Cheap Business Class flights to Washington, D.C. Dulles Intl Airport

LHR — IAD
15 Dec — 22 Dec1
1 adult
1 adult, Business, 0 bags

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

Average Price

£2,137

Cheapest Price

£2,058

Top Rated Airline

Icelandair

No. of Airlines

8
Average for return business class flights in November 2026
The lowest price for a business class flight ticket to Dulles Intl
Most popular airline to fly business class with to Dulles Intl in the past 7 days
Airlines that offer business class options for this route

Find business class flight deals to Washington, D.C. Dulles Intl Airport

Enter your travel dates to find the best prices.

Cheapest business class flights to Dulles Intl

Wed 13/112:15 -
1 stop11h 15m
Wed 20/119:40 -
1 stop18h 50m
Deal found 14/11£1,186
Wed 3/320:35 -
1 stop26h 55m
Wed 10/319:40 -
1 stop18h 50m
Deal found 13/11£1,230
Sun 14/320:35 -
1 stop26h 55m
Sun 21/323:20 -
1 stop31h 30m
Deal found 14/11£1,232
Wed 20/112:15 -
1 stop11h 15m
Sun 31/119:40 -
1 stop10h 10m
Deal found 12/11£1,244
Sat 16/112:15 -
1 stop11h 15m
Wed 20/119:40 -
1 stop18h 50m
Deal found 14/11£1,246
Tue 12/120:35 -
1 stop26h 55m
Sun 17/119:40 -
1 stop18h 50m
Deal found 14/11£1,248

Travel insights for business class flights from United Kingdom to Dulles Intl

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

Which month is the cheapest to fly Business Class from the United Kingdom to Washington, D.C. Dulles Intl Airport?

For Business Class flights, the cheapest month to fly this route is July. The most expensive months are January and May.

Rainfall in Dulles Intl by month

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.

Temperature in Dulles Intl by month

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).

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

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

    If you are flexible with your travel dates and origin, you might only have to pay £2,058 for a Business Class class flight to Washington, D.C. Dulles Intl Airport (lowest price found recently). Our data shows that the average price for a Business Class ticket to Washington, D.C. Dulles Intl Airport is about £2,137/traveller.

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

    The average price for a Prem Economy Class ticket to Washington, D.C. Dulles Intl Airport recently is £1,325. For what you get as travel perks, Prem Economy Class cabin is a great alternative to Business Class. Business Class tickets are also usually 39% more expensive.

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

    Finnair has 3 premium cabins on its schedule for flights to Washington, D.C. Dulles Intl Airport: Business Class, Prem Economy Class and First Class. If you prefer to see more cabin class options, you can try switching up different departure and/or arrival dates.

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

    Currently, July is the cheapest month in which you can book a Business Class flight from United Kingdom to Washington, D.C. Dulles Intl Airport (average of £2,615). Flying from United Kingdom to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of £4,204). 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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