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C$ 1,909+ Cheap flights to Ko 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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
5 May — 12 May1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko 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 30 April 2025.

Round-trip from

C$ 1,909
21/5-28/5
  • 21/5-28/5
  • 4 total stops
  • 68h 40m total
  • Toronto to Ko Samui
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Find flight deals to Ko Samui

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 30 April 2025.

Wed 21/57:55 p.m.YYZ - USM
2 stops34h 10mMultiple Airlines
Wed 28/56:25 p.m.USM - YYZ
2 stops34h 30mMultiple Airlines
Deal found 29/4C$ 1,909
Thu 12/61:50 a.m.YYZ - USM
1 stop29h 45mCathay Pacific
Fri 20/610:55 a.m.USM - YYZ
1 stop22h 15mCathay Pacific
Deal found 29/4C$ 2,610
Tue 1/71:45 a.m.YYZ - USM
2 stops26h 25mEVA Air
Sat 12/77:15 p.m.USM - YYZ
2 stops37h 20mEVA Air
Deal found 29/4C$ 3,239

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 30 April 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 21/5

7:55 p.m.-5:05 p.m.

2 stops34h 10m

Ko Samui

Wed 28/5

6:25 p.m.-5:55 p.m.

2 stops34h 30m

C$ 1,909

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 12/6

1:50 a.m.-6:35 p.m.

1 stop29h 45m

Ko Samui

Fri 20/6

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

1 stop22h 15m

C$ 2,610

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 1/7

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

2 stops26h 25m

Ko Samui

Sat 12/7

7:15 p.m.-9:35 p.m.

2 stops37h 20m

C$ 3,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 30 hours 20 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.

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Ko Samui. Price data was last updated on 30 March 2025.

Users looking for the lowest fares to Ko Samui should consider flying on Saturday 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 Ko Samui?

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

EVA Air

EVA Air

From C$ 1,419

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).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko 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 Ko Samui. Reviews last updated 30 April 2025.
EVA Air
8.4
Very good
1,186 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Cathay Pacific
7.5
Good
852 reviews
EVA Air
8.4
Very good
1,186 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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$ 91, while round-trip flights cost around C$ 183.

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

    A round-trip flight to Ko Samui will typically cost around C$ 257, however they can be found for as little as C$ 132.

  • 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 (26 hours 30 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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