Cheap flights from Washington to London Heathrow

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Info about flights from Washington to London Heathrow

Some useful info about flights from Washington to London Heathrow to help you plan your next trip

Average flight duration 7h 12m
Cheapest month November
Average number of flights per week 4
First flight time 17:40
Last flight time 23:30
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Planning a flight from Washington to London Heathrow?

Flight prices from Washington to London change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Flying from or to Washington and London? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

  • Airports in Washington: You have 3 departure options - Dulles international, Ronald Reagan, Washington International.
  • Airports in London: Arrivals into London are possible from 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flights from Washington to London - Heathrow

Find the best flight from Washington to London Heathrow

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.

Other popular destinations

Searching for flights to United Kingdom? Travelers also looked at: Edinburgh, Glasgow, London, Manchester, Newquay.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Washington – London Heathrow flights.
Frequently Asked Questions

Frequently asked questions about flights from Washington to London Heathrow.

How much does an airline ticket from Washington to London Heathrow cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Washington to London Heathrow.

How far is Washington from London?

Washington is about 3677 mi from London.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the airports in Washington?

Washington has 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the most popular cities in United Kingdom?

The most popular cities in United Kingdom according to our users' searches are: Edinburgh, Glasgow, London, Manchester, Newquay.

When should I book a flight from Washington to London?

The best time to book a flight from Washington to London is 1 month in advance, while the worst time is 20 weeks in advance.

What is the cheapest month to fly from Washington to London?

The cheapest month to fly from Washington to London is November.

What is the most expensive month to fly from Washington to London?

The most expensive month to fly from Washington to London is June.

What is the best day of the week to fly from Washington to London?

For flights from Washington to London Tuesday is on average the cheapest day to fly, while Tuesday is the most expensive day to fly.