How does KAYAK find such low prices on flights from District of Columbia to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from District of Columbia to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to District of Columbia with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$432 CHEAP FLIGHTS from District of Columbia to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

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Cheap Flights from District of Columbia to London

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to London

Thu, Oct 1 - Sun, Oct 11

8:20 pm - 4:25 pm

IAD

LHR

15h 05m

2 stops

10:20 am - 5:00 pm

LHR

IAD

11h 40m

1 stop

$840Scandinavian Airlines

Sun, Aug 9 - Fri, Aug 21

8:20 pm - 12:35 pm

IAD

LCY

11h 15m

1 stop

9:15 am - 4:05 pm

LCY

IAD

11h 50m

1 stop

$841Multiple Airlines

Thu, Oct 1 - Sun, Oct 11

8:20 pm - 4:25 pm

IAD

LHR

15h 05m

2 stops

10:20 am - 5:00 pm

LHR

IAD

11h 40m

1 stop

$841Scandinavian Airlines

Sat, Aug 15 - Mon, Sep 14

8:30 pm - 9:40 pm

IAD

STN

20h 10m

2 stops

8:10 am - 3:10 pm

STN

IAD

36h 00m

2 stops

$842Multiple Airlines

Tue, Jun 16 - Tue, Jun 23

8:18 am - 9:50 am

IAD

LGW

20h 32m

3 stops

9:40 am - 4:12 pm

LGW

IAD

35h 32m

2 stops

$842Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

10:05 pm - 10:40 am

IAD

LHR

7h 35mnonstop

9:30 am - 4:05 pm

LHR

IAD

11h 35m

1 stop

$843Lufthansa

Sat, Aug 15 - Tue, Aug 25

5:05 pm - 9:45 am

IAD

LGW

11h 40m

1 stop

9:15 pm - 3:10 pm

LGW

IAD

22h 55m

2 stops

$844TAP AIR PORTUGAL

Wed, Sep 30 - Fri, Oct 9

9:00 pm - 6:20 am

IAD

STN

28h 20m

1 stop

7:25 am - 7:00 pm

STN

IAD

16h 35m

1 stop

$846Royal Air Maroc

Thu, Aug 20 - Thu, Aug 27

8:30 pm - 2:40 pm

IAD

LGW

13h 10m

1 stop

1:00 pm - 7:20 pm

LGW

IAD

11h 20m

1 stop

$846Icelandair

Sun, Jul 19 - Mon, Jul 27

8:30 pm - 2:40 pm

IAD

LGW

13h 10m

1 stop

3:40 pm - 7:20 pm

LGW

IAD

32h 40m

1 stop

$848Icelandair

Useful Info

Low season	January
High season	July
Cheapest flight	$432

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Washington Dulles Airport to London Stansted Airport

DeeFlew with United Airlines

IAD

LHR

Feb 2025

For me the best route to LHR is the late night departure on UAL. The flight is often roughly 6.5 hours so I skip dinner, use an eye mask and earplugs and try to sleep.

EllenFlew with British Airways

IAD

LHR

Oct 2024

Do not check your bag if at all possible, especially if you have a connecting flight. Your bag will not make it.

CraigFlew with United Airlines

IAD

LHR

Jun 2024

Get to beginning of boarding group early. Bring as little on board as possible due to small overhead bin space.

How does KAYAK find such low prices on flights from District of Columbia to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Slough

Hayes

Wembley

Richmond

Luton

Crawley

Ilford

Watford

Eastbourne

Bedford

Colchester

Guildford

Ipswich

Twickenham

Kingston upon Thames

St. Albans

Maidenhead

Newbury

Barnet

Everything you need to know for your flight to London

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to District of Columbia

First Class flights to Londonfrom $4,187

Business Class flights to Londonfrom $2,740

Premium Economy Class flights to Londonfrom $1,543

Economy Class flights to Londonfrom $850

$432 Find Cheap Flights from District of Columbia to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from District of Columbia to London

Recent round-trip flight deals from District of Columbia to London

Recent one-way flight deals from District of Columbia to London

Recent last minute flight deals from District of Columbia to London

Recent direct flight deals from District of Columbia to London

Good to know

Flights from District of Columbia to London: the best tips from KAYAK users

FAQs for booking flights from District of Columbia to London

How does KAYAK find such low prices on flights from District of Columbia to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near London?

Everything you need to know for your flight to London

Cabin class types available on flights to District of Columbia

Complete your trip to London with a hotel stay or car rental

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight