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Cheap flights from Montreal to Ko Samui from C$ 1,148

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 15/6. 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
6:35 p.m. - 9:20 a.m.
YUL
-
USM
27h 45m
2 stops
Multiple Airlines Logo
7:10 p.m. - 5:00 p.m.
USM
-
YUL
32h 50m
2 stops
C$ 1,756Multiple Airlines
Wed, 26 Aug - Wed, 16 Sep
Multiple Airlines Logo
6:00 p.m. - 6:15 p.m.
YUL
-
USM
37h 15m
2 stops
Multiple Airlines Logo
8:20 p.m. - 7:36 p.m.
USM
-
YUL
35h 16m
2 stops
C$ 1,792Multiple Airlines
Fri, 23 Oct - Sun, 8 Nov
Multiple Airlines Logo
6:00 p.m. - 7:45 a.m.
YUL
-
USM
26h 45m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,840Multiple Airlines
Thu, 22 Oct - Sat, 7 Nov
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$ 1,907Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
4:30 p.m. - 11:00 a.m.
YUL
-
USM
31h 30m
2 stops
Multiple Airlines Logo
4:25 p.m. - 5:03 p.m.
USM
-
YUL
36h 38m
2 stops
C$ 1,911Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
7:45 p.m. - 8:15 a.m.
YUL
-
USM
25h 30m
2 stops
Multiple Airlines Logo
7:45 p.m. - 3:52 p.m.
USM
-
YUL
31h 07m
2 stops
C$ 1,996Multiple Airlines
Sat, 22 Aug - Sat, 5 Sep
Multiple Airlines Logo
6:00 p.m. - 6:15 p.m.
YUL
-
USM
37h 15m
2 stops
Multiple Airlines Logo
1:45 p.m. - 9:53 p.m.
USM
-
YUL
44h 08m
3 stops
C$ 2,040Multiple Airlines
Thu, 22 Oct - Sat, 7 Nov
Multiple Airlines Logo
6:00 p.m. - 6:15 p.m.
YUL
-
USM
37h 15m
2 stops
Multiple Airlines Logo
1:45 p.m. - 9:53 p.m.
USM
-
YUL
44h 08m
3 stops
C$ 2,041Multiple Airlines
Fri, 23 Oct - Sat, 7 Nov
Multiple Airlines Logo
9:30 p.m. - 7:40 p.m.
YUL
-
USM
35h 10m
2 stops
Multiple Airlines Logo
7:10 p.m. - 6:40 p.m.
USM
-
YUL
34h 30m
2 stops
C$ 2,215Multiple Airlines
Tue, 21 Jul - Sat, 25 Jul
Multiple Airlines Logo
7:30 a.m. - 8:10 a.m.
YUL
-
USM
37h 40m
2 stops
Multiple Airlines Logo
7:45 p.m. - 12:33 a.m.
USM
-
YUL
40h 48m
3 stops
C$ 2,236Multiple Airlines
Sat, 24 Oct - Mon, 9 Nov

Qatar Airways flights from Montreal to Ko Samui

Our best Qatar Airways deals on Montreal to Ko Samui flight tickets
Qatar Airways
22 Aug
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
35h 15m
3 stops
USM10:45 a.m.Ko Samui
10 Sep
USM8:35 p.m.Ko Samui
29h 10m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,774
Qatar Airways
22 Aug
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
35h 45m
3 stops
USM11:15 a.m.Ko Samui
10 Sep
USM6:55 p.m.Ko Samui
30h 50m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,778
Qatar Airways
22 Aug
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
37h 15m
3 stops
USM12:45 p.m.Ko Samui
10 Sep
USM6:25 p.m.Ko Samui
31h 20m
2 stops
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,795

Emirates flights from Montreal to Ko Samui

Our best Emirates deals on Montreal to Ko Samui flight tickets
Emirates
10 Sep
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
14 Sep
USM4:25 p.m.Ko Samui
50h 35m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,415
Emirates
10 Sep
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
14 Sep
USM4:25 p.m.Ko Samui
50h 35m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,417
Emirates
22 Aug
YUL10:15 a.m.Montreal Pierre Elliott Trudeau Intl
47h 55m
2 stops
USM9:10 p.m.Ko Samui
10 Sep
USM4:25 p.m.Ko Samui
50h 35m
2 stops
YUL8:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,465

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 14 May 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

Wed 26/8

6:35 p.m.-9:20 a.m.

2 stops27h 45m

Ko Samui

Wed 16/9

7:10 p.m.-5:00 p.m.

2 stops32h 50m

C$ 1,756

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

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

2 stops37h 15m

Ko Samui

Sun 8/11

8:20 p.m.-7:36 p.m.

2 stops35h 16m

C$ 1,792

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 p.m.-7:45 a.m.

2 stops26h 45m

Ko Samui

Sat 7/11

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

2 stops36h 38m

C$ 1,840

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$ 1,907

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

4:30 p.m.-11:00 a.m.

2 stops31h 30m

Ko Samui

Sat 7/11

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

2 stops36h 38m

C$ 1,911
Quickest round-trip

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

7:45 p.m.-8:15 a.m.

2 stops25h 30m

Ko Samui

Sat 5/9

7:45 p.m.-3:52 p.m.

2 stops31h 07m

C$ 1,996

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

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

2 stops37h 15m

Ko Samui

Sat 7/11

1:45 p.m.-9:53 p.m.

3 stops44h 08m

C$ 2,040

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

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

2 stops37h 15m

Ko Samui

Sat 7/11

1:45 p.m.-9:53 p.m.

3 stops44h 08m

C$ 2,041

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

9:30 p.m.-7:40 p.m.

2 stops35h 10m

Ko Samui

Sat 25/7

7:10 p.m.-6:40 p.m.

2 stops34h 30m

C$ 2,215

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

7:30 a.m.-8:10 a.m.

2 stops37h 40m

Ko Samui

Mon 9/11

7:45 p.m.-12:33 a.m.

3 stops40h 48m

C$ 2,236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

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 119 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. Monday 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 26% 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

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

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 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 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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