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Cheap flights from Ontario to Koh Samui from C$ 1,133

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — USM
28 Feb — 7 Mar1
1 adult

Cheap flight deals from Ontario to Koh Samui

Keep the following information in mind while searching for Ontario to Koh Samui flight deals. Data was last updated 23 February 2025.

Round-trip from

C$ 1,698

One-way from

C$ 1,160
25/2-18/3
  • 25/2-18/3
  • 4 total stops
  • 62h 23m total
  • Ontario to Koh Samui
Search Deals
7/4
  • 7/4
  • 3 total stops
  • 38h 35m total
  • Ontario to Koh Samui
Search Deals

Find flight deals from Ontario to Koh Samui

Cheapest flights from Ontario to Koh Samui
Explore the most affordable flight options available from Ontario to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Sun 7/94:45 p.m.YUL - USM
2 stops33h 25mMultiple Airlines
Fri 3/1010:55 a.m.USM - YUL
2 stops31h 15mMultiple Airlines
Deal found 20/2C$ 1,600
Mon 17/36:40 p.m.YYZ - USM
2 stops26h 30mMultiple Airlines
Tue 1/47:00 p.m.USM - YYZ
2 stops35h 30mMultiple Airlines
Deal found 22/2C$ 1,763
Fri 9/57:00 p.m.YUL - USM
2 stops39h 10mAir France
Mon 26/58:45 a.m.USM - YUL
2 stops41h 15mAir France
Deal found 20/2C$ 1,883
Wed 3/96:05 p.m.YUL - USM
2 stops40h 05mLufthansa
Tue 7/104:25 p.m.USM - YUL
2 stops34h 35mLufthansa
Deal found 20/2C$ 1,978
Sun 7/99:35 p.m.YUL - USM
2 stops26h 30mQatar Airways
Fri 3/105:25 p.m.USM - YUL
2 stops32h 20mQatar Airways
Deal found 20/2C$ 2,129
Mon 7/41:45 a.m.YYZ - USM
2 stops26h 25mEVA Air
Tue 15/48:00 a.m.USM - YYZ
2 stops24h 35mEVA Air
Deal found 21/2C$ 2,222
Mon 5/59:50 p.m.YUL - USM
3 stops28h 55mEVA Air
Mon 12/58:45 a.m.USM - YUL
3 stops26h 56mEVA Air
Deal found 22/2C$ 2,271
Sun 16/31:35 a.m.YYZ - USM
1 stop31h 00mCathay Pacific
Tue 1/410:55 a.m.USM - YYZ
1 stop29h 50mCathay Pacific
Deal found 22/2C$ 2,292
Sat 6/98:40 p.m.YUL - USM
3 stops53h 05mSWISS
Sat 4/104:25 p.m.USM - YUL
2 stops33h 35mSWISS
Deal found 20/2C$ 2,658
Thu 8/57:00 a.m.YUL - USM
2 stops24h 35mCathay Pacific
Mon 26/510:05 a.m.USM - YUL
3 stops49h 32mCathay Pacific
Deal found 20/2C$ 2,892
Thu 27/29:20 a.m.YUL - USM
2 stops44h 55mEmirates
Wed 12/31:25 p.m.USM - YUL
2 stops29h 35mEmirates
Deal found 20/2C$ 3,895
Tue 1/45:50 p.m.YYZ - USM
2 stops36h 00mLufthansa
Thu 17/47:15 p.m.USM - YYZ
2 stops30h 25mLufthansa
Deal found 22/2C$ 4,088

Find flights from Ontario to Koh Samui within your budget

Customize your flight search to find flights from Ontario to Koh 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 23 February 2025.

Fly from

Ontario

Fly to

Koh Samui

Route

Depart

Return

Price

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 17/3

6:40 p.m.-8:10 a.m.

2 stops26h 30m

Ko Samui

Tue 1/4

7:00 p.m.-7:30 p.m.

2 stops35h 30m

C$ 1,763

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

6:50 p.m.-1:45 p.m.

2 stops31h 55m

Ko Samui

Mon 12/5

10:55 a.m.-12:05 p.m.

2 stops36h 10m

C$ 1,976

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Mon 7/4

1:45 a.m.-3:10 p.m.

2 stops26h 25m

Ko Samui

Tue 15/4

8:00 a.m.-9:35 p.m.

2 stops24h 35m

C$ 2,222

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

9:50 p.m.-1:45 p.m.

3 stops28h 55m

Ko Samui

Mon 12/5

8:45 a.m.-12:41 a.m.

3 stops26h 56m

C$ 2,271

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 16/3

1:35 a.m.-7:35 p.m.

1 stop31h 00m

Ko Samui

Tue 1/4

10:55 a.m.-5:45 a.m.

1 stop29h 50m

C$ 2,292

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

9:30 p.m.-4:50 p.m.

3 stops32h 20m

Ko Samui

Mon 26/5

4:25 p.m.-4:00 p.m.

2 stops34h 35m

C$ 2,790

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

7:00 a.m.-6:35 p.m.

2 stops24h 35m

Ko Samui

Mon 26/5

10:05 a.m.-12:37 a.m.

3 stops49h 32m

C$ 2,892

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Tue 1/4

5:50 p.m.-4:50 p.m.

2 stops36h 00m

Ko Samui

Thu 17/4

7:15 p.m.-2:40 p.m.

2 stops30h 25m

C$ 4,088

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 16/3

12:40 a.m.-6:40 p.m.

3 stops31h 00m

Ko Samui

Tue 1/4

7:30 p.m.-1:50 p.m.

2 stops29h 20m

C$ 6,888

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sun 27/4

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

2 stops39h 00m

Ko Samui

Sun 11/5

8:00 a.m.-9:30 a.m.

2 stops36h 30m

C$ 22,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/2

Showing 1-10 of 11 results
1
2

Best time to book a flight from Ontario to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights from Ontario to Koh Samui

Get recent, data-driven insights about flights from Ontario to Koh Samui including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Ontario to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 February 2025.

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

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh 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).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated 23 February 2025.
Read through reviews of airlines operating flights from Ontario to Koh Samui, such as EVA Air, Emirates and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air
8.4
Very good
1,201 reviews
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates
8.1
Very good
3,275 reviews
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Austrian Airlines
7.5
Good
771 reviews
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Cathay Pacific
7.5
Good
822 reviews
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Lufthansa
6.7
Okay
6,987 reviews
EVA Air
8.4
Very good
1,201 reviews
Check prices

Entertainment

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Koh 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 Koh Samui from Ontario?

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

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Koh 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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Alternative routes for Ontario to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Koh Samui

Discover the top airline that operate flights from Ontario to Koh 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 23 February 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 2,222AverageC$ 2,604FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Ontario to Koh 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 Koh Samui?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Koh 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 Koh Samui with no change fees?

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

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

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

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