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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