Find flights
Travel Guide

C$ 797+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
25 Feb — 4 Mar1
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 26 January 2026.

Mon 7/91:45 p.m.
YYZ
-
USM
2 stops36h 00m
Multiple Airlines
Fri 6/113:50 p.m.
USM
-
YYZ
2 stops39h 35m
Multiple Airlines
Deal found 24/1C$ 1,452
Fri 10/46:45 p.m.
YYZ
-
USM
2 stops26h 00m
Multiple Airlines
Sat 25/47:45 p.m.
USM
-
YYZ
2 stops30h 53m
Multiple Airlines
Deal found 24/1C$ 1,560
Fri 6/21:10 p.m.
YYZ
-
USM
2 stops54h 25m
Multiple Airlines
Mon 16/27:45 p.m.
USM
-
YYZ
2 stops32h 24m
Multiple Airlines
Deal found 24/1C$ 1,657
Thu 8/103:10 p.m.
YYZ
-
USM
2 stops29h 25m
Etihad Airways
Mon 12/108:35 p.m.
USM
-
YYZ
2 stops47h 25m
Etihad Airways
Deal found 23/1C$ 2,130
Thu 8/102:55 p.m.
YYZ
-
USM
2 stops55h 25m
Emirates
Mon 12/102:00 p.m.
USM
-
YYZ
2 stops54h 30m
Emirates
Deal found 25/1C$ 2,143
Sat 14/210:35 p.m.
YYZ
-
USM
2 stops56h 15m
Multiple Airlines
Thu 26/26:05 p.m.
USM
-
YYZ
2 stops34h 04m
Multiple Airlines
Deal found 24/1C$ 2,341
Fri 13/32:30 p.m.
YYZ
-
USM
2 stops30h 15m
Etihad Airways
Sun 22/35:05 p.m.
USM
-
YYZ
2 stops26h 45m
Etihad Airways
Deal found 25/1C$ 2,378
Thu 12/22:45 p.m.
YYZ
-
USM
2 stops29h 25m
Multiple Airlines
Sun 15/28:40 p.m.
USM
-
YYZ
2 stops48h 40m
Multiple Airlines
Deal found 26/1C$ 2,505
Wed 11/26:15 p.m.
YTZ
-
USM
2 stops38h 50m
Multiple Airlines
Sat 14/28:15 a.m.
USM
-
YTZ
2 stops41h 05m
Multiple Airlines
Deal found 26/1C$ 4,985
Wed 11/26:15 p.m.
YTZ
-
USM
2 stops38h 50m
Multiple Airlines
Mon 16/24:25 p.m.
USM
-
YTZ
2 stops31h 15m
Multiple Airlines
Deal found 26/1C$ 6,711

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 26 January 2026.

Round-trip from

C$ 1,560

One-way from

C$ 797
10/4-25/4
  • 10/4-25/4
  • 4 total stops
  • 56h 53m total
  • Toronto to Ko Samui
Search Deals
8/3
  • 8/3
  • 3 total stops
  • 58h 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 26 January 2026.
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

Fri 10/4

6:45 p.m.-7:45 a.m.

2 stops26h 00m

Ko Samui

Sat 25/4

7:45 p.m.-3:38 p.m.

2 stops30h 53m

C$ 1,560

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 23/2

12:40 p.m.-8:00 a.m.

3 stops31h 20m

Ko Samui

Mon 2/3

8:15 a.m.-7:50 a.m.

3 stops35h 35m

C$ 2,248

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

10:35 p.m.-6:50 p.m.

2 stops56h 15m

Ko Samui

Thu 26/2

6:05 p.m.-4:09 p.m.

2 stops34h 04m

C$ 2,341

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 13/3

2:30 p.m.-7:45 a.m.

2 stops30h 15m

Ko Samui

Sun 22/3

5:05 p.m.-8:50 a.m.

2 stops26h 45m

C$ 2,378

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 5/2

12:15 a.m.-6:55 p.m.

2 stops30h 40m

Ko Samui

Mon 16/2

8:30 a.m.-6:40 a.m.

3 stops34h 10m

C$ 2,578

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 10/2

2:45 p.m.-6:15 p.m.

2 stops39h 30m

Ko Samui

Tue 17/2

8:15 a.m.-9:20 a.m.

2 stops37h 05m

C$ 2,710

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/3

2:30 p.m.-7:45 a.m.

2 stops30h 15m

Ko Samui

Sat 21/3

5:05 p.m.-8:50 a.m.

2 stops26h 45m

C$ 2,763

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 13/3

7:00 a.m.-8:10 a.m.

3 stops38h 10m

Ko Samui

Sun 22/3

7:35 p.m.-3:40 p.m.

2 stops31h 05m

C$ 2,772

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 9/2

12:15 a.m.-5:00 p.m.

2 stops28h 45m

Ko Samui

Mon 16/2

7:15 a.m.-8:20 p.m.

2 stops25h 05m

C$ 2,802

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Wed 11/2

6:15 p.m.-9:05 p.m.

2 stops38h 50m

Ko Samui

Sat 14/2

8:15 a.m.-1:20 p.m.

2 stops41h 05m

C$ 4,985

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 22 results
1
2
3

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 26 hours 10 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$ 1,874

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$ 106, while round-trip flights cost around C$ 258.

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

    A round-trip flight to Ko Samui will typically cost around C$ 460, however they can be found for as little as C$ 258.

  • 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 0 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find the best flight deals to Ko Samui

Some of the lowest fares we’ve come across for flights to Ko Samui.
Flights from Suvarnabhumi to Ko Samui

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ko Samui?

Cheapflights helps you search for flights to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Ko Samui for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Ko Samui with no change fees?

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.

Can Cheapflights notify me if prices for flights to Ko Samui become cheaper?

Yes! Start tracking prices for Ko Samui flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.