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Cheap flights from Washington Dulles Intl (IAD) to London (LON)

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The best prices from Washington Dulles Intl to London are usually found in February or March, booked 51 days in advance, depart on a Tuesday or Monday and return on a Wednesday

$1040
$880
$710
$547
Price
$547 - $974
Temperature
48 - 73 °F
Rainfall
1 - 3 inches
Most popular in June High demand for flights, 19% potential price rise
Cheapest in February Best time to find cheap flights, 4% potential price drop
Average price $757 Price for this month
Cheapest price $547 From Washington Dulles Intl to London

Alternative routes for Washington Dulles Intl to London

Destination information for London

Things to know before you go. Useful info for your trip from Washington Dulles Intl to London
Today's exchange rate
$1.00 = £0.77
Average temperature for December in London
48.2 °F
Avg rainfall for December in London
2.1 ″

Airports servicing Washington

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)
Weekly flight availability
from Washington Dulles Intl to London
Sunday
29 daily flights
Monday
29 daily flights
Tuesday
29 daily flights
Wednesday
29 daily flights
Thursday
19 daily flights
Friday
29 daily flights
Saturday
29 daily flights

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to London flights.

Flight FAQs

From Washington Dulles Intl to London

What percent of flights are delayed?

Based on our current data flights from Washington Dulles Intl to London are usually delayed by up to 39min. or more.

How many passenger seats are available on a flight on this route?

2,157 seats are available from Washington Dulles Intl to London per day on average.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for United Air Lines Inc., as currently they have the cheapest options available from Washington Dulles Intl to London. On average you can find 78 flights for this flight path daily.

How long does the flight from Washington Dulles Intl to London take?

A nonstop flight takes up to 8 hours, covering a distance of 2,291 miles.

How many flights depart from Washington Dulles Intl to London on average per day?

Travelers can expect 39 flights from Washington Dulles Intl to London on average per day.
Morning (6am - Noon) - 13% of flight departures
Afternoon (Noon - 6pm) - 13% of flight departures
Evening (6pm - Midnight) - 74% of flight departures

Is Washington Dulles Intl weather warmer or cooler than London?

We forecast the temperature to be around the 88 °F's in July, on average. The temperature in London is generally colder than in Washington Dulles Intl. Book flights in a timely manner in correlation to your departure date.