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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui from C$ 1,637

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 Pierre Elliott Trudeau Intl Airport to Ko Samui departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 a.m. - 11:00 a.m.
YUL
-
USM
38h 00m2 stops
Multiple Airlines Logo
6:05 p.m. - 7:25 p.m.
USM
-
YUL
37h 20m2 stops
C$ 1,637Multiple Airlines
Sun, 11 Jan - Wed, 21 Jan
Multiple Airlines Logo
9:00 a.m. - 11:00 a.m.
YUL
-
USM
38h 00m2 stops
Multiple Airlines Logo
7:45 p.m. - 7:25 p.m.
USM
-
YUL
35h 40m2 stops
C$ 1,739Multiple Airlines
Sun, 11 Jan - Wed, 21 Jan
Qatar Airways Logo
8:50 p.m. - 11:30 a.m.
YUL
-
USM
26h 40m2 stops
Qatar Airways Logo
7:10 p.m. - 2:05 p.m.
USM
-
YUL
54h 55m2 stops
C$ 2,224Qatar Airways
Wed, 18 Feb - Fri, 6 Mar
Qatar Airways Logo
8:50 p.m. - 10:35 a.m.
YUL
-
USM
25h 45m2 stops
Qatar Airways Logo
7:10 p.m. - 2:05 p.m.
USM
-
YUL
54h 55m2 stops
C$ 2,254Qatar Airways
Wed, 25 Feb - Sat, 7 Mar
Qatar Airways Logo
8:50 p.m. - 3:35 p.m.
YUL
-
USM
30h 45m2 stops
Qatar Airways Logo
7:35 p.m. - 2:05 p.m.
USM
-
YUL
54h 30m2 stops
C$ 2,255Qatar Airways
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
8:20 p.m. - 2:05 p.m.
USM
-
YUL
53h 45m2 stops
C$ 2,484Qatar Airways
Mon, 12 Jan - Fri, 23 Jan
Qatar Airways Logo
8:50 p.m. - 1:50 p.m.
YUL
-
USM
29h 00m2 stops
Qatar Airways Logo
8:20 p.m. - 2:05 p.m.
USM
-
YUL
53h 45m2 stops
C$ 2,538Qatar Airways
Sun, 11 Jan - Wed, 21 Jan
Qatar Airways Logo
8:50 p.m. - 4:25 p.m.
YUL
-
USM
55h 35m2 stops
Qatar Airways Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
41h 50m2 stops
C$ 2,601Qatar Airways
Tue, 6 Jan - Thu, 5 Mar
Qatar Airways Logo
8:50 p.m. - 11:30 a.m.
YUL
-
USM
26h 40m2 stops
Qatar Airways Logo
8:30 p.m. - 2:05 p.m.
USM
-
YUL
53h 35m2 stops
C$ 2,623Qatar Airways
Mon, 12 Jan - Fri, 23 Jan
Qatar Airways Logo
8:50 p.m. - 8:10 a.m.
YUL
-
USM
47h 20m2 stops
Qatar Airways Logo
8:15 a.m. - 2:05 p.m.
USM
-
YUL
41h 50m2 stops
C$ 2,793Qatar Airways
Tue, 6 Jan - Thu, 5 Mar

Malaysia Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Our best Malaysia Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui flight tickets
Malaysia Airlines
11 Jan
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
36h 30m
3 stops
USM9:20 p.m.Ko Samui
21 Jan
USM9:10 p.m.Ko Samui
52h 55m
3 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 4,377
Find similar
Malaysia Airlines
11 Jan
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
36h 30m
3 stops
USM9:20 p.m.Ko Samui
21 Jan
USM9:10 p.m.Ko Samui
52h 55m
3 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 4,384
Find similar
Malaysia Airlines
11 Jan
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
36h 30m
3 stops
USM9:20 p.m.Ko Samui
21 Jan
USM9:10 p.m.Ko Samui
52h 55m
3 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 4,388
Find similar

Qatar Airways flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Our best Qatar Airways deals on Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui flight tickets
Qatar Airways
18 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
26h 40m
2 stops
USM11:30 a.m.Ko Samui
6 Mar
USM7:35 p.m.Ko Samui
54h 30m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,224
Find similar
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
25h 45m
2 stops
USM10:35 a.m.Ko Samui
7 Mar
USM7:30 p.m.Ko Samui
54h 35m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,253
Find similar
Qatar Airways
25 Feb
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
25h 45m
2 stops
USM10:35 a.m.Ko Samui
7 Mar
USM7:10 p.m.Ko Samui
54h 55m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,254
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 18 December 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Sun 11/1

9:00 a.m.-11:00 a.m.

2 stops38h 00m

Ko Samui

Wed 21/1

6:05 p.m.-7:25 p.m.

2 stops37h 20m

C$ 1,637

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

9:00 a.m.-11:00 a.m.

2 stops38h 00m

Ko Samui

Wed 21/1

7:45 p.m.-7:25 p.m.

2 stops35h 40m

C$ 1,739

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

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

2 stops26h 40m

Ko Samui

Fri 6/3

7:10 p.m.-2:05 p.m.

2 stops54h 55m

C$ 2,224

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

7:10 p.m.-2:05 p.m.

2 stops54h 55m

C$ 2,254

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-3:35 p.m.

2 stops30h 45m

Ko Samui

Sat 7/3

7:35 p.m.-2:05 p.m.

2 stops54h 30m

C$ 2,255

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

2 stops25h 45m

Ko Samui

Fri 23/1

8:20 p.m.-2:05 p.m.

2 stops53h 45m

C$ 2,484

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:50 p.m.-1:50 p.m.

2 stops29h 00m

Ko Samui

Wed 21/1

8:20 p.m.-2:05 p.m.

2 stops53h 45m

C$ 2,538

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

8:50 p.m.-4:25 p.m.

2 stops55h 35m

Ko Samui

Thu 5/3

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

2 stops41h 50m

C$ 2,601

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

2 stops26h 40m

Ko Samui

Fri 23/1

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

2 stops53h 35m

C$ 2,623

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

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

2 stops47h 20m

Ko Samui

Thu 5/3

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

2 stops41h 50m

C$ 2,793

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 Pierre Elliott Trudeau Intl Airport 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$ 617. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,721. 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 Pierre Elliott Trudeau Intl Airport to Ko Samui in the morning for as low as C$ 473. 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$ 1,582 on average. Flights to Ko Samui from Montreal Pierre Elliott Trudeau Intl Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui (YUL to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui takes 26h 40m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to Ko Samui by plane?

    Ko Samui is 13860.2 km away from Montreal Pierre Elliott Trudeau Intl. Typically, this will take 26h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui Airport were last updated today.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui Airport?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Ko Samui Airport.

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

    The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom C$ 2,017Free CancellationRating
7.4
3,686 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Ko Samui . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Montreal to Ko Samui flights to just show those with flexible booking policies.

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

Once you have performed a search for Montreal to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Montreal to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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