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C$ 869+ Cheap flights to Ko Samui

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2026.

Mon 25/51:40 p.m.
YYZ
-
USM
2 stops33h 50m
Etihad Airways
Wed 10/65:55 p.m.
USM
-
YYZ
2 stops26h 00m
Etihad Airways
Deal found 13/4C$ 1,915
Fri 1/51:40 p.m.
YYZ
-
USM
2 stops34h 35m
Etihad Airways
Sat 6/68:00 a.m.
USM
-
YYZ
2 stops35h 55m
Etihad Airways
Deal found 10/4C$ 1,921
Sun 26/41:40 p.m.
YYZ
-
USM
2 stops34h 05m
Etihad Airways
Mon 11/55:55 p.m.
USM
-
YYZ
2 stops26h 00m
Etihad Airways
Deal found 10/4C$ 1,922
Thu 21/51:40 p.m.
YYZ
-
USM
2 stops36h 30m
Etihad Airways
Sun 7/68:00 a.m.
USM
-
YYZ
2 stops35h 55m
Etihad Airways
Deal found 12/4C$ 1,951
Sun 24/51:40 p.m.
YYZ
-
USM
2 stops33h 50m
Etihad Airways
Tue 9/65:55 p.m.
USM
-
YYZ
2 stops26h 00m
Etihad Airways
Deal found 13/4C$ 1,963
Wed 2/91:40 p.m.
YYZ
-
USM
2 stops33h 50m
Etihad Airways
Wed 30/95:55 p.m.
USM
-
YYZ
2 stops26h 00m
Etihad Airways
Deal found 14/4C$ 1,965
Mon 25/51:40 p.m.
YYZ
-
USM
2 stops33h 50m
Etihad Airways
Mon 8/65:55 p.m.
USM
-
YYZ
2 stops26h 00m
Etihad Airways
Deal found 13/4C$ 1,995
Tue 28/41:40 p.m.
YYZ
-
USM
2 stops43h 45m
Etihad Airways
Tue 2/66:00 a.m.
USM
-
YYZ
2 stops37h 55m
Etihad Airways
Deal found 12/4C$ 2,003

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, 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 15 April 2026.

Round-trip from

C$ 1,915

One-way from

C$ 1,104
Etihad Airways
  • Etihad Airways
  • 25/5-9/6
  • 4 total stops
  • 59h 50m total
  • Toronto to Ko Samui
Search Deals
25/5
  • 25/5
  • 3 total stops
  • 45h 50m total
  • Toronto to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Locate flights to Ko 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 15 April 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 27/5

1:40 p.m.-8:25 p.m.

2 stops43h 45m

Ko Samui

Sun 7/6

8:00 a.m.-8:55 a.m.

2 stops35h 55m

C$ 1,963

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 21/5

1:40 p.m.-11:05 a.m.

2 stops34h 25m

Ko Samui

Mon 8/6

5:55 p.m.-8:55 a.m.

2 stops26h 00m

C$ 2,044

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 29/5

2:55 p.m.-9:35 p.m.

2 stops43h 40m

Ko Samui

Mon 8/6

8:45 a.m.-9:30 a.m.

2 stops35h 45m

C$ 2,141

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 20/5

1:40 p.m.-10:30 a.m.

2 stops33h 50m

Ko Samui

Fri 5/6

5:55 p.m.-8:55 a.m.

2 stops26h 00m

C$ 2,277

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 1/5

3:45 p.m.-7:40 p.m.

1 stop40h 55m

Ko Samui

Sat 6/6

11:55 a.m.-10:10 p.m.

1 stop21h 15m

C$ 2,831

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 27/4

1:50 a.m.-12:45 p.m.

2 stops23h 55m

Ko Samui

Tue 2/6

11:55 a.m.-5:45 a.m.

1 stop28h 50m

C$ 2,949

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 27/4

1:50 a.m.-7:40 p.m.

1 stop30h 50m

Ko Samui

Tue 2/6

11:55 a.m.-10:10 p.m.

1 stop21h 15m

C$ 2,950

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 25/4

1:50 a.m.-4:55 p.m.

3 stops28h 05m

Ko Samui

Mon 11/5

6:00 a.m.-6:25 a.m.

3 stops35h 25m

C$ 2,963
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 29/6

1:45 a.m.-3:10 p.m.

2 stops26h 25m

Ko Samui

Sat 11/7

8:45 a.m.-9:35 p.m.

2 stops23h 50m

C$ 3,114

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 24/5

1:50 a.m.-7:40 p.m.

1 stop30h 50m

Ko Samui

Wed 3/6

11:55 a.m.-5:45 a.m.

1 stop28h 50m

C$ 3,275

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight to Ko Samui

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

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

How long is the flight to Ko Samui?

On average, a flight from Toronto to Ko Samui takes 31 hours 2 minutes. Flights to Ko Samui from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

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

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

EVA Air
EVA Air
From C$ 1,690

What are the cheapest airlines that fly to Ko Samui?

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

Rainfall in Ko Samui by month

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

In terms of precipitation, rainfall in Ko 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 Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko 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).

FAQs about flying to Ko Samui

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

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.

  • Can I find cheaper flights to Ko 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 Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

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

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

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

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost C$ 96, while round-trip flights cost around C$ 178.

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

    A round-trip flight to Ko Samui will typically cost around C$ 333, however they can be found for as little as C$ 178.

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

    For those looking to save time traveling to Ko Samui, Toronto offers the quickest one-way flight (26 hours 45 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 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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