Find flights
Travel Guide

C$ 1,657+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
11 Jul — 18 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 11 June 2026.

Mon 7/91:50 p.m.
YYZ
-
USM
2 stops30h 20m
Multiple Airlines
Thu 10/99:00 p.m.
USM
-
YYZ
2 stops30h 10m
Multiple Airlines
Deal found 9/6C$ 1,657
Sun 13/91:25 p.m.
YYZ
-
USM
2 stops32h 10m
Multiple Airlines
Wed 30/97:00 p.m.
USM
-
YYZ
2 stops35h 15m
Multiple Airlines
Deal found 6/6C$ 1,826
Sat 11/77:55 p.m.
YYZ
-
USM
2 stops25h 20m
Multiple Airlines
Sat 18/76:55 p.m.
USM
-
YYZ
2 stops33h 45m
Multiple Airlines
Deal found 9/6C$ 1,844
Fri 4/93:45 p.m.
YYZ
-
USM
2 stops28h 25m
Multiple Airlines
Sat 19/97:50 a.m.
USM
-
YYZ
2 stops41h 10m
Multiple Airlines
Deal found 6/6C$ 1,975
Thu 31/128:10 p.m.
YYZ
-
USM
2 stops36h 05m
Multiple Airlines
Sat 30/17:10 p.m.
USM
-
YYZ
2 stops33h 35m
Multiple Airlines
Deal found 6/6C$ 2,060
Sun 13/96:35 p.m.
YYZ
-
USM
3 stops31h 10m
China Airlines
Wed 30/92:35 p.m.
USM
-
YYZ
3 stops26h 35m
China Airlines
Deal found 6/6C$ 2,495
Mon 7/910:35 a.m.
YYZ
-
USM
1 stop22h 05m
Cathay Pacific
Thu 10/911:55 a.m.
USM
-
YYZ
1 stop21h 15m
Cathay Pacific
Deal found 9/6C$ 2,560

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 11 June 2026.

Round-trip from

C$ 1,657

One-way from

C$ 1,295
7/9-10/9
  • 7/9-10/9
  • 4 total stops
  • 60h 30m total
  • Toronto to Ko Samui
Search Deals
21/7
  • 21/7
  • 3 total stops
  • 36h 00m 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 11 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

Mon 7/9

1:50 p.m.-7:10 a.m.

2 stops30h 20m

Ko Samui

Thu 10/9

9:00 p.m.-4:10 p.m.

2 stops30h 10m

C$ 1,657

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 4/9

3:45 p.m.-7:10 a.m.

2 stops28h 25m

Ko Samui

Sat 19/9

7:50 a.m.-2:00 p.m.

2 stops41h 10m

C$ 1,975

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 30/9

6:00 a.m.-5:45 a.m.

2 stops34h 45m

C$ 2,670

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 30/6

7:55 p.m.-3:10 p.m.

2 stops32h 15m

Ko Samui

Sat 11/7

7:50 p.m.-5:55 p.m.

2 stops33h 05m

C$ 2,925

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 6/7

9:00 p.m.-9:10 p.m.

2 stops61h 10m

Ko Samui

Tue 4/8

7:45 p.m.-3:00 p.m.

2 stops54h 15m

C$ 2,956

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 9/7

9:00 p.m.-9:10 p.m.

2 stops61h 10m

Ko Samui

Tue 4/8

7:45 p.m.-3:00 p.m.

2 stops54h 15m

C$ 2,956
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 8/7

1:45 a.m.-3:20 p.m.

2 stops26h 35m

Ko Samui

Mon 3/8

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

2 stops23h 50m

C$ 3,015

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 4/7

9:00 p.m.-10:45 a.m.

2 stops26h 45m

Ko Samui

Sat 1/8

7:50 p.m.-3:00 p.m.

2 stops30h 10m

C$ 3,196

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 13/9

9:00 p.m.-5:05 p.m.

3 stops33h 05m

Ko Samui

Wed 30/9

3:20 p.m.-3:00 p.m.

3 stops34h 40m

C$ 3,426

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 9/7

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

1 stop40h 55m

Ko Samui

Thu 6/8

11:55 a.m.-2:00 p.m.

1 stop37h 05m

C$ 3,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 15 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 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.

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$ 116, while round-trip flights cost around C$ 280.

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

    A round-trip flight to Ko Samui will typically cost around C$ 413, however they can be found for as little as C$ 280.

  • 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 (18 hours 55 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.