Washington, D.C. to London Business Class Flights (WAS-LON)

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The Latest Business 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 business class round-trip flight deals to London

Enter your travel dates to find the best prices.

11:30 pm - 6:55 pm

IAD

LHR

15h 25m

1 stop

8:15 am - 8:35 pm

LHR

IAD

17h 20m

1 stop

$620TAP AIR PORTUGAL

Wed, Oct 28 - Fri, Dec 4

10:35 pm - 9:00 pm

IAD

STN

17h 25m

2 stops

5:20 pm - 8:35 pm

STN

IAD

32h 15m

2 stops

$620Multiple Airlines

Tue, Sep 22 - Mon, Sep 28

8:20 pm - 4:25 pm

IAD

LHR

15h 05m

2 stops

6:40 am - 5:00 pm

LHR

IAD

15h 20m

2 stops

$621Scandinavian Airlines

Sat, Sep 19 - Mon, Sep 21

8:20 pm - 9:20 pm

IAD

STN

20h 00m

2 stops

8:25 pm - 5:00 pm

STN

IAD

25h 35m

3 stops

$621Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

8:30 pm - 2:40 pm

IAD

LGW

13h 10m

1 stop

11:55 am - 6:30 pm

LGW

IAD

11h 35m

1 stop

$622Icelandair

Fri, Oct 23 - Fri, Dec 4

8:20 pm - 4:00 pm

IAD

LHR

14h 40m

1 stop

6:40 am - 5:00 pm

LHR

IAD

15h 20m

1 stop

$623Scandinavian Airlines

Sun, Oct 4 - Fri, Oct 9

8:40 pm - 2:40 pm

IAD

LGW

13h 00m

1 stop

11:55 am - 6:30 pm

LGW

IAD

11h 35m

1 stop

$627Icelandair

Sat, Oct 24 - Fri, Dec 4

11:30 pm - 6:55 pm

IAD

LHR

15h 25m

1 stop

6:00 am - 2:45 pm

LHR

IAD

13h 45m

1 stop

$632TAP AIR PORTUGAL

Wed, Oct 28 - Tue, Dec 1

4:30 pm - 11:20 am

IAD

LHR

14h 50m

1 stop

1:00 pm - 8:23 pm

LHR

IAD

12h 23m

1 stop

$638Air Canada

Wed, Oct 28 - Fri, Nov 13

4:30 pm - 8:30 am

IAD

LHR

12h 00m

1 stop

1:00 pm - 8:23 pm

LHR

IAD

12h 23m

1 stop

$639Air Canada

Wed, Oct 28 - Tue, Nov 17

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

Get data-powered insights and trends for Business 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 Business Class from Washington, D.C. to London?

Icelandair, TAP AIR PORTUGAL, and Aer Lingus are popular carriers operating the cheapest Business Class flights from Washington, D.C. to London

What is the cheapest month to fly Business Class from Washington, D.C. to London?

The month of December is, on average, the cheapest month to fly Business Class to London from Washington, D.C., with most prices found around $3,474. If you aren’t able to travel during the month of December, then book flights to London from Washington, D.C. during August instead. Flights to Washington, D.C. in August, while not as cheap as those in December, still average around $3,561.

What airlines fly Business Class from Washington, D.C. to London?

British Airways is the most popular airline offering Business Class flights from Washington, D.C. to London, with 35% of our users opting to fly with them when traveling. Other popular options include United Airlines and Austrian Airlines. There are a total of 11 different airlines flying from Washington, D.C. to London.

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

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

Best Price Found	$2,182
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 $2,182. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $3,062.

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).

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

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

On average, business class flights start at $3,489, depending on departure dates and origin. The cheapest business class ticket for this route found most recently is $1,526.

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.

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Business 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

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Price Alerts

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

Recent business class round-trip flight deals to London

Recent business class one-way flight deals to London

Quickest business class round-trip flight deals to London

Quickest business class one-way flight deals to London

Best business class round-trip flight deals to London

Best business class one-way flight deals to London

Business 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 Business Class from Washington, D.C. to London?

What is the cheapest month to fly Business Class from Washington, D.C. to London?

What airlines fly Business Class from Washington, D.C. to London?

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

Best Price Found

Fastest flight time

Direct flights

Airports in London

Frequently Asked Questions About Business 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.

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