Cheap flights from Ontario to Ko Samui from C$ 878
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 19/11. 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
Keep the following information in mind while searching for Ontario to Ko Samui flight deals. Data was last updated 12 June 2025.
Find 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 12 June 2025.
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 12 June 2025.
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 12 June 2025.
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
TorontoKo Samui
YYZ - USM
YYZUSM
Toronto Pearson Intl
Tue 8/7
1:40 p.m.-1:10 p.m.
2 stops36h 30m
Ko Samui
Tue 15/7
8:20 a.m.-9:00 a.m.
2 stops35h 40m
MontrealKo Samui
YUL - USM
YULUSM
Montreal Pierre Elliott Trudeau Intl
Tue 24/6
7:00 p.m.-12:45 p.m.
2 stops30h 45m
Ko Samui
Tue 27/1
8:30 a.m.-12:15 p.m.
2 stops39h 45m
MontrealKo Samui
YUL - USM
YULUSM
Montreal Pierre Elliott Trudeau Intl
Mon 4/8
6:45 a.m.-9:35 p.m.
3 stops27h 50m
Ko Samui
Tue 19/8
8:00 a.m.-4:55 p.m.
3 stops43h 55m
TorontoKo Samui
YYZ - USM
YYZUSM
Toronto Pearson Intl
Thu 24/7
1:45 a.m.-4:50 p.m.
2 stops28h 05m
Ko Samui
Fri 1/8
8:00 a.m.-9:35 p.m.
2 stops24h 35m
TorontoKo Samui
YYZ - USM
YYZUSM
Toronto Pearson Intl
Fri 25/7
9:00 p.m.-10:10 a.m.
2 stops26h 10m
Ko Samui
Fri 1/8
9:00 p.m.-3:00 p.m.
2 stops29h 00m
TorontoKo Samui
YYZ - USM
YYZUSM
Toronto Pearson Intl
Mon 7/7
1:50 a.m.-6:35 p.m.
1 stop29h 45m
Ko Samui
Tue 15/7
10:55 a.m.-10:10 p.m.
1 stop22h 15m
MontrealKo Samui
YUL - USM
YULUSM
Montreal Pierre Elliott Trudeau Intl
Fri 1/8
9:35 p.m.-10:30 a.m.
2 stops25h 55m
Ko Samui
Fri 15/8
12:10 p.m.-2:45 p.m.
2 stops61h 35m
MontrealKo Samui
YUL - USM
YULUSM
Montreal Pierre Elliott Trudeau Intl
Tue 24/6
9:50 p.m.-1:45 p.m.
3 stops28h 55m
Ko Samui
Tue 27/1
10:00 a.m.-12:28 a.m.
3 stops26h 28m
TorontoKo Samui
YTZ - USM
YTZUSM
Toronto Island
Fri 25/7
1:25 p.m.-10:30 a.m.
3 stops34h 05m
Ko Samui
Fri 1/8
5:55 p.m.-5:43 p.m.
3 stops34h 48m
MontrealKo Samui
YUL - USM
YULUSM
Montreal Pierre Elliott Trudeau Intl
Tue 24/6
8:40 p.m.-9:10 p.m.
2 stops37h 30m
Ko Samui
Tue 27/1
8:30 p.m.-11:45 a.m.
3 stops27h 15m
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Ko Samui
What is the cheapest time of day to fly from ON to USM?
Find hourly flight availability from Ontario to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.
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.
Rainfall in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average rainfall totals by month.
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.
Temperature in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing Ko Samui
Get insights into the airlines that provide service to Ko 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 Ko Samui. Reviews last updated 12 June 2025.
Read through reviews of airlines operating flights from Ontario to Ko Samui, such as EVA Air, Cathay Pacific and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Dale,May 2025
TPE - SFO
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.
Travelling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsBrowse 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 Ko Samui
See prices for flight routes from nearby airports that may be better suited for you.
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 12 June 2025.
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.