Cheap flights from Seattle to Washington, D.C. from £109

Cheap flights from Seattle to Washington, D.C. from £109

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Direct
Sat, Sep 5
Seattle SEAWashington, D.C. BWI
£109
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Direct
Tue, Sep 1
Seattle SEAWashington, D.C. BWI
£109
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Direct
Sat, Sep 5
Seattle SEAWashington, D.C. BWI
£109
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Direct
Wed, Sep 2
Seattle SEAWashington, D.C. BWI
£109
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Direct
Wed, Sep 2
Seattle SEAWashington, D.C. IAD
£126
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Direct
Sat, Sep 5
Seattle SEAWashington, D.C. IAD
£126
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Direct
Sat, Sep 5 – Wed, Sep 9
Seattle SEAWashington, D.C. BWI
£219
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Direct
Sat, Sep 5 – Thu, Sep 10
Seattle SEAWashington, D.C. BWI
£219
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Direct
Sat, Sep 5 – Mon, Sep 7
Seattle SEAWashington, D.C. BWI
£221
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Direct
Wed, Sep 2 – Sat, Sep 5
Seattle SEAWashington, D.C. BWI
£221
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Direct
Sat, Sep 5 – Tue, Sep 8
Seattle SEAWashington, D.C. BWI
£221
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Direct
Tue, Sep 1 – Sat, Sep 5
Seattle SEAWashington, D.C. BWI
£221
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£109

Cheapest nonstop round-trip

£202

Cheapest round-trip

£219

Average round-trip

£341

Nonstop flights in August

£233 – £652

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

Fastest options: Metro from DCA. Best value: Metro and bus services from all airports.

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.

How to get from Ronald Reagan Washington National Airport (DCA) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

15-20 min

$2 – $6; varies by destination and time of day

every 8–12 min (traffic dependent)

fastest and most affordable

15-30 min

$15 – $25; metered; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door convenience

How to get from Washington Dulles International Airport (IAD) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

45-60 min

$6; flat fare to downtown

every 8–15 min (traffic dependent)

budget travelers

20-30 min

$5; to Wiehle-Reston East Metro

every 20 min (traffic dependent)

connecting to Metro

45-75 min

$65 – $85; metered; varies by traffic

on-demand 24/7 (traffic dependent)

groups with luggage

How to get from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

35-45 min

$8; one-way fare

hourly weekdays (traffic dependent)

commuters to Union Station

30-40 min

$15 – $50; varies by train type and booking time

multiple daily (traffic dependent)

comfort and speed

50-90 min

$90 – $110; metered; varies by traffic

on-demand 24/7 (traffic dependent)

late night arrivals

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
Seattle–Tacoma International
Arrive to
Washington Dulles International
Average flights per week
400
Flight distance
3752 km
Worth visiting
Lincoln Memorial - National Mall

Weekly direct flights

Discover the top airlines offering direct flights from Seattle to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 17.08Tue 18.08Wed 19.08Thu 20.08Fri 21.08Sat 22.08Sun 23.08
Alaska Airlines
4777777
Hawaiian Airlines
---------------------
United Airlines
2112222
Weekly flights: 58 totalDaily flights: 8.29 averageMost flights: Tuesday 7 flights
AirlineMon 24.08Tue 25.08Wed 26.08Thu 27.08Fri 28.08Sat 29.08Sun 30.08
Alaska Airlines
7777777
Hawaiian Airlines
---------------------
United Airlines
2122222
Weekly flights: 62 totalDaily flights: 8.86 averageMost flights: Monday 7 flights
AirlineMon 31.08Tue 01.09Wed 02.09Thu 03.09Fri 04.09Sat 05.09Sun 06.09
Alaska Airlines
7777777
Hawaiian Airlines
---------------------
United Airlines
2122222
Weekly flights: 62 totalDaily flights: 8.86 averageMost flights: Monday 7 flights
AirlineMon 07.09Tue 08.09Wed 09.09Thu 10.09Fri 11.09Sat 12.09Sun 13.09
Alaska Airlines
777------------
Hawaiian Airlines
---------------------
United Airlines
212------------
Weekly flights: 26 totalDaily flights: 8.67 averageMost flights: Monday 7 flights

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

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
United AirlinesUALUANo
Alaska AirlinesASAASNo
JetBlue AirwaysJBUB6No
Air Excursions X4No

Online check-in is not available for these airlines.

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-2°C
February7°C0°C
March12°C3°C
April18°C8°C
May23°C13°C
June28°C18°C
July31°C21°C
August30°C20°C
September26°C17°C
October19°C11°C
November12°C4°C
December7°C1°C
Hottest Month
31°C
July
Coldest month
-2°C
January
Sunny days
266
days per year
Snow days
10
days per year

14 day forecast

Sunday
23 Aug
64%
30°C19°C
30 Aug
37%
34°C22°C
Monday
24 Aug
29°C18°C
31 Aug
39%
31°C22°C
Tuesday
25 Aug
30°C18°C
1 Sep
36%
34°C21°C
Wednesday
26 Aug
17%
32°C19°C
2 Sep
33°C22°C
Thursday
27 Aug
76%
25°C21°C
3 Sep
17%
34°C24°C
Friday
28 Aug
18%
32°C20°C
4 Sep
27%
33°C24°C
Saturday
29 Aug
39%
33°C23°C
5 Sep
80%
31°C23°C

Washington, D.C. travel tips

Step into Georgetown, Washington's most respectable neighbourhood

The Georgetown area was created in the middle of the 18th century and is considered the oldest place in the city. It is a prestigious and expensive area. The streets of Georgetown are full of expensive shops and old mansions. Many young people can be found on the streets, as the university with the same name is located here.

If you want to save money, rent accommodation in cities nearby, not in Washington DC

If you are travelling to Washington, one of the budget accommodation options is to live in the nearby town of Arlington and get to downtown Washington in 15-20 minutes by metro. Housing prices there are almost twice as low as in Washington.

It is customary in Washington to drink iced black tea without sugar

There are not many good coffee shops in Washington DC because the locals prefer tea as a tribute to the English past. However, tea is often drunk here cold, with ice, lemon, or milk, and without sugar.

Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Washington, D.C.. Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between Seattle and Washington, D.C. is 3752 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Alaska Airlines, JetBlue Airways, and Air Excursions. Seattle 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

How long does it take to travel from Seattle to Washington, D.C.?

A one-way nonstop (direct) flight between Seattle and Washington, D.C. takes around 5.1 hours.

What is the flight distance between Seattle and Washington, D.C.?

The flight distance between Seattle and Washington, D.C. is 3752 km.

What airlines offer nonstop (direct) flights between Seattle and Washington, D.C.?

Several carriers operate flights between Seattle and Washington, D.C.. Airlines offering nonstop (direct) flights include Alaska Airlines, United Airlines, Hawaiian Airlines.

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.

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, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.

Which airports are there in Seattle?

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Boeing Field, Kenmore Air Harbor Seaplane Base.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Abbotsford International, Bellingham International, Yakima Air Terminal, Paine Field Everett, Pangborn Memorial, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB.

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, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Altoona–Blair County, Lancaster.

Which airlines fly between Seattle and Washington, D.C.?

Currently, you can fly between Seattle and Washington, D.C. with Frontier Airlines, United Airlines, Alaska Airlines, JetBlue Airways, Air Excursions.

When’s the best time to travel between Seattle and Washington, D.C.?

What flights operate between Seattle and Washington, D.C.?

How many airports are there near Seattle?

How many airports are there near Washington, D.C.?

What time do nonstop (direct) flights between Seattle and Washington, D.C. depart?

What time do nonstop (direct) flights between Seattle and Washington, D.C. arrive?

What time do flights between Seattle and Washington, D.C. depart?

What time do flights between Seattle and Washington, D.C. arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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