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$249+ Cheap flights from District of Columbia to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LON
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from District of Columbia to London

Cheapest flights from District of Columbia to London
Explore the most affordable flight options available from District of Columbia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This oojo deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Fri 12/2610:40 amLGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 10/31$562
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmIAD - LTN
2 stops12h 40mMultiple Airlines
Tue 12/99:00 amLTN - IAD
2 stops14h 30mMultiple Airlines
Deal found 10/31$562
This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:20 pmIAD - LHR
Nonstop7h 30mVirgin Atlantic
Tue 11/184:50 pmLHR - IAD
Nonstop8h 40mVirgin Atlantic
Deal found 11/2$562
This CrystalTravel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:40 pmIAD - LGW
1 stop10h 15mIcelandair
Tue 11/1811:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 11/2$563
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:30 pmIAD - LGW
2 stops16h 00mMultiple Airlines
Sat 12/65:25 pmLGW - IAD
2 stops32h 35mMultiple Airlines
Deal found 10/31$564
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:40 pmIAD - LGW
1 stop10h 15mIcelandair
Mon 11/2411:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 11/2$565
This oojo deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:30 pmIAD - LHR
1 stop19h 00mTAP AIR PORTUGAL
Tue 12/166:00 amLHR - IAD
1 stop13h 35mTAP AIR PORTUGAL
Deal found 11/2$565
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:45 amIAD - STN
3 stops29h 20mMultiple Airlines
Sat 11/229:10 pmSTN - IAD
2 stops23h 40mMultiple Airlines
Deal found 10/31$567
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:10 pmDCA - STN
3 stops25h 40mMultiple Airlines
Mon 11/246:45 pmSTN - DCA
3 stops25h 46mMultiple Airlines
Deal found 10/31$567
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:05 pmIAD - STN
1 stop13h 00mMultiple Airlines
Thu 11/206:30 amSTN - IAD
1 stop14h 05mMultiple Airlines
Deal found 10/30$568
This CrystalTravel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:40 pmIAD - LGW
1 stop10h 15mIcelandair
Wed 12/311:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 11/2$568
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:05 pmIAD - LTN
1 stop13h 40mMultiple Airlines
Thu 11/209:00 amLTN - IAD
1 stop11h 35mMultiple Airlines
Deal found 10/30$568

Cheap flight deals from District of Columbia to London

Keep the following information in mind while searching for District of Columbia to London flight deals. Data was last updated November 3, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$561
(CrystalTravel)

One-way from

$249
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$744

Good round-trip deal

$703 or less

Good one-way deal

$442 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From District of Columbia to London (LON)
Search Deals
One-way flight from District of Columbia to London (LON)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to London (LON).
Search Deals
Price to beat on a one-way flight from District of Columbia to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

District of Columbia

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Sun 12/7

4:10 pm-1:30 pm

2 stops16h 20m

London Stansted

Thu 12/11

8:30 am-9:56 pm

2 stops18h 26m

$569

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 12/2

6:00 am-11:30 am

2 stops24h 30m

London Stansted

Fri 12/12

8:05 am-9:56 pm

2 stops18h 51m

$570

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 11/5

6:50 pm-1:20 pm

1 stop13h 30m

London Stansted

Wed 11/12

6:30 am-3:35 pm

1 stop14h 05m

$573

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Sun 11/16

11:05 am-11:20 pm

3 stops31h 15m

London Stansted

Wed 11/19

7:25 pm-3:31 pm

3 stops25h 06m

$573

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 12/1

5:30 pm-9:50 am

1 stop11h 20m

London Gatwick

Sun 12/7

10:40 am-9:00 pm

1 stop15h 20m

$576

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 11/9

10:20 pm-10:50 am

Nonstop7h 30m

London Heathrow

Wed 11/19

8:55 am-4:35 pm

1 stop12h 40m

$576

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 12/2

11:05 am-1:50 pm

2 stops21h 45m

London Stansted

Wed 12/10

5:55 am-9:56 pm

2 stops21h 01m

$577

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 12/8

10:20 pm-10:50 am

Nonstop7h 30m

London Heathrow

Sun 12/14

6:30 am-4:05 pm

1 stop14h 35m

$579

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 11/30

10:20 pm-10:50 am

Nonstop7h 30m

London Heathrow

Wed 12/17

10:00 am-4:05 pm

1 stop11h 05m

$581

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 11/9

10:20 pm-10:50 am

Nonstop7h 30m

London Heathrow

Tue 11/18

4:50 pm-8:30 pm

Nonstop8h 40m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to London

Have a flexible travel schedule? Discover the best time to fly to London from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London

What is the cheapest month to book a flight from District of Columbia to London?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to London (average of $31). Flying from District of Columbia to London in June is currently the most expensive (average of $748). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to LON?

Find hourly flight availability from District of Columbia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

When flying from District of Columbia to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight at noon.

What is the cheapest day to fly from District of Columbia to London?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to London flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from District of Columbia to London

Explore weekly flight availability from District of Columbia to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from USDC to LON are scheduled on a Wednesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from District of Columbia to London?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from District of Columbia to London?

    Departing from District of Columbia to London will take you 7h 30m. The distance between District of Columbia and London is about 3664 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from District of Columbia to London one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $277. However, be on the lookout for offers from TAP AIR PORTUGAL and Virgin Atlantic, as they are both options that can get you from District of Columbia to London for a low price.

  • What are the most popular routes from District of Columbia to London?

    When deciding which route to take from District of Columbia to London consider Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Reagan-National - London Heathrow or Washington, D.C. Dulles Intl - London Gatwick as they are the most popular.

  • What are the most reliable airlines from District of Columbia to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from District of Columbia to London on time: KLM (88%), Aer Lingus (85%), American Airlines (84%).

  • What are the cheapest flights from District of Columbia to London?

    Looking at all options, your cheapest flight can be booked for $380. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $420 on average, our data indicates $2,159 when flying from District of Columbia to London.

  • Can I find deals for flights from District of Columbia to London that include hotel bookings?

    Yes. In addition to deals on District of Columbia to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to London.

  • Can I find deals for business class flights from District of Columbia to London?

    Yes. Cheapflights offers flight deals from District of Columbia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to London?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to London (average of $31). Flying from District of Columbia to London in June is currently the most expensive (average of $748). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for District of Columbia to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from District of Columbia to London

Discover the top 10 airlines that operate flights from District of Columbia to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$31Average$799FlexibilityNo cancel feeOn-time62%
PLAYCheapest$369Average$522FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$395Average$604FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$397Average$900FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$424Average$596FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$432Average$648FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$497Average$851FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$850FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$506Average$837FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$654FlexibilityNo cancel feeOn-time75%

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