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C$ 1,146+ 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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
1 Jul — 8 Jul1
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 1 June 2026.

Mon 9/111:15 p.m.
YYZ
-
USM
2 stops29h 55m
Multiple Airlines
Fri 20/1112:30 p.m.
USM
-
YYZ
2 stops30h 50m
Multiple Airlines
Deal found 30/5C$ 1,823
Tue 15/96:30 p.m.
YYZ
-
USM
2 stops36h 45m
Multiple Airlines
Wed 30/97:10 p.m.
USM
-
YYZ
2 stops32h 50m
Multiple Airlines
Deal found 30/5C$ 1,856
Sun 18/106:10 p.m.
YYZ
-
USM
3 stops29h 55m
Multiple Airlines
Mon 2/118:30 a.m.
USM
-
YYZ
3 stops42h 20m
Multiple Airlines
Deal found 27/5C$ 1,869
Sun 27/96:10 p.m.
YYZ
-
USM
2 stops37h 05m
Multiple Airlines
Sat 3/106:55 p.m.
USM
-
YYZ
2 stops33h 30m
Multiple Airlines
Deal found 27/5C$ 1,942
Wed 30/91:50 a.m.
YYZ
-
USM
2 stops30h 00m
Multiple Airlines
Thu 8/106:15 p.m.
USM
-
YYZ
3 stops41h 10m
Multiple Airlines
Deal found 28/5C$ 1,954
Mon 8/61:05 p.m.
YYZ
-
USM
2 stops35h 35m
Multiple Airlines
Wed 24/66:25 p.m.
USM
-
YYZ
2 stops34h 05m
Multiple Airlines
Deal found 30/5C$ 2,074
Wed 16/91:45 a.m.
YYZ
-
USM
2 stops29h 45m
EVA Air
Mon 21/99:15 a.m.
USM
-
YYZ
2 stops23h 05m
EVA Air
Deal found 28/5C$ 2,132
Wed 15/75:15 p.m.
YTZ
-
USM
2 stops40h 55m
Multiple Airlines
Tue 18/84:25 p.m.
USM
-
YTZ
2 stops36h 35m
Multiple Airlines
Deal found 27/5C$ 6,200

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 1 June 2026.

Round-trip from

C$ 1,823

One-way from

C$ 1,179
9/11-20/11
  • 9/11-20/11
  • 4 total stops
  • 60h 45m total
  • Toronto to Ko Samui
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 29h 45m 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 1 June 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 30/9

1:50 a.m.-6:50 p.m.

2 stops30h 00m

Ko Samui

Thu 8/10

6:15 p.m.-12:25 a.m.

3 stops41h 10m

C$ 1,954

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 16/9

1:45 a.m.-6:30 p.m.

2 stops29h 45m

Ko Samui

Mon 21/9

9:15 a.m.-9:20 p.m.

2 stops23h 05m

C$ 2,132

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 12/9

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

2 stops25h 00m

Ko Samui

Wed 16/9

8:35 p.m.-9:20 p.m.

2 stops35h 45m

C$ 2,172
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 12/9

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

1 stop30h 50m

Ko Samui

Wed 16/9

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

1 stop21h 15m

C$ 2,637

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 16/9

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

1 stop30h 50m

Ko Samui

Mon 21/9

7:50 a.m.-10:10 p.m.

2 stops25h 20m

C$ 2,662

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 15/7

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

2 stops26h 25m

Ko Samui

Fri 17/7

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

2 stops36h 00m

C$ 2,757

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Wed 15/7

5:15 p.m.-9:10 p.m.

2 stops40h 55m

Ko Samui

Tue 18/8

4:25 p.m.-6:00 p.m.

2 stops36h 35m

C$ 6,200
Cheapest one-way
Quickest one-way

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 27/9

1:35 p.m.-7:10 a.m.

2 stops30h 35m

C$ 1,146

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 9/6

10:30 p.m.-7:45 p.m.

3 stops58h 15m

C$ 1,194

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Tue 9/6

5:00 p.m.-12:45 p.m.

3 stops32h 45m

C$ 1,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/5

Showing 1-10 of 14 resultsSorted by cheapest first
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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 50 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.

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 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$ 115, while round-trip flights cost around C$ 277.

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

    A round-trip flight to Ko Samui will typically cost around C$ 408, however they can be found for as little as C$ 277.

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

    For those looking to save time traveling to Ko Samui, Vancouver offers the quickest one-way flight (21 hours 25 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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Flights from Suvarnabhumi to Ko Samui

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Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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