$392 Find Cheap Flights from District of Columbia to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from District of Columbia to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from District of Columbia to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Fri, Aug 14 - Mon, Aug 24
Multiple Airlines Logo
5:15 pm - 7:50 am
IAD
-
STN
9h 35m
1 stop
Multiple Airlines Logo
6:30 am - 3:45 pm
STN
-
IAD
14h 15m
1 stop
$890Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
TAP AIR PORTUGAL Logo
5:05 pm - 9:45 am
IAD
-
LGW
11h 40m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 3:10 pm
LGW
-
IAD
22h 55m
2 stops
$890TAP AIR PORTUGAL
Tue, Sep 1 - Tue, Sep 15
Virgin Atlantic Logo
5:40 pm - 9:30 am
IAD
-
LCY
10h 50m
1 stop
Virgin Atlantic Logo
10:00 am - 8:15 pm
LCY
-
IAD
15h 15m
2 stops
$890Virgin Atlantic
Mon, Aug 3 - Thu, Aug 13
Delta Logo
10:55 pm - 11:20 am
IAD
-
LHR
7h 25mnonstop
Delta Logo
8:40 am - 3:35 pm
LHR
-
IAD
11h 55m
1 stop
$890Delta
Thu, Aug 13 - Tue, Aug 18
JetBlue Logo
8:55 pm - 9:35 am
DCA
-
LGW
31h 40m
1 stop
JetBlue Logo
12:20 pm - 7:56 pm
LGW
-
DCA
12h 36m
1 stop
$890JetBlue
Sun, Aug 2 - Wed, Aug 19
Virgin Atlantic Logo
5:40 pm - 7:45 pm
IAD
-
LCY
21h 05m
1 stop
Virgin Atlantic Logo
9:20 am - 6:33 pm
LCY
-
IAD
14h 13m
2 stops
$891Virgin Atlantic
Sat, Aug 8 - Sat, Aug 15
JetBlue Logo
8:55 pm - 9:35 am
DCA
-
LGW
31h 40m
1 stop
JetBlue Logo
12:20 pm - 9:50 pm
LGW
-
DCA
14h 30m
1 stop
$891JetBlue
Sat, Oct 31 - Tue, Nov 17
Air Canada Logo
8:40 pm - 8:30 am
DCA
-
LHR
31h 50m
1 stop
Air Canada Logo
1:00 pm - 10:21 am
LHR
-
DCA
26h 21m
1 stop
$891Air Canada
Sat, Sep 5 - Fri, Sep 11
Delta Logo
7:59 pm - 9:30 am
IAD
-
LCY
32h 31m
2 stops
Delta Logo
10:00 am - 3:35 pm
LCY
-
IAD
10h 35m
1 stop
$892Delta
Sun, Jul 19 - Fri, Sep 4
Air Canada Logo
6:55 pm - 9:35 am
DCA
-
LHR
9h 40m
1 stop
Air Canada Logo
9:30 am - 3:38 pm
LHR
-
DCA
11h 08m
1 stop
$892Air Canada
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$392
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

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

Insights shared by verified travelers who flew the route from District of Columbia to London 
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.

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?

Book flights to London if you plan to visit one of these locations
Hounslow
Slough
Hayes
Richmond
Wembley
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 types available on flights to District of Columbia

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.