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C$ 1,487+ Cheap flights to Koh Samui

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.
— USM
26 Feb — 5 Mar1
1 adult

Flights to Koh Samui in 2025

Find the latest flights to Koh Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 February 2025.

Round-trip from

C$ 7,098
Cathay Pacific
  • Cathay Pacific
  • 22/3-31/3
  • 3 total stops
  • 52h 05m total
  • Toronto to Koh Samui
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Cheapest flights to Koh Samui
Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 21 February 2025.

Thu 20/111:00 p.m.YYZ - USM
2 stops36h 05mMultiple Airlines
Sun 30/119:25 p.m.USM - YYZ
2 stops34h 05mMultiple Airlines
Deal found 20/2C$ 1,487
Wed 19/1112:15 a.m.YYZ - USM
2 stops28h 45mEVA Air
Sun 30/116:05 p.m.USM - YYZ
2 stops62h 15mEVA Air
Deal found 20/2C$ 2,126
Thu 20/116:45 a.m.YTZ - USM
2 stops26h 20mMultiple Airlines
Sun 30/114:25 p.m.USM - YTZ
2 stops30h 15mMultiple Airlines
Deal found 20/2C$ 5,283
Fri 21/31:35 a.m.YYZ - USM
1 stop31h 00mCathay Pacific
Mon 31/310:55 a.m.USM - YYZ
1 stop22h 15mCathay Pacific
Deal found 20/2C$ 7,131

Find flights to Koh Samui within your budget

Locate flights to Koh Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 February 2025.

Fly from

Toronto

Route

Depart

Return

Price

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 22/3

2:55 p.m.-7:45 a.m.

2 stops29h 50m

Ko Samui

Mon 31/3

10:55 a.m.-10:10 p.m.

1 stop22h 15m

C$ 7,098

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 21/3

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

1 stop31h 00m

Ko Samui

Mon 31/3

10:55 a.m.-10:10 p.m.

1 stop22h 15m

C$ 7,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Best time to book a flight to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui 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.

Travel insights for flights to Koh Samui

Get recent, data-driven insights about flights to Koh Samui including ideal travel times, pricing trends, and more.

How long is the flight to Koh Samui?

On average, a flight from Toronto to Koh Samui takes 27 hours 42 minutes. Flights to Koh Samui from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Koh Samui. Price data was last updated on 16 February 2025.

Users looking for the lowest fares to Koh Samui should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Koh Samui?

The most popular airline flying from Toronto to Koh Samui is EVA Air.

EVA Air

EVA Air

From C$ 1,563

What are the cheapest airlines that fly to Koh Samui?

The cheapest airline flying from Toronto to Koh Samui is EVA Air.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated 21 February 2025.
Cathay Pacific
7.5
Good
821 reviews
Check prices

Food

7.3

Overall

7.5

Comfort

7.6

Boarding

7.9

Entertainment

7.7

Crew

8.0

Reviews

1 / 20

6.0
Good

Anonymous,Jan 2025

MAN - HKG

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Cathay Pacific
7.5
Good
821 reviews
Cathay Pacific
7.5
Good
821 reviews
Check prices

Food

7.3

Overall

7.5

Comfort

7.6

Boarding

7.9

Entertainment

7.7

Crew

8.0

Reviews

1 / 20

6.0
Good

Anonymous,Jan 2025

MAN - HKG

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

  • What airport do you fly into for flights to Koh Samui?

    For a flight to Koh Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

  • Can I find cheaper flights to Koh Samui if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Koh Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Koh Samui?

    Based on reviews from Cheapflights users, Air France is rated the highest out of the airlines that fly to Koh Samui.

  • What is the cheapest airport to fly to in Koh Samui?

    Ko Samui is currently the cheapest airport to fly to in Koh Samui. One-way flights to Ko Samui typically cost C$ 94, while round-trip flights cost around C$ 188.

  • How much is a round-trip flight to Koh Samui?

    A round-trip flight to Koh Samui will typically cost around C$ 278, however they can be found for as little as C$ 132.

  • Where does the fastest flight to Koh Samui depart from?

    For those looking to save time traveling to Koh Samui, Vancouver offers the quickest one-way flight (19 hours 5 minutes).

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

Travelling to a place near Koh Samui?

Book flights to Koh Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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