Cheap flights from London Heathrow Airport to Washington from $336
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 5/15. 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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SWISS flights from London Heathrow Airport to State of Washington
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Virgin Atlantic flights from London Heathrow Airport to State of Washington
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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?
The month of February is, on average, the cheapest month to fly to State of Washington from London Heathrow Airport, with most prices found around $652. 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 $687.
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 Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $803. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to State of Washington for around $1,076.
What is the cheapest time of day to depart on your flight to State of Washington?
The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $841. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $943 on average. Flights to State of Washington from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
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 $784 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 $701 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?
WestJet and Aer Lingus are the most popular carriers operating from London Heathrow to Washington
What airlines fly to State of Washington?
Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to State of Washington from London Heathrow Airport according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 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 April 2025, 25 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 4:00PM, with 69% of daily flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to State of Washington on average per week?
The number of flights available between London Heathrow Airport and State of Washington is 176 per week as of April 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving 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 | $336 |
|---|---|
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?
As of April 2025, there are 8 operators available to choose from for flights from London Heathrow Airport to Washington.
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 required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to State of Washington is Boeing 787-10 Dreamliner, representing 28.87% of all bookings. The subsequent popular models are Airbus A330-900neo at 23.29%, Boeing 787-9 Dreamliner at 15.97%, and Boeing 777-300ER at 14.62%.
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 $449 | Free Cancellation | Rating 7.0 482 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 6.6 6,767 reviews | |||
| PriceFrom $621 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $635 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom $673 | Free Cancellation | Rating 7.0 2,676 reviews | |||
| PriceFrom $674 | Free Cancellation | Rating 7.8 1,329 reviews | |||
| PriceFrom $675 | Free Cancellation | Rating 8.0 7,917 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Washington?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington for you.
Can I find flights from London to Washington with flexible booking policies on momondo?
Flights from London to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Washington?
momondo provides multiple filters to help you find the best flight to Washington from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.