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Cheap flights from Toronto to Ko Samui from C$ 815

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — USM
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 October 2025.

Round-trip from

C$ 1,630

One-way from

C$ 815
30/1-5/2
  • 30/1-5/2
  • 5 total stops
  • 63h 27m total
  • Toronto to Ko Samui
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 56h 55m total
  • Toronto to Ko Samui
Search Deals

Find 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 30 October 2025.

Wed 19/1112:15 a.m.YYZ - USM
2 stops26h 40mEVA Air
Mon 24/118:45 p.m.USM - YYZ
2 stops35h 35mEVA Air
Deal found 27/10C$ 2,217
Thu 20/116:45 p.m.YYZ - USM
2 stops38h 20mAir France
Mon 24/1111:40 a.m.USM - YYZ
2 stops40h 45mAir France
Deal found 27/10C$ 2,409
Wed 19/1112:35 a.m.YYZ - USM
1 stop31h 00mCathay Pacific
Mon 24/1111:40 a.m.USM - YYZ
1 stop21h 20mCathay Pacific
Deal found 27/10C$ 2,562

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 30 October 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

Fri 30/1

6:45 p.m.-6:15 p.m.

2 stops35h 30m

Ko Samui

Thu 5/2

9:10 p.m.-4:59 p.m.

2 stops31h 49m

C$ 1,641

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 13/2

12:15 a.m.-3:35 p.m.

2 stops27h 20m

Ko Samui

Thu 26/2

7:35 p.m.-8:20 p.m.

2 stops36h 45m

C$ 2,208

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 19/11

12:15 a.m.-2:55 p.m.

2 stops26h 40m

Ko Samui

Mon 24/11

8:45 p.m.-8:20 p.m.

2 stops35h 35m

C$ 2,217

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 20/11

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

2 stops38h 20m

Ko Samui

Mon 24/11

11:40 a.m.-4:25 p.m.

2 stops40h 45m

C$ 2,410

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 15/1

1:30 p.m.-10:25 a.m.

3 stops56h 55m

C$ 815

TorontoKo Samui

YTZ - USM

YTZUSM

Toronto Island

Thu 15/1

6:55 p.m.-7:10 a.m.

3 stops48h 15m

C$ 991

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 21/12

1:05 p.m.-5:50 p.m.

2 stops40h 45m

C$ 2,068

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 20/12

7:55 a.m.-7:30 a.m.

3 stops59h 35m

C$ 2,278

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 3/11

2:45 p.m.-7:10 a.m.

2 stops28h 25m

C$ 4,009

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 5/11

2:45 p.m.-6:15 p.m.

2 stops39h 30m

C$ 4,798

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 12 results
1
2

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 30 October 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.

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 30 October 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
8.4
Very good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,268 reviews
EVA Air
8.4
Very good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 27h 20m. 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$ 1,911.

  • 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,911AverageC$ 2,093FlexibilityNo 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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