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Cheap flights from Montreal to Ko Samui from C$ 1,531

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 10/9. 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
1 adult, Economy, 0 bags

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
12:40 p.m. - 7:10 a.m.
YUL
-
USM
31h 30m
2 stops
Multiple Airlines Logo
7:45 p.m. - 5:00 p.m.
USM
-
YUL
32h 15m
2 stops
C$ 1,531Multiple Airlines
Thu, 10 Sep - Tue, 22 Sep
Multiple Airlines Logo
6:35 p.m. - 8:15 a.m.
YUL
-
USM
26h 40m
2 stops
Multiple Airlines Logo
8:50 p.m. - 5:00 p.m.
USM
-
YUL
31h 10m
2 stops
C$ 1,609Multiple Airlines
Mon, 24 Aug - Wed, 23 Sep
Multiple Airlines Logo
12:40 p.m. - 7:10 a.m.
YUL
-
USM
31h 30m
2 stops
Multiple Airlines Logo
7:10 p.m. - 5:03 p.m.
USM
-
YUL
33h 53m
2 stops
C$ 1,849Multiple Airlines
Thu, 1 Oct - Sun, 1 Nov
Multiple Airlines Logo
4:30 p.m. - 7:45 a.m.
YUL
-
USM
28h 15m
2 stops
Multiple Airlines Logo
1:30 p.m. - 12:25 a.m.
USM
-
YUL
45h 55m
3 stops
C$ 1,883Multiple Airlines
Mon, 24 Aug - Wed, 23 Sep
Multiple Airlines Logo
6:35 p.m. - 7:45 a.m.
YUL
-
USM
26h 10m
2 stops
Multiple Airlines Logo
9:25 p.m. - 5:00 p.m.
USM
-
YUL
30h 35m
2 stops
C$ 1,928Multiple Airlines
Sat, 11 Jul - Sat, 18 Jul
Multiple Airlines Logo
6:00 p.m. - 8:00 a.m.
YUL
-
USM
27h 00m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,932Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
6:35 p.m. - 7:45 a.m.
YUL
-
USM
26h 10m
2 stops
Multiple Airlines Logo
7:50 p.m. - 5:00 p.m.
USM
-
YUL
32h 10m
2 stops
C$ 2,014Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
5:30 p.m. - 7:45 a.m.
YUL
-
USM
27h 15m
2 stops
Multiple Airlines Logo
9:00 p.m. - 5:00 p.m.
USM
-
YUL
31h 00m
2 stops
C$ 2,020Multiple Airlines
Mon, 17 Aug - Tue, 25 Aug
Multiple Airlines Logo
6:35 p.m. - 7:45 a.m.
YUL
-
USM
26h 10m
2 stops
Multiple Airlines Logo
9:00 p.m. - 5:00 p.m.
USM
-
YUL
31h 00m
2 stops
C$ 2,052Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
6:00 p.m. - 6:15 p.m.
YUL
-
USM
37h 15m
2 stops
Multiple Airlines Logo
3:25 p.m. - 3:59 p.m.
USM
-
YUL
35h 34m
3 stops
C$ 2,059Multiple Airlines
Thu, 10 Sep - Tue, 22 Sep

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Qatar Airways flights from Montreal to Ko Samui

Our best Qatar Airways deals on Montreal to Ko Samui flight tickets
Qatar Airways
12 Nov
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
24h 30m
2 stops
USM9:20 a.m.Ko Samui
16 Nov
USM7:35 p.m.Ko Samui
30h 30m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,092
Qatar Airways
12 Nov
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
30h 45m
2 stops
USM3:35 p.m.Ko Samui
16 Nov
USM9:10 p.m.Ko Samui
28h 55m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,095
Qatar Airways
12 Nov
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
27h 00m
2 stops
USM11:50 a.m.Ko Samui
16 Nov
USM2:05 p.m.Ko Samui
36h 00m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,097

Emirates flights from Montreal to Ko Samui

Our best Emirates deals on Montreal to Ko Samui flight tickets
Emirates
22 Aug
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
10 Sep
USM2:30 p.m.Ko Samui
28h 30m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,550
Emirates
22 Aug
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
10 Sep
USM2:30 p.m.Ko Samui
28h 30m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,566
Emirates
22 Aug
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
10 Sep
USM2:30 p.m.Ko Samui
28h 30m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,569

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 12 June 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

Cheapest round-trip

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

12:40 p.m.-7:10 a.m.

2 stops31h 30m

Ko Samui

Tue 22/9

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

2 stops32h 15m

C$ 1,531

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

6:35 p.m.-8:15 a.m.

2 stops26h 40m

Ko Samui

Wed 23/9

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

2 stops31h 10m

C$ 1,609

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

12:40 p.m.-7:10 a.m.

2 stops31h 30m

Ko Samui

Sun 1/11

7:10 p.m.-5:03 p.m.

2 stops33h 53m

C$ 1,849

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

4:30 p.m.-7:45 a.m.

2 stops28h 15m

Ko Samui

Wed 23/9

1:30 p.m.-12:25 a.m.

3 stops45h 55m

C$ 1,883
Quickest round-trip

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

6:35 p.m.-7:45 a.m.

2 stops26h 10m

Ko Samui

Sat 18/7

9:25 p.m.-5:00 p.m.

2 stops30h 35m

C$ 1,928

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

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

2 stops27h 00m

Ko Samui

Sat 7/11

4:25 p.m.-5:03 p.m.

2 stops36h 38m

C$ 1,932

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

6:35 p.m.-7:45 a.m.

2 stops26h 10m

Ko Samui

Mon 24/8

7:50 p.m.-5:00 p.m.

2 stops32h 10m

C$ 2,014

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

5:30 p.m.-7:45 a.m.

2 stops27h 15m

Ko Samui

Tue 25/8

9:00 p.m.-5:00 p.m.

2 stops31h 00m

C$ 2,020

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:35 p.m.-7:45 a.m.

2 stops26h 10m

Ko Samui

Tue 25/8

9:00 p.m.-5:00 p.m.

2 stops31h 00m

C$ 2,052

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

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

2 stops37h 15m

Ko Samui

Tue 22/9

3:25 p.m.-3:59 p.m.

3 stops35h 34m

C$ 2,059

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

How often are flights from Montreal to Ko Samui delayed?

Historically, on average around 26% 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 118 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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. Sunday 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, Air Canada has had the least delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.

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 30m

Direct flights

None
The fastest flight from Montreal to Ko Samui takes 24h 30m
There are no direct flights from Montreal to Ko Samui. There are no popular flight routes from Montreal to Ko Samui.
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Frequently asked questions about flying from Montreal to Ko Samui

  • 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 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 Tao
Ko Pha Ngan
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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