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Cheap First Class flights to Washington, D.C.

LHR — WAS
5 Dec — 12 Dec1
1 adult
1 adult, First, 0 bags

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Cheap first 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 5 November 2025.

Average Price

£3,156

Cheapest Price

£2,201

Top Rated Airline

British Airways

No. of Airlines

1

Arrival Airport

Washington, D.C. Dulles Intl Airport
Average for return first class flights in November 2025
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Cheapest first class flights to Washington, D.C.
Explore the most affordable first class flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 5 November 2025.

Tue 17/314:10LHR - DCA
1 stop12h 36mAmerican Airlines
Thu 26/316:04DCA - LHR
1 stop10h 26mAmerican Airlines
Deal found 5/11£3,402
Thu 20/1111:45LHR - DCA
1 stop15h 30mFinnair
Wed 3/1219:48DCA - LHR
1 stop30h 32mFinnair
Deal found 5/11£4,344
Sat 22/1111:45LHR - IAD
1 stop30h 27mFinnair
Wed 3/1217:29IAD - LHR
1 stop32h 51mFinnair
Deal found 5/11£4,444
Sat 22/1115:35LHR - DCA
1 stop11h 08mFinnair
Wed 3/1213:44DCA - LHR
1 stop11h 36mFinnair
Deal found 5/11£6,406
Thu 20/1111:45LHR - IAD
1 stop12h 35mAmerican Airlines
Wed 3/1221:45IAD - LHR
Nonstop7h 15mAmerican Airlines
Deal found 5/11£6,433
Thu 20/1111:45LHR - BWI
1 stop17h 45mFinnair
Wed 3/1211:09BWI - LHR
1 stop15h 11mFinnair
Deal found 5/11£7,020

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

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

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. first class tickets

Find answers to common questions related to first class tickets for flights to Washington, D.C.. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 5 November 2025.

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

    According to recent data, a user was able to book a First Class flight from London Heathrow Airport to Washington, D.C. for just £2,201. Secure the cheapest First Class flight tickets to Washington, D.C. now - prices start at £3,156/person!

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

    About £1,962 per person. If you plan to fly Business Class to Washington, D.C., note that Business Class cabin tickets are usually 38% lower than First Class cabin tickets.

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

    Travellers who want to experience premium cabins usually book through Finnair, the most popular airline with flights to Washington, D.C.. There are 3 premium cabins provided right now: Prem Economy Class, Business Class and First Class.

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