£434 Cheap Flights to Washington

Popular airlines to Washington

  • Aer Lingus

    Aer Lingus

  • KLM

    KLM

  • British Airways

    British Airways

  • Virgin Atlantic

    Virgin Atlantic

  • Icelandair

    Icelandair

  • Lufthansa

    Lufthansa

  • Air France

    Air France

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in Washington

FlightsFlights

Seattle

Seattle

Cheap round-trip flights to Washington

Prices were available within the past 7 days and start at £434 for one-way flights and £395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 10 May - Thu, 15 May
LGW
London
SEA
Seattle
£395 Return, just found
£395
Return
just found
Select Icelandair flight, departing Sat, 10 May from London to Seattle, returning Thu, 15 May, priced at £395 just found
American Airlines
Tue, 13 May - Wed, 21 May
LGW
London
SEA
Seattle
£462 Return, found 23 hours ago
£462
Return
found 23 hours ago
Select American Airlines flight, departing Tue, 13 May from London to Seattle, returning Wed, 21 May, priced at £462 found 23 hours ago
Icelandair
Thu, 8 May - Mon, 12 May
LGW
London
PDX
Portland
£462 Return, just found
£462
Return
just found
Select Icelandair flight, departing Thu, 8 May from London to Portland, returning Mon, 12 May, priced at £462 just found
Swiss International Air Lines
Fri, 12 Sep - Tue, 7 Oct
LGW
London
SEA
Seattle
£499 Return, found 1 day ago
£499
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 12 Sep from London to Seattle, returning Tue, 7 Oct, priced at £499 found 1 day ago
Iberia
Mon, 15 Sep - Tue, 23 Sep
LGW
London
SEA
Seattle
£503 Return, found 16 hours ago
£503
Return
found 16 hours ago
Select Iberia flight, departing Mon, 15 Sep from London to Seattle, returning Tue, 23 Sep, priced at £503 found 16 hours ago
JetBlue Airways
Mon, 15 Sep - Tue, 23 Sep
LGW
London
SEA
Seattle
£513 Return, found 16 hours ago
£513
Return
found 16 hours ago
Select JetBlue Airways flight, departing Mon, 15 Sep from London to Seattle, returning Tue, 23 Sep, priced at £513 found 16 hours ago
Finnair
Tue, 6 May - Sun, 11 May
LGW
London
SEA
Seattle
£519 Return, found 15 hours ago
£519
Return
found 15 hours ago
Select Finnair flight, departing Tue, 6 May from London to Seattle, returning Sun, 11 May, priced at £519 found 15 hours ago
British Airways
Thu, 8 May - Tue, 13 May
LGW
London
SEA
Seattle
£537 Return, found 1 day ago
£537
Return
found 1 day ago
Select British Airways flight, departing Thu, 8 May from London to Seattle, returning Tue, 13 May, priced at £537 found 1 day ago
Virgin Atlantic
Thu, 28 Aug - Thu, 4 Sep
LGW
London
SEA
Seattle
£545 Return, found 2 days ago
£545
Return
found 2 days ago
Select Virgin Atlantic flight, departing Thu, 28 Aug from London to Seattle, returning Thu, 4 Sep, priced at £545 found 2 days ago
Delta
Wed, 28 May - Tue, 24 Jun
LGW
London
SEA
Seattle
£551 Return, found 8 hours ago
£551
Return
found 8 hours ago
Select Delta flight, departing Wed, 28 May from London to Seattle, returning Tue, 24 Jun, priced at £551 found 8 hours ago

Top tips for booking flights to Washington from UK

Get ready to fly to Washington

Prepare your luggage and book your flights to Washington with Expedia. We offer a seamless flight booking experience, with a wide range of Washington plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Washington in 2025, we are always available to assist you. Book your flights to Washington today and let the adventure begin!

Find the best tickets to Washington

To find some of the best tickets to Washington in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Washington or last-minute flights to Washington, you can filter and sort your search results, making it easy to find the ideal flight to Washington.

Airlines fly to Washington

There are 20 different airlines that fly to Washington including some of the most trusted names in the business. To book flights to Washington with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Washington plane tickets.

Find the cheapest flights to Washington

By booking early you may find some of the best deals for Washington flights from the UK, including Washington direct flights. You can usually find affordable and cheap flights to Washington, whether one-way from £434 or round-trip from £395, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Washington

Try searching for different Washington airports with Expedia to find some of the cheapest flights to Washington. Flights from London (LGW) to Seattle (SEA) usually have the lowest price from £434.

Why book your flights to Washington with Expedia

Expedia offers great deals on Washington air fares from £434 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Washington from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Washington Flights Information

Airlines serving
Icelandair, JetBlue Airways, Air Europa, American Airlines, TAP Portugal, British Airways, Turkish Airlines, Swiss International Air Lines, Iberia, Finnair, Virgin Atlantic, Delta
Roundtrip price
from £395

Frequently asked questions

How do I find cheap flights to Washington that have flexible change policies?
At Expedia, we’ve been channeling our inner acrobat to give you the most flexible fares available. Simply mark the “No change fee” box right under the “Flexible change policies” filter to find the best flights to Washington.
Which airlines fly to Washington?
Book your seat with any of these airlines and buckle up for new adventures in Washington:

  • Alaska Airlines - 9,739 flights to or near Washington each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) and 676 flights to Spokane Intl. Airport (GEG) per month.
  • American Airlines - 8,039 flights to or near Washington each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 663 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 6,417 flights to or near Washington each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) and 1,516 flights to Ronald Reagan Washington National Airport (DCA) per month.

How can I find cheap tickets to Washington?
Start searching as early as possible, fly in or out of nearby airports, avoid peak travel periods — you’re not short of ways! One more is to make the most of Expedia’s “flexible dates” feature. Search for your Washington flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Washington was £395.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between £395 and £551 in the last seven days. For one-way journeys from London (LGW), the lowest amount paid during this time was £434.
What are the most popular airports to fly into in Washington?
Your budget, departure point and your chosen airline will help decide which of these major Washington airports you’ll touch down at:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Spokane Intl. Airport (GEG) - 1,742 flights per month.

When is the cheapest time to fly to Washington?
If you’re not fixed on what date you jet off to Washington, fly out early in the week. The cheapest day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the priciest day, with many holiday makers preferring to fly on the weekend.
How much is a plane ticket to Washington?
In the last seven days, plane tickets to Washington varied from £395 to £551.
What is the best time to go to Washington?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a lovely time to travel to the exciting Washington city of Seattle. Average temperatures range between 13ºC and 24ºC across the season. The biggest crowds can be found here in March, May and June.
What months are the cheapest to book a flight to Washington?
The top month to purchase budget fares to Washington is February. It’s worth noting that in the USA, the most expensive time to purchase a ticket is the festive month of December.

Trending flights to Washington

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 10 May - Thu, 15 May
LHR
London
SEA
Seattle
£440 Return, just found
£440
Return
just found
Select Icelandair flight, departing Sat, 10 May from London to Seattle, returning Thu, 15 May, priced at £440 just found
*Available to Expedia members.