Cheap flights from Washington, D.C. to Ko Samui from £471

Cheap flights from Washington, D.C. to Ko Samui from £471

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2 stops
Tue, May 5
Washington, D.C. IADKo Samui USM
£471
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2 stops
Sat, May 9
Washington, D.C. IADKo Samui USM
£541
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2 stops
Sat, May 9
Washington, D.C. IADKo Samui USM
£541
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2 stops
Sat, May 9
Washington, D.C. IADKo Samui USM
£541
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2 stops
Sat, May 9
Washington, D.C. IADKo Samui USM
£541
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2 stops
Mon, May 4
Washington, D.C. IADKo Samui USM
£603
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,152
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,152
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,152
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,152
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,161
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2 stops
Mon, May 4 – Sat, May 9
Washington, D.C. IADKo Samui USM
£1,161
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How much do flights to Ko Samui cost?

Cheapest one-way trip

£471

Cheapest round-trip

£1,152

Average round-trip

£1,471

Includes rare itinerary

Travel hack

Most popular airline

Bangkok Airways

Getting from Ko Samui airport to the city center

Fastest options: taxi and private transfer. Best value: shared minivan and songthaew.

Ko Samui is served by Samui International Airport (USM), a privately owned airport located approximately 2 km north of Chaweng, the island's main tourist hub. The airport sits about 4 km from Nathon, the administrative center of the island. Airport transfers to city center destinations on Ko Samui are straightforward, with options including taxis, shared minivans, songthaews (local pickup trucks), private transfers, and rental cars. Journey times are generally short due to the compact size of the island, though travel times can vary depending on your final destination and traffic conditions.

Transport Option

Typical time

Typical cost

Frequency

Best for

10-30 min

฿300-฿700 (fixed rates by zone; varies by destination)

on-demand 24/7 (traffic dependent)

convenience and speed

15-45 min

฿150-฿250 (per person; multiple stops)

departures based on flight arrivals (traffic dependent)

budget travelers

20-60 min

฿50-฿150 (per person; shared ride with multiple stops)

irregular; available outside airport area (traffic dependent)

local experience on budget

10-30 min

฿500-฿1,500 (per vehicle; varies by destination and vehicle type)

pre-booked (traffic dependent)

families and groups

10-40 min

฿0-฿500 (often complimentary for resort guests; check with hotel)

scheduled with hotel (traffic dependent)

resort guests

10-30 min

฿800-฿2,000 (per day; varies by vehicle type)

available at airport (traffic dependent)

exploring the island

Notes:

  • Prices in THB (approximately 35 THB = 1 USD); table created in 2025 and subject to change.
  • Samui International Airport is privately owned by Bangkok Airways, which may affect service availability.
  • Songthaews are not available directly at the airport; walk to the main road to find them.
  • Many resorts offer complimentary airport transfers; confirm with your accommodation before arrival.
  • Road conditions on Ko Samui can be hilly and winding; allow extra time during peak season.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Ko Samui

Depart from
Washington Dulles International
Arrive to
Samui
Average flights per week
400
Flight distance

Check-in for a flight from Washington, D.C. to Ko Samui

NameCarrier codeIATA CodePassport needed during booking
Bangkok AirwaysBKPPGNo
Turkish AirlinesTHYTKNo
Etihad AirwaysETDEYNo
Qatar AirwaysQTRQRYes
Cathay PacificCPACXNo

Online check-in is not available for these airlines.

Weather in Ko Samui

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C26°C
February27°C26°C
March28°C27°C
April29°C28°C
May30°C28°C
June29°C28°C
July29°C27°C
August29°C27°C
September29°C27°C
October28°C27°C
November28°C26°C
December27°C26°C
Hottest Month
30°C
May
Coldest month
26°C
January
Sunny days
191
days per year

14 day forecast

Saturday
11 Apr
85%
29°C28°C
18 Apr
65%
29°C28°C
Sunday
12 Apr
29°C28°C
19 Apr
75%
29°C27°C
Monday
13 Apr
89%
30°C28°C
20 Apr
81%
29°C28°C
Tuesday
14 Apr
83%
30°C29°C
21 Apr
85%
29°C28°C
Wednesday
15 Apr
86%
29°C28°C
22 Apr
82%
29°C29°C
Thursday
16 Apr
29°C28°C
23 Apr
89%
29°C28°C
Friday
17 Apr
62%
29°C28°C
24 Apr
75%
29°C28°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Ko Samui. The most popular airlines for this route are Bangkok Airways, Turkish Airlines, Etihad Airways, Qatar Airways, and Cathay Pacific. Washington, D.C. and Ko Samui have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.
What are the most popular routes to and from Ko Samui?
Travelers frequently search for route combinations, such as Ko Samui and London, Bangkok, Chiang Mai, Phuket Province, Phuket City, Bali, Singapore, Manchester, Denpasar, Kuala Lumpur, Ho Chi Minh City, Tel Aviv, Krabi, Da Nang, Manila, Hanoi, Dubai, Brisbane, Perth, Colombo.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Atlantic City International, Richmond International, Lehigh Valley International, Harrisburg International, Trenton–Mercer, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional.
What airports are near Ko Samui?
The main airport in Ko Samui is Samui. It is also served by Samui, Surat Thani International, Nakhon Si Thammarat.
Which airlines fly between Washington, D.C. and Ko Samui?
Currently, you can fly between Washington, D.C. and Ko Samui with Bangkok Airways, Turkish Airlines, Etihad Airways, Qatar Airways, Cathay Pacific.
When’s the best time to travel between Washington, D.C. and Ko Samui?
If you don’t have specific dates for your trip between Washington, D.C. and Ko Samui, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Washington, D.C. and Ko Samui?
Traveling between Washington, D.C. and Ko Samui, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Washington, D.C.?
There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Atlantic City International, Richmond International, Lehigh Valley International, Harrisburg International, Trenton–Mercer, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional
How many airports are there near Ko Samui?
What time do nonstop (direct) flights between Washington, D.C. and Ko Samui depart?
What time do nonstop (direct) flights between Washington, D.C. and Ko Samui arrive?
What time do flights between Washington, D.C. and Ko Samui depart?
What time do flights between Washington, D.C. and Ko Samui arrive?

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