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Cheap flights from Toronto to Ko Samui from C$ 1,590

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — USM
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 1,590
30/8-6/9
  • 30/8-6/9
  • 4 total stops
  • 91h 36m 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 31 July 2025.

Sat 1/1110:35 p.m.YYZ - USM
2 stops57h 15mMultiple Airlines
Wed 1/47:25 p.m.USM - YYZ
2 stops35h 33mMultiple Airlines
Deal found 29/7C$ 1,724
Thu 30/1010:15 p.m.YYZ - USM
2 stops35h 50mAir France
Mon 3/118:30 a.m.USM - YYZ
2 stops43h 55mAir France
Deal found 29/7C$ 2,077
Thu 30/102:55 p.m.YYZ - USM
2 stops54h 15mEmirates
Mon 3/113:35 p.m.USM - YYZ
2 stops29h 15mEmirates
Deal found 30/7C$ 2,134
Fri 31/101:20 a.m.YYZ - USM
2 stops27h 20mEVA Air
Wed 5/119:20 a.m.USM - YYZ
2 stops23h 00mEVA Air
Deal found 31/7C$ 2,170
Tue 29/71:50 a.m.YYZ - USM
1 stop29h 45mCathay Pacific
Wed 6/810:55 a.m.USM - YYZ
1 stop29h 50mCathay Pacific
Deal found 29/7C$ 3,364
Fri 19/122:30 p.m.YYZ - USM
2 stops39h 45mEtihad Airways
Sat 27/128:20 p.m.USM - YYZ
2 stops47h 55mEtihad Airways
Deal found 29/7C$ 8,656
Fri 19/126:30 p.m.YYZ - USM
3 stops32h 25mSWISS
Sat 27/129:20 a.m.USM - YYZ
2 stops43h 00mSWISS
Deal found 29/7C$ 21,131

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 31 July 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 1/11

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

2 stops57h 15m

Ko Samui

Wed 1/4

7:25 p.m.-7:58 p.m.

2 stops35h 33m

C$ 1,724

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 30/10

10:15 p.m.-9:05 p.m.

2 stops35h 50m

Ko Samui

Mon 3/11

8:30 a.m.-4:25 p.m.

2 stops43h 55m

C$ 2,077

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 30/10

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

2 stops54h 15m

Ko Samui

Mon 3/11

3:35 p.m.-8:50 a.m.

2 stops29h 15m

C$ 2,134

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 31/10

1:20 a.m.-3:40 p.m.

2 stops27h 20m

Ko Samui

Wed 5/11

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

2 stops23h 00m

C$ 2,170

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 20/1

2:30 p.m.-1:50 p.m.

2 stops35h 20m

Ko Samui

Mon 2/2

8:30 p.m.-8:15 a.m.

2 stops47h 45m

C$ 5,731

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 19/12

6:30 p.m.-2:55 p.m.

3 stops32h 25m

Ko Samui

Sat 27/12

9:20 a.m.-4:20 p.m.

2 stops43h 00m

C$ 21,131

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 12/9

4:35 p.m.-12:45 p.m.

2 stops33h 10m

C$ 2,326

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 18/9

12:15 p.m.-7:20 a.m.

2 stops32h 05m

C$ 2,448

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 12/9

2:55 p.m.-11:40 a.m.

2 stops57h 45m

C$ 3,173

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 5/9

1:40 p.m.-10:45 a.m.

2 stops34h 05m

C$ 3,684

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 31 July 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 31 July 2025.
Read reviews from past customers who have flown EVA Air,Cathay Pacific, andEtihad Airways 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
1,220 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
949 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Etihad Airways
7.4
Good
1,230 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Philippine Airlines
7.2
Good
894 reviews
EVA Air
8.4
Very good
1,220 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines flying from Toronto to Ko Samui round-trip?

    Cheapflights users have booked flights from Toronto to Ko Samui round-trip from C$ 2,297. Another airline that can offer you cheap pricing is Cathay Pacific.

  • What are the cheapest airlines to fly from Toronto to Ko Samui one-way?

    C$ 3,684 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Philippine Airlines and Cathay Pacific, with prices starting from C$ 4,145 and C$ 4,413, respectively.

  • 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,964AverageC$ 2,085FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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How does Cheapflights help users find flights from Toronto to Ko Samui?

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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.

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