Cheap Flights to Koh Samui Islands from CA $155

View CA $155 flight on Sat, May 9, 2026Opens in a new window

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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 $155 for one-way flights and CA $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sun, May 17 - Thu, May 21
HKT
Phuket
USM
Koh Samui
CA $317 Roundtrip, found 6 hours ago
CA $317
Roundtrip
found 6 hours ago
Select Bangkok Airways flight, departing Sun, May 17 from Phuket to Koh Samui, returning Thu, May 21, priced at CA $317 found 6 hours ago
Scoot
Thu, Aug 20 - Tue, Aug 25
TPE
Taipei
USM
Koh Samui
CA $418 Roundtrip, found 1 day ago
CA $418
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Aug 20 from Taipei to Koh Samui, returning Tue, Aug 25, priced at CA $418 found 1 day ago
EVA Airways
Sun, May 17 - Wed, May 20
MFM
Macau
USM
Koh Samui
CA $639 Roundtrip, found 1 day ago
CA $639
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Sun, May 17 from Macau to Koh Samui, returning Wed, May 20, priced at CA $639 found 1 day ago
Emirates
Mon, Sep 14 - Thu, Sep 17
HKG
Hong Kong SAR
USM
Koh Samui
CA $735 Roundtrip, found 1 day ago
CA $735
Roundtrip
found 1 day ago
Select Emirates flight, departing Mon, Sep 14 from Hong Kong SAR to Koh Samui, returning Thu, Sep 17, priced at CA $735 found 1 day ago
Thai Airways International
Sun, May 17 - Wed, May 20
HKG
Hong Kong SAR
USM
Koh Samui
CA $875 Roundtrip, found 1 day ago
CA $875
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Sun, May 17 from Hong Kong SAR to Koh Samui, returning Wed, May 20, priced at CA $875 found 1 day ago

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 $317.
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 $317 and CA $1,301. If you were travelling one way out of Phuket (HKT), you could have purchased an affordable fare from just CA $155.
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 $317 to CA $1,301 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.

Travel information

Destination airport
Samui Intl. Airport
Destination airport IATA code
USM
Destination city name
Samui Intl. Airport
Roundtrip price
CA $316

Trending flights to Koh Samui Islands

Prices were available within the past 7 days and start at CA $155 for one-way flights and CA $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Sep 9 - Tue, Sep 22
YVR
Vancouver
USM
Koh Samui
CA $1,301 Roundtrip, found 3 days ago
CA $1,301
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Sep 9 from Vancouver to Koh Samui, returning Tue, Sep 22, priced at CA $1,301 found 3 days ago

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