Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Koh Samui from C$ 852

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — USM
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Ontario to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Koh 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 21 January 2025.

Round-trip from

C$ 1,593

One-way from

C$ 852
25/1-1/2
  • 25/1-1/2
  • 4 total stops
  • 86h 10m total
  • Ontario to Koh Samui
6/3
  • 6/3
  • 2 total stops
  • 30h 25m total
  • Ontario to Koh Samui

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 21 January 2025.

Tue 21/112:30 p.m.YYZ - USM
2 stops36h 35mMultiple Airlines
Tue 28/11:25 p.m.USM - YYZ
2 stops39h 15mMultiple Airlines
Deal found 20/1C$ 1,527
Sat 6/912:50 p.m.YUL - USM
2 stops31h 30mMultiple Airlines
Sat 4/107:25 p.m.USM - YUL
3 stops35h 52mMultiple Airlines
Deal found 20/1C$ 1,590
Wed 3/910:50 p.m.YUL - USM
2 stops35h 20mLufthansa
Tue 7/101:30 p.m.USM - YUL
2 stops37h 30mLufthansa
Deal found 20/1C$ 1,936
Sun 11/56:35 p.m.YUL - USM
2 stops36h 55mAustrian Airlines
Fri 23/57:30 p.m.USM - YUL
2 stops29h 20mAustrian Airlines
Deal found 20/1C$ 2,013
Tue 30/91:45 a.m.YYZ - USM
2 stops31h 45mEVA Air
Fri 31/1010:00 a.m.USM - YYZ
2 stops22h 10mEVA Air
Deal found 20/1C$ 2,021
Mon 5/54:40 p.m.YUL - USM
2 stops41h 30mSWISS
Wed 28/59:15 a.m.USM - YUL
2 stops40h 45mSWISS
Deal found 21/1C$ 2,031
Sun 7/99:35 p.m.YUL - USM
2 stops26h 10mQatar Airways
Fri 3/103:50 p.m.USM - YUL
2 stops33h 35mQatar Airways
Deal found 20/1C$ 2,106
Fri 5/910:15 a.m.YUL - USM
2 stops47h 55mEmirates
Wed 1/105:55 p.m.USM - YUL
2 stops49h 05mEmirates
Deal found 20/1C$ 2,367
Sat 8/212:35 a.m.YYZ - USM
1 stop31h 00mCathay Pacific
Sun 9/311:40 a.m.USM - YYZ
1 stop36h 35mCathay Pacific
Deal found 20/1C$ 2,644
Sat 1/35:00 p.m.YUL - USM
2 stops31h 35mAir France
Sat 8/311:40 a.m.USM - YUL
2 stops36h 35mAir France
Deal found 20/1C$ 2,819
Mon 3/26:15 p.m.YYZ - USM
2 stops54h 50mLufthansa
Thu 6/31:25 p.m.USM - YYZ
2 stops38h 50mLufthansa
Deal found 20/1C$ 3,099
Fri 28/28:15 p.m.YUL - USM
2 stops59h 20mCathay Pacific
Tue 11/311:40 a.m.USM - YUL
2 stops23h 59mCathay Pacific
Deal found 20/1C$ 3,445

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

6:00 p.m.-1:10 p.m.

2 stops32h 10m

Ko Samui

Tue 27/5

10:55 a.m.-7:10 a.m.

2 stops31h 15m

C$ 1,838

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Thu 6/2

8:20 p.m.-1:05 p.m.

2 stops28h 45m

Ko Samui

Thu 6/3

9:05 p.m.-4:40 p.m.

2 stops31h 35m

C$ 1,846

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:05 p.m.-9:10 p.m.

2 stops40h 05m

Ko Samui

Wed 25/6

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

2 stops34h 35m

C$ 1,963

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

6:35 p.m.-6:30 p.m.

2 stops36h 55m

Ko Samui

Fri 23/5

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

2 stops29h 20m

C$ 2,013

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

4:40 p.m.-1:45 p.m.

2 stops34h 05m

Ko Samui

Wed 28/5

10:05 a.m.-3:00 p.m.

2 stops39h 55m

C$ 2,137

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

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

2 stops26h 10m

Ko Samui

Tue 27/5

5:25 p.m.-2:25 p.m.

2 stops32h 00m

C$ 2,166

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

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

2 stops47h 55m

Ko Samui

Thu 29/5

8:00 a.m.-8:00 a.m.

2 stops35h 00m

C$ 2,455

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 8/2

12:15 a.m.-8:55 p.m.

2 stops32h 40m

Ko Samui

Sun 9/3

9:30 p.m.-9:20 p.m.

2 stops34h 50m

C$ 2,514

TorontoKoh Samui

YYZ - USM

YYZUSM

Toronto Pearson Intl

Sat 8/2

12:35 a.m.-7:35 p.m.

1 stop31h 00m

Ko Samui

Sun 9/3

11:40 a.m.-12:15 p.m.

1 stop36h 35m

C$ 2,644

MontrealKoh Samui

YUL - USM

YULUSM

Montreal Pierre Elliott Trudeau Intl

Sat 1/3

5:00 p.m.-12:35 p.m.

2 stops31h 35m

Ko Samui

Sat 8/3

11:40 a.m.-12:15 p.m.

2 stops36h 35m

C$ 2,819

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 18 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.

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 21 January 2025.
8.4
Very good
1,253 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

8.4
Very good
1,253 reviews
8.4
Very good
1,253 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

7.5
Good
3,752 reviews
8.4
Very good
1,253 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

7.5
Good
830 reviews
8.4
Very good
1,253 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

6.8
Okay
7,111 reviews
8.4
Very good
1,253 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

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?

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.

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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 2,249AverageC$ 2,896FlexibilityNo 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 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.