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

LHR — IAD
5 May — 12 May1
1 adult

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

Find the latest flights to Washington, D.C. Dulles Intl Airport 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 30 April 2025.

Average Price

£1,772

Cheapest Price

£1,404

Top Rated Airline

Finnair

No. of Airlines

19
Average for return business class flights in April 2025
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

Cheapest business class flights to Dulles Intl
Explore the most affordable business class flight options available to Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 30 April 2025.

Wed 28/513:05LHR - IAD
1 stop14h 05mIcelandair
Fri 29/820:30IAD - LHR
1 stop18h 50mIcelandair
Deal found 29/4£1,481
Wed 25/615:40LGW - IAD
1 stop11h 30mIcelandair
Sun 6/723:15IAD - LGW
1 stop10h 25mIcelandair
Deal found 28/4£1,569
Fri 18/714:20GLA - IAD
1 stop10h 00mIcelandair
Fri 1/823:15IAD - GLA
1 stop9h 10mIcelandair
Deal found 28/4£1,684
Sat 20/910:20LHR - IAD
1 stop14h 39mScandinavian Airlines
Sat 4/1022:05IAD - LHR
1 stop12h 55mScandinavian Airlines
Deal found 28/4£1,824
Thu 18/917:00LHR - IAD
Nonstop8h 10mIberia
Sat 27/922:45IAD - LHR
Nonstop7h 25mIberia
Deal found 28/4£1,827
Mon 2/616:40LGW - IAD
1 stop31h 25mRoyal Air Maroc
Tue 10/621:05IAD - LGW
1 stop13h 35mRoyal Air Maroc
Deal found 28/4£1,857

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.

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

Currently, March 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 £972). Flying from United Kingdom to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £1,783). 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 Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals 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

Plan your trip to Dulles Intl by taking into account the average temperature totals 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).

Top business class airline flying to Washington, D.C. Dulles Intl Airport

Explore the top four business class airlines operating flights to Washington, D.C. Dulles Intl Airport. Find out more about these airlines and their offerings, including amenities, in-flight services, and customer reviews. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 30 April 2025.
AirlineRatingFirst ClassPrice
United AirlinesPriceFrom £506First ClassRating
7.4
Search United Airlines flights

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

Find answers to common questions related to business class tickets for flights to Washington, D.C. Dulles Intl Airport. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 30 April 2025.
  • 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 £1,404 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 £1,772/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 £1,166. For what you get as travel perks, Prem Economy Class cabin is a great alternative to Business Class. Business Class tickets are also usually 35% 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 airlines can I book Business Class flights to Washington, D.C. Dulles Intl Airport with?

    United Airlines is a highly recommended provider for Business Class flight tickets to Washington, D.C. Dulles Intl Airport. Check for amenities list before you book to take advantage of more premium services, not every airline has the same Business Class perks.

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

    Currently, March 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 £972). Flying from United Kingdom to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of £1,783). 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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