Cheap Flights To Koh Samui Islands (USM)

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Cheap Flights to Koh Samui Islands from $71 One Way, $145 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Sep 3 - Wed, Sep 9
HKT
Phuket Intl.
USM
Samui Intl. Airport
$145 Roundtrip, found 4 days ago
$145
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Thu, Sep 3 from Phuket Intl. to Samui Intl. Airport, returning Wed, Sep 9, priced at $145 found 4 days ago
Wed, Sep 9 - Fri, Sep 11
CNX
Chiang Mai Intl.
USM
Samui Intl. Airport
$193 Roundtrip, found 5 days ago
$193
Roundtrip
found 5 days ago
Select Bangkok Airways flight, departing Wed, Sep 9 from Chiang Mai Intl. to Samui Intl. Airport, returning Fri, Sep 11, priced at $193 found 5 days ago
Wed, Nov 18 - Wed, Nov 25
SIN
Changi
USM
Samui Intl. Airport
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select Scoot flight, departing Wed, Nov 18 from Changi to Samui Intl. Airport, returning Wed, Nov 25, priced at $284 found 6 days ago
Tue, Sep 22 - Mon, Sep 28
DMK
Don Mueang Intl.
USM
Samui Intl. Airport
$287 Roundtrip, found 21 hours ago
$287
Roundtrip
found 21 hours ago
Select Bangkok Airways flight, departing Tue, Sep 22 from Don Mueang Intl. to Samui Intl. Airport, returning Mon, Sep 28, priced at $287 found 21 hours ago
Tue, Sep 22 - Mon, Sep 28
BKK
Suvarnabhumi Intl.
USM
Samui Intl. Airport
$287 Roundtrip, found 21 hours ago
$287
Roundtrip
found 21 hours ago
Select Bangkok Airways flight, departing Tue, Sep 22 from Suvarnabhumi Intl. to Samui Intl. Airport, returning Mon, Sep 28, priced at $287 found 21 hours ago
Sun, Aug 30 - Sun, Sep 6
ICN
Incheon Intl.
USM
Samui Intl. Airport
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select Scoot flight, departing Sun, Aug 30 from Incheon Intl. to Samui Intl. Airport, returning Sun, Sep 6, priced at $376 found 2 days ago
Mon, Aug 31 - Wed, Sep 2
BOM
Chhatrapati Shivaji Intl.
USM
Samui Intl. Airport
$601 Roundtrip, found 11 hours ago
$601
Roundtrip
found 11 hours ago
Select Air India flight, departing Mon, Aug 31 from Chhatrapati Shivaji Intl. to Samui Intl. Airport, returning Wed, Sep 2, priced at $601 found 11 hours ago
Sun, Oct 4 - Sun, Oct 18
LAX
Los Angeles Intl.
USM
Samui Intl. Airport
$876 Roundtrip, found 1 day ago
$876
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Sun, Oct 4 from Los Angeles Intl. to Samui Intl. Airport, returning Sun, Oct 18, priced at $876 found 1 day ago
Tue, Sep 8 - Mon, Sep 21
SFO
San Francisco Intl.
USM
Samui Intl. Airport
$908 Roundtrip, found 1 day ago
$908
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Tue, Sep 8 from San Francisco Intl. to Samui Intl. Airport, returning Mon, Sep 21, priced at $908 found 1 day ago
Thu, Oct 15 - Thu, Oct 22
SEA
Seattle - Tacoma Intl.
USM
Samui Intl. Airport
$925 Roundtrip, found 1 day ago
$925
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Thu, Oct 15 from Seattle - Tacoma Intl. to Samui Intl. Airport, returning Thu, Oct 22, priced at $925 found 1 day ago

Koh Samui Islands Flight Information

Traveling To
Koh Samui Islands
Destination Airport IATA Code
USM
Number of Airlines Serving
Airlines
Bangkok Airways, Scoot, Air India, Singapore Airlines, Japan Airlines
Flight Price
$145
Earliest Departing Flight
Latest Departing Flight

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Koh Samui Islands premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Celes Samui
4.0-star property

Celes Samui

9.2/10 Wonderful! (298 reviews)

Aug 20 - Aug 26

6 night stay

New York (NYC) to Samui Intl. Airport (USM)

British Airways • Roundtrip • PremiumEconomy
Price was $5,376, price is now $3,840 per person
$3,840
per person
just found

Anzhu Seamate Villa Samui
4.0-star property

Anzhu Seamate Villa Samui

10/10 Exceptional! (1 review)

Aug 20 - Aug 26

6 night stay

New York (NYC) to Samui Intl. Airport (USM)

British Airways • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $8,125, price is now $4,591 per person
$4,591
per person
just found
Amazing villa, great hospitality and service. Highly recommend. Me will be back.

Reviewed on Jul 17, 2025

Kanda Residences Pool Villas
5.0-star property

Kanda Residences Pool Villas

8.6/10 Excellent! (152 reviews)

Aug 20 - Aug 26

6 night stay

New York (NYC) to Samui Intl. Airport (USM)

British Airways • Roundtrip • PremiumEconomy
Price was $5,370, price is now $3,857 per person
$3,857
per person
just found

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Koh Samui Islands

Are you in the mood for a cruise? Shop Orbitz today for cheap cruises and flights to Koh Samui Islands. Our award-winning cruise site features exclusive offers, information for first-timers and top destinations and activities. Make discount domestic and international travel plans in an instant with cutting-edge mobile tools from Orbitz.

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First-Timers

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Ports and Play

Be sure to check our cruise page for free shore excursions, onboard spending, balcony upgrades and other perks. Orbitz offers last-minute, luxury, weekend and summer cruises. You can even designate which port you want to sail from and pre-book on-shore activities. Get there on the cheap with discounts on flights to Koh Samui Islands and Koh Samui Islands flights. Get more bang for your travel buck at Orbitz.

Frequently asked questions

How much is a flight to Koh Samui Islands?
This past week, prices hovered between $145 and $925 for a return trip to Koh Samui Islands. One-way fares departing from Phuket (HKT) fell to a low $71.
How to book the cheapest flight to Koh Samui Islands?
With some of the most amazing flight deals around, you're guaranteed value for money with Orbitz. The following pointers will help you pick up cheap flights to Koh Samui Islands — and leave you with extra cash in your wallet:

  • Departing from or arriving at nearby airports can save you money. Type in your preferred departure and arrival points. Next, select the 'Nearby airports' function below the form fields to look through your options.
  • If your plans aren't set in stone, click on the 'Show flexible dates' link to check out the flight deals for different departure dates. You may find an amazing fare.
  • To refine your results, hit 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also select the time of day you'd like to fly under 'Sort & Filter' to the left.
  • Book as soon as you've figured out your travel dates. While you can get lucky now and then, airfares rarely fall in price as your date of departure approaches.
  • Consider bundling your flights, hotels and car rental into one convenient package deal to make your budget go even further.
  • Don't fly during the busy season if possible. By avoiding school vacations and summer, you can make amazing savings on your airfares.

How long is a flight to Koh Samui Islands?
Flights times can vary for a lot of different reasons, including the place you take off from. If you're unsure whether you'll have enough time to read your book or have a snooze on your way to Koh Samui Islands, check out this list of popular domestic routes and flight times:

  • Bangkok (BKK-Suvarnabhumi Intl.) to Ko Samui Airport (USM) - 1 hour and 13 minutes
  • Phuket (HKT-Phuket Intl.) to Ko Samui Airport (USM) - 55 minutes
  • Chiang Mai (CNX-Chiang Mai Intl.) to Ko Samui Airport (USM) - 1 hour and 45 minutes

What is the best time to book a flight to Koh Samui Islands?
Land a bargain and book your tickets to Koh Samui Islands in January. If you've missed this month, don't worry. February and August often have low airfares as well. Just make sure you don't sleep on a sale though — cheap flights emerge and disappear in the click of a mouse!
What day of the week is the cheapest to book a flight to Koh Samui Islands?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book flights to Koh Samui Islands. If you're looking for the most competitive airfares, search across those days and you just might find a fantastic flight deal.
What is the cheapest day of the week to fly to Koh Samui Islands?
If you're looking for cheap flights to Koh Samui Islands, leave early in the week. Orbitz data from 2020 shows Monday is the cheapest day to jet off, followed by Tuesday. Saturday has the most expensive fares, so avoid this day and do your bank account a favor.
What is the cheapest month to fly to Koh Samui Islands?
To secure cheap flights to Koh Samui Islands, you should leave in August. If getting a great deal on your plane ticket is your top priority, Orbitz data has found that this is generally the best month to travel. June is when fares are at their peak.
Which airlines allow free cancellation?
If you suspect your travel plans could change, Orbitz can help you find a flexible ticket. All you have to do is select "Filter by flexible change policies" when searching for your flights. We'll show you airlines that offer free cancellation and no change fees — in addition to our awesome low prices.
What do I need for the flight to Koh Samui Islands?
It's always wise to be ready for anything when going on a trip. Remember the following pointers for a smooth, stress-free journey:

  • You'll need to present photo identification such as your passport. To avoid confusion during check-in, make sure you book your flights using the same name as your official ID. It's good to have electronic copies of important documents too, just to be safe!
  • If you're flying directly to Koh Samui Islands, chances are you're going to be in the air for quite a while. Take lots of snacks and entertainment to keep you amused. Now is the perfect time to dive into that book you've haven't finished!
  • Cabin temperatures can quickly change, so it's wise to bring an extra layer. Also consider compression socks. They can help prevent blood clots and improve circulation in your legs.

How do I get cheap first-class/business deals to Koh Samui Islands?
If you think a first or business-class ticket is out of your price range, you may want to think again. Here are some tips to help you book a premium flight to Koh Samui Islands for less:

  • Flexibility is important. By being open to a few travel dates, you'll have a better chance of picking up a deal on first or business-class airfares.
  • A lot of budget carriers nowadays have top-notch business-class seating that doesn't cost an arm and a leg.
  • Make a bid for an upgrade. Some airlines hold online auctions that let you put down a price for a seat at the front of the plane. You can also try upgrading with points earned through a rewards program.

What is the best time to go to Koh Samui Islands?
Koh Samui Islands is a busy place in August, September and October. If you're arranging a visit during these months, it may be an idea to book well in advance to ensure you land the best deals. Like to know what summer's like in Koh Samui Islands? Average daily temperatures usually hover between 80 ºF and 85 ºF. Like many destinations in the Northern Hemisphere, summertime begins June 20 here.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.