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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui from C$ 1,921

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 14/11. 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

Qatar Airways Logo
8:50 p.m. - 9:20 a.m.YUL-USM
24h 30m2 stops
Qatar Airways Logo
3:35 p.m. - 2:05 p.m.USM-YUL
34h 30m2 stops
C$ 1,921Qatar Airways
Find Deal
Fri, 14 Nov - Sun, 30 Nov
Logo
12:30 p.m. - 8:10 a.m.YUL-USM
31h 40m2 stops
Logo
8:20 p.m. - 5:00 p.m.USM-YUL
32h 40m2 stops
C$ 2,010
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Logo
12:35 p.m. - 8:15 a.m.YUL-USM
32h 40m2 stops
Logo
4:25 p.m. - 2:45 p.m.USM-YUL
33h 20m2 stops
C$ 2,269
Find Deal
Thu, 25 Sep - Thu, 9 Oct
Air France Logo
7:05 p.m. - 12:35 p.m.YUL-USM
29h 30m2 stops
Air France Logo
4:25 p.m. - 3:20 p.m.USM-YUL
34h 55m2 stops
C$ 2,437Air France
Find Deal
Thu, 20 Nov - Mon, 24 Nov
SWISS Logo
7:35 p.m. - 10:40 a.m.YUL-USM
28h 05m3 stops
SWISS Logo
9:35 a.m. - 3:10 p.m.USM-YUL
41h 35m2 stops
C$ 3,643SWISS
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Qatar Airways Logo
8:50 p.m. - 3:40 p.m.YUL-USM
54h 50m2 stops
Qatar Airways Logo
3:05 p.m. - 2:05 p.m.USM-YUL
59h 00m2 stops
C$ 4,527Qatar Airways
Find Deal
Wed, 17 Dec - Sat, 3 Jan
SWISS Logo
6:35 p.m. - 10:40 a.m.YUL-USM
28h 05m3 stops
SWISS Logo
9:20 a.m. - 3:10 p.m.USM-YUL
41h 50m2 stops
C$ 5,588SWISS
Find Deal
Thu, 18 Dec - Thu, 1 Jan
Air France Logo
7:05 p.m. - 10:35 a.m.YUL-USM
27h 30m2 stops
Air France Logo
8:30 a.m. - 12:15 p.m.USM-YUL
39h 45m2 stops
C$ 6,689Air France
Find Deal
Thu, 18 Dec - Sat, 3 Jan
Emirates Logo
10:40 a.m. - 5:30 p.m.YUL-USM
42h 50m2 stops
Emirates Logo
1:25 p.m. - 7:35 a.m.USM-YUL
54h 10m2 stops
C$ 7,094Emirates
Find Deal
Thu, 18 Dec - Wed, 31 Dec
Emirates Logo
10:40 a.m. - 5:30 p.m.YUL-USM
42h 50m2 stops
Emirates Logo
1:25 p.m. - 7:35 a.m.USM-YUL
30h 10m2 stops
C$ 7,145Emirates
Find Deal
Sat, 20 Dec - Wed, 31 Dec

SWISS flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui

Our best SWISS deals on Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui flight tickets
SWISS
30 Oct
YUL7:35 p.m.Montreal Pierre Elliott Trudeau Intl
28h 05m
3 stops
USM10:40 a.m.Ko Samui
6 Nov
USM9:35 a.m.Ko Samui
41h 35m
2 stops
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,643
Find similar
SWISS
18 Dec
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
28h 05m
3 stops
USM10:40 a.m.Ko Samui
1 Jan
USM9:20 a.m.Ko Samui
41h 50m
2 stops
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 5,588
Find similar
SWISS
30 Oct
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
31h 55m
3 stops
USM2:55 p.m.Ko Samui
6 Nov
USM9:35 a.m.Ko Samui
42h 00m
3 stops
YUL3:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 6,299
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
14 Nov
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
24h 30m
2 stops
USM9:20 a.m.Ko Samui
30 Nov
USM3:35 p.m.Ko Samui
34h 30m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,921
Find similar
Qatar Airways
17 Dec
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
54h 50m
2 stops
USM3:40 p.m.Ko Samui
3 Jan
USM3:05 p.m.Ko Samui
59h 00m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 4,527
Find similar
Qatar Airways
17 Dec
YUL8:50 p.m.Montreal Pierre Elliott Trudeau Intl
52h 15m
2 stops
USM1:05 p.m.Ko Samui
31 Dec
USM3:50 p.m.Ko Samui
58h 15m
2 stops
YUL2:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 4,569
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 15 September 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

Fri 14/11

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

2 stops24h 30m

Ko Samui

Sun 30/11

3:35 p.m.-2:05 p.m.

2 stops34h 30m

C$ 1,921

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 9/12

12:30 p.m.-8:10 a.m.

2 stops31h 40m

Ko Samui

Tue 16/12

8:20 p.m.-5:00 p.m.

2 stops32h 40m

C$ 2,010

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

12:35 p.m.-8:15 a.m.

2 stops32h 40m

Ko Samui

Thu 9/10

4:25 p.m.-2:45 p.m.

2 stops33h 20m

C$ 2,269

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

7:05 p.m.-12:35 p.m.

2 stops29h 30m

Ko Samui

Mon 24/11

4:25 p.m.-3:20 p.m.

2 stops34h 55m

C$ 2,437

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

7:35 p.m.-10:40 a.m.

3 stops28h 05m

Ko Samui

Thu 6/11

9:35 a.m.-3:10 p.m.

2 stops41h 35m

C$ 3,643

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

8:50 p.m.-3:40 p.m.

2 stops54h 50m

Ko Samui

Sat 3/1

3:05 p.m.-2:05 p.m.

2 stops59h 00m

C$ 4,527

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

6:35 p.m.-10:40 a.m.

3 stops28h 05m

Ko Samui

Thu 1/1

9:20 a.m.-3:10 p.m.

2 stops41h 50m

C$ 5,588

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

7:05 p.m.-10:35 a.m.

2 stops27h 30m

Ko Samui

Sat 3/1

8:30 a.m.-12:15 p.m.

2 stops39h 45m

C$ 6,689

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

10:40 a.m.-5:30 p.m.

2 stops42h 50m

Ko Samui

Wed 31/12

1:25 p.m.-7:35 a.m.

2 stops54h 10m

C$ 7,094

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 20/12

10:40 a.m.-5:30 p.m.

2 stops42h 50m

Ko Samui

Wed 31/12

1:25 p.m.-7:35 a.m.

2 stops30h 10m

C$ 7,145

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$ 620. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Ko Samui on a Sunday will generally be more expensive and average around C$ 1,729. 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$ 476. 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$ 1,589 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

Direct flights

None
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.
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  • 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 23h 25m 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$ 2,026Free CancellationRating
7.4
3,624 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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