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 2021: compare Heathrow to Washington flight prices with the expected peak season, weather and rainfall in Washington.
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 £396. Cheapflights users have found deals in the month of February for as cheap as £261. The most expensive prices can be found in the month of July.

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 52 days before your planned departure. Booking around this time can save you about 51% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £448 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £587.

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.

Cheap flights from Heathrow to Washington in October, November 2021

The best prices found for LHR to Washington flights in October, November
22 Nov - 30 Nov
£195pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
22 Nov - 30 Nov
£209pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
18 Nov - 4 Dec
£225pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow

London Heathrow to Washington 2021 flight deals

Cheap flights to Washington from Heathrow found for this year
22 Nov - 30 Nov
£195pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
22 Nov - 30 Nov
£209pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
18 Nov - 4 Dec
£225pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow

Direct flights to Washington from Heathrow

Save time with Heathrow to Washington direct flight deals
1 Mar - 29 Mar
£354pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow
22 Nov - 30 Nov
£371pp
LHR
London Heathrow
Multiple airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Finnair
Direct
LHR
London Heathrow
10 Jan - 24 Jan
£372pp
LHR
London Heathrow
Multiple airlines
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
27 Oct - 12 Nov
£477pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
LHR
London Heathrow
27 Oct - 12 Nov
£478pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
29 Oct - 13 Nov
£479pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to Washington from London Heathrow

The cheapest one-way flights from Heathrow to Washington
08:10 - 10:00
British Airways
Direct
9h 50m
LHR - SEA
British Airways
£148
Netflights
01:55 - 17:33
SWISS
2 stops
23h 38m
LHR - SEA
SWISS
£374
Kiwi.com
08:10 - 09:50
Finnair
Direct
9h 40m
LHR - SEA
Finnair
£380
Kiwi.com

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?

British Airways, Virgin Atlantic, and United Airlines 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 £200 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to State of Washington for under £200. The cheapest flight booked recently is on Virgin Atlantic for just £195, but on average you can expect to pay £309.

Are there direct flights from London Heathrow Airport to State of Washington for under £400 on Cheapflights?

Cheapflights has 20 direct flights from London Heathrow Airport to State of Washington under £400. A good price for a direct flight from London Heathrow Airport to State of Washington is less than £386.

Are there last-minute flights available from London Heathrow Airport to State of Washington for under £500?

There are currently 20+ open flights from London Heathrow Airport to State of Washington within the next 7 days for less than £500.

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 £148 on British Airways. Other airlines that offer cheap prices include SWISS from £355 and Finnair from £366 one-way.

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 - Pasco Tri Cities, 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.

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 Alaska Airlines (94%), American Airlines (76%) and Finnair (76%).

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 £1,205, our data indicates the cheapest price to be £282. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £191.

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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 will not be allowed to enter Washington.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.
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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
Austrian Airlines
£225 £318 No cancel fee 78%
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United Airlines
£243 £388 No cancel fee 69%
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Air Canada
£259 £459 No cancel fee 67%
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Lufthansa
£271 £452 No cancel fee 76%
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KLM
£281 £505 No cancel fee 75%
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Iberia
£291 £500 No cancel fee 77%
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Virgin Atlantic
£293 £579 No cancel fee 72%
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American Airlines
£295 £483 No cancel fee 71%
Search American Airlines flights
Delta
£297 £725 No cancel fee N/A
Search Delta flights
Air France
£301 £552 No cancel fee 77%
Search Air France flights
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