Statistics on Montreal-Koh Samui flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Koh Samui (from: Montreal)
The average price to go to Koh Samui from Montreal airport is $ 1748 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 1422 (in may) and $ 2191 (in december), which is a saving of $ 326 or a surplus of $ 444 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $1404 to $1458 and it is generally more economical to leave on a wednesday and return on a wednesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Koh Samui before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Montreal-Koh Samui plane ticket.
How are these data calculated?
We have studied a sample of 2332 airfare prices from previous years for flights to Koh Samui from Montreal and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in may, the price of the plane ticket will statistically be the cheapest ($ 1422, saving $ 326 compared to the average price over the year which is $ 1748). Conversely, december will be the most expensive ($ 2191).
Flight Montreal-Koh Samui: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 1620 | $ 1874 | fair price |
| February | $ 1479 | $ 1707 | fair price |
| March | $ 1441 | $ 1708 | fair price |
| April | $ 1332 | $ 1516 | good price |
| May | $ 1259 | $ 1422 the cheapest | very good price |
| June | $ 1469 | $ 1706 | fair price |
| July | $ 1781 | $ 1966 | fair price |
| August | $ 1787 | $ 2034 | high price |
| September | $ 1302 | $ 1535 | good price |
| October | $ 1384 | $ 1538 | good price |
| November | $ 1436 | $ 1772 | fair price |
| December | $ 1829 | $ 2191 the most expensive | very high price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from Montreal to Koh Samui
Data analysis:
The prices for flights from Montreal to Koh Samui range from $1026 to $2483. 1% of tickets were purchased at the minimum price (from $1026 to $1080), 1% at the maximum price (from $2429 to $2483). The majority of plane tickets were purchased in the range of $1673 to $1727 (6% of tickets).
Cheapest airlines for the Montreal->Koh Samui flight
There are 13 companies that serve Montreal from Koh Samui airport: Qatar Airways, Air Canada, Air China, Emirates, Swiss, Lufthansa, United, Air France, Air Transat, Turkish Airlines, WestJet, Austrian Airlines and Porter Airlines.
Data analysis:
Of the 2332 flights analyzed in previous years, Qatar Airways was the airline that offered the best fare most often in the flight ticket search results (25% of the time) on the Montreal->Koh Samui route.
Which day of the week to leave?
Data analysis:
Statistically, Montreal-Koh Samui flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $50. On the other hand, departing on a friday may cost you an additional $66.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Koh Samui to Montreal departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $110. Conversely, departing from Koh Samui on a friday may cost you an additional $115.
Top prices Montreal-Koh Samui
| Round trip | Dates | Price | |
|---|---|---|---|
| Montreal → Koh Samui | 02-04 to 09-04-2025 | $ 1671 | layover flight with Qatar Airways |
| Montreal → Koh Samui | 03-04 to 10-04-2025 | $ 1612 | layover flight with Air Canada |
| Montreal → Koh Samui | 05-05 to 19-05-2025 | $ 1373 | layover flight with Lufthansa |
| Montreal → Koh Samui | 08-05 to 29-05-2025 | $ 1408 | layover flight with Etihad Airways |
| Montreal → Koh Samui | 12-05 to 31-05-2025 | $ 1434 | layover flight with Etihad Airways |
| Montreal → Koh Samui | 17-05 to 31-05-2025 | $ 1450 | layover flight with Etihad Airways |
| Montreal → Koh Samui | 23-06 to 29-06-2025 | $ 1723 | layover flight with Air France |
| Montreal → Koh Samui | 17-08 to 25-08-2025 | $ 1616 | layover flight with Air Canada |
| Montreal → Koh Samui | 08-11 to 22-11-2025 | $ 1422 | layover flight with Qatar Airways |
| Montreal → Koh Samui | 01-02 to 07-02-2026 | $ 1163 | layover flight with Air Canada |
When to book your flight Montreal - Koh Samui to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 8 to 9 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Montreal-Koh Samui flight, it is recommended to book your ticket on a tuesday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Montreal to Koh Samui, it is recommended to buy it 8 to 9 months before departure (it is then on average 1573 $, which is a saving of 175 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (98 $ more than the average price).
Depending on the departure month
The best time to buy your Montreal to Koh Samui flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | - |
| February | - |
| March | Best time: 1 to 2 months before departure (average price: 1656 $) |
| April | Best time: 1 to 2 months before departure (average price: 1455 $) |
| May | Best time: 2 to 3 months before departure (average price: 1218 $) |
| June | - |
| July | - |
| August | - |
| September | - |
| October | - |
| November | - |
| December | - |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, tuesday is the day when plane tickets for Montreal->Koh Samui are the cheapest. So, by buying your plane ticket on a tuesday, you will save $92. Conversely, by buying it on a wednesday, you may end up paying $52 more.
Montreal to Koh Samui: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 1710 $1400 to $1889 | high price | Find a flight |
| May 2025 | $ 1440 $1373 to $1556 | high price | Find a flight |
| June 2025 | $ 1723 $1723 to $1723 | high price | Find a flight |
| July 2025 | $ 1991 $1869 to $2112 | high price | Find a flight |
| August 2025 | $ 1788 $1616 to $1932 | very good price | Find a flight |
| November 2025 | $ 1422 $1422 to $1422 | very good price | Find a flight |
| December 2025 | $ 2060 $2060 to $2060 | very good price | Find a flight |
| January 2026 | $ 1869 $1869 to $1869 | fair price | Find a flight |
| February 2026 | $ 1163 $1163 to $1163 | very good price | Find a flight |
Data analysis:
Compared to the average price, august, november, december and february are cheaper to travel to Koh Samui. So it may be interesting to book now to leave during these months!