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Cheap flights from Montreal to Ko Samui from C$ 905

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Ko Samui departing on 26/3. 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 Montreal to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 p.m. - 10:45 a.m.
YUL
-
USM
29h 45m
2 stops
Multiple Airlines Logo
9:00 p.m. - 4:58 p.m.
USM
-
YUL
30h 58m
2 stops
C$ 1,701Multiple Airlines
Wed, 13 May - Thu, 21 May
Bangkok Airways Logo
6:00 p.m. - 9:10 p.m.
YUL
-
USM
40h 10m
2 stops
Bangkok Airways Logo
11:55 a.m. - 4:47 p.m.
USM
-
YUL
63h 52m
2 stops
C$ 2,123Bangkok Airways
Sun, 29 Mar - Tue, 14 Apr
Multiple Airlines Logo
9:50 p.m. - 9:20 a.m.
YUL
-
USM
24h 30m
2 stops
Multiple Airlines Logo
8:20 a.m. - 2:45 p.m.
USM
-
YUL
41h 25m
2 stops
C$ 2,275Multiple Airlines
Mon, 9 Mar - Sat, 4 Apr
Multiple Airlines Logo
6:20 p.m. - 8:10 a.m.
YUL
-
USM
26h 50m
2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m
2 stops
C$ 2,309Multiple Airlines
Mon, 9 Mar - Mon, 6 Apr
Multiple Airlines Logo
8:30 a.m. - 6:15 p.m.
YUL
-
USM
46h 45m
2 stops
Multiple Airlines Logo
7:00 p.m. - 8:41 p.m.
USM
-
YUL
36h 41m
3 stops
C$ 2,323Multiple Airlines
Sun, 29 Mar - Tue, 14 Apr
Multiple Airlines Logo
6:20 p.m. - 11:30 a.m.
YUL
-
USM
30h 10m
2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m
2 stops
C$ 2,358Multiple Airlines
Sun, 8 Mar - Mon, 6 Apr
Emirates Logo
11:40 a.m. - 8:10 a.m.
YUL
-
USM
57h 30m
2 stops
Emirates Logo
8:45 a.m. - 8:00 a.m.
USM
-
YUL
34h 15m
2 stops
C$ 2,368Emirates
Sun, 8 Mar - Thu, 2 Apr
Multiple Airlines Logo
9:50 p.m. - 11:30 a.m.
YUL
-
USM
26h 40m
2 stops
Multiple Airlines Logo
8:20 a.m. - 2:45 p.m.
USM
-
YUL
41h 25m
2 stops
C$ 2,385Multiple Airlines
Sun, 8 Mar - Sat, 4 Apr
Qatar Airways Logo
8:50 p.m. - 1:05 p.m.
YUL
-
USM
52h 15m
2 stops
Qatar Airways Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
65h 50m
2 stops
C$ 2,396Qatar Airways
Wed, 25 Feb - Sat, 7 Mar
Qatar Airways Logo
8:50 p.m. - 1:05 p.m.
YUL
-
USM
52h 15m
2 stops
Qatar Airways Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
65h 50m
2 stops
C$ 2,398Qatar Airways
Wed, 25 Feb - Sat, 7 Mar

Qatar Airways flights from Montreal to Ko Samui

Our best Qatar Airways deals on Montreal to Ko Samui flight tickets
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
52h 15m
2 stops
USM1:05 p.m.Ko Samui
7 Mar
USM8:15 a.m.Ko Samui
65h 50m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,396
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
52h 15m
2 stops
USM1:05 p.m.Ko Samui
7 Mar
USM8:15 a.m.Ko Samui
65h 50m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,398
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
52h 15m
2 stops
USM1:05 p.m.Ko Samui
7 Mar
USM8:15 a.m.Ko Samui
65h 50m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,402

Cathay Pacific flights from Montreal to Ko Samui

Our best Cathay Pacific deals on Montreal to Ko Samui flight tickets
Cathay Pacific
18 Feb
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
32h 30m
3 stops
USM4:40 p.m.Ko Samui
6 Mar
USM7:55 a.m.Ko Samui
28h 43m
3 stops
YUL12:38 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 7,197
Cathay Pacific
18 Feb
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
35h 25m
2 stops
USM7:35 p.m.Ko Samui
6 Mar
USM7:55 a.m.Ko Samui
28h 43m
3 stops
YUL12:38 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 7,398
Cathay Pacific
18 Feb
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
35h 25m
2 stops
USM7:35 p.m.Ko Samui
6 Mar
USM7:55 a.m.Ko Samui
28h 43m
3 stops
YUL12:38 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 7,399

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 5 February 2026.
Use the filters below to find and compare flights from Montreal 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 13/5

6:00 p.m.-10:45 a.m.

2 stops29h 45m

Ko Samui

Thu 21/5

9:00 p.m.-4:58 p.m.

2 stops30h 58m

C$ 1,701

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

6:00 p.m.-9:10 p.m.

2 stops40h 10m

Ko Samui

Tue 14/4

11:55 a.m.-4:47 p.m.

2 stops63h 52m

C$ 2,123

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:50 p.m.-9:20 a.m.

2 stops24h 30m

Ko Samui

Sat 4/4

8:20 a.m.-2:45 p.m.

2 stops41h 25m

C$ 2,275

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:20 p.m.-8:10 a.m.

2 stops26h 50m

Ko Samui

Mon 6/4

7:45 p.m.-5:05 p.m.

2 stops32h 20m

C$ 2,309

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

8:30 a.m.-6:15 p.m.

2 stops46h 45m

Ko Samui

Tue 14/4

7:00 p.m.-8:41 p.m.

3 stops36h 41m

C$ 2,323

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

6:20 p.m.-11:30 a.m.

2 stops30h 10m

Ko Samui

Mon 6/4

7:45 p.m.-5:05 p.m.

2 stops32h 20m

C$ 2,358

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

11:40 a.m.-8:10 a.m.

2 stops57h 30m

Ko Samui

Thu 2/4

8:45 a.m.-8:00 a.m.

2 stops34h 15m

C$ 2,368

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 p.m.-11:30 a.m.

2 stops26h 40m

Ko Samui

Sat 4/4

8:20 a.m.-2:45 p.m.

2 stops41h 25m

C$ 2,385

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-1:05 p.m.

2 stops52h 15m

Ko Samui

Sat 7/3

8:15 a.m.-2:05 p.m.

2 stops65h 50m

C$ 2,396

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-1:05 p.m.

2 stops52h 15m

Ko Samui

Sat 7/3

8:15 a.m.-2:05 p.m.

2 stops65h 50m

C$ 2,398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Ko Samui from

How to get the cheapest flight ticket from Montreal 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$ 611. Flights from Montreal to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,706. 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 in the morning. momondo users have found flights departing from Montreal to Ko Samui in the morning for as low as C$ 469. 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 at noon when prices are C$ 1,568 on average. Flights to Ko Samui from Montreal at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Montreal to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Ko Samui (YMQ to USM) flight deals and tips

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

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Montreal to Ko Samui takes 27h 00m
There are no direct flights from Montreal to Ko Samui. There are no popular flight routes from Montreal to Ko Samui.
Search flight deals

  • How far is Montreal to Ko Samui by plane?

    Ko Samui is 13854.2 km away from Montreal. A reasonable flight in good conditions will take 27h 00m.

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

    Prices for flights from Montreal to Ko Samui Airport refresh daily.

  • How old do you have to be to fly from Montreal to Ko Samui Airport?

    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 Montreal 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 Pha Ngan
Ko Tao
Khanom

Why use momondo?

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

Finding the right flight to Ko Samui from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

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

Yes. All flights to Ko Samui from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Montreal and Ko Samui by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montreal to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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