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Cheap Business Class flights to Washington, D.C.

LHR — WAS
19 Apr — 26 Apr1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Washington, D.C. in 2026

Find the latest flights to Washington, D.C. in 2026, 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 20 March 2026.

Top Rated Airline

Icelandair

No. of Airlines

8

Arrival Airport

Washington, D.C. Dulles Intl Airport
Most popular airline to fly business class with to Washington, D.C. in the past 7 days
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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 20 March 2026.

Mon 20/415:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 26/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 16/3£1,424
Mon 20/421:25
LHR
-
IAD
1 stop26h 55m
Icelandair
Sun 26/420:30
IAD
-
LHR
1 stop18h 50m
Icelandair
Deal found 16/3£1,424
Wed 22/415:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 26/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 16/3£1,446
Sun 10/521:25
LHR
-
IAD
1 stop26h 55m
Icelandair
Wed 13/523:20
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 16/3£1,457
Sat 16/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Wed 27/520:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 16/3£1,466
Sat 16/521:25
LHR
-
IAD
1 stop29h 50m
Icelandair
Wed 27/520:30
IAD
-
LHR
1 stop18h 50m
Icelandair
Deal found 16/3£1,466

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, October is the cheapest month in which you can book a Business Class flight from United Kingdom to Washington, D.C. (average of £992). Flying from United Kingdom to Washington, D.C. in February is currently the most expensive (average of £2,205). 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 20 March 2026.

  • 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, October is the cheapest month in which you can book a Business Class flight from United Kingdom to Washington, D.C. (average of £992). Flying from United Kingdom to Washington, D.C. in February is currently the most expensive (average of £2,205). 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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