Cheap flights from London Heathrow Airport to Washington from £288
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 28/9. 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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Icelandair flights from London Heathrow Airport to State of Washington
Our best Icelandair deals on London Heathrow Airport to State of Washington flight tickets
Scandinavian Airlines flights from London Heathrow Airport to State of Washington
Our best Scandinavian Airlines deals on London Heathrow Airport to State of Washington flight tickets
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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
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 £501.
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 £588. 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 £715.
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 £509 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 £633.
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 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £568 when searching weeks before you fly. 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 £509 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, Icelandair, and Scandinavian Airlines 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 54% 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 June 2025, 20 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 June 2025, 146 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 Wed, with 20% 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 | £288 |
|---|---|
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 14 as of June 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 Airbus A330-900neo, making up 25.92% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 24.76%, Boeing 777-300ER with 15.79%, and Boeing 787-9 Dreamliner with 9.89%.
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 £7 | Free Cancellation | Rating 7.1 1,133 reviews | |||
| PriceFrom £348 | Free Cancellation | Rating 7.0 507 reviews | |||
| PriceFrom £377 | Free Cancellation | Rating 7.5 1,469 reviews | |||
| PriceFrom £383 | Free Cancellation | Rating 6.8 7,191 reviews | |||
| PriceFrom £390 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom £395 | Free Cancellation | Rating 7.6 1,298 reviews | |||
| PriceFrom £397 | Free Cancellation | Rating 7.8 1,365 reviews | |||
| PriceFrom £411 | Free Cancellation | Rating 7.1 9,637 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 6.6 7,067 reviews | |||
| PriceFrom £434 | Free Cancellation | Rating 7.4 654 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.