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$477 Cheap Flights to Koh Samui Islands

View $477 flight on Sun, Feb 28, 2027

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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 $477 for one-way flights and $800 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,217 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,264 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Sun, Feb 28 from Columbus to Koh Samui, returning Tue, Mar 9, priced at $1,321 Found 5 days ago

    Sun, Feb 28 - Tue, Mar 9 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,398 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,409 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,445 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Fri, Mar 26 from Columbus to Koh Samui, returning Sat, Apr 3, priced at $1,448 Found 1 day ago

    Fri, Mar 26 - Sat, Apr 3 · CMH · USM · Roundtrip

    Select Cathay Pacific flight, departing Tue, Aug 17 from Columbus to Koh Samui, returning Tue, Aug 31, priced at $1,456 Found 8 hours ago

    Tue, Aug 17 - Tue, Aug 31 · CMH · USM · Roundtrip

    Select American Airlines flight, departing Sat, Jun 5 from Columbus to Koh Samui, returning Sun, Jun 13, priced at $1,645 Found 2 days ago

    Sat, Jun 5 - Sun, Jun 13 · CMH · USM · Roundtrip

    Select Air Canada flight, departing Sat, Jun 5 from Columbus to Koh Samui, returning Sun, Jun 13, priced at $1,648 Found 2 days ago

    Sat, Jun 5 - Sun, Jun 13 · CMH · USM · Roundtrip

    Alternative airports

    Prices were available within the past 7 days. Prices and availability are subject to change.

    Select flight to Samui Intl. Airport USM. Cheapest option available. Flights from $1,701

    Book with confidence

    Koh Samui Islands Flights

    Are you planning the vacation of a lifetime to Koh Samui? If so, Expedia wants to show you deals of a lifetime on flights to Koh Samui. We make planning an exotic and luxurious vacation easy, as you never have to worry about the hassle of searching all over the Internet to find the lowest prices on airplane seats again. We put all the information you need to book your reservation in one place. We even make it possible to drastically cut the cost of your vacation by taking advantage of our exclusive discount specials on travel packages. A world of wild coconut trees and coral reefs is waiting for you in this beautiful destination, and Expedia can save you more than the cost of a few coconuts when you buy your tickets to Koh Samui using our great offers. Get ready to embrace an island of white sand and beauty.

    Cheap Koh Samui airfare is available on Expedia. All you have to do to find cheap flights to Koh Samui is to search for a departure destination and a time suiting your schedule. You even have the freedom to browse for flights based on your preferred airline carrier. We work with all the major airlines to bring you exclusive deals on Koh Samui flights.

    You never travel alone when you plan your trip with Expedia. Help is available every step of the way while booking your plane seat. Our friendly travel experts are always standing by to answer any questions you have regarding the best choices for accommodations. We can also provide you with information regarding how to combine your reservations to get the lowest prices on your airplane seat, hotel, and other travel needs. Let us help you cut the expense of your trip without cutting the fun. We help people from every corner of the world plan lovely vacations to Koh Samui, so book tour tickets to Koh Samui today.

    Frequently Asked Questions

    What month is the cheapest to fly to Koh Samui Islands?

    Plan your trip for November if you're looking for a deal on your fare. It's the cheapest month to fly to Koh Samui Islands. Try to avoid traveling during peak periods such as public holidays or major events.

    Which US cities fly direct to Koh Samui Islands?

    Nonstop flights make travel a little easier. When you search on Expedia, check "Direct flights only" to see the available options to fly to Koh Samui Islands.

    How to find a cheap flight to Koh Samui Islands?

    Book in advance for the best chance of scoring cheap flights to Koh Samui Islands. Also, consider traveling during off-peak months like May and September. If you jet off on a Thursday, you'll save an average of 16% compared to departing on a Sunday.* Save time checking every day and track your flight prices using the Expedia app. We'll let you know when fares change.

    *Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

    How to get a cheap last-minute flight to Koh Samui Islands?

    While booking in advance is generally the easiest way to save cash, don't worry if your Koh Samui Islands getaway is last minute. You can still get cheap flights to Koh Samui Islands, especially if your plans have a little wiggle room. Try changing your travel dates, looking at different ticket types or jetting out of another hub.

    How far in advance should I book a flight to Koh Samui Islands?

    Book your flight to Koh Samui Islands two to four months ahead if you're jetting in from an international destination. For domestic travel, the general guideline is 28 days in advance. Cheaper fares and a wider variety of travel dates, schedules and seating options are just some of the perks of booking early.*

    *Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

    Which day of the week is the cheapest day to buy a plane ticket to Koh Samui Islands?

    You'll save an average of 8% by buying tickets on a Sunday instead of Fridays, which tend to be the priciest day to book.* When it comes to scoring a cheap flight to Koh Samui Islands, timing makes a difference.

    *Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

    Can I save money by booking a Koh Samui Islands trip package?

    You could possibly save hundreds of dollars if you secure a Koh Samui Islands flight and hotel package deal on Expedia. And you'll save time and hassle by having all your travel arrangements in one place. Try bundling your hotel and flight with add-ons like activities and car rentals for your own personalized Koh Samui Islands escape.

    Can I change or cancel my flight to Koh Samui Islands?

    If you bought your flight to Koh Samui Islands in the last 24 hours, you can often cancel or change it for free. After that, additional charges may apply depending on the airline's terms of service. To learn more, visit our Customer Service Portal. Remember that some flights are non-refundable, so you may be offered a credit for future flights rather than a direct refund. When searching on Expedia, use the "Changes included" or "No cancel fee" boxes to find fares with flexible change policies.

    Travel information

    Airlines servingBangkok Airways, Singapore Airlines, Qatar Airways, Thai Airways International, Lufthansa, British Airways, Etihad Airways, KLM, Turkish Airlines, Swiss International Air Lines, Air France, Cathay Pacific, Austrian Airlines, Emirates, EVA Airways, Scoot, Finnair, Malaysia Airlines, Qantas Airways, Oman Air, Gulf Air, Japan Airlines, China Airlines, Vietnam Airlines, Hong Kong Airlines, Philippine Airlines, EL AL Israel Airlines
    Popular airlineBangkok Airways
    Roundtrip price$1,217

    Explore a world of travel with Expedia

    Trending flights to Koh Samui Islands

    Prices were available within the past 7 days and start at $477 for one-way flights and $800 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select Singapore Airlines flight, departing Wed, Nov 25 from Los Angeles to Koh Samui, returning Wed, Dec 2, priced at $800 Found 5 hours ago

    Wed, Nov 25 - Wed, Dec 2 · LAX · USM · Roundtrip

    *Available to One Key members.