How do most travelers feel about Lufthansa?

8,202 Cheapflights users have left reviews for Lufthansa and have rated the airline 6.8/10. If you are looking to travel from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on Lufthansa, input your dates in the form above for our best prices!

What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport with Lufthansa?

Currently, the most affordable month to book a Lufthansa flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in February, with an average price of £420. Conversely, traveling with Lufthansa from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in December will be the most expensive, with an average cost of £731. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Lufthansa flight availability from London Heathrow Airport to Washington, D.C. Dulles Intl Airport

The most Lufthansa flights from LHR to IAD are scheduled on a Monday (2 on average). You will have fewer Lufthansa flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

£398+ Lufthansa Flights from Heathrow to Dulles Intl

Q: How far ahead should I book a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport with Lufthansa?

Booking with Lufthansa 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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Cheapest Lufthansa flights from Heathrow to Dulles Intl
Explore the most affordable Lufthansa flight options available from Heathrow to Dulles Intl. Find the lowest fares with prices last updated on 19 August 2026.

Mon 7/906:55 -

1 stop13h 10m

Sat 12/922:10 -

Nonstop7h 30m

Deal found 17/8£430

Sat 12/908:30 -

1 stop11h 40m

Fri 18/918:35 -

Nonstop7h 20m

Deal found 15/8£431

Thu 10/908:30 -

1 stop11h 40m

Sun 20/918:35 -

Nonstop7h 20m

Deal found 15/8£431

How do most travelers feel about Lufthansa?
8,202 Cheapflights users have left reviews for Lufthansa and have rated the airline 6.8/10. If you are looking to travel from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on Lufthansa, input your dates in the form above for our best prices!
Can I get a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on Lufthansa for under £591?
Cheapflights currently has 6 LHR-IAD flights for under £591. Flights to Washington, D.C. Dulles Intl Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Lufthansa flights from Heathrow to Dulles Intl in 2026

One-way from	£398
Return from	£428
Popular in	August
Cheapest in	February
Average price (all airlines)	£584

Lufthansa
28/9
1 total stop
11h 35m total
London to Washington, D.C.

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Lufthansa
14/10-17/10
1 total stop
20h 05m total
London to Washington, D.C.

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Highest demand for flights from London Heathrow to Washington, D.C. Dulles Intl; 2% potential price increase.

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Best time to find cheap flights from London Heathrow to Washington, D.C. Dulles Intl; 0% potential price drop.

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Average price for all London Heathrow to Washington, D.C. Dulles Intl flights (one-way and round-trip).

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Prices

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The best time to book a flight to Washington, D.C. Dulles Intl Airport with Lufthansa is 38 days before departure. On average, fares are higher if you book 47 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are December and November.

Best time to book a flight from Heathrow to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Heathrow with our price prediction graph.

LHR-IAD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Lufthansa flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport (LHR - IAD)

Find Lufthansa flight deals from Heathrow to Dulles Intl

Cheapest Lufthansa flights from Heathrow to Dulles IntlExplore the most affordable Lufthansa flight options available from Heathrow to Dulles Intl. Find the lowest fares with prices last updated on 19 August 2026.

Explore the most affordable Lufthansa flight options available from Heathrow to Dulles Intl. Find the lowest fares with prices last updated on 19 August 2026.

Best Lufthansa flights from Heathrow to Dulles IntlDiscover carefully curated Lufthansa flight deals from Heathrow to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Discover carefully curated Lufthansa flight deals from Heathrow to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Direct Lufthansa flights from Heathrow to Dulles IntlExplore direct Lufthansa flight options from Heathrow to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 August 2026.

Explore direct Lufthansa flight options from Heathrow to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 August 2026.

Last-minute Lufthansa flights from Heathrow to Dulles IntlDiscover last-minute Lufthansa flight deals from Heathrow to Dulles Intl. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute Lufthansa flight deals from Heathrow to Dulles Intl. Data last updated 19 August 2026 and is based on user searches.

One-way Lufthansa flights to Dulles IntlSearch for one-way Lufthansa flight options to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Search for one-way Lufthansa flight options to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

How do most travelers feel about Lufthansa?

Can I get a flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport on Lufthansa for under £591?

Lufthansa flights from Heathrow to Dulles Intl in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Washington, D.C. Dulles Intl Airport with Lufthansa?

The best time to book a flight to Washington, D.C. Dulles Intl Airport with Lufthansa is 38 days before departure. On average, fares are higher if you book 47 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Washington, D.C. Dulles Intl Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are December and November.

Weekly Lufthansa flight availability from London Heathrow Airport to Washington, D.C. Dulles Intl Airport

The most Lufthansa flights from LHR to IAD are scheduled on a Monday (2 on average). You will have fewer Lufthansa flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

Temperature in Dulles Intl by month

Best time to book a flight from Heathrow to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Dulles Intl on another airline

Consider alternative airlines that service the Dulles Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Other Lufthansa flights from Heathrow

Browse through other Lufthansa flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Complete your trip

Complete your trip to Dulles Intl by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Dulles Intl

Choose from other airlines serving Heathrow and Dulles Intl.

Other popular destinations in North America

If Dulles Intl is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Popular flights with Lufthansa

Browse through some of the most popular routes that Lufthansa offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.

See what others are saying about Lufthansa

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Cheapest Lufthansa flights from Heathrow to Dulles Intl
Explore the most affordable Lufthansa flight options available from Heathrow to Dulles Intl. Find the lowest fares with prices last updated on 19 August 2026.

Best Lufthansa flights from Heathrow to Dulles Intl
Discover carefully curated Lufthansa flight deals from Heathrow to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Direct Lufthansa flights from Heathrow to Dulles Intl
Explore direct Lufthansa flight options from Heathrow to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 August 2026.

Last-minute Lufthansa flights from Heathrow to Dulles Intl
Discover last-minute Lufthansa flight deals from Heathrow to Dulles Intl. Data last updated 19 August 2026 and is based on user searches.

One-way Lufthansa flights to Dulles Intl
Search for one-way Lufthansa flight options to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.