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Cheap flights from Ontario to Ko Samui from C$ 1,109

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — USM
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Ko Samui
Explore the most affordable flight options available from Ontario to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2026.

Tue 13/106:00 p.m.
YUL
-
USM
2 stops29h 10m
Multiple Airlines
Sat 31/107:45 p.m.
USM
-
YUL
2 stops33h 18m
Multiple Airlines
Deal found 30/4C$ 1,822
Tue 27/107:00 p.m.
YYZ
-
USM
2 stops35h 10m
Multiple Airlines
Thu 5/114:25 p.m.
USM
-
YYZ
2 stops35h 12m
Multiple Airlines
Deal found 27/4C$ 1,850
Sat 22/86:35 p.m.
YUL
-
USM
2 stops26h 40m
Multiple Airlines
Thu 10/97:45 p.m.
USM
-
YUL
2 stops32h 09m
Multiple Airlines
Deal found 29/4C$ 1,876
Wed 14/107:25 p.m.
YUL
-
USM
2 stops28h 20m
Multiple Airlines
Thu 29/106:05 p.m.
USM
-
YUL
2 stops33h 58m
Multiple Airlines
Deal found 30/4C$ 1,878
Tue 1/129:00 a.m.
YUL
-
USM
2 stops36h 20m
Multiple Airlines
Tue 22/128:30 a.m.
USM
-
YUL
2 stops43h 10m
Multiple Airlines
Deal found 26/4C$ 1,902
Wed 14/109:35 p.m.
YUL
-
USM
2 stops32h 00m
Multiple Airlines
Fri 30/104:35 p.m.
USM
-
YUL
2 stops33h 30m
Multiple Airlines
Deal found 30/4C$ 1,947
Sun 13/91:35 p.m.
YYZ
-
USM
2 stops30h 35m
Multiple Airlines
Sat 19/97:45 p.m.
USM
-
YYZ
2 stops31h 08m
Multiple Airlines
Deal found 27/4C$ 1,963
Tue 13/109:35 p.m.
YUL
-
USM
2 stops26h 30m
Multiple Airlines
Fri 30/109:10 p.m.
USM
-
YUL
2 stops28h 55m
Multiple Airlines
Deal found 30/4C$ 2,024
Mon 25/51:40 p.m.
YYZ
-
USM
2 stops30h 30m
Etihad Airways
Sun 31/512:10 p.m.
USM
-
YYZ
2 stops31h 45m
Etihad Airways
Deal found 28/4C$ 2,035
Mon 8/69:35 p.m.
YUL
-
USM
2 stops33h 10m
Multiple Airlines
Sat 27/68:45 a.m.
USM
-
YUL
2 stops41h 00m
Multiple Airlines
Deal found 29/4C$ 2,068
Sat 22/85:30 p.m.
YUL
-
USM
2 stops28h 05m
Multiple Airlines
Sat 5/99:15 a.m.
USM
-
YUL
2 stops39h 20m
Multiple Airlines
Deal found 30/4C$ 2,073
Wed 3/69:35 p.m.
YUL
-
USM
2 stops28h 10m
Multiple Airlines
Mon 22/68:50 p.m.
USM
-
YUL
2 stops28h 55m
Multiple Airlines
Deal found 26/4C$ 2,095

Find flight deals from Ontario to Ko Samui

Keep the following information in mind while searching for Ontario to Ko Samui flight deals. Data was last updated 1 May 2026.

Round-trip from

C$ 1,822

One-way from

C$ 1,109
13/10-29/10
  • 13/10-29/10
  • 4 total stops
  • 61h 28m total
  • Ontario to Ko Samui
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 45h 15m total
  • Ontario to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 1 May 2026.
Use the filters below to find and compare flights from Ontario 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

Wed 10/6

9:05 p.m.-5:45 p.m.

3 stops33h 40m

Ko Samui

Wed 17/6

7:15 p.m.-2:25 p.m.

3 stops30h 10m

C$ 2,154

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 17/9

2:55 p.m.-4:30 p.m.

2 stops38h 35m

Ko Samui

Mon 21/9

6:25 p.m.-9:30 a.m.

2 stops26h 05m

C$ 2,176

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

9:35 p.m.-2:45 p.m.

2 stops30h 10m

Ko Samui

Sat 27/6

6:00 a.m.-2:45 p.m.

2 stops43h 45m

C$ 2,193

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Wed 10/6

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

2 stops34h 05m

Ko Samui

Wed 17/6

2:35 p.m.-8:55 a.m.

2 stops29h 20m

C$ 2,213

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

9:35 p.m.-10:45 a.m.

2 stops26h 10m

Ko Samui

Mon 29/6

1:30 p.m.-2:45 p.m.

2 stops36h 15m

C$ 2,318

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

9:35 p.m.-10:45 a.m.

2 stops26h 10m

Ko Samui

Mon 29/6

1:30 p.m.-2:45 p.m.

2 stops36h 15m

C$ 2,318

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

9:35 p.m.-10:45 a.m.

2 stops26h 10m

Ko Samui

Fri 26/6

9:00 p.m.-2:45 p.m.

2 stops52h 45m

C$ 2,331

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

5:30 p.m.-3:45 p.m.

2 stops35h 15m

Ko Samui

Wed 22/7

4:25 p.m.-4:59 p.m.

2 stops35h 34m

C$ 2,555

MontrealKo Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:30 p.m.-1:45 p.m.

3 stops29h 15m

Ko Samui

Thu 10/9

8:45 a.m.-12:36 a.m.

3 stops26h 51m

C$ 2,581

TorontoKo Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 27/10

6:45 p.m.-12:35 p.m.

3 stops30h 50m

Ko Samui

Thu 5/11

12:15 p.m.-5:10 a.m.

3 stops28h 55m

C$ 2,698

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Ontario 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 Ontario to Ko Samui
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario?

    Ko Samui (USM) is the airport you will fly into if you book a flight from Ontario to Ko Samui. It is only a 3.3 km journey from Ko Samui (USM) to Ko Samui’s city centre.

  • How long is the flight from Region of Ontario to Ko Samui?

    Departing from Region of Ontario to Ko Samui will take you 30h 10m. The distance from Region of Ontario to Ko Samui is about 13858 km. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Ko Samui?

    The most popular route from Region of Ontario to Ko Samui is Toronto Pearson Intl - Ko Samui. You may also consider Montreal Pierre Elliott Trudeau Intl - Ko Samui or Toronto Island - Ko Samui.

  • Can I find deals for flights from Ontario to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Ontario to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ko Samui.

  • Can I find deals for business class flights from Ontario to Ko Samui?

    Yes. Cheapflights offers flight deals from Ontario 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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Alternative routes for Ontario to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Suvarnabhumi flights
Pearson Intl to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Suvarnabhumi flights
Pearson Intl to Don Mueang Intl flights
Abbotsford to Suvarnabhumi flights
Ottawa to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Don Mueang Intl flights
Vancouver Intl to Don Mueang Intl flights
Toronto Island to Suvarnabhumi flights
Calgary to Suvarnabhumi flights
Edmonton to Suvarnabhumi flights
Halifax to Suvarnabhumi flights
Calgary to Don Mueang Intl flights
Edmonton to Don Mueang Intl flights
Halifax to Don Mueang Intl flights
Québec City to Suvarnabhumi flights
Winnipeg to Suvarnabhumi flights
Pearson Intl to Phuket City flights
Vancouver Intl to Phuket City flights
St. John's to Suvarnabhumi flights
Victoria to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Phuket City flights
Hamilton to Suvarnabhumi flights
Québec City to Phuket City flights
Regina to Suvarnabhumi flights
Moncton to Suvarnabhumi flights
Kelowna to Suvarnabhumi flights
Moncton to Phuket City flights
Prince George to Suvarnabhumi flights
Pearson Intl to Chiang Mai flights
Vancouver Intl to Chiang Mai flights
Saskatoon to Suvarnabhumi flights
Winnipeg to Don Mueang Intl flights
Halifax to Chiang Mai flights
Vancouver Intl to Ko Samui flights
Québec City to Don Mueang Intl flights
Winnipeg to Phuket City flights
Pierre Elliott Trudeau Intl to Ko Samui flights
Sudbury to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Chiang Mai flights
Moncton to Don Mueang Intl flights
Fredericton to Suvarnabhumi flights
Edmonton to Chiang Mai flights
Calgary to Chiang Mai flights
Edmonton to Phuket City flights
Calgary to Phuket City flights
Pearson Intl to Ko Samui flights

Top airline flying from Ontario to Ko Samui

Discover the top airline that operate flights from Ontario 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 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,674AverageC$ 1,980FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ontario to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ko Samui?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Ko Samui by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Ko Samui with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Ko Samui flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Ko Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ko Samui from Ontario today and book when prices fit your budget.

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