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Cheap flights from Toronto to Ko Samui from C$ 1,615

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — USM
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 1,615
29/11-6/12
  • 29/11-6/12
  • 4 total stops
  • 63h 50m total
  • Toronto to Ko Samui
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Find flight deals from Toronto to Ko Samui

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 15 September 2025.

Sat 29/115:55 p.m.YYZ - USM
2 stops27h 25mMultiple Airlines
Sat 6/127:00 p.m.USM - YYZ
2 stops36h 25mMultiple Airlines
Deal found 12/9C$ 1,615
Tue 16/98:00 p.m.YYZ - USM
2 stops28h 10mMultiple Airlines
Tue 23/97:15 p.m.USM - YYZ
2 stops31h 45mMultiple Airlines
Deal found 15/9C$ 1,705
Fri 28/1112:30 p.m.YYZ - USM
2 stops31h 40mMultiple Airlines
Sat 6/127:30 p.m.USM - YYZ
2 stops33h 15mMultiple Airlines
Deal found 12/9C$ 1,709
Tue 9/122:30 p.m.YYZ - USM
2 stops32h 05mEtihad Airways
Tue 16/121:55 p.m.USM - YYZ
2 stops30h 20mEtihad Airways
Deal found 13/9C$ 1,866
Wed 29/101:20 a.m.YYZ - USM
2 stops32h 05mEVA Air
Mon 3/119:35 a.m.USM - YYZ
2 stops22h 45mEVA Air
Deal found 14/9C$ 1,927
Thu 27/1112:15 a.m.YYZ - USM
2 stops27h 20mEVA Air
Sat 6/128:30 a.m.USM - YYZ
2 stops23h 50mEVA Air
Deal found 12/9C$ 1,963
Sat 11/101:40 p.m.YYZ - USM
2 stops43h 45mMultiple Airlines
Sat 18/105:55 p.m.USM - YYZ
2 stops26h 05mMultiple Airlines
Deal found 13/9C$ 2,063

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 15 September 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 29/11

5:55 p.m.-9:20 a.m.

2 stops27h 25m

Ko Samui

Sat 6/12

3:35 p.m.-8:54 p.m.

3 stops41h 19m

C$ 1,626

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 28/11

12:30 p.m.-8:10 a.m.

2 stops31h 40m

Ko Samui

Sat 6/12

7:30 p.m.-4:45 p.m.

2 stops33h 15m

C$ 1,709

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 9/12

2:30 p.m.-10:35 a.m.

2 stops32h 05m

Ko Samui

Tue 16/12

1:55 p.m.-8:15 a.m.

2 stops30h 20m

C$ 1,866

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 29/10

1:20 a.m.-8:25 p.m.

2 stops32h 05m

Ko Samui

Mon 3/11

9:35 a.m.-8:20 p.m.

2 stops22h 45m

C$ 1,927

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 11/10

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

3 stops33h 45m

Ko Samui

Sat 18/10

7:15 p.m.-7:00 a.m.

3 stops46h 45m

C$ 2,212

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 30/10

9:10 p.m.-6:15 p.m.

2 stops34h 05m

Ko Samui

Mon 3/11

6:15 p.m.-2:40 p.m.

2 stops32h 25m

C$ 2,448

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 16/12

2:30 p.m.-7:10 a.m.

2 stops28h 40m

Ko Samui

Tue 17/3

7:00 p.m.-9:15 a.m.

2 stops49h 15m

C$ 2,503

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 5/1

2:30 p.m.-7:10 a.m.

2 stops28h 40m

Ko Samui

Sun 11/1

6:15 p.m.-8:15 a.m.

2 stops50h 00m

C$ 2,623

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 31/10

1:50 a.m.-3:35 p.m.

2 stops26h 45m

C$ 4,341

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 5/11

12:50 a.m.-3:35 p.m.

2 stops26h 45m

C$ 4,624

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 14 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 15 September 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 at noon, which can drop the price by up to 63% versus a flight in the afternoon.

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 Tuesday mornings when fares are most often at their lowest. Sunday afternoons 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 15 September 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
1,236 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 32h 05m. Fly via Etihad Airways or 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$ 1,961.

  • 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 Tao
Ko Pha Ngan

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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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,961AverageC$ 2,081FlexibilityNo 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?

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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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