Cheap flights from London Heathrow Airport to Washington from £280
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Washington departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights
These are some of the best return flight deals from London Heathrow Airport to Washington that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Washington.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to Washington? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Washington, so you can enjoy a seamless trip without stopovers.
American Airlines flights from London Heathrow Airport to State of Washington
Our best American Airlines deals on London Heathrow Airport to State of Washington flight tickets
American Airlines![American Airlines]()
18 Jun![American Airlines]()
23 Jun
LHR09:30London Heathrow
14h 30m
1 stop
SEA16:00Seattle/Tacoma Intl
SEA17:40Seattle/Tacoma Intl
13h 30m
1 stop
LHR15:10London Heathrow
American Airlines![American Airlines]()
8 May![American Airlines]()
22 May
LHR09:50London Heathrow
9h 45m
SEA11:35Seattle/Tacoma Intl
SEA07:20Seattle/Tacoma Intl
21h 10m
1 stop
LHR12:30London Heathrow
British Airways flights from London Heathrow Airport to State of Washington
Our best British Airways deals on London Heathrow Airport to State of Washington flight tickets
British Airways![British Airways]()
3 Sept![British Airways]()
17 Sept
LHR06:15London Heathrow
19h 35m
1 stop
SEA17:50Seattle/Tacoma Intl
SEA19:35Seattle/Tacoma Intl
16h 45m
1 stop
LHR20:20London Heathrow
British Airways![British Airways]()
11 Sept![British Airways]()
25 Sept
LHR07:40London Heathrow
18h 10m
1 stop
SEA17:50Seattle/Tacoma Intl
SEA20:20Seattle/Tacoma Intl
9h 20m
LHR13:40London Heathrow
See travel insights to Washington from
How to get the cheapest flight ticket from London Heathrow Airport to State of Washington
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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Other information
What is the cheapest month to fly to State of Washington?
If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £515.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from London Heathrow Airport to State of Washington is on a Tuesday. Travellers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as £618. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is £744.
What is the cheapest time of day to depart on your flight to State of Washington?
Flying to State of Washington from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £522 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to State of Washington is in the morning when prices are around £671.
What is the cheapest London Heathrow to Washington flight route?
Fly from London Heathrow to Seattle/Tacoma Intl for the best London Heathrow - Washington flight prices
How far in advance should I book a flight to State of Washington?
You are more likely to see cheaper flights to State of Washington from London Heathrow Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £587 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from London Heathrow Airport for as low as £525 on momondo.
What cabin class options are available on London Heathrow to Washington flights?
There are 4 cabin classes available to choose from on London Heathrow to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Washington?
Aer Lingus, WestJet, and Icelandair are the most popular carriers operating from London Heathrow to Washington
Which airlines fly to State of Washington?
Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to State of Washington from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 56% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 13 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to State of Washington on average per day?
As of May 2025, 26 flights take off from London Heathrow Airport and land in State of Washington each day. The most common flight departure time for this route is 16:00, with 68% of daily flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to State of Washington on average per week?
As of May 2025, 186 flights take off from London Heathrow Airport and land in State of Washington each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.
Cheap London Heathrow Airport to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to State of Washington
Best price found | £280 |
|---|---|
Fastest flight time | 9h 45m |
Direct flights | Every day |
Airports in State of Washington | 2 airports |
When did momondo last update prices for flights from London Heathrow Airport to Washington?
Prices for flights from London Heathrow Airport to Washington refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Washington?
The number of operators available for flights from London Heathrow Airport to Washington is 13 as of May 2025.
How old do you have to be to fly from London Heathrow Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to State of Washington?
Based on momondo bookings for flights between London Heathrow Airport and State of Washington, the leading plane model is Boeing 787-10 Dreamliner, making up 28.22% of the total bookings. Other popular models include Airbus A330-900neo with 24.33%, Boeing 777-300ER with 15.31%, and Boeing 787-9 Dreamliner with 13.98%.
Best airlines flying from London Heathrow Airport to State of Washington
Compare and see reviews for airlines that fly from London Heathrow Airport to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £8 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom £368 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom £387 | Free Cancellation | Rating 7.4 1,446 reviews | |||
| PriceFrom £397 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom £401 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom £409 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom £416 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom £434 | Free Cancellation | Rating 6.6 6,845 reviews | |||
| PriceFrom £447 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom £452 | Free Cancellation | Rating 7.4 643 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Washington?
It is quick and easy to find London to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.
Can I find flights from London to Washington with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Washington flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Washington?
Once you have performed a search for London to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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