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

LHR — IAD
31 Jan — 7 Feb1
1 adult
1 adult, First, 0 bags

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

Find the latest flights to Washington, D.C. Dulles Intl Airport 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 1 January 2026.

Average Price

£3,057

Cheapest Price

£2,132

Top Rated Airline

British Airways

No. of Airlines

1
Average for return first class flights in January 2026
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The lowest price for a first class flight ticket to Dulles Intl
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Most popular airline to fly first class with to Dulles Intl in the past 7 days
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Travel insights for first class flights from United Kingdom to Dulles Intl

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

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).

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

Find answers to common questions related to first 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 1 January 2026.

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

    According to recent data, a user was able to book a First Class flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport for just £2,132. Secure the cheapest First Class flight tickets to Washington, D.C. Dulles Intl Airport now - prices start at £3,057/person!

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

    Finnair currently offers a couple premium cabin classes on flights to Washington, D.C. Dulles Intl Airport: 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.

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