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Cheap Business Class flights to Washington, D.C.

LHR — WAS
18 Oct — 25 Oct1
1 adult
1 adult, Business

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Cheap business class flights to Washington, D.C. in 2025

Find the latest flights to Washington, D.C. in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 18 September 2025.

Average Price

£1,745

Cheapest Price

£1,378

Top Rated Airline

Finnair

No. of Airlines

17

Arrival Airport

Washington, D.C. Dulles Intl Airport
Average for return business class flights in September 2025
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The lowest price for a business class flight ticket to Washington, D.C.
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Most popular airline to fly business class with to Washington, D.C. in the past 7 days
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Find business class flight deals to Washington, D.C.

Cheapest business class flights to Washington, D.C.
Explore the most affordable business class flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Sat 20/1220:35LHR - BWI
1 stop27h 05mIcelandair
Sat 3/119:40BWI - LHR
1 stop18h 50mIcelandair
Deal found 16/9£1,188
Sun 1/311:55LGW - BWI
1 stop11h 45mIcelandair
Thu 12/320:40BWI - LGW
1 stop10h 15mIcelandair
Deal found 15/9£1,216
Sat 7/311:55LGW - BWI
1 stop11h 45mIcelandair
Sat 14/320:40BWI - LGW
1 stop10h 15mIcelandair
Deal found 15/9£1,240
Sat 20/1220:35LHR - IAD
1 stop26h 55mIcelandair
Sat 3/119:40IAD - LHR
1 stop18h 50mIcelandair
Deal found 16/9£1,493
Thu 12/311:55LGW - BWI
1 stop11h 45mIcelandair
Mon 23/320:40BWI - LGW
1 stop10h 15mIcelandair
Deal found 15/9£1,495
Thu 12/312:15LHR - BWI
1 stop11h 25mIcelandair
Mon 23/320:40BWI - LHR
1 stop10h 10mIcelandair
Deal found 15/9£1,517

Travel insights for business class flights from United Kingdom to Washington, D.C.

Get recent, data-driven insights about business class flights from United Kingdom to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a Business Class flight from United Kingdom to Washington, D.C.?

Currently, March is the cheapest month in which you can book a Business Class flight from United Kingdom to Washington, D.C. (average of £955). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of £1,659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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).

Frequently asked questions about Washington, D.C. business class tickets

Find answers to common questions related to business class tickets for flights to Washington, D.C.. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 18 September 2025.

  • What is the cheapest price for a Business Class ticket to Washington, D.C.?

    If you are flexible with your travel dates and origin, you might only have to pay £1,378 for a Business Class class flight to Washington, D.C. (lowest price found recently). Our data shows that the average price for a Business Class ticket to Washington, D.C. is about £1,745/traveller.

  • How much do Prem Economy Class flight tickets to Washington, D.C. cost?

    Want comfortable seats without paying Business Class prices? For around £928/ticket, you can experience comfort and some premium flight services with a Prem Economy Class flight to Washington, D.C.. Not to mention, Prem Economy Class cabin tickets are often 47% cheaper than Business Class - in case you need more motivation.

  • How many premium cabins does Finnair have for flights to Washington, D.C.?

    Finnair currently offers a couple premium cabin classes on flights to Washington, D.C.: Prem Economy Class, Business Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What is the cheapest month to book a Business Class flight from United Kingdom to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a Business Class flight from United Kingdom to Washington, D.C. (average of £955). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of £1,659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

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