Direct (non-stop) flights from London (LHR) to Washington (IAD)
Find comprehensive flight information, schedules, and booking details for direct flights from London (LHR), GB to Washington (IAD), US. This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 7h 05m - 8h 55m (average flight time)• Distance: 3687 miles (5932 km) (air miles between airports)• Daily Flights: 5 flights (scheduled departures per day)
London (LHR)
GB
Washington (IAD)
US
FLIGHT TIME
7h 05m - 8h 55m
FLIGHT DISTANCE
3687 miles (5932 km)
8h 25m - 8h 55m
12:05
16:50
3687 miles (5932 km)
January
3 (Show)
35
Flight Schedule
December 2025
Airlines with direct flights from London (LHR) to Washington (IAD)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 7h 05m - 8h 55m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 16:00, 12:00, offering more flight options and potentially better connections.
London (LHR) - Washington (IAD) flight price statistics
$794
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$583
Jan$647
Feb$600
Mar$792
Apr$992
May$817
Jun$836
Jul$1006
Aug$789
Sep$820
Oct$672
Nov$976
DecRelated Information
Airports: London (LHR) • Washington Airport (IAD)
Airlines operating this route: United Airlines (UA), British Airways, Virgin Atlantic
Frequently Asked Questions
How many flights operate from London (LHR) to Washington (IAD)?
There are 5 direct flights operating from London (LHR) to Washington (IAD). Approximately 5 flights daily.
Which airlines operate flights from London (LHR) to Washington (IAD)?
3 airlines operate on this route: United Airlines, British Airways, Virgin Atlantic.
How long is the flight from London (LHR) to Washington (IAD)?
The flight duration from London (LHR) to Washington (IAD) is approximately 7h 05m - 8h 55m.
What is the distance from London (LHR) to Washington (IAD)?
The distance from London (LHR) to Washington (IAD) is 3687 miles (5932 km).
What is the flight time range for this route?
Flight times on this route range from 8h 25m - 8h 55m.
What are the earliest and latest flight departure times?
The earliest flight departs at 12:05 and the latest flight departs at 16:50.
What is the cheapest month to fly from London (LHR) to Washington (IAD)?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 35 flights operate per week from London (LHR) to Washington (IAD).
What types of aircraft operate on this route?
This route is served by Boeing 777, Airbus A350-1000, Boeing 767-400 Passenger, Airbus A330-300.
What is the average flight price from London (LHR) to Washington (IAD)?
The average flight price for a round-trip ticket from London (LHR) to Washington (IAD) is approximately $794 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from London (LHR) to Washington (IAD) for the lowest prices?
January is typically the cheapest month to fly from London (LHR) to Washington (IAD). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from London (LHR) to Washington (IAD)?
3 airlines offer direct flights from London (LHR) to Washington (IAD), providing travelers with multiple options for scheduling and pricing.
How far is Washington (IAD) from London (LHR)?
The distance from London (LHR) to Washington (IAD) is 3687 miles (5932 km). This is a long-haul flight route.
How long does it take to fly from London (LHR) to Washington (IAD)?
The flight time from London (LHR) to Washington (IAD) is approximately 7h 05m - 8h 55m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Washington (IAD) serve?
Washington (IAD) serves Washington, US.