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Cheap flights from Montreal to Ko Samui from C$ 947

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — USM
28 Apr — 5 May1
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 29 March 2026.

Sun 22/111:25 p.m.
YUL
-
USM
2 stops33h 10m
Multiple Airlines
Tue 1/129:10 p.m.
USM
-
YUL
2 stops34h 26m
Multiple Airlines
Deal found 24/3C$ 1,702
Mon 20/49:35 p.m.
YUL
-
USM
2 stops37h 00m
Multiple Airlines
Mon 4/512:10 p.m.
USM
-
YUL
3 stops37h 35m
Multiple Airlines
Deal found 29/3C$ 2,121
Mon 20/410:15 a.m.
YUL
-
USM
2 stops24h 20m
Emirates
Mon 4/58:00 a.m.
USM
-
YUL
2 stops35h 00m
Emirates
Deal found 29/3C$ 2,285
Thu 24/910:15 a.m.
YUL
-
USM
2 stops47h 55m
Emirates
Mon 28/94:25 p.m.
USM
-
YUL
2 stops50h 35m
Emirates
Deal found 28/3C$ 2,349
Sun 22/118:10 p.m.
YUL
-
USM
3 stops30h 45m
EVA Air
Tue 1/1210:00 a.m.
USM
-
YUL
3 stops26h 33m
EVA Air
Deal found 24/3C$ 2,602
Fri 3/410:15 a.m.
YUL
-
USM
2 stops24h 20m
Multiple Airlines
Fri 17/47:50 p.m.
USM
-
YUL
2 stops47h 10m
Multiple Airlines
Deal found 28/3C$ 8,130

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 29 March 2026.

Round-trip from

C$ 8,130

One-way from

C$ 947
Emirates
  • Emirates
  • 3/4-17/4
  • 4 total stops
  • 71h 30m total
  • Montreal to Ko Samui
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 41h 30m 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 29 March 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
Quickest round-trip

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

10:15 a.m.-9:35 p.m.

2 stops24h 20m

Ko Samui

Mon 4/5

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

2 stops35h 00m

C$ 2,285

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

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

2 stops47h 55m

Ko Samui

Mon 28/9

4:25 p.m.-8:00 a.m.

2 stops50h 35m

C$ 2,349

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

5:10 p.m.-1:45 p.m.

3 stops33h 35m

Ko Samui

Mon 4/5

11:05 a.m.-8:46 p.m.

3 stops44h 41m

C$ 2,585
Cheapest one-way

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

10:10 a.m.-2:40 p.m.

3 stops41h 30m

C$ 947

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

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

2 stops37h 15m

C$ 1,153
Quickest one-way

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

8:30 a.m.-7:10 a.m.

3 stops35h 40m

C$ 1,167

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

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

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 29 March 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?

Tuesday 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 Emirates fly from Montreal to Ko Samui in about 24h 20m. 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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