Cheap flights from London Gatwick to Washington DC

from as little as £418

16 nights in Washington DC, departing London Gatwick on 29 / Oct / 2025 with Icelandair (price found 2 hours ago)

Subject to availability, prices correct of the last 24 hours
Washington DC

The London Gatwick / Washington DC route

All 5936 km of it

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Washington DC flight facts

What you need to know

Alternative flights from the UK to Washington DC

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Alternative flights from London Gatwick to Washington DC

You might find cheaper flights nearby
Washington DC

Today alone, Netflights has searched over 69 flights. 29 / Oct / 2025 is currently the lowest priced day of the year to fly the London Gatwick/Washington DC route. There are around 50 flights on any given week from the UK to Washington DC and the cheapest month to fly right now is October.

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Min / Max Temperature (°C)
LOWEST

-3 °C

AVG

13 °C

HIGHEST

31 °C

Rainfall (mm)
LOWEST

73 mm

AVG

91.9 mm

HIGHEST

126 mm

Key facts about Washington DC

How to get cheap flights from London Gatwick to Washington DC

Tips and advice from our flight experts

We've collated all the flights from London Gatwick to Washington DC, to help you find the best deal. The most popular airlines are Icelandair, Virgin Atlantic & Virgin Atlantic. Browse the flights on this page to find ones that suit you best – Netflights scans 69 flights worldwide, making it easy for you to see all your options.

Normally, Washington DC Washington Dulles International Airport is the cheapest airport to fly into Washington DC. This isn’t necessarily the case for your chosen dates, but it’s worth bearing in mind. There are 50 flights every week to Washington DC, and the flight from London Gatwick normally takes about 14 hrs.

You can fly to Washington DC from £418. But, if you adjust your search to incorporate other airports near London Gatwick, this figure may drop – your search currently only covers flights from London Gatwick.

Booking a flight to Washington DC with Netflights is easy. You can search by month to see the cheapest day of the week to fly. Plus, you can add accommodation and car hire to your booking.

Other popular destinations near Washington DC

Where other people are flying to

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