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Cheap flights from Montreal to Ko Samui from C$ 895

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — USM
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Ko Samui
Explore the most affordable flight options available from Montreal to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Fri 23/106:00 p.m.
YUL
-
USM
2 stops27h 00m
Multiple Airlines
Sat 7/114:25 p.m.
USM
-
YUL
2 stops36h 38m
Multiple Airlines
Deal found 3/6C$ 2,048
Thu 12/118:50 p.m.
YUL
-
USM
2 stops24h 30m
Qatar Airways
Mon 16/117:35 p.m.
USM
-
YUL
2 stops30h 30m
Qatar Airways
Deal found 3/6C$ 2,096
Wed 14/109:35 p.m.
YUL
-
USM
2 stops26h 30m
Qatar Airways
Sun 18/105:50 p.m.
USM
-
YUL
2 stops31h 55m
Qatar Airways
Deal found 1/6C$ 2,157
Fri 23/109:35 p.m.
YUL
-
USM
2 stops47h 35m
Qatar Airways
Sat 7/117:00 p.m.
USM
-
YUL
2 stops55h 05m
Qatar Airways
Deal found 4/6C$ 2,167
Mon 1/69:35 p.m.
YUL
-
USM
2 stops31h 30m
Multiple Airlines
Mon 15/66:00 a.m.
USM
-
YUL
2 stops43h 45m
Multiple Airlines
Deal found 31/5C$ 2,177
Mon 10/85:30 p.m.
YUL
-
USM
2 stops27h 15m
Multiple Airlines
Mon 24/87:50 p.m.
USM
-
YUL
2 stops32h 10m
Multiple Airlines
Deal found 1/6C$ 2,294

Find flight deals from Montreal to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 June 2026.

Round-trip from

C$ 2,294

One-way from

C$ 895
10/8-24/8
  • 10/8-24/8
  • 4 total stops
  • 59h 25m total
  • Montreal to Ko Samui
Search Deals
9/7
  • 9/7
  • 2 total stops
  • 32h 20m total
  • Montreal to Ko Samui
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 4 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

Fri 23/10

9:35 p.m.-8:10 a.m.

2 stops47h 35m

Ko Samui

Sat 7/11

7:00 p.m.-2:05 p.m.

2 stops55h 05m

C$ 2,167

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

9:10 p.m.-7:00 a.m.

3 stops45h 50m

C$ 2,308

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:55 p.m.-1:45 p.m.

3 stops28h 50m

Ko Samui

Thu 10/9

8:45 a.m.-12:36 a.m.

3 stops26h 51m

C$ 2,548
Quickest round-trip

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

10:30 p.m.-1:45 p.m.

3 stops28h 15m

Ko Samui

Sat 7/11

9:20 a.m.-12:33 a.m.

3 stops27h 13m

C$ 2,566

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

10:15 a.m.-9:10 p.m.

2 stops47h 55m

Ko Samui

Thu 10/9

7:00 p.m.-8:00 a.m.

2 stops48h 00m

C$ 2,574

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

9:35 p.m.-6:15 p.m.

2 stops33h 40m

Ko Samui

Sat 22/8

6:00 a.m.-2:45 p.m.

2 stops43h 45m

C$ 2,595
Cheapest one-way
Quickest one-way

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

12:55 p.m.-8:15 a.m.

2 stops32h 20m

C$ 895

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 21/6

10:15 a.m.-6:00 p.m.

2 stops44h 45m

C$ 1,865

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

10:15 a.m.-9:10 p.m.

2 stops47h 55m

C$ 2,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Sorted by cheapest first

Best time to book a flight from Montreal to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Montreal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Ko Samui

How often are flights from Montreal to Ko Samui delayed?

About 26% of weekly flights between Montreal and Ko Samui have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Air Canada has had the lowest number of delays on this route, with just 26% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ko Samui from Montreal?

    If you book a flight to Ko Samui from Montreal, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui. There are 0 flights from Montreal to Ko Samui per day from 0 different airlines.

  • How long is the flight from Montreal to Ko Samui?

    Airlines like Qatar Airways fly from Montreal to Ko Samui in about 47h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Montreal to Ko Samui is about 13858 km.

  • Can I find deals for flights from Montreal to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Montreal to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Ko Samui.

  • Can I find deals for business class flights from Montreal to Ko Samui?

    Yes. Cheapflights offers flight deals from Montreal to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

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Deals for Montreal to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Ko Samui?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to Ko Samui with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Ko Samui, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to Ko Samui become cheaper?

Not ready to book yet? You can track prices for flights from Montreal to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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