Cheap Flights from Washington DC to London

The displayed fares were last found on: Fri | 22 November 03:34 PM(EST) . Fares are round trip.

  • IADWashingtonMon | 20 Jan
    LGWLondonTue | 28 Jan
    $ 556.19
  • IADWashingtonMon | 20 Jan
    LHRLondonTue | 28 Jan
    $ 580.57
  • BWIBaltimoreSun | 19 Jan
    LHRLondonTue | 28 Jan
    $ 609.41
  • IADWashingtonMon | 20 Jan
    LGWLondonTue | 28 Jan
    $ 603.14
  • IADWashingtonMon | 20 Jan
    LHRLondonTue | 28 Jan
    $ 585.54
  • IADWashingtonSun | 19 Jan
    LGWLondonWed | 29 Jan
    $ 599.82

This fare-table for flights from Washington DC to London is based on historical airfares to London (Date and Time mentioned). Fares are non-warranted and subject to change as per availability with the airlines. Fares are inclusive of base fare, fuel surcharges, airline/airport taxes, and our service fee.

Search, Compare and Book Washington DC to London Flight

If the flight options recommended above go well with your London travel plan, click “Book Now” to proceed with the flight reservation. Otherwise, perform a customized flight search using the flight booking engine offered on the top of this page.

You come across a list of cheap flights to London from DC with different carriers. You may customize the list by departure and arrival timing, nonstop or connecting flight or by your favorite airlines.

Airport in Washington DC

1. Ronald Reagan Washington National Airport (DCA/KDCA)

Ronald Reagan Washington National Airport (IATA: DCA, ICAO: KDCA) is the oldest airport (1941) serving Washington, D.C. It is one of the major airports serving the city along with Washington Dulles International Airport. The airport is situated in Arlington, Virginia and is 6 miles from the center of Washington DC. DCA is a hub for American Airlines, which operates near-hourly air shuttle flights to Logan International Airport in Boston and New York LaGuardia Airport. Is nonstop flight available to London from DCA? The answer is No. Only connecting flights are available. Know more about the Ronald Reagan Airport.

2. Washington Dulles International Airport (IAD/| KIAD)

Washington Dulles International Airport (IATA: IAD, ICAO: KIAD, FAA LID: IAD) is in the eastern United States, located in Loudoun and Fairfax counties in Virginia. The airport is 26 miles (42 km) west of downtown Washington, D.C.

Dulles is one of the three major airports in the larger Baltimore–Washington metropolitan area along with Ronald Reagan Washington National Airport (DCA) and Baltimore/Washington International Thurgood Marshall Airport (BWI / KBWI). The airport holds the record of catering to the highest number of international traffic in the Mid-Atlantic region outside the New York metropolitan area. Know more about the Dulles Airport.

3. Baltimore Washington International Thurgood Marshall Airport (BWI/KBWI)

BWI Marshall Airport is 9 miles south of downtown Baltimore and 32 miles northeast of Washington, D.C. It is the busiest airport in the region, serving over 25 million passengers.  The airport has been named after a Baltimore native who became the first African American to serve on the Supreme Court of the United States. The airport only has connecting flights to London with American Airlines, Finnair, British Airways, Iberia, United Airlines, and Westjet. Know more about the Baltimore Airport.

Airports in London

1. London Heathrow Airport (LHR / EGLL)

London Heathrow Airport is a major airport in London that serves international and domestic flights. Located at 18 miles from the center of London, United Kingdom, Heathrow ranks as the second busiest airport in the world by international passenger traffic. Know more about the Heathrow Airport.

2. London City Airport (LCY/EGLC)

The nearest major airport is London City Airport. This airport has international and domestic flights and is 9 miles from the center of London, United Kingdom. Know more about the London City Airport.

3. London Gatwick Airport (LGW / EGKK)

London Gatwick Airport has international and domestic flights and is 33 miles from London, United Kingdom. Know more about the Gatwick Airport.

How Long is the Flight from Washington DC to London?

The flight time between Washington DC and London is 7 hours, 51 minutes. The flight distance is 3,675 miles/5915 km. The table below displays the flight distance and flight time for different departure-airport pairs in the two cities.

Flight Flight Distance Flight Time
DCA to LHR 3,664 miles/5897 km  7 hours 50 minutes
IAD to LCY 3,696 miles/5949 km 7 hours 54 minutes
BWI to LGW 3,652 miles/5878 km 7 hours 48 minutes

Also keep in mind the time difference between the two cities. London is ahead of Washington DC by 4 hours.

Note: The flight distance and time are for a nonstop flight (excluding any layover). The actual distance and time might vary, and are non-warranted. Check with your airlines to know precise information. 

Which Airlines Fly from Washington DC to London?

Route Nonstop or Connecting Airlines
DCA to LHR Connecting only  Air Canada, United Airlines, Virgin Atlantic, British Airways, American Airlines, Iberia, Finnair
IAD to LCY Connecting  only Aer Lingus, British Airways, Swiss International Airlines, Brussels Airlines, Lufthansa, United Airlines, Virgin Atlantic
BWI to LGW Connecting only  American Airlines, Finnair, British Airways, Iberia, United Airlines, Westjet

Guide to Book a Cheap Flight to London from Washington DC?

A mix of flexibility and some travel hacks can help you maximize your savings on WAS to LON flight ticket. Here is how.

1. Be flexible with your dates and times

This works wonders for travelers. Check fares on a mid-weekday (Tuesday, Wednesday or Thursday). You may find a big difference between weekday and weekend fares. Likewise, the redeye flight to London can help you to save big. Our flight booking engine also suggests a Flexible Date Fare on the top of the search results. Take note of the departure and arrival time, airlines and the number of stops involved.

2. Skip peak seasons to fly to London

Skip the peak tourism time from June to September. November to March (excluding poplar event or festival like Thanksgiving, Christmas or New Year) is the low season when airfares drop. Plan your London trip either in spring or in autumn. This helps in striking a perfect balance between weather and budget. In the winter, the temperatures may go as low as the lows of 40s or highs of 30s.

3. Subscribe to Cheapfaremart’s mailing list

This helps you stay notified of the best London airfare deals and flight discount along with London travel guides on top sightseeing places, best places to stay, romantic places and much more. Do not miss out on redeeming any flight discount coupon before concluding your checkout.