Cheap flights from Ko Samui to Washington, D.C. from £927

Cheap flights from Ko Samui to Washington, D.C. from £927

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3 stops
Mon, May 4
Ko Samui USMWashington, D.C. IAD

£927
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2 stops
Sun, May 3 – Fri, May 8
Ko Samui USMWashington, D.C. IAD

£1,194
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2 stops
Sun, May 3 – Fri, May 8
Ko Samui USMWashington, D.C. IAD

£1,227
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2 stops
Sun, May 3 – Sun, May 10
Ko Samui USMWashington, D.C. IAD

£1,232
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2 stops
Sun, May 3 – Sun, May 10
Ko Samui USMWashington, D.C. IAD

£1,266
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How much do flights to Washington, D.C. cost?

Getting from Washington, D.C. airports to the city center

Washington, D.C. is served by three major airports, each offering various airport transfers to city center destinations. Ronald Reagan Washington National Airport (DCA) is the closest, located just 6 km south of downtown across the Potomac River. Washington Dulles International Airport (IAD) lies 42 km west of the city center in Virginia. Baltimore/Washington International Thurgood Marshall Airport (BWI) is 50 km northeast in Maryland. Transport options include Metro rail, commuter trains, express buses, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

From Ronald Reagan Washington National Airport (DCA)

From Washington Dulles International Airport (IAD)

From Baltimore/Washington International Thurgood Marshall Airport (BWI)

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Metro fares vary by distance and time of day; use SmarTrip card for best rates.
  • MARC trains operate primarily on weekdays with limited weekend service.
  • Taxi and ride-hailing prices vary with demand and traffic conditions.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Washington, D.C.

Depart from
Samui
Arrive to
Washington Dulles International
Average flights per week
400
Flight distance
Worth visiting
Lincoln Memorial - National Mall

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

NameCarrier codeIATA CodePassport needed during booking
Bangkok AirwaysBKPPGNo
Alaska AirlinesASAASNo
Qatar AirwaysQTRQRYes
Thai AirwaysTHATGNo
Cathay PacificCPACXNo

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-2°C
February7°C0°C
March13°C3°C
April19°C8°C
May23°C13°C
June29°C18°C
July32°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
32°C
July
Coldest month
-2°C
January
Sunny days
266
days per year
Snow days
8
days per year

14 day forecast

Sunday
26 Apr
85%
14°C7°C
3 May
11°C4°C
Monday
27 Apr
19°C6°C
4 May
13°C8°C
Tuesday
28 Apr
18°C7°C
5 May
17°C9°C
Wednesday
29 Apr
83%
17°C11°C
6 May
21°C8°C
Thursday
30 Apr
15°C8°C
7 May
22°C8°C
Friday
1 May
16°C4°C
8 May
27°C12°C
Saturday
2 May
16°C4°C
9 May
81%
27°C15°C
Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The most popular airlines for this route are Bangkok Airways, Alaska Airlines, Qatar Airways, Thai Airways, and Cathay Pacific. Ko Samui and Washington, D.C. have 400 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Frequently asked questions

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What are the most popular routes to and from Washington, D.C.?
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What airports are near Washington, D.C.?
Which airlines fly between Ko Samui and Washington, D.C.?
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What flights operate between Ko Samui and Washington, D.C.?
How many airports are there near Ko Samui?
How many airports are there near Washington, D.C.?
What time do nonstop (direct) flights between Ko Samui and Washington, D.C. depart?
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What time do flights between Ko Samui and Washington, D.C. depart?
What time do flights between Ko Samui and Washington, D.C. arrive?

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