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Cheap flights from Montreal to Ko Samui from C$ 1,534

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Ko Samui departing on 6/4. 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. - 11:05 a.m.
YUL
-
USM
30h 05m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m2 stops
C$ 1,534Multiple Airlines
Mon, 6 Apr - Wed, 15 Apr
Multiple Airlines Logo
6:00 p.m. - 1:10 p.m.
YUL
-
USM
32h 10m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m2 stops
C$ 1,550Multiple Airlines
Tue, 7 Apr - Wed, 15 Apr
Multiple Airlines Logo
6:00 p.m. - 8:15 a.m.
YUL
-
USM
27h 15m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m2 stops
C$ 1,634Multiple Airlines
Wed, 8 Apr - Mon, 13 Apr
Multiple Airlines Logo
6:00 p.m. - 1:10 p.m.
YUL
-
USM
32h 10m2 stops
Multiple Airlines Logo
7:45 p.m. - 5:05 p.m.
USM
-
YUL
32h 20m2 stops
C$ 1,640Multiple Airlines
Tue, 7 Apr - Mon, 13 Apr
Multiple Airlines Logo
6:00 p.m. - 8:35 a.m.
YUL
-
USM
27h 35m2 stops
Multiple Airlines Logo
6:55 p.m. - 5:05 p.m.
USM
-
YUL
33h 10m2 stops
C$ 1,721Multiple Airlines
Mon, 6 Apr - Tue, 14 Apr
Multiple Airlines Logo
9:35 p.m. - 9:20 a.m.
YUL
-
USM
24h 45m2 stops
Multiple Airlines Logo
9:00 p.m. - 2:45 p.m.
USM
-
YUL
28h 45m2 stops
C$ 2,053Multiple Airlines
Tue, 7 Apr - Tue, 14 Apr
Multiple Airlines Logo
8:50 p.m. - 11:30 a.m.
YUL
-
USM
26h 40m2 stops
Multiple Airlines Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
65h 50m2 stops
C$ 2,166Multiple Airlines
Wed, 25 Feb - Sat, 7 Mar
Multiple Airlines Logo
8:50 p.m. - 9:20 a.m.
YUL
-
USM
24h 30m2 stops
Multiple Airlines Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
65h 50m2 stops
C$ 2,167Multiple Airlines
Wed, 25 Feb - Sat, 7 Mar
Multiple Airlines Logo
8:50 p.m. - 10:35 a.m.
YUL
-
USM
25h 45m2 stops
Multiple Airlines Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
41h 50m2 stops
C$ 2,169Multiple Airlines
Wed, 25 Feb - Sat, 7 Mar
Qatar Airways Logo
8:50 p.m. - 10:35 a.m.
YUL
-
USM
25h 45m2 stops
Qatar Airways Logo
8:30 p.m. - 2:05 p.m.
USM
-
YUL
53h 35m2 stops
C$ 2,199Qatar Airways
Wed, 18 Feb - Fri, 6 Mar

Qatar Airways flights from Montreal to Ko Samui

Our best Qatar Airways deals on Montreal to Ko Samui flight tickets
Qatar Airways
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
25h 45m
2 stops
USM10:35 a.m.Ko Samui
6 Mar
USM8:30 p.m.Ko Samui
53h 35m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,199
Find similar
Qatar Airways
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
25h 45m
2 stops
USM10:35 a.m.Ko Samui
6 Mar
USM9:10 p.m.Ko Samui
52h 55m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,294
Find similar
Qatar Airways
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
24h 30m
2 stops
USM9:20 a.m.Ko Samui
6 Mar
USM9:10 p.m.Ko Samui
52h 55m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,296
Find similar

Austrian Airlines flights from Montreal to Ko Samui

Our best Austrian Airlines deals on Montreal to Ko Samui flight tickets
Austrian Airlines
6 Apr
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
36h 55m
2 stops
USM6:30 p.m.Ko Samui
15 Apr
USM7:15 p.m.Ko Samui
27h 50m
3 stops
YUL12:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 5,618
Find similar
Austrian Airlines
8 Apr
YUL10:10 p.m.Montreal Pierre Elliott Trudeau Intl
33h 20m
3 stops
USM6:30 p.m.Ko Samui
15 Apr
USM8:35 p.m.Ko Samui
28h 15m
2 stops
YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 6,241
Find similar
Austrian Airlines
6 Apr
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
36h 55m
2 stops
USM6:30 p.m.Ko Samui
13 Apr
USM8:35 p.m.Ko Samui
26h 30m
3 stops
YUL12:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 6,269
Find similar

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 4 December 2025.
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

Mon 6/4

6:00 p.m.-11:05 a.m.

2 stops30h 05m

Ko Samui

Wed 15/4

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

2 stops32h 20m

C$ 1,534

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

6:00 p.m.-1:10 p.m.

2 stops32h 10m

Ko Samui

Wed 15/4

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

2 stops32h 20m

C$ 1,550

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:00 p.m.-8:15 a.m.

2 stops27h 15m

Ko Samui

Mon 13/4

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

2 stops32h 20m

C$ 1,634

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

6:00 p.m.-1:10 p.m.

2 stops32h 10m

Ko Samui

Mon 13/4

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

2 stops32h 20m

C$ 1,640

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

6:00 p.m.-8:35 a.m.

2 stops27h 35m

Ko Samui

Tue 14/4

6:55 p.m.-5:05 p.m.

2 stops33h 10m

C$ 1,721

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

9:35 p.m.-9:20 a.m.

2 stops24h 45m

Ko Samui

Tue 14/4

9:00 p.m.-2:45 p.m.

2 stops28h 45m

C$ 2,053

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-11:30 a.m.

2 stops26h 40m

Ko Samui

Sat 7/3

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

2 stops65h 50m

C$ 2,166

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-9:20 a.m.

2 stops24h 30m

Ko Samui

Sat 7/3

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

2 stops65h 50m

C$ 2,167

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-10:35 a.m.

2 stops25h 45m

Ko Samui

Sat 7/3

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

2 stops41h 50m

C$ 2,169

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:50 p.m.-10:35 a.m.

2 stops25h 45m

Ko Samui

Fri 6/3

8:30 p.m.-2:05 p.m.

2 stops53h 35m

C$ 2,199

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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$ 625. Flights from Montreal to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,743. 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$ 479. 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$ 1,602 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

24h 45m

Direct flights

None
The fastest flight from Montreal to Ko Samui takes 24h 45m
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 24h 30m.

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

  • 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.

Best airlines flying from Montreal to Ko Samui

Compare and see reviews for airlines that fly from Montreal to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom C$ 2,043Free CancellationRating
7.4
3,678 reviews
Search Qatar Airways 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 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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