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Flights operate between London (LHR) and Washington (IAD).

3 airlines operate this route with 5 flights daily flights.

Average flight time is 7h 05m - 8h 55m.

Route distance is 3687 miles (5932 km).

Route Distance

3687 miles (5932 km)

Average Duration

7h 05m - 8h 55m

Airlines Operating This Route

United Airlines, British Airways, Virgin Atlantic

Flight Frequency

Daily Flights

5 flights

Weekly Flights

35

Typical Departure Time Ranges

Earliest Departure

12:05

Latest Departure

16:50
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Flight Schedule & Filters

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Flight Schedule Calendar

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Direct (non-stop) flights from London (LHR) to Washington (IAD)

Direct (non-stop) flights operate between London (LHR) and Washington (IAD). 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)

LHR
London (LHR)

GB

IAD
Washington (IAD)

US

FLIGHT TIME

7h 05m - 8h 55m

FLIGHT DISTANCE

3687 miles (5932 km)
Flight time
8h 25m - 8h 55m
Earliest flight
12:05
Last flight
16:50
Distance
3687 miles (5932 km)
Cheapest month
January
Airlines
3 (Show)
Flights per week
35

Flight Schedule

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Airlines with direct flights from London (LHR) to Washington (IAD)

Weather at Washington (IAD)

Weather & Climate at Washington (IAD)

14.4°C

Avg Temperature

88mm

Avg Rainfall

10.3km/h

Avg Wind Speed

66%

Avg Humidity

Best Months to Visit

Challenging Months

12-Month Weather Overview

Wind Speed by Month

Humidity by Month

Booking Insights

Best Time to Book Flights to Washington (IAD)

Best Booking Window

Book 2-3 months in advance for best prices

Booking Tip

Avoid booking during extreme weather months for better deals

Peak Travel Months

2025-09
2025-12

Expect higher prices and more crowds during these months. Book early to secure better rates.

Recommended Months

2025-08

These months offer the best balance of weather, prices, and availability.

Monthly Booking Recommendations

Recommended - Best Value
Peak - Book Early
Normal

Price Trends

Flight Price Trends for Washington (IAD)

Cheapest Months to Fly

2023-08

Book flights during these months for the best deals and lowest prices.

Most Expensive Months

2023-09
2023-12

Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.

Price Trend Analysis

Prices are typically lower during shoulder seasons

Monthly Price Trends

Cheapest - Best Deals
Expensive - Higher Prices
Normal Prices
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Frequently Asked Questions

Do flights operate between LHR and IAD?

Yes. 5 direct flights operate between London (LHR) and Washington (IAD).

Which airlines operate this route?

3 airlines operate this route: United Airlines, British Airways, Virgin Atlantic.

How many flights operate daily?

5 flights flights operate daily on this route.

What is the average flight duration?

The average flight duration is 7h 05m - 8h 55m.

Is this route operated year-round?

This route operates with 5 flights daily flights.

Route data verified regularly by Triposia Travel Research Team.

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