Cheap Flights to Koh Samui Islands from CA $123

View CA $123 flight on Wed, May 20, 2026Opens in a new window

Popular airlines

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How much is the cheapest flight to Koh Samui Islands?

Prices were available within the past 7 days and start at CA $123 for one-way flights and CA $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, Sep. 17 - Wed, Oct. 1
HKT
Phuket
USM
Koh Samui
CA $198 Roundtrip, found 5 days ago
CA $198
Roundtrip
found 5 days ago
Select Bangkok Airways flight, departing Wed, Sep. 17 from Phuket to Koh Samui, returning Wed, Oct. 1, priced at CA $198 found 5 days ago
Scoot
Thu, Aug. 28 - Mon, Sep. 1
SIN
Singapore
USM
Koh Samui
CA $412 Roundtrip, found 1 day ago
CA $412
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Aug. 28 from Singapore to Koh Samui, returning Mon, Sep. 1, priced at CA $412 found 1 day ago
Emirates
Tue, Oct. 14 - Tue, Oct. 28
HKG
Hong Kong SAR
USM
Koh Samui
CA $522 Roundtrip, found 5 days ago
CA $522
Roundtrip
found 5 days ago
Select Emirates flight, departing Tue, Oct. 14 from Hong Kong SAR to Koh Samui, returning Tue, Oct. 28, priced at CA $522 found 5 days ago
Singapore Airlines
Sun, Nov. 23 - Sun, Nov. 30
HKG
Hong Kong SAR
USM
Koh Samui
CA $610 Roundtrip, found 1 day ago
CA $610
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Sun, Nov. 23 from Hong Kong SAR to Koh Samui, returning Sun, Nov. 30, priced at CA $610 found 1 day ago
Thai Airways International
Thu, Sep. 18 - Wed, Sep. 24
HKG
Hong Kong SAR
USM
Koh Samui
CA $643 Roundtrip, found 5 days ago
CA $643
Roundtrip
found 5 days ago
Select Thai Airways International flight, departing Thu, Sep. 18 from Hong Kong SAR to Koh Samui, returning Wed, Sep. 24, priced at CA $643 found 5 days ago

Expedia.ca gives you the best tools to secure great deals on flights to Koh Samui Islands. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Koh Samui Islands. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Koh Samui Islands.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Koh Samui Islands flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Koh Samui Islands.

Looking to save even more? Get additional savings by bundling your Koh Samui Islands flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Koh Samui Islands trip!

Frequently asked questions

How do I find cheap flights to Koh Samui Islands that have flexible change policies?
We understand that travel plans can change from one day to the next, so reserving a flexible ticket with Expedia makes sense. Tick the "No change fee" box directly below the "Flexible change policies" filter. Your low-cost, flexible flight to Koh Samui Islands is only a few clicks away.
How can I find cheap tickets to Koh Samui Islands?
Start searching as early as possible, consider nearby airports, avoid peak travel periods --- there are plenty of ways! Another one is to make the most of Expedia's "flexible dates" function. Search for your Koh Samui Islands flight, then compare the prices for nearby dates. In the last seven days, the lowest price for a flight to Koh Samui Islands was CA $198.
How much is a flight to Koh Samui Islands?
The price of a round-trip airfare to Koh Samui Islands in the last seven days fluctuated between CA $198 and CA $1,162. If you were travelling one way out of Chiang Mai (CNX), you could have purchased an affordable fare from just CA $123.
When is the cheapest time to fly to Koh Samui Islands?
Leave for Koh Samui Islands early on in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to get on a plane, closely followed by Monday. If you'd like to avoid the costliest flights, keep clear of Saturdays.
How much is a plane ticket to Koh Samui Islands?
Seats varied from CA $198 to CA $1,162 in the last seven days. When you're ready to book, we'll help you find the best price to Koh Samui Islands.
What is the best time to go to Koh Samui Islands?
Summer begins June 51 kg the Northern Hemisphere, and these warmer months are a good time to tour the well-known Koh Samui Islands city of Ban Mai. Average temperatures fluctuate between 27ºC and 29ºC across the season. The largest crowds can be found here in January, February and March.
What months are the cheapest to book a flight to Koh Samui Islands?
February is a cheap month to secure a seat for your Koh Samui Islands trip. Fares are priciest over the month of December, so avoid this time if possible.
Flights to Koh Samui Islands information
Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Roundtrip price
CA $197

Trending flights to Koh Samui Islands

Prices were available within the past 7 days and start at CA $123 for one-way flights and CA $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Tue, Sep. 2 - Wed, Sep. 17
YVR
Vancouver
USM
Koh Samui
CA $1,162 Roundtrip, found 3 days ago
CA $1,162
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Tue, Sep. 2 from Vancouver to Koh Samui, returning Wed, Sep. 17, priced at CA $1,162 found 3 days ago
*Available to Expedia members.