Find flights
Travel Guide

C$ 966+ Cheap flights to Ko Samui

— USM
9 Oct — 16 Oct1
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

Sun 15/111:15 p.m. -
3 stops33h 40m
Fri 27/117:00 a.m. -
3 stops36h 50m
Deal found 4/9C$ 1,937
Tue 1/122:30 p.m. -
2 stops39h 45m
Tue 22/129:30 p.m. -
2 stops53h 30m
Deal found 7/9C$ 1,961
Fri 6/115:40 p.m. -
2 stops27h 40m
Fri 22/19:20 a.m. -
2 stops41h 40m
Deal found 7/9C$ 1,978
Mon 30/115:40 p.m. -
2 stops27h 40m
Wed 23/127:45 p.m. -
2 stops31h 34m
Deal found 7/9C$ 2,064
Tue 1/125:40 p.m. -
2 stops29h 15m
Wed 23/126:05 p.m. -
2 stops33h 14m
Deal found 7/9C$ 2,097
Sat 21/1110:55 p.m. -
2 stops33h 30m
Sat 28/117:55 a.m. -
2 stops46h 25m
Deal found 4/9C$ 2,152

Find flight deals to Ko Samui

Round-trip from

C$ 1,696

One-way from

C$ 966
9/1-30/1
  • 9/1-30/1
  • 4 total stops
  • 58h 55m total
  • Toronto to Ko Samui
Search Deals
20/10-31/12
  • 20/10-31/12
  • 2 total stops
  • 30h 30m total
  • Toronto to Ko Samui
Search Deals

Cheapflights Fare Finder

 
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 Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Tue 20/10

1:40 p.m.-7:10 a.m.

2 stops30h 30m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 966

TorontoKo Samui

YTZ Toronto Island - USM Ko Samui

YTZUSM

Toronto Island

Wed 3/2

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

3 stops32h 35m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 1,066

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 23/10

8:00 a.m.-9:05 p.m.

2 stops50h 05m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 1,084

TorontoKo Samui

YTZ Toronto Island - USM Ko Samui

YTZUSM

Toronto Island

Fri 23/10

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

3 stops35h 20m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 1,199

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Thu 22/10

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

1 stop30h 50m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 1,805
Quickest round-trip

TorontoKo Samui

YTZ Toronto Island - USM Ko Samui

YTZUSM

Toronto Island

Wed 3/3

6:45 a.m.-9:05 p.m.

2 stops26h 20m

Ko Samui

Wed 31/12

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

Nonstop0h 00m

C$ 1,809

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 6/11

5:40 p.m.-9:20 a.m.

2 stops27h 40m

Ko Samui

Fri 22/1

9:20 a.m.-3:00 p.m.

2 stops41h 40m

C$ 1,978

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Sun 15/11

6:40 p.m.-10:55 a.m.

2 stops28h 15m

Ko Samui

Fri 27/11

6:05 p.m.-7:57 p.m.

2 stops37h 52m

C$ 2,036

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Sat 21/11

10:55 p.m.-3:20 p.m.

2 stops28h 25m

Ko Samui

Sat 28/11

7:10 p.m.-6:20 p.m.

2 stops35h 10m

C$ 2,160

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Tue 20/10

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

2 stops24h 25m

Ko Samui

Sun 25/10

8:20 p.m.-9:10 p.m.

2 stops35h 50m

C$ 2,261

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 21 resultsSorted by cheapest first
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

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 36 hours 47 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

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

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$ 313.

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

    A round-trip flight to Ko Samui will typically cost around C$ 428, however they can be found for as little as C$ 313.

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

    For those looking to save time traveling to Ko Samui, Montreal offers the quickest one-way flight (24 hours 45 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

Find the best flight deals to Ko Samui

Flights from Suvarnabhumi to Ko Samui

Fly with Cheapflights

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.