C$ 716+ 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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
11 Apr — 18 Apr1
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 12 March 2026.

Wed 7/107:00 p.m.
YYZ
-
USM
2 stops28h 45m
Multiple Airlines
Tue 10/117:35 p.m.
USM
-
YYZ
2 stops32h 54m
Multiple Airlines
Deal found 9/3C$ 1,438
Mon 5/106:30 p.m.
YYZ
-
USM
2 stops27h 05m
Multiple Airlines
Mon 9/119:10 p.m.
USM
-
YYZ
2 stops31h 19m
Multiple Airlines
Deal found 9/3C$ 1,441
Mon 5/108:00 p.m.
YYZ
-
USM
2 stops25h 15m
Multiple Airlines
Tue 10/118:45 p.m.
USM
-
YYZ
2 stops30h 52m
Multiple Airlines
Deal found 9/3C$ 1,475
Mon 5/108:00 p.m.
YYZ
-
USM
2 stops28h 05m
Multiple Airlines
Wed 11/117:45 p.m.
USM
-
YYZ
2 stops32h 44m
Multiple Airlines
Deal found 9/3C$ 1,507
Sat 3/106:30 p.m.
YYZ
-
USM
2 stops27h 05m
Multiple Airlines
Sat 14/116:15 p.m.
USM
-
YYZ
2 stops37h 10m
Multiple Airlines
Deal found 9/3C$ 1,540
Mon 27/46:45 p.m.
YYZ
-
USM
2 stops26h 30m
Multiple Airlines
Wed 6/56:15 p.m.
USM
-
YYZ
2 stops31h 53m
Multiple Airlines
Deal found 8/3C$ 1,559
Mon 5/107:00 p.m.
YYZ
-
USM
2 stops26h 35m
Multiple Airlines
Sat 14/116:15 p.m.
USM
-
YYZ
2 stops37h 10m
Multiple Airlines
Deal found 9/3C$ 1,560
Sun 4/106:30 p.m.
YYZ
-
USM
2 stops31h 40m
Multiple Airlines
Tue 10/119:10 p.m.
USM
-
YYZ
2 stops30h 27m
Multiple Airlines
Deal found 9/3C$ 1,578
Tue 28/46:45 p.m.
YYZ
-
USM
2 stops26h 00m
Multiple Airlines
Wed 6/57:45 p.m.
USM
-
YYZ
2 stops31h 11m
Multiple Airlines
Deal found 8/3C$ 1,590
Mon 5/108:00 p.m.
YYZ
-
USM
2 stops25h 15m
Multiple Airlines
Sun 8/118:20 p.m.
USM
-
YYZ
2 stops32h 09m
Multiple Airlines
Deal found 9/3C$ 1,612
Wed 7/107:00 p.m.
YYZ
-
USM
2 stops26h 15m
Multiple Airlines
Sun 8/117:35 p.m.
USM
-
YYZ
2 stops32h 54m
Multiple Airlines
Deal found 9/3C$ 1,613
Sun 4/106:30 p.m.
YYZ
-
USM
2 stops36h 45m
Multiple Airlines
Sat 14/113:50 p.m.
USM
-
YYZ
2 stops39h 35m
Multiple Airlines
Deal found 9/3C$ 1,618

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 12 March 2026.

Round-trip from

C$ 1,559

One-way from

C$ 716
27/4-6/5
  • 27/4-6/5
  • 4 total stops
  • 58h 23m total
  • Toronto to Ko Samui
22/4
  • 22/4
  • 3 total stops
  • 49h 55m total
  • Toronto to Ko Samui

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 12 March 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

Sat 25/4

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

2 stops26h 25m

Ko Samui

Thu 7/5

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

2 stops35h 35m

C$ 1,861

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 16/5

7:30 p.m.-8:35 a.m.

2 stops26h 05m

Ko Samui

Fri 5/6

10:05 a.m.-6:10 a.m.

3 stops31h 05m

C$ 2,151

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 22/3

2:55 p.m.-8:10 a.m.

2 stops54h 15m

Ko Samui

Tue 31/3

7:50 p.m.-9:30 a.m.

2 stops48h 40m

C$ 2,382

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 23/3

2:30 p.m.-5:40 p.m.

2 stops40h 10m

Ko Samui

Wed 1/4

12:15 p.m.-8:55 a.m.

2 stops31h 40m

C$ 2,396

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 16/5

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

1 stop40h 55m

Ko Samui

Fri 5/6

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

1 stop37h 05m

C$ 2,536
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 27/4

10:35 a.m.-7:40 p.m.

1 stop22h 05m

Ko Samui

Fri 8/5

9:15 a.m.-10:10 p.m.

2 stops23h 55m

C$ 2,783

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/3

1:35 a.m.-7:35 p.m.

1 stop31h 00m

Ko Samui

Thu 16/4

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

1 stop37h 05m

C$ 2,957

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 15/3

6:15 p.m.-5:40 p.m.

2 stops36h 25m

Ko Samui

Thu 16/4

3:20 p.m.-9:22 p.m.

3 stops41h 02m

C$ 3,138

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 15/3

9:10 p.m.-10:35 a.m.

2 stops26h 25m

Ko Samui

Wed 15/4

3:25 p.m.-10:50 a.m.

3 stops30h 25m

C$ 3,142

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 27/4

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

1 stop30h 50m

Ko Samui

Fri 8/5

11:55 a.m.-5:45 a.m.

1 stop28h 50m

C$ 3,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 20 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 27 hours 0 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 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$ 97, while round-trip flights cost around C$ 198.

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

    A round-trip flight to Ko Samui will typically cost around C$ 484, however they can be found for as little as C$ 198.

  • 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 (20 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

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.

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.