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Cheap flights from Toronto to Ko Samui from C$ 1,657

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
11 Jul — 18 Jul1
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 11 June 2026.

Mon 7/91:50 p.m.
YYZ
-
USM
2 stops30h 20m
Multiple Airlines
Thu 10/99:00 p.m.
USM
-
YYZ
2 stops30h 10m
Multiple Airlines
Deal found 9/6C$ 1,657
Sun 13/91:25 p.m.
YYZ
-
USM
2 stops32h 10m
Multiple Airlines
Wed 30/97:00 p.m.
USM
-
YYZ
2 stops35h 15m
Multiple Airlines
Deal found 6/6C$ 1,826
Sat 11/77:55 p.m.
YYZ
-
USM
2 stops25h 20m
Multiple Airlines
Sat 18/76:55 p.m.
USM
-
YYZ
2 stops33h 45m
Multiple Airlines
Deal found 9/6C$ 1,844
Fri 4/93:45 p.m.
YYZ
-
USM
2 stops28h 25m
Multiple Airlines
Sat 19/97:50 a.m.
USM
-
YYZ
2 stops41h 10m
Multiple Airlines
Deal found 6/6C$ 1,975
Thu 31/128:10 p.m.
YYZ
-
USM
2 stops36h 05m
Multiple Airlines
Sat 30/17:10 p.m.
USM
-
YYZ
2 stops33h 35m
Multiple Airlines
Deal found 6/6C$ 2,060
Sun 13/96:35 p.m.
YYZ
-
USM
3 stops31h 10m
China Airlines
Wed 30/92:35 p.m.
USM
-
YYZ
3 stops26h 35m
China Airlines
Deal found 6/6C$ 2,495
Mon 7/910:35 a.m.
YYZ
-
USM
1 stop22h 05m
Cathay Pacific
Thu 10/911:55 a.m.
USM
-
YYZ
1 stop21h 15m
Cathay Pacific
Deal found 9/6C$ 2,560

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 11 June 2026.

Round-trip from

C$ 1,657
7/9-10/9
  • 7/9-10/9
  • 4 total stops
  • 60h 30m 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 11 June 2026.
Use the filters below to find and compare flights from Toronto to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 7/9

1:50 p.m.-7:10 a.m.

2 stops30h 20m

Ko Samui

Thu 10/9

9:00 p.m.-4:10 p.m.

2 stops30h 10m

C$ 1,657

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Fri 4/9

3:45 p.m.-7:10 a.m.

2 stops28h 25m

Ko Samui

Sat 19/9

7:50 a.m.-2:00 p.m.

2 stops41h 10m

C$ 1,975

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 12/9

1:50 a.m.-7:40 p.m.

1 stop30h 50m

Ko Samui

Wed 30/9

6:00 a.m.-5:45 a.m.

2 stops34h 45m

C$ 2,670

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 30/6

7:55 p.m.-3:10 p.m.

2 stops32h 15m

Ko Samui

Sat 11/7

7:50 p.m.-5:55 p.m.

2 stops33h 05m

C$ 2,925

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 6/7

9:00 p.m.-9:10 p.m.

2 stops61h 10m

Ko Samui

Tue 4/8

7:45 p.m.-3:00 p.m.

2 stops54h 15m

C$ 2,956

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 9/7

9:00 p.m.-9:10 p.m.

2 stops61h 10m

Ko Samui

Tue 4/8

7:45 p.m.-3:00 p.m.

2 stops54h 15m

C$ 2,956
Quickest round-trip

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 8/7

1:45 a.m.-3:20 p.m.

2 stops26h 35m

Ko Samui

Mon 3/8

8:45 a.m.-9:35 p.m.

2 stops23h 50m

C$ 3,015

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 4/7

9:00 p.m.-10:45 a.m.

2 stops26h 45m

Ko Samui

Sat 1/8

7:50 p.m.-3:00 p.m.

2 stops30h 10m

C$ 3,196

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 13/9

9:00 p.m.-5:05 p.m.

3 stops33h 05m

Ko Samui

Wed 30/9

3:20 p.m.-3:00 p.m.

3 stops34h 40m

C$ 3,426

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 9/7

3:45 p.m.-7:40 p.m.

1 stop40h 55m

Ko Samui

Thu 6/8

11:55 a.m.-2:00 p.m.

1 stop37h 05m

C$ 3,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 15 resultsSorted by cheapest first
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

How often are flights from Toronto to Ko Samui delayed?

About 26% 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?

Saturday 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, Porter Airlines has had the lowest number of delays on this route, with just 21% 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 0 different airlines.

  • 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 50m. Fly via Cathay Pacific to get the fastest option. Toronto and Ko Samui are separated by a distance of 14087 km.

  • 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

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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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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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