Cheap flights from Seattle to Washington, D.C. from £123

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Direct
Fri, Oct 30
Seattle SEAWashington, D.C. IAD
£123
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Direct
Tue, Oct 27
Seattle SEAWashington, D.C. IAD
£123
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Direct
Thu, Oct 29
Seattle SEAWashington, D.C. IAD
£123
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Direct
Wed, Oct 28
Seattle SEAWashington, D.C. IAD
£123
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Direct
Thu, Oct 29
Seattle SEAWashington, D.C. IAD
£123
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Direct
Fri, Oct 30
Seattle SEAWashington, D.C. IAD
£123
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Direct
Tue, Oct 27 – Sat, Oct 31
Seattle SEAWashington, D.C. IAD
£222
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Direct
Tue, Oct 27 – Sat, Oct 31
Seattle SEAWashington, D.C. IAD
£222
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Direct
Fri, Oct 30 – Mon, Nov 2
Seattle SEAWashington, D.C. IAD
£222
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Direct
Thu, Oct 29 – Mon, Nov 2
Seattle SEAWashington, D.C. IAD
£222
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Direct
Thu, Oct 29 – Mon, Nov 2
Seattle SEAWashington, D.C. IAD
£222
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Direct
Fri, Oct 30 – Wed, Nov 4
Seattle SEAWashington, D.C. IAD
£222
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£123

Cheapest nonstop round-trip

£375

Cheapest round-trip

£222

Average round-trip

£429

Nonstop flights in October

£250 – £648

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
395
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 05.10Tue 06.10Wed 07.10Thu 08.10Fri 09.10Sat 10.10Sun 11.10
Alaska Airlines
7645657
United Airlines
---------2222
Weekly flights: 48 totalDaily flights: 6.86 averageMost flights: Monday 7 flights
AirlineMon 12.10Tue 13.10Wed 14.10Thu 15.10Fri 16.10Sat 17.10Sun 18.10
Alaska Airlines
6665757
United Airlines
1222222
Weekly flights: 55 totalDaily flights: 7.86 averageMost flights: Friday 7 flights
AirlineMon 19.10Tue 20.10Wed 21.10Thu 22.10Fri 23.10Sat 24.10Sun 25.10
Alaska Airlines
6667657
United Airlines
2222222
Weekly flights: 57 totalDaily flights: 8.14 averageMost flights: Thursday 7 flights
AirlineMon 26.10Tue 27.10Wed 28.10Thu 29.10Fri 30.10Sat 31.10Sun 01.11
Alaska Airlines
7667746
United Airlines
2222212
Weekly flights: 56 totalDaily flights: 8 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
-

Online check-in is not available for these airlines.

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
4 Oct
54%
17°C16°C
11 Oct
12%
22°C14°C
Monday
5 Oct
22°C14°C
12 Oct
36%
21°C16°C
Tuesday
6 Oct
21°C10°C
13 Oct
75%
20°C16°C
Wednesday
7 Oct
25°C11°C
14 Oct
12%
23°C18°C
Thursday
8 Oct
27°C14°C
15 Oct
29%
24°C16°C
Friday
9 Oct
23°C16°C
16 Oct
91%
22°C11°C
Saturday
10 Oct
24°C13°C
17 Oct
14°C8°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, , and JetBlue Airways. Seattle and Washington, D.C. have 395 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 United Airlines, Alaska 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 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, Paine Field Everett, Pangborn Memorial, Yakima Air Terminal, 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, Lancaster, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional.

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.

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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