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Cheap flights from Montreal to Ko Samui from C$ 906

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — USM
8 Mar — 15 Mar1
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 6 February 2026.

Wed 29/41:05 p.m.
YUL
-
USM
2 stops42h 10m
Multiple Airlines
Sat 9/57:45 p.m.
USM
-
YUL
2 stops32h 13m
Multiple Airlines
Deal found 5/2C$ 1,375
Wed 19/86:35 p.m.
YUL
-
USM
2 stops29h 30m
Multiple Airlines
Mon 31/87:10 p.m.
USM
-
YUL
2 stops32h 50m
Multiple Airlines
Deal found 3/2C$ 1,647
Wed 13/56:00 p.m.
YUL
-
USM
2 stops29h 45m
Multiple Airlines
Thu 21/59:00 p.m.
USM
-
YUL
2 stops30h 58m
Multiple Airlines
Deal found 3/2C$ 1,705
Sun 29/36:00 p.m.
YUL
-
USM
2 stops40h 10m
Bangkok Airways
Tue 14/411:55 a.m.
USM
-
YUL
2 stops63h 52m
Bangkok Airways
Deal found 4/2C$ 2,128
Mon 9/39:50 p.m.
YUL
-
USM
2 stops24h 30m
Multiple Airlines
Sat 4/48:20 a.m.
USM
-
YUL
2 stops41h 25m
Multiple Airlines
Deal found 3/2C$ 2,280
Tue 1/126:20 p.m.
YUL
-
USM
2 stops30h 45m
Multiple Airlines
Fri 1/111:40 a.m.
USM
-
YUL
2 stops31h 04m
Multiple Airlines
Deal found 6/2C$ 2,292
Mon 9/36:20 p.m.
YUL
-
USM
2 stops26h 50m
Multiple Airlines
Mon 6/47:45 p.m.
USM
-
YUL
2 stops32h 20m
Multiple Airlines
Deal found 3/2C$ 2,314
Sun 29/38:30 a.m.
YUL
-
USM
2 stops46h 45m
Multiple Airlines
Tue 14/47:00 p.m.
USM
-
YUL
3 stops36h 41m
Multiple Airlines
Deal found 4/2C$ 2,327
Thu 17/910:15 a.m.
YUL
-
USM
2 stops47h 55m
Emirates
Mon 21/94:25 p.m.
USM
-
YUL
2 stops50h 35m
Emirates
Deal found 2/2C$ 2,342

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 6 February 2026.

Round-trip from

C$ 1,375

One-way from

C$ 906
29/4-9/5
  • 29/4-9/5
  • 4 total stops
  • 74h 23m total
  • Montreal to Ko Samui
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 32h 15m 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 6 February 2026.
Use the filters below to find and compare flights from Montreal to Ko Samui that are best for you.

Fly from

Montreal

Fly to

Ko Samui

Route

Depart

Return

Price

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

1:05 p.m.-6:15 p.m.

2 stops42h 10m

Ko Samui

Sat 9/5

7:45 p.m.-4:58 p.m.

2 stops32h 13m

C$ 1,375

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

6:00 p.m.-9:10 p.m.

2 stops40h 10m

Ko Samui

Tue 14/4

11:55 a.m.-4:47 p.m.

2 stops63h 52m

C$ 2,128

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:20 p.m.-8:10 a.m.

2 stops26h 50m

Ko Samui

Mon 6/4

7:45 p.m.-5:05 p.m.

2 stops32h 20m

C$ 2,314

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

8:30 a.m.-6:15 p.m.

2 stops46h 45m

Ko Samui

Tue 14/4

7:00 p.m.-8:41 p.m.

3 stops36h 41m

C$ 2,327

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

11:40 a.m.-8:10 a.m.

2 stops33h 30m

Ko Samui

Thu 2/4

5:25 p.m.-8:00 a.m.

2 stops25h 35m

C$ 2,373

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

11:40 a.m.-8:10 a.m.

2 stops57h 30m

Ko Samui

Thu 2/4

8:45 a.m.-8:00 a.m.

2 stops34h 15m

C$ 2,373

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

8:50 p.m.-1:05 p.m.

2 stops52h 15m

Ko Samui

Sat 7/3

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

2 stops65h 50m

C$ 2,401

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

11:40 a.m.-5:00 p.m.

2 stops42h 20m

Ko Samui

Thu 2/4

8:45 a.m.-8:00 a.m.

2 stops34h 15m

C$ 2,415

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

11:40 a.m.-8:10 a.m.

2 stops57h 30m

Ko Samui

Thu 2/4

8:45 a.m.-8:00 a.m.

2 stops34h 15m

C$ 2,420

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

10:40 a.m.-8:10 a.m.

2 stops57h 30m

Ko Samui

Thu 2/4

5:25 p.m.-8:00 a.m.

2 stops25h 35m

C$ 2,423

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 13 results
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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

What is the cheapest time of day to fly from YMQ to USM?

Find hourly flight availability from Montreal to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 February 2026.

One of the essential ways to save on airfare from Montreal to Ko Samui is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 61% on airfare.

What is the cheapest day to fly from Montreal to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Ko Samui. Price data was last updated on 30 March 2025.

Travelers seeking maximum savings on their Montreal to Ko Samui flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Montreal to Ko Samui delayed?

About 24% of weekly flights between Montreal and Ko Samui have experienced delays in the past year, with the average delay time being 122 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening 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 25% 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 Bangkok Airways and Emirates fly from Montreal to Ko Samui in about 33h 30m. The time it takes to get you to your destination can typically vary by up to 6h 40m. The distance from Montreal to Ko Samui is about 13858 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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