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

Departing from Region of Ontario to Ko Samui will take you 27h 20m. The distance from Region of Ontario to Ko Samui is about 14087 km.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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.

What is the cheapest time of day to fly from ON to USM?

When flying from Region of Ontario to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

C$ 955+ Cheap Flights from Ontario to Ko Samui

Cheap flight deals from Ontario to Ko Samui

Enter your travel dates to find the best prices.

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Best

Last-minute

One-way

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 28 October 2026.

Tue 24/115:40 p.m. -

2 stops36h 35m

Tue 1/127:55 a.m. -

3 stops33h 50m

Deal found 25/10C$ 1,978

Sat 21/118:20 p.m. -

2 stops56h 50m

Thu 3/127:50 p.m. -

2 stops34h 05m

Deal found 24/10C$ 2,033

Sat 21/118:20 p.m. -

2 stops60h 45m

Sat 28/119:30 p.m. -

3 stops70h 10m

Deal found 27/10C$ 2,096

Fri 4/128:20 a.m. -

3 stops35h 15m

Fri 18/1212:50 p.m. -

2 stops35h 20m

Deal found 24/10C$ 2,118

Fri 20/1112:15 a.m. -

2 stops27h 20m

Thu 3/127:15 a.m. -

2 stops25h 05m

Deal found 27/10C$ 2,191

Fri 20/1112:15 a.m. -

2 stops27h 20m

Fri 4/128:30 a.m. -

2 stops23h 50m

Deal found 27/10C$ 2,222

Wed 28/109:10 p.m. -

3 stops27h 45m

Wed 4/1110:20 a.m. -

2 stops34h 30m

Deal found 27/10C$ 2,232

Sat 21/115:40 p.m. -

2 stops34h 00m

Fri 4/128:15 a.m. -

3 stops35h 35m

Deal found 27/10C$ 2,245

Find flight deals from Ontario to Ko Samui

Round-trip from	C$ 1,829
One-way from	C$ 955

12/1-26/1
4 total stops
68h 50m total
Ontario to Ko Samui

Search Deals

12/2-31/12
3 total stops
56h 35m total
Ontario to Ko Samui

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaKo Samui

YOW Ottawa - USM Ko Samui

YOWUSM

Ottawa

Fri 12/2

10:35 a.m.-7:10 a.m.

3 stops56h 35m

Ko Samui

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 955

OttawaKo Samui

YOW Ottawa - USM Ko Samui

YOWUSM

Ottawa

Wed 9/12

8:40 a.m.-5:10 p.m.

3 stops44h 30m

Ko Samui

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,193

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 1/1

5:20 p.m.-12:20 p.m.

3 stops55h 00m

Ko Samui

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,235

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Tue 24/11

12:40 p.m.-8:10 a.m.

2 stops31h 30m

Ko Samui

Tue 1/12

8:30 p.m.-4:45 p.m.

2 stops32h 15m

C$ 2,020

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 20/11

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

2 stops27h 20m

Ko Samui

Fri 4/12

8:30 a.m.-8:20 p.m.

2 stops23h 50m

C$ 2,222

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Sat 21/11

5:40 p.m.-3:40 p.m.

2 stops34h 00m

Ko Samui

Fri 4/12

8:15 a.m.-7:50 a.m.

3 stops35h 35m

C$ 2,245

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Sat 21/11

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

2 stops27h 20m

Ko Samui

Thu 26/11

7:55 a.m.-8:20 p.m.

2 stops24h 25m

C$ 2,312

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 20/11

12:15 a.m.-7:50 p.m.

2 stops31h 35m

Ko Samui

Thu 3/12

10:00 a.m.-7:40 a.m.

3 stops33h 40m

C$ 2,444

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Sat 21/11

2:15 p.m.-7:35 p.m.

1 stop41h 20m

Ko Samui

Thu 3/12

11:40 a.m.-8:55 p.m.

1 stop21h 15m

C$ 2,471

TorontoKo Samui

YYZ Toronto Pearson Intl - USM Ko Samui

YYZUSM

Toronto Pearson Intl

Fri 1/1

2:15 p.m.-7:35 p.m.

1 stop41h 20m

Ko Samui

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 2,526

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 17 resultsSorted by cheapest first

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.

YYZ-USM

YOW-USM

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

CAON-USM

YYZ-USM

YOW-USM

No data available for this route at this time. Please check back soon.

Related info for your journey

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 27h 20m. The distance from Region of Ontario to Ko Samui is about 14087 km.
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.

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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?

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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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Cheap flights from Ontario to Ko Samui from C$ 955

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Ko Samui

Cheapest flights from Ontario to Ko SamuiExplore 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 28 October 2026.

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 28 October 2026.

Best flights from Ontario to Ko SamuiDiscover carefully curated flight deals from Ontario to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Discover carefully curated flight deals from Ontario to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Last-minute flights from Ontario to Ko SamuiDiscover last-minute flight deals from Ontario to Ko Samui. Data last updated 28 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ko Samui. Data last updated 28 October 2026 and is based on user searches.

One-way flights from Ontario to Ko SamuiSearch for one-way flight options from Ontario to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Search for one-way flight options from Ontario to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

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Best time to book a flight from Ontario to Ko Samui

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Related info for your journey

What airport do you fly into for flights to Ko Samui from Ontario?

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

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

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

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

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

Travelling to a place near Ko Samui?

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Alternative routes for Ontario to Ko Samui

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Complete your trip

Complete your trip to Ko Samui by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Thailand

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Search flights from Ontario to Ko Samui by cabin class

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Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 October 2026.

Ontario and Ko Samui flights

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

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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 28 October 2026.

Best flights from Ontario to Ko Samui
Discover carefully curated flight deals from Ontario to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Last-minute flights from Ontario to Ko Samui
Discover last-minute flight deals from Ontario to Ko Samui. Data last updated 28 October 2026 and is based on user searches.

One-way flights from Ontario to Ko Samui
Search for one-way flight options from Ontario to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.