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Cheap flights from Toronto to Ko Samui from C$ 1,523

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.
YTO — USM
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Ko Samui
Explore the most affordable flight options available from Toronto to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 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 27/1C$ 1,523
Fri 10/44:40 p.m.
YYZ
-
USM
2 stops28h 05m
Multiple Airlines
Sat 25/47:45 p.m.
USM
-
YYZ
2 stops32h 17m
Multiple Airlines
Deal found 26/1C$ 1,564
Sat 6/68:00 p.m.
YYZ
-
USM
2 stops25h 35m
Multiple Airlines
Sat 20/69:00 p.m.
USM
-
YYZ
2 stops30h 30m
Multiple Airlines
Deal found 27/1C$ 1,642
Thu 8/103:10 p.m.
YYZ
-
USM
2 stops43h 25m
Etihad Airways
Mon 12/108:50 p.m.
USM
-
YYZ
2 stops47h 10m
Etihad Airways
Deal found 26/1C$ 1,815
Thu 8/102:55 p.m.
YYZ
-
USM
2 stops55h 25m
Emirates
Mon 12/108:45 a.m.
USM
-
YYZ
2 stops35h 45m
Emirates
Deal found 27/1C$ 2,138
Mon 23/212:40 p.m.
YYZ
-
USM
3 stops31h 20m
Multiple Airlines
Mon 2/36:05 p.m.
USM
-
YYZ
2 stops32h 20m
Multiple Airlines
Deal found 26/1C$ 2,165
Sat 14/210:35 p.m.
YYZ
-
USM
2 stops56h 15m
Multiple Airlines
Thu 26/27:45 p.m.
USM
-
YYZ
2 stops32h 24m
Multiple Airlines
Deal found 26/1C$ 2,347
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$ 4,975
Wed 11/26:15 p.m.
YTZ
-
USM
2 stops38h 50m
Multiple Airlines
Sun 15/24:25 p.m.
USM
-
YTZ
2 stops30h 10m
Multiple Airlines
Deal found 26/1C$ 6,698

Find flight deals from Toronto to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

C$ 1,564
10/4-25/4
  • 10/4-25/4
  • 4 total stops
  • 60h 22m total
  • Toronto to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Toronto to Ko Samui that are best for you.

Fly from

Toronto

Fly to

Ko Samui

Route

Depart

Return

Price

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 6/6

8:00 p.m.-8:35 a.m.

2 stops25h 35m

Ko Samui

Sat 20/6

9:00 p.m.-4:30 p.m.

2 stops30h 30m

C$ 1,642

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 8/3

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

2 stops30h 00m

Ko Samui

Sun 15/3

7:00 p.m.-8:50 a.m.

2 stops48h 50m

C$ 2,381

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

10:35 p.m.-5:10 p.m.

2 stops54h 35m

Ko Samui

Thu 26/2

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

2 stops34h 04m

C$ 2,437

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$ 2,705

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$ 2,757

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 9/2

12:15 a.m.-5:50 p.m.

2 stops29h 35m

Ko Samui

Sun 15/2

8:30 p.m.-8:20 p.m.

2 stops35h 50m

C$ 2,797

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$ 2,797

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 22/2

12:35 a.m.-4:25 p.m.

2 stops27h 50m

Ko Samui

Mon 2/3

11:40 a.m.-9:00 p.m.

1 stop21h 20m

C$ 2,896

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 13/3

12:35 a.m.-8:25 p.m.

2 stops32h 50m

Ko Samui

Sat 21/3

12:15 p.m.-7:50 a.m.

3 stops30h 35m

C$ 2,924

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 9/2

12:35 a.m.-7:35 p.m.

1 stop31h 00m

Ko Samui

Sun 15/2

11:40 a.m.-12:15 p.m.

1 stop36h 35m

C$ 2,950

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 14 results
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Best time to book a flight from Toronto to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Toronto 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 from Toronto to Ko Samui

What is the cheapest time of day to fly from YTO to USM?

Find hourly flight availability from Toronto to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 January 2026.

When flying from Toronto to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight in the morning.

What is the cheapest day to fly from Toronto 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.

Travelers seeking maximum savings on their Toronto to Ko Samui flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Toronto to Ko Samui delayed?

About 16% of weekly flights between Toronto and Ko Samui have experienced delays in the past year, with the average delay time being 116 minutes.

What is the most punctual flight time for Toronto to Ko Samui flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to Ko Samui flights?

Over the past year, Delta has had the lowest number of delays on this route, with just 11% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ko Samui from Toronto?

    Located just 3.3 km from the city centre, Ko Samui is the airport most travellers will use when flying to Ko Samui from Toronto. Booking flights from Toronto to Ko Samui (USM) should be relatively easy as there are 0 daily inbound flights from Toronto from 1 airline.

  • How long is the flight from Toronto to Ko Samui?

    There are many flights that can get you from Toronto to Ko Samui in 30h. Fly via Etihad Airways to get the fastest option. Toronto and Ko Samui are separated by a distance of 14087 km.

  • What is the cheapest airline to fly from Toronto to Ko Samui round-trip?

    Cheapflights users have booked flights from Toronto to Ko Samui round-trip from C$ 1,871.

  • Can I find deals for flights from Toronto to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Toronto to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Ko Samui.

  • Can I find deals for business class flights from Toronto to Ko Samui?

    Yes. Cheapflights offers flight deals from Toronto to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

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Alternative routes for Toronto to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Toronto to Ko Samui

Discover the top airline that operate flights from Toronto to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,871AverageC$ 2,059FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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 from Toronto to Ko Samui?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ko Samui from Toronto today with Cheapflights!

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

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

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

Certainly. Search results for flights to Ko Samui from Toronto shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Toronto to Ko Samui and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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