What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How often are flights from Montreal to Ko Samui delayed?

Historically, on average around 23% of flights between Montreal and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 123 minutes.

Which airline has the best punctuality record on Montreal to Ko Samui flights?

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

What is the most punctual flight time for Montreal to Ko Samui flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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.

C$ 344 Cheap Flights from Montreal to Ko Samui in 2026

1 adult

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Find the cheapest flights from Montreal to Ko Samui

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 p.m. - 11:00 a.m.

YUL

USM

28h 35m

2 stops

6:05 p.m. - 5:00 p.m.

USM

YUL

33h 55m

2 stops

C$ 1,387Multiple Airlines

Wed, 18 Feb - Thu, 12 Mar

6:20 p.m. - 10:35 a.m.

YUL

USM

28h 15m

2 stops

7:00 p.m. - 5:05 p.m.

USM

YUL

34h 05m

2 stops

C$ 1,975Multiple Airlines

Sat, 21 Feb - Wed, 25 Feb

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

YUL

USM

29h 10m

2 stops

7:00 p.m. - 5:05 p.m.

USM

YUL

34h 05m

2 stops

C$ 1,979Multiple Airlines

Sat, 21 Feb - Wed, 25 Feb

6:25 p.m. - 11:30 a.m.

YUL

USM

29h 05m

2 stops

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

USM

YUL

34h 00m

2 stops

C$ 2,000Multiple Airlines

Wed, 18 Feb - Fri, 6 Mar

6:25 p.m. - 11:30 a.m.

YUL

USM

29h 05m

2 stops

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

USM

YUL

34h 00m

2 stops

C$ 2,004Multiple Airlines

Wed, 18 Feb - Fri, 6 Mar

6:20 p.m. - 1:05 p.m.

YUL

USM

30h 45m

2 stops

8:20 p.m. - 6:00 p.m.

USM

YUL

32h 40m

2 stops

C$ 2,097Multiple Airlines

Thu, 19 Feb - Fri, 13 Mar

6:25 p.m. - 11:00 a.m.

YUL

USM

28h 35m

2 stops

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

USM

YUL

34h 00m

2 stops

C$ 2,114Multiple Airlines

Wed, 18 Feb - Fri, 13 Mar

6:25 p.m. - 5:10 p.m.

YUL

USM

34h 45m

2 stops

11:40 a.m. - 2:05 p.m.

USM

YUL

38h 25m

2 stops

C$ 2,170Multiple Airlines

Wed, 25 Feb - Sat, 7 Mar

6:25 p.m. - 10:35 a.m.

YUL

USM

28h 10m

2 stops

7:30 p.m. - 4:00 p.m.

USM

YUL

32h 30m

2 stops

C$ 2,213Multiple Airlines

Wed, 25 Feb - Sat, 7 Mar

6:25 p.m. - 11:00 a.m.

YUL

USM

28h 35m

2 stops

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

USM

YUL

34h 00m

2 stops

C$ 2,257Multiple Airlines

Fri, 20 Feb - Fri, 13 Mar

SWISS flights from Montreal to Ko Samui

Our best SWISS deals on Montreal to Ko Samui flight tickets

SWISS

18 Jun

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

33h 05m

2 stops

USM12:45 p.m.Ko Samui

7 Jul

USM4:25 p.m.Ko Samui

32h 25m

3 stops

YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,350

SWISS

18 Jun

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

34h 05m

2 stops

USM1:45 p.m.Ko Samui

8 Jul

USM4:25 p.m.Ko Samui

32h 25m

3 stops

YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,476

SWISS

18 Jun

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

34h 05m

2 stops

USM1:45 p.m.Ko Samui

8 Jul

USM4:25 p.m.Ko Samui

32h 25m

3 stops

YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,482

Qatar Airways flights from Montreal to Ko Samui

Our best Qatar Airways deals on Montreal to Ko Samui flight tickets

Qatar Airways

17 Feb

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

33h 25m

2 stops

USM6:15 p.m.Ko Samui

13 Mar

USM7:10 p.m.Ko Samui

54h 55m

2 stops

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,590

Qatar Airways

16 Feb

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

36h 00m

2 stops

USM8:50 p.m.Ko Samui

13 Mar

USM7:35 p.m.Ko Samui

54h 30m

2 stops

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,668

Qatar Airways

22 Feb

YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl

28h 15m

2 stops

USM1:05 p.m.Ko Samui

13 Mar

USM7:10 p.m.Ko Samui

54h 55m

2 stops

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,686

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.-11:00 a.m.

2 stops28h 35m

Ko Samui

Thu 12/3

6:05 p.m.-5:00 p.m.

2 stops33h 55m

C$ 1,387

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:20 p.m.-10:35 a.m.

2 stops28h 15m

Ko Samui

Wed 25/2

7:00 p.m.-5:05 p.m.

2 stops34h 05m

C$ 1,975

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

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

2 stops29h 10m

Ko Samui

Wed 25/2

7:00 p.m.-5:05 p.m.

2 stops34h 05m

C$ 1,979

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:25 p.m.-11:30 a.m.

2 stops29h 05m

Ko Samui

Fri 6/3

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

2 stops34h 00m

C$ 2,000

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:25 p.m.-11:30 a.m.

2 stops29h 05m

Ko Samui

Fri 6/3

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

2 stops34h 00m

C$ 2,004

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

6:20 p.m.-1:05 p.m.

2 stops30h 45m

Ko Samui

Fri 13/3

8:20 p.m.-6:00 p.m.

2 stops32h 40m

C$ 2,097

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:25 p.m.-11:00 a.m.

2 stops28h 35m

Ko Samui

Fri 13/3

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

2 stops34h 00m

C$ 2,114

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

6:25 p.m.-5:10 p.m.

2 stops34h 45m

Ko Samui

Sat 7/3

11:40 a.m.-2:05 p.m.

2 stops38h 25m

C$ 2,170

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

6:25 p.m.-10:35 a.m.

2 stops28h 10m

Ko Samui

Sat 7/3

7:30 p.m.-4:00 p.m.

2 stops32h 30m

C$ 2,213

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

6:25 p.m.-11:00 a.m.

2 stops28h 35m

Ko Samui

Fri 13/3

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

2 stops34h 00m

C$ 2,257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Delays

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$ 622. Flights from Montreal to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,734. 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$ 477. 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$ 1,594 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.

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.