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Cheap flights from Montreal to Ko Samui from C$ 1,840

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — USM
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 1,840
Air France
  • Air France
  • 20/11-24/11
  • 4 total stops
  • 109h 25m total
  • Montreal to Ko Samui
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Find flight deals from Montreal to Ko Samui

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 11 September 2025.

Thu 20/115:00 p.m.YUL - USM
2 stops53h 35mAir France
Mon 24/114:25 p.m.USM - YUL
2 stops55h 50mAir France
Deal found 9/9C$ 1,840
Wed 22/109:35 p.m.YUL - USM
2 stops52h 35mQatar Airways
Thu 20/111:25 p.m.USM - YUL
2 stops36h 40mQatar Airways
Deal found 10/9C$ 1,874
Wed 22/109:30 p.m.YUL - USM
3 stops30h 15mMultiple Airlines
Thu 20/117:00 a.m.USM - YUL
3 stops29h 43mMultiple Airlines
Deal found 10/9C$ 2,386
Thu 20/1110:40 a.m.YUL - USM
2 stops46h 25mEmirates
Mon 24/111:25 p.m.USM - YUL
2 stops54h 10mEmirates
Deal found 11/9C$ 2,435
Tue 16/1212:30 p.m.YUL - USM
2 stops30h 40mMultiple Airlines
Wed 31/128:40 p.m.USM - YUL
2 stops32h 20mMultiple Airlines
Deal found 11/9C$ 2,462
Wed 17/1212:30 p.m.YUL - USM
2 stops32h 10mMultiple Airlines
Wed 31/128:20 p.m.USM - YUL
2 stops32h 40mMultiple Airlines
Deal found 11/9C$ 2,512
Mon 15/128:55 p.m.YUL - USM
2 stops23h 45mMultiple Airlines
Wed 31/127:35 p.m.USM - YUL
2 stops33h 25mMultiple Airlines
Deal found 11/9C$ 2,774
Tue 16/1212:30 p.m.YUL - USM
2 stops32h 10mMultiple Airlines
Tue 30/127:30 p.m.USM - YUL
2 stops33h 30mMultiple Airlines
Deal found 11/9C$ 2,783
Wed 17/1212:30 p.m.YUL - USM
2 stops31h 15mMultiple Airlines
Tue 30/128:30 p.m.USM - YUL
2 stops32h 30mMultiple Airlines
Deal found 11/9C$ 2,832
Mon 15/124:45 p.m.YUL - USM
2 stops40h 20mSWISS
Tue 30/124:25 p.m.USM - YUL
2 stops34h 45mSWISS
Deal found 11/9C$ 3,085

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 11 September 2025.
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

Thu 20/11

5:00 p.m.-10:35 a.m.

2 stops53h 35m

Ko Samui

Mon 24/11

4:25 p.m.-12:15 p.m.

2 stops55h 50m

C$ 1,840

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

10:40 a.m.-9:05 p.m.

2 stops46h 25m

Ko Samui

Mon 24/11

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

2 stops54h 10m

C$ 2,435

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

12:30 p.m.-7:10 a.m.

2 stops30h 40m

Ko Samui

Wed 31/12

8:40 p.m.-5:00 p.m.

2 stops32h 20m

C$ 2,462

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

8:55 p.m.-8:40 a.m.

2 stops23h 45m

Ko Samui

Wed 31/12

7:35 p.m.-5:00 p.m.

2 stops33h 25m

C$ 2,774

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

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

2 stops29h 00m

Ko Samui

Sun 28/12

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

2 stops55h 05m

C$ 3,560

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

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

2 stops23h 35m

Ko Samui

Mon 29/12

11:10 a.m.-2:05 p.m.

2 stops38h 55m

C$ 3,667

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 26/12

11:10 a.m.-7:10 a.m.

3 stops32h 00m

Ko Samui

Sat 10/1

11:40 a.m.-6:44 a.m.

2 stops31h 04m

C$ 3,718

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

4:45 p.m.-9:05 p.m.

2 stops40h 20m

Ko Samui

Thu 1/1

10:00 a.m.-3:10 p.m.

2 stops41h 10m

C$ 3,726

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 11 September 2025.

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 morning could potentially save you up to 71% 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.

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 1 airline.

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

    Airlines like Air France and Emirates fly from Montreal to Ko Samui in about 46h 25m. The time it takes to get you to your destination can typically vary by up to 7h 10m. 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.

  • What is the cheapest airline to fly from Montreal to Ko Samui round-trip?

    Flying on Qatar Airways is currently your cheapest option to Ko Samui, with prices starting at C$ 2,029.

  • 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 Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Montreal to Ko Samui

Discover the top airline that operate flights from Montreal to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapestC$ 2,029AverageC$ 2,775FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Ko Samui?

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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