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Cheap flights from Toronto to Ko Samui from C$ 1,681

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 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — USM
15 Jan — 22 Jan1
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 16 December 2025.

Thu 25/123:10 p.m.YYZ - USM
2 stops28h 40mMultiple Airlines
Thu 8/18:30 a.m.USM - YYZ
3 stops34h 10mMultiple Airlines
Deal found 14/12C$ 3,427
Sun 21/1212:35 a.m.YYZ - USM
2 stops32h 45mMultiple Airlines
Thu 8/18:30 a.m.USM - YYZ
3 stops35h 20mMultiple Airlines
Deal found 14/12C$ 3,738
Sun 21/1212:35 a.m.YYZ - USM
2 stops31h 50mMultiple Airlines
Tue 6/17:35 p.m.USM - YYZ
3 stops47h 05mMultiple Airlines
Deal found 14/12C$ 3,987

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 16 December 2025.

Round-trip from

C$ 1,681
14/2-26/2
  • 14/2-26/2
  • 4 total stops
  • 90h 59m 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 16 December 2025.
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 14/2

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

2 stops56h 15m

Ko Samui

Thu 26/2

6:05 p.m.-4:49 p.m.

2 stops34h 44m

C$ 1,681

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 22/2

6:45 p.m.-10:35 a.m.

2 stops27h 50m

Ko Samui

Sun 1/3

6:30 p.m.-7:25 p.m.

2 stops36h 55m

C$ 1,684

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 2/5

1:45 a.m.-7:10 a.m.

2 stops42h 25m

Ko Samui

Thu 7/5

7:50 a.m.-9:35 p.m.

2 stops24h 45m

C$ 1,989

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 23/1

12:15 a.m.-3:40 p.m.

2 stops27h 25m

Ko Samui

Sat 21/2

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

2 stops48h 05m

C$ 2,177

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 14/2

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

2 stops25h 10m

Ko Samui

Sat 21/2

7:30 p.m.-2:40 p.m.

2 stops55h 10m

C$ 2,225

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 31/1

10:35 p.m.-7:30 a.m.

3 stops44h 55m

Ko Samui

Sat 28/2

7:35 p.m.-6:40 a.m.

3 stops47h 05m

C$ 2,288

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 21/2

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

1 stop31h 00m

Ko Samui

Sun 1/3

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

1 stop36h 35m

C$ 2,667

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

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 16 December 2025.

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 10% of flights being delayed.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 16 December 2025.
Read reviews from past customers who have flown EVA Air from Toronto to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,297 reviews
Check prices

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,297 reviews
EVA Air
8.5
Very good
1,297 reviews
Check prices

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 42h 25m. Fly via EVA Air 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$ 1,884.

  • 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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Toronto Island to Ko Samui flights

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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,884AverageC$ 2,074FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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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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