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.

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.

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

According to our data, Delta has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

How often are flights from Montreal to Ko Samui delayed?

Historically, on average around 21% 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 122 minutes.

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?

As of November 2025, there is 1 operator available to choose from 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.

C$ 348 Cheap Flights from Montreal to Ko Samui in 2025/26

1 adult

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Find the cheapest flights from Montreal to Ko Samui

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6:00 p.m. - 6:15 p.m.YUL-USM

37h 15m2 stops

8:50 p.m. - 5:00 p.m.USM-YUL

31h 10m2 stops

C$ 1,449Multiple Airlines

Find Deal

Fri, 17 Apr - Sun, 26 Apr

7:30 a.m. - 7:45 a.m.YUL-USM

36h 15m3 stops

11:40 a.m. - 6:44 a.m.USM-YUL

31h 04m2 stops

C$ 1,549Multiple Airlines

Find Deal

Tue, 13 Jan - Fri, 23 Jan

6:25 p.m. - 9:20 a.m.YUL-USM

26h 55m2 stops

8:30 p.m. - 5:00 p.m.USM-YUL

32h 30m2 stops

C$ 1,623Multiple Airlines

Find Deal

Fri, 23 Jan - Fri, 30 Jan

12:30 p.m. - 7:30 a.m.YUL-USM

31h 00m2 stops

11:40 a.m. - 6:44 a.m.USM-YUL

31h 04m2 stops

C$ 1,741Multiple Airlines

Find Deal

Tue, 13 Jan - Fri, 23 Jan

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

24h 30m2 stops

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

29h 35m2 stops

C$ 1,990Multiple Airlines

Find Deal

Wed, 25 Feb - Sat, 7 Mar

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

24h 30m2 stops

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

29h 35m2 stops

C$ 1,993Multiple Airlines

Find Deal

Wed, 25 Feb - Sat, 7 Mar

8:05 a.m. - 8:05 a.m.YUL-USM

36h 00m3 stops

8:55 a.m. - 7:26 p.m.USM-YUL

46h 31m3 stops

C$ 2,048Multiple Airlines

Find Deal

Mon, 12 Jan - Wed, 21 Jan

8:05 a.m. - 8:05 a.m.YUL-USM

36h 00m3 stops

8:55 a.m. - 7:25 p.m.USM-YUL

46h 30m3 stops

C$ 2,065Multiple Airlines

Find Deal

Sat, 10 Jan - Tue, 20 Jan

8:30 a.m. - 7:20 a.m.YUL-USM

35h 50m3 stops

6:55 p.m. - 7:15 a.m.USM-YUL

47h 20m3 stops

C$ 2,111Multiple Airlines

Find Deal

Fri, 17 Apr - Sun, 26 Apr

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

24h 30m2 stops

9:10 p.m. - 2:05 p.m.USM-YUL

52h 55m2 stops

C$ 2,114Multiple Airlines

Find Deal

Mon, 12 Jan - Fri, 23 Jan

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

30h 20m

2 stops

USM3:10 p.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$ 2,129

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$ 2,192

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

USM8:30 p.m.Ko Samui

53h 35m

2 stops

YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,195

Find similar

Cathay Pacific flights from Montreal to Ko Samui

Our best Cathay Pacific deals on Montreal to Ko Samui flight tickets

Cathay Pacific

24 Jan

YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl

45h 25m

2 stops

USM7:35 p.m.Ko Samui

30 Jan

USM11:40 a.m.Ko Samui

49h 03m

2 stops

YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,730

Find similar

Cathay Pacific

22 Jan

YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl

35h 25m

2 stops

USM7:35 p.m.Ko Samui

30 Jan

USM11:40 a.m.Ko Samui

25h 03m

2 stops

YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,880

Find similar

Cathay Pacific

22 Jan

YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl

35h 25m

2 stops

USM7:35 p.m.Ko Samui

31 Jan

USM11:40 a.m.Ko Samui

25h 03m

2 stops

YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 3,030

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

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

2 stops37h 15m

Ko Samui

Sun 26/4

8:50 p.m.-5:00 p.m.

2 stops31h 10m

C$ 1,449

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

7:30 a.m.-7:45 a.m.

3 stops36h 15m

Ko Samui

Fri 23/1

11:40 a.m.-6:44 a.m.

2 stops31h 04m

C$ 1,549

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

6:25 p.m.-9:20 a.m.

2 stops26h 55m

Ko Samui

Fri 30/1

8:30 p.m.-5:00 p.m.

2 stops32h 30m

C$ 1,623

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

2 stops31h 00m

Ko Samui

Fri 23/1

11:40 a.m.-6:44 a.m.

2 stops31h 04m

C$ 1,741

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

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

2 stops29h 35m

C$ 1,990

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

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

2 stops29h 35m

C$ 1,993

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

8:05 a.m.-8:05 a.m.

3 stops36h 00m

Ko Samui

Wed 21/1

8:55 a.m.-7:26 p.m.

3 stops46h 31m

C$ 2,048

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

8:05 a.m.-8:05 a.m.

3 stops36h 00m

Ko Samui

Tue 20/1

8:55 a.m.-7:25 p.m.

3 stops46h 30m

C$ 2,065

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

8:30 a.m.-7:20 a.m.

3 stops35h 50m

Ko Samui

Sun 26/4

6:55 p.m.-7:15 a.m.

3 stops47h 20m

C$ 2,111

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

2 stops24h 30m

Ko Samui

Fri 23/1

9:10 p.m.-2:05 p.m.

2 stops52h 55m

C$ 2,114

Flights are sorted by cheapest round-trip flights first.

Sorted 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$ 628. Flights from Montreal to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,751. 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$ 482. 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$ 1,610 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

Direct flights	None

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?
As of November 2025, there is 1 operator available to choose from 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 Airways	PriceFrom C$ 2,052	Free Cancellation	Rating 7.4 3,664 reviews		Search Qatar Airways flights

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.

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Montreal to Ko Samui from C$ 1,449

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 17/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal to Ko Samui

Cheap round-trip flights

Cheap one-way flights

Qatar Airways flights from Montreal to Ko Samui

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

Cathay Pacific flights from Montreal to Ko Samui

Our best Cathay Pacific deals on Montreal to Ko Samui flight tickets

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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?

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

How often are flights from Montreal to Ko Samui delayed?

Historically, on average around 21% 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 122 minutes.

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.

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.

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

According to our data, Delta has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

When to book flights from Montreal to Ko Samui

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

Direct flights

How far is Montreal to Ko Samui by plane?

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

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?

What documentation or ID do you need to fly to Ko Samui Airport?

Best airlines flying from Montreal to Ko Samui

Compare and see reviews for airlines that fly from Montreal to Ko Samui with momondo

Travelling to a place near Ko Samui?

Why use momondo?

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

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

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

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

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand