Cheap flights from Heathrow to Washington

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How to find the cheapest flight from
Heathrow (LHR) to Washington

All the information you need to plan the best LHR to SEA flight in 2022: compare Heathrow to Washington flight prices with the expected peak season, weather and rainfall in Washington.
When is the cheapest time to fly from London Heathrow Airport to State of Washington (LHR - WA)?

When flying from London Heathrow Airport to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest month to fly from London Heathrow Airport to State of Washington?

February can be a great time to fly to State of Washington from London Heathrow Airport with a flight ticket averaging about £552. Cheapflights users have found deals in the month of February for as cheap as £396. The most expensive prices can be found in the month of December.

How far in advance should I book a flight from London Heathrow Airport to State of Washington?

To save on the cost of your flight from London Heathrow Airport to State of Washington, book at least 61 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £617 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £688.

Cheap flights from Heathrow to Washington in June, July 2022

The best prices found for LHR to Washington flights in June, July
6 Jul - 13 Jul
£595pp
LHR
London Heathrow
Multiple airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Iberia
 
1 STOP
LHR
London Heathrow
6 Jul - 13 Jul
£610pp
LHR
London Heathrow
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
LHR
London Heathrow
7 Jul - 14 Jul
£613pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow

London Heathrow to Washington 2022 flight deals

Cheap flights to Washington from Heathrow found for this year
10 Dec - 8 Jan
£426pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
15 Dec - 30 Dec
£426pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
14 Sep - 21 Sep
£431pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow

Direct flights to Washington from Heathrow

Save time with Heathrow to Washington direct flight deals
9 Nov - 17 Nov
£460pp
LHR
London Heathrow
Finnair
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Finnair
Direct
LHR
London Heathrow
3 Oct - 3 Nov
£477pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow
19 Nov - 30 Nov
£488pp
LHR
London Heathrow
Finnair
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Finnair
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to Washington

Late deals on return flights to Washington from Heathrow, departing today and this week
30 Jun - 6 Jul
£635pp
LHR
London Heathrow
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
LHR
London Heathrow
30 Jun - 7 Jul
£653pp
LHR
London Heathrow
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
LHR
London Heathrow
1 Jul - 4 Jul
£663pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow

One-way flights to Washington from London Heathrow

The cheapest one-way flights from Heathrow to Washington
22:30 - 11:26
Major Airline
2 stops
20h 56m
LHR - SEA
Major Airline
£374
JustFly
11:10 - 13:30
Virgin Atlantic
Direct
10h 20m
LHR - SEA
Virgin Atlantic
£421
StudentUniverse
10:10 - 05:26
WestJet
2 stops
51h 16m
LHR - SEA
WestJet

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From Heathrow to Washington

Which airlines flying from London Heathrow to Washington have flexible cancellations due to COVID-19?

Virgin Atlantic, British Airways, and Finnair are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from London Heathrow Airport to State of Washington for under £500 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to State of Washington for under £500. The cheapest flight booked recently is on Icelandair for just £426, but on average you can expect to pay £446.

Are there nonstop flights from London Heathrow Airport to State of Washington for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London Heathrow Airport to State of Washington under £500. A good price for a nonstop flight from London Heathrow Airport to State of Washington is less than £510.

Are there last-minute flights available from London Heathrow Airport to State of Washington for under £700?

There are currently 20+ open flights from London Heathrow Airport to State of Washington within the next 7 days for less than £700.

What days are nonstop flights available from London Heathrow Airport to State of Washington?

Days when nonstop flights are available for this flight are: Wednesday.

How many flights depart from London Heathrow Airport to State of Washington on average per day?

Travelers can expect 3 flights from London Heathrow Airport to State of Washington on average per day.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from London Heathrow Airport to State of Washington?

Icelandair, Lufthansa, and United Airlines can get you from London Heathrow Airport to State of Washington in just under 12h 50m. Your travel time can differ by up to 11h 23m. The distance from London Heathrow Airport to State of Washington is about 4812 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from London Heathrow Airport to State of Washington one-way?

One-way options have recently been found by users for as low as £374 on Major Airline. Other airlines that offer cheap prices include WestJet from £381 and Virgin Atlantic from £386 one-way.

What are the most reliable airlines from London Heathrow Airport to State of Washington?

The top 3 most reliable airlines when flying from London Heathrow Airport to State of Washington are American Airlines (69%), Aer Lingus (69%) and Finnair (69%).

What are the cheapest flights from London Heathrow Airport to State of Washington?

Looking for the cheapest flight from London Heathrow Airport to State of Washington? While on average our users pay £726, our data indicates the cheapest price to be £393. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £426.

What are the most popular routes from London Heathrow Airport to State of Washington?

When deciding which route to take from London Heathrow Airport to State of Washington consider London Heathrow - Seattle/Tacoma Intl, London Heathrow - Spokane or London Heathrow - Bellingham as they are the most popular.

What are the most popular airlines that fly from London Heathrow Airport to State of Washington?

When booking a flight from London Heathrow Airport to State of Washington, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Washington (WA)

Do I need a COVID test to fly to Washington from Heathrow?

Information is based on travel restrictions from London Heathrow to Washington

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from London Heathrow are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Washington.

Do I need a test to fly back to Heathrow from Washington?

Returning to London Heathrow from Washington

COVID-19 testing requirements
Visitors from Washington are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for Washington (WA)

Destination points for flights from Heathrow to Washington

Select to see more specific information for flights from Heathrow to all places in Washington.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Heathrow to Washington.
Today's exchange rate
£1 = $1.23
Flight duration from London Heathrow to Washington
9h 35m

Airports servicing London

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Top 10 airlines flying from London Heathrow to Washington

The chart below displays the airlines Cheapflights users travelling from Heathrow to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Icelandair
£370 £448 No cancel fee 76%
Search Icelandair flights
American Airlines
£376 £657 No cancel fee 71%
Search American Airlines flights
Delta
£379 £603 No cancel fee N/A
Search Delta flights
United Airlines
£380 £699 No cancel fee 69%
Search United Airlines flights
Lufthansa
£418 £552 No cancel fee 76%
Search Lufthansa flights
Air Canada
£426 £553 No cancel fee 67%
Search Air Canada flights
British Airways
£440 £778 No cancel fee 70%
Search British Airways flights
Finnair
£441 £609 No cancel fee 76%
Search Finnair flights
Virgin Atlantic
£441 £735 No cancel fee 72%
Search Virgin Atlantic flights
Aer Lingus
£446 £674 No cancel fee N/A
Search Aer Lingus flights
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