How much does a first class flight from Washington, D.C. to London cost?

On average, first class flights start at $5,466, depending on departure dates and origin. The cheapest first class ticket for this route found most recently is $3,256. Check prices

Washington, D.C. to London First Class Flights (WAS-LON) | $3,256

First Class ticket deals available from 900+ travel sites.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

The Latest First Class Flight Deals from Washington, D.C. to London

Round-trip

One-way

Quickest round-trip

Quickest one-way

Best round-trip

Best one-way

Recent first class round-trip flight deals to London

Enter your travel dates to find the best prices.

2:57 pm - 6:15 am

DCA

LHR

10h 18m

1 stop

7:10 pm - 7:54 am

LHR

DCA

17h 44m

1 stop

$5,669British Airways

Wed, Nov 18 - Wed, Nov 25

7:45 pm - 7:00 pm

DCA

LHR

18h 15m

1 stop

7:10 pm - 7:54 am

LHR

DCA

17h 44m

1 stop

$5,670British Airways

Fri, Nov 20 - Wed, Nov 25

5:45 pm - 6:20 am

IAD

LHR

7h 35mnonstop

12:35 pm - 3:55 pm

LHR

IAD

8h 20mnonstop

$5,695British Airways

Thu, Aug 20 - Thu, Aug 27

6:23 pm - 9:10 am

DCA

LHR

9h 47m

1 stop

4:35 pm - 11:33 pm

LHR

DCA

11h 58m

1 stop

$6,379Multiple Airlines

Fri, Aug 28 - Wed, Sep 2

10:25 pm - 10:50 am

IAD

LHR

7h 25mnonstop

12:15 pm - 3:40 pm

LHR

IAD

8h 25mnonstop

$6,536Multiple Airlines

Tue, Oct 6 - Tue, Dec 1

10:25 pm - 10:50 am

IAD

LHR

7h 25mnonstop

9:55 am - 5:11 pm

LHR

IAD

12h 16m

1 stop

$6,637American Airlines

Mon, Oct 5 - Mon, Nov 30

2:59 pm - 7:10 am

DCA

LHR

11h 11m

1 stop

9:35 am - 7:05 pm

LHR

DCA

13h 30m

1 stop

$8,183American Airlines

Mon, Oct 19 - Thu, Oct 29

6:15 pm - 9:25 am

IAD

LGW

10h 10m

1 stop

10:00 am - 4:30 pm

LGW

IAD

11h 30m

1 stop

$16,292Air France

Sun, Oct 4 - Mon, Nov 30

6:15 pm - 9:25 am

IAD

LGW

10h 10m

1 stop

10:00 am - 4:30 pm

LGW

IAD

11h 30m

1 stop

$22,192Air France

Sun, Oct 4 - Sun, Nov 29

6:00 am - 5:40 am

DCA

LHR

42h 40m

2 stops

12:20 pm - 11:33 pm

LHR

DCA

40h 13m

2 stops

$65,912Cathay Pacific

Fri, Aug 7 - Thu, Aug 13

First Class Flights from Washington, D.C. to London

Get data-powered insights and trends for First Class flights from Washington, D.C. to London to help you craft the best travel plan

What cabin class options are available on Washington, D.C. to London flights?

There are 4 cabin classes available to choose from on Washington, D.C. to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies First Class from Washington, D.C. to London?

British Airways, Finnair, and Aer Lingus are popular carriers operating the cheapest First Class flights from Washington, D.C. to London

Popular Airlines for First Class Flights from Washington, D.C. to London

Book reliable First Class tickets to London from top-rated airlines

Airline	Rating	First Class	Price
British Airways	PriceFrom $3,256	First Class	Rating 6.7 See reviews	7.0 Boarding 6.8 Comfort 7.7 Crew 6.5 Entertainment 6.4 Food Reviews 1 / 10 Food	Search British Airways flights

How much does a first class flight from Washington, D.C. to London cost?
On average, first class flights start at $5,466, depending on departure dates and origin. The cheapest first class ticket for this route found most recently is $3,256.

About First Class Flights from Washington, D.C. to London

Helpful overview information on London First Class ticket prices, flight duration, and airlines

Best Price Found	$4,096
Fastest flight time	7h 05m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Washington, D.C. in the past 72 hours is $4,096. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $6,200.

The fastest flight from Washington, D.C. to London takes 7h 05m

Direct flights go from Washington, D.C. to London every day.

There are 6 airports in London. From Washington, D.C. there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently Asked Questions About First Class Flights from Washington, D.C. to London

When did momondo last update prices for flights from Washington, D.C. to London?

Prices for flights from Washington, D.C. to London were last updated today.

How many operators does momondo search for flights from Washington, D.C. to London?

As of July 2026, there are 18 operators available to choose from for flights from Washington, D.C. to London.

How old do you have to be to fly from Washington, D.C. to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 8/23

Sun 8/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Nearby airports

Popular routes

Other cabin classes

Complete your trip

Feeling lucky

Airports near London

Flights to London City Airport

Flights to London Heathrow Airport

Flights to London Gatwick Airport

First Class Flights from Washington, D.C. to London in 2026

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

The Latest First Class Flight Deals from Washington, D.C. to London

Recent first class round-trip flight deals to London

Recent first class one-way flight deals to London

Quickest first class round-trip flight deals to London

Quickest first class one-way flight deals to London

Best first class round-trip flight deals to London

Best first class one-way flight deals to London

First Class Flights from Washington, D.C. to London

What cabin class options are available on Washington, D.C. to London flights?

What is the cheapest airline that flies First Class from Washington, D.C. to London?

Popular Airlines for First Class Flights from Washington, D.C. to London

Book reliable First Class tickets to London from top-rated airlines

About First Class Flights from Washington, D.C. to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

Frequently Asked Questions About First Class Flights from Washington, D.C. to London

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Airports near London

Airports listed have a maximum distance of 24.0 mi from London

Popular flights to London

Popular flights according to clicks in the last 7 days on momondo

Other cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year