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C$ 724+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
3 Aug — 10 Aug1
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 29 July 2025.

Round-trip from

C$ 2,265

One-way from

C$ 724
16/8-25/8
  • 16/8-25/8
  • 4 total stops
  • 70h 45m total
  • Toronto to Ko Samui
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11/9
  • 11/9
  • 3 total stops
  • 34h 20m 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 29 July 2025.

Wed 30/71:40 p.m.YYZ - USM
2 stops31h 35mMultiple Airlines
Wed 20/87:25 p.m.USM - YYZ
2 stops37h 25mMultiple Airlines
Deal found 26/7C$ 1,941
Thu 30/107:45 p.m.YYZ - USM
2 stops38h 20mAir France
Mon 3/118:30 a.m.USM - YYZ
2 stops43h 55mAir France
Deal found 27/7C$ 2,144
Fri 31/101:20 a.m.YYZ - USM
2 stops26h 35mEVA Air
Wed 5/1110:00 a.m.USM - YYZ
2 stops22h 20mEVA Air
Deal found 28/7C$ 2,147
Wed 30/710:35 a.m.YYZ - USM
1 stop21h 00mCathay Pacific
Wed 20/810:55 a.m.USM - YYZ
2 stops32h 25mCathay Pacific
Deal found 26/7C$ 3,316

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 29 July 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

Sat 16/8

1:45 a.m.-4:15 p.m.

2 stops27h 30m

Ko Samui

Mon 25/8

1:20 p.m.-9:35 p.m.

2 stops43h 15m

C$ 2,265

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 12/8

1:45 a.m.-4:35 p.m.

2 stops27h 50m

Ko Samui

Mon 25/8

9:00 p.m.-9:35 p.m.

2 stops35h 35m

C$ 2,457

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 5/8

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

1 stop29h 45m

Ko Samui

Sat 9/8

10:55 a.m.-8:20 a.m.

2 stops32h 25m

C$ 3,317

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 11/9

10:00 a.m.-7:20 a.m.

3 stops34h 20m

C$ 724

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 10/9

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

1 stop29h 45m

C$ 1,406

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 12/9

4:35 p.m.-12:45 p.m.

2 stops33h 10m

C$ 2,306

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 12/9

2:55 p.m.-11:40 a.m.

2 stops57h 45m

C$ 3,146

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Thu 11/9

12:25 p.m.-12:45 p.m.

3 stops37h 20m

C$ 3,286

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Fri 5/9

7:45 a.m.-8:15 a.m.

3 stops37h 30m

C$ 4,491

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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 40 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
Qatar Airways
Qatar Airways
From C$ 1,584

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 29 July 2025.
See what other customers who have flown with EVA Air,Emirates, andCathay Pacific to Thailand have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,221 reviews
Check prices

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,221 reviews
EVA Air
8.4
Very good
1,221 reviews
Check prices

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,295 reviews
EVA Air
8.4
Very good
1,221 reviews
Check prices

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
948 reviews
EVA Air
8.4
Very good
1,221 reviews
Check prices

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
SWISS
7.5
Good
1,683 reviews
EVA Air
8.4
Very good
1,221 reviews
Check prices

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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$ 94, while round-trip flights cost around C$ 107.

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

    A round-trip flight to Ko Samui will typically cost around C$ 207, however they can be found for as little as C$ 78.

  • 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 (23 hours 40 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 Tao
Ko Pha Ngan

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