One Way

Popular Filters

One Way Price

USD 966 USD 4,600

Duration

23 h 0 m 51 h 0 m

Stops From Washington

Departure From Washington

6 AM - 12 PM

USD 967

12 PM - 6 PM

USD 967

After 6 PM

USD 1,838

Arrival at Koh Samui

6 AM - 12 PM

USD 2,217

12 PM - 6 PM

USD 967

After 6 PM

USD 967

Alliances & Airlines

Oneworld

()

SkyTeam

(1)

Star Alliance

(19)

Layover Airports

+ 1 more

Layover Duration

2 h 35 m 25 h 30 m

Domestic Flights From United Kingdom

Washington To Koh Samui Flights

Book Washington to Koh Samui flight tickets at lowest price. Get best deals on your upcoming Washington to Koh Samui flights only on MakeMyTrip. Also Book Koh Samui to Washington Flights. Currently 20 flights flying from Washington to Koh Samui. To save maximum on flight booking click on below Fare Calendar button and choose your dates.Avail Zero Cancellation for flight bookings.


Sorted By:
Departure
Duration
Arrival
Price
United Airlines, Bangkok Airways

More Timing Options

USD 1,007

USD 967

Transit Visa may be required

Washington-Reagan Apt to Koh Samui , 31 Mar

United Airlines UA | 511

13:00

Tue, 31 Mar 26

Washington-Reagan Apt, United States

14:19

Tue, 31 Mar 26

Chicago, United States

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 511

15:45

Tue, 31 Mar 26

Chicago, United States

18:38

Tue, 31 Mar 26

Terminal T3

San Francisco, United States

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 1

22:40

Tue, 31 Mar 26

Terminal I

San Francisco, United States

17 h 05 m

06:45

Thu, 2 Apr 26

Terminal T2

Singapore, Singapore

BAGGAGE : CHECK INCABIN

Information not available

Bangkok Airways PG | 966

12:15

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

01 h 55 m

13:10

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

USD 1,125

USD 1,081

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 188

13:20

Tue, 31 Mar 26

Washington-Dulles Apt, United States

09 h 50 m

06:10

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 518

19:10

Wed, 1 Apr 26

Istanbul, Turkey

11 h

11:10

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 7613 | Operated By Bangkok Airways

17:20

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

01 h 55 m

18:15

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

USD 1,914

USD 1,838

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 8

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

10 h 05 m

14:50

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 208

17:00

Wed, 1 Apr 26

Istanbul, Turkey

10 h 45 m

08:45

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 7623 | Operated By Bangkok Airways

12:15

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

01 h 55 m

13:10

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

USD 2,309

USD 2,217

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 8

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

10 h 05 m

14:50

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 58

15:50

Wed, 1 Apr 26

Istanbul, Turkey

09 h 15 m

05:05

Thu, 2 Apr 26

Bangkok, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 7528 | Operated By Bangkok Airways

06:40

Thu, 2 Apr 26

Bangkok, Thailand

01 h 05 m

07:45

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines

More Timing Options

USD 2,319

USD 2,227

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 8

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

10 h 05 m

14:50

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 58

15:50

Wed, 1 Apr 26

Istanbul, Turkey

09 h 15 m

05:05

Thu, 2 Apr 26

Bangkok, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 7560 | Operated By Bangkok Airways

07:10

Thu, 2 Apr 26

Bangkok, Thailand

01 h 05 m

08:15

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines, Bangkok Airways

USD 2,405

USD 2,309

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 8

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

10 h 05 m

14:50

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 58

15:50

Wed, 1 Apr 26

Istanbul, Turkey

09 h 15 m

05:05

Thu, 2 Apr 26

Bangkok, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Bangkok Airways PG | 109

06:40

Thu, 2 Apr 26

Bangkok, Thailand

01 h 05 m

07:45

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines, Bangkok Airways

USD 2,420

Transit Visa may be required

Washington-Dulles Apt to Koh Samui , 31 Mar

Turkish Airlines TK | 8

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

10 h 05 m

14:50

Wed, 1 Apr 26

Istanbul, Turkey

BAGGAGE : CHECK INCABIN

Information not available

Turkish Airlines TK | 58

15:50

Wed, 1 Apr 26

Istanbul, Turkey

09 h 15 m

05:05

Thu, 2 Apr 26

Bangkok, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Bangkok Airways PG | 107

07:10

Thu, 2 Apr 26

Bangkok, Thailand

01 h 05 m

08:15

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Air France, Bangkok Airways

USD 2,527

USD 2,426

Washington-Dulles Apt to Koh Samui , 31 Mar

Air France AF | 53

21:45

Tue, 31 Mar 26

Washington-Dulles Apt, United States

07 h 30 m

11:15

Wed, 1 Apr 26

Terminal T2E

Paris, France

BAGGAGE : CHECK INCABIN

Information not available

Air France AF | 182

13:15

Wed, 1 Apr 26

Terminal T2E

Paris, France

13 h 10 m

08:25

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

BAGGAGE : CHECK INCABIN

Information not available

Bangkok Airways PG | 966

12:15

Thu, 2 Apr 26

Terminal T1

Singapore, Singapore

01 h 55 m

13:10

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa

USD 4,657

USD 4,549

Washington-Dulles Apt to Koh Samui , 31 Mar

Lufthansa LH | 415

22:20

Tue, 31 Mar 26

Washington-Dulles Apt, United States

08 h 10 m

12:30

Wed, 1 Apr 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 772

22:20

Wed, 1 Apr 26

Terminal T2

Munich, Germany

10 h 40 m

14:00

Thu, 2 Apr 26

Bangkok, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 4628 | Operated By Bangkok Airways

15:30

Thu, 2 Apr 26

Bangkok, Thailand

01 h 05 m

16:35

Thu, 2 Apr 26

Koh Samui, Thailand

BAGGAGE : CHECK INCABIN

Information not available

Washington to Koh Samui Flights Information:-

Looking for Washington to Koh Samui Flight? Hereโ€™s all you need to know! For convenience and to save time, pick the airport that is closest to your destination. The nearest airport to Koh Samui is Samui and the IATA code for the same is USM.
Currently, there are 5 airlines operating flights between the two destinations and approximately 20 flights take off from Washington to Koh Samui every week.

Need information on Washington to Koh Samui airfare?

The minimum airfare for a Washington to Koh Samui flight would be 966, which may go up to 4548 depending on the route, booking time and availability.
It is recommended that you book a round-trip, since it always works out to be more economical.

Flight Details for Washington to Koh Samui

If you are looking for Washington to Koh Samui flights, there is no dearth of options to choose from. Several reputed airlines currently offer both direct and indirect flights between the two destinations. Some of these are Air France, Bangkok Airways, Lufthansa, Turkish Airlines, United Airlines. Out of these, only 0 airlines operate direct flights. Indirect flights may involve more travel time, but they usually cost lesser than direct flights.

The number of flights operated by each airline is as follows:Air France : 1, Bangkok Airways : 1, Lufthansa : 1, Turkish Airlines : 1, United Airlines : 1

To board the first Washington to Koh Samui flight, choose United Airlines, Bangkok Airways, which departs at 07:30 The last flight for this route is Lufthansa, departing at 22:20

Koh Samui Airport Information

Samui

About Washington (WAS)

Endowed with unspoilt natural beauty, Washington - 'The Evergreen State' is nestled in the north-western part of the US. From ultra-modern cities to dense jungles, secluded beaches, volcanic mountains and more, this state has every facet that makes for an ideal tourist destination. The Coulee Corridor, Mount St. Helens National Monument, Grand Coulee Dam, Mount Baker Highway, North Cascades, Lake Chelan and Riverfront Park are some of the popular attractions. San Juan - a set of breathtaking pastoral islands - is one of the prime attractions of the state, where they can enjoy whale watching, kayaking and biking, among other interesting activities. Washington is home to some of the most beautiful national parks in the whole of America, such as the Olympic National Park and North Cascades National Park. Known as 'The Emerald City', Seattle - a bustling seaport city - is one of the proud possessions of Washington. A throbbing metropolis, Seattle is home to seemingly endless attractions, including the Pike Place Market, Ballard and Capital Districts, Discovery Park, Olympic Sculpture Park, Seattle Aquarium and Seattle Art Museum. Tourists can visit Washington without any hassle by availing travel packages from MakeMyTrip.

Important Information about Washington to Koh Samui Flight

Lowest Fare to Travel with Date USD undefined- 31 Mar
Total flights from Washington to Koh Samui in a week 20 Flights
First Flight United Airlines, Bangkok Airways, departs at 07:30
Last FlightLufthansa, departs at 22:20
Non-Stop Flights from Washington to Koh Samui0
Airport Name & codes of Washington & Koh Samui Washington Airport, Washington-WAS, Samui,Koh Samui-USM

Washington Address

Washington Dulles International Airport
1 Saarinen Circle
Sterling
Virginia
United States
Tel: +1-703-572-2700

About Koh Samui (USM)

Koh Samui also pronounced as Ko Samui is one of the enchanting and vivacious islands in the world. From sensational beaches to elephant rides, from Jungal safari to speed boat, you will find everything here. The natural surrounding and modern art of this magnificent island offer you a great peace of mind and add some most amazing moments in your life. Situated in the Gulf of Thailand, approximately 80 km from the southern coast of Thailand, Koh Samui is the third largest island on the land of Thailand. It was the untouched island in the past, but with passing time, it has emerged as paradise on earth. Though still reaching here is little difficult as people need to do a lot of trekking. The lofty mountains and tranquil atmosphere provide a pleasant stay in this part. You will simply love to enjoy the elephant ride as well as fishing. There are lots of water sports activities which you provide you a thrilling experience. The beach parties and sea foods also attract your attention and make you fall in love with this beautiful island. Beside all these facts, travellers across the world will surely love the warm hospitality and nightlife of this part. To add more spice in your holidays, there are a number of breathtaking places where you can have the time of your life with your near and dear ones. Places like The Big Buddha, Namuang Waterfall, Hin Ta - Hin Yai, Sawadee Shrine, Hin Lad Waterfall, Magic Buddha Garden, Ancient House, Butterfly Garden, Snake Farm, Scuba Diving and Paradise Park Farm are there to reflect the real charm of this island. For the ultimate beach holiday, Koh Samui is one of the finest places to visit. The best and perfect time to visit this part of the world is the summers. To book your flights to Koh Samui well in advance, you can simply log onto MakeMyTrip.com where you also get some attractive discounts on your every booking. Besides booking your air tickets, you can also book hotels, car services, and bus services on this leading online travel portal.

Koh Samui Address

Frequently Asked Questions - Washington to Koh Samui Flights

Which airlines offer cheapest airfare from Washington to Koh Samui?

There is no set pricing for airlines to offer cheap flight fare from Washington to Koh Samui. These fares are mostly decided on the basis of algorithms followed by air carriers to final the prizing based on demand. However, some multiple route flights with stop-overs offer cheap flights as compared to direct flight departing from Washington to Koh Samui.

Can I find cheap accommodation near to airport when travelling from Washington to Koh Samui?

There are several accommodation options available near the Samui. You can check for both budget friendly and well as five star accommodation near the airport depending on your requirement and budget. These hotels are mostly suitable for business travellers.

Is there a way to make flexible departure date bookings for your Washington to Koh Samui flight tickets?

Some travel portals like MakeMyTrip offer flexible departure and arrival booking option with certain air carrier when booking from Washington to Koh Samui. You can check the flexible booking flight options once you get the results filters based on your search and make the booking accordingly. Please note, some airlines make charge extra for flexible travel dates.

What is the best time to book cheap flight tickets from Washington to Koh Samui?

To get cheap flight tickets from Washington to Koh Samui, the best time would be to plan your trip during the off season. At that time the flight tickets are usually cheaper than the peak season and the accommodation booking is also available at the affordable price. The other way of booking cheap flight tickets from Washington (WAS) to Koh Samui (USM) is to book atleast 4 weeks in advance before your departure date to get competitive pricing on your tickets even during the peak season.

Is passport mandatory to travel from Washington to Koh Samui?

When making an international trip, passport is mandatory as it defines your identity to the other nation officials. The VISA norms may differ from country to country, which means some would allow Visa on arrival and others may require you to obtain visa in advance. But the availability of passport is mandatory at the time of departure and arrival as well.

How do MakeMyTrip finds the lowest available dare for flights from Washington to Koh Samui?

MakeMyTrip is a popular travel portal that also works as a travel search engine that allows you to see best available results for your flight search. Every time you make search for flights to any destination, the MMT algorithm picks all the available air carriers for the route and filter rates basis on the cheapest fare available in their system. At MMT, you can not only search flights on the basis of the fare, but you can also see which flight offers direct route, which has multiple stop-overs, baggage allowance, in-flight meal options, cancellation policy, etc. You can also check available discounts offered by payments partners and air carriers when booking the flight.

Can I cancel my ticket from Washington to Koh Samui without cancellation charges?

To avoid cancellation charges on your air tickets, you need to make a selection at the time of booking for ZERO cancellation. Please note, the zero cancellation facility is chargeable with minimum amount and can help you save a lot at the time sudden cancellations.