Cheap Flights from Washington to United Kingdom

Expected price increase 20%
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Average price per month


  • Low Season: December
  • High Season: March
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in December, October and January.
  • High season months are June, May and March. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Washington to United Kingdom is currently 56% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 39% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 57 days before departure!
  • Consider booking at least 23 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Washington to United Kingdom Flight Information

Flights Depart FromWashington (SEA)
Flights Arriving ToUnited Kingdom (LHR)
Distance7704.86 km
Current Discount56 %
Average Price $1492.01
Good Deal $680.77
Cheapest AirlinesIcelandair, Air France, United Airlines
Popular AirlinesTurkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, British Airways, Icelandair, SAS, Air Canada
Flight Duration09 hours 52 minutes
Flights Depart From
Washington (SEA)
Flights Arrive In
United Kingdom (LHR)
Distance
7704.86 km
Flight Duration
09 hours 52 minutes
Current Discount
56 %
Average Price
$1492.01
Good Deal
$680.77
Cheapest Airlines
Icelandair, Air France, United Airlines
Popular Airlines
Turkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, British Airways, Icelandair, SAS, Air Canada

Most Reliable Airlines flying to United Kingdom

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Turkish Airlines Turkish Airlines 3.9 3.5 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
Finnair Finnair 3.7 4.0 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Lufthansa Lufthansa 3.7 3.5 4.0 4.0 4.0 3.5 3.5 3.5 3.5
Aer Lingus Aer Lingus 3.6 - 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Air France Air France 3.6 4.0 3.5 4.0 3.5 3.5 3.5 3.5 3.5
British Airways British Airways 3.6 4.0 4.0 4.0 3.5 3.0 3.0 3.5 3.5
Icelandair Icelandair 3.6 3.5 3.5 4.0 4.0 3.0 3.5 3.5 3.5
SAS SAS 3.6 4.0 4.0 4.0 4.0 3.0 2.5 3.5 3.5
Air Canada Air Canada 3.4 3.5 3.5 3.5 3.5 3.0 3.5 3.5 3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
-
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.0
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5

Good to know:


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How to get the cheapest flight to United Kingdom?

Currently there is a 56% discount on flights to United Kingdom. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 20%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Washington to United Kingdom: Icelandair, Air France and United Airlines..

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Frequently Asked Questions

  • How long is a direct flight from Washington to United Kingdom?A direct flight from Washington to United Kingdom takes roughly 09 hours 52 minutes.
  • How many direct flights are there between Washington to United Kingdom daily?On average, there are 16 direct flights from Washington to United Kingdom each day.
  • Which airlines offer cheap airfare from Washington to United Kingdom?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Icelandair, Air France and United Airlines.
  • Do I need my passport to fly from Washington to United Kingdom?Yes, you most certainly do.
  • Which airlines fly from Washington to United Kingdom most often?Turkish Airlines, Delta Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, British Airways, Icelandair, SAS and Air Canada are the top.
  • What's the cheapest day to fly from Washington to United Kingdom?That depends. Recently, the cheapest day to fly from Washington to United Kingdom has been Wednesday. And the cheapest return flight from Wednesday has been. That said, the cheapest departure days are constantly changing.
  • Which airport will I be flying from in Washington?When departing from Washington you'll be flying out of Seattle-Tacoma International.
  • Which airport will I be flying from in United Kingdom?When departing from United Kingdom you'll be flying out of Heathrow.
  • How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
  • Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
  • How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
  • Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
  • Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
  • How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
  • Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
  • Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
  • How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.