Cheap flight deals from Washington D.C. to London

Find direct flights from Washington D.C. to London within the next three months. Book one-way flights from QAR 1,349 or round-trip tickets from QAR 1,897.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Washington D.C. to London

The distance between Washington D.C. and London is about 5,899.53 km. It takes around 7 hours 23 minutes on average to fly from Washington D.C. to London. The most popular month to London is June. The off-season for travel is April.

Cheapest one-way flight price QAR 671
Cheapest round-trip ticket price QAR 1,785
Off-season for travel April
Peak season for travel June
Flight distance 5,899.53 km
Average flight time 7 hours 23 minutes

When is the cheapest time to fly from Washington D.C. to London?

The best time to book the cheapest flights from Washington D.C. to London is between Jul 20 and Jul 27. One-way ticket prices start at QAR 625 according to our flight calendar.

Cheapest flights
From price
Search
  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27
  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
  • Sep

    31 7
  • 7 14
  • 14 21
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to London (LON) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to London based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Washington D.C. (WAS) to London (LON) cost?

    According to Trip.com's data, the lowest price is around QAR 3,302.
  • How long does it take to fly from Washington D.C. (WAS) to London (LON) and what is the distance?

    It takes around 7 hours 23 minutes to fly from Washington D.C. (WAS) to London (LON).
  • What are the most popular airlines that fly from Washington D.C. (WAS) to London (LON)?

How to find a cheap flight from Washington D.C. to London

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to London. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com