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

Departing from District of Columbia to London will take you 7h 35m. There are 3664 mi between District of Columbia and London. Both multi-stop and direct flights can be found to your destination and back.

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

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £161. Users have also found prices from £225 and £227 on Virgin Atlantic and JetBlue, respectively.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

The most popular flight routes from District of Columbia to London are Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Reagan-National - London Heathrow and Washington, D.C. Dulles Intl - London Gatwick.

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

Looking for the cheapest flight from District of Columbia to London? While on average our users pay £589, our data indicates the cheapest price to be £262. The most popular route (Washington, D.C. Dulles Intl - London Heathrow), is priced around £452.

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

Before booking your flight to London from District of Columbia, check out the most reliable airlines to get you to your destination on time: Finnair (79%), KLM (71%), Air France( 71%).

What are the most popular airlines that fly from District of Columbia to London?

The most popular airlines flying from District of Columbia to London are British Airways, Virgin Atlantic and United Airlines. Something to consider prior to booking your flight.

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 holiday 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.

£209+ Cheap Flights from District of Columbia to London

Cheap flight deals from District of Columbia to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 12 August 2026.

Thu 5/1119:40 -

2 stops21h 15m

Mon 9/1106:45 -

2 stops16h 45m

Deal found 10/8£460

Sun 11/1020:20 -

2 stops17h 55m

Sun 18/1017:20 -

3 stops28h 40m

Deal found 11/8£460

Sat 31/1018:25 -

1 stop14h 15m

Fri 13/1112:25 -

1 stop13h 10m

Deal found 10/8£461

Tue 22/922:35 -

1 stop15h 15m

Tue 29/906:00 -

1 stop14h 10m

Deal found 10/8£461

Thu 29/1018:25 -

1 stop13h 00m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 10/8£462

Mon 21/922:35 -

1 stop15h 15m

Tue 29/906:00 -

1 stop14h 10m

Deal found 10/8£463

Mon 12/1020:20 -

2 stops21h 05m

Sun 18/1018:55 -

2 stops27h 05m

Deal found 8/8£463

Mon 21/917:40 -

1 stop11h 40m

Fri 16/1006:00 -

1 stop13h 25m

Deal found 9/8£463

Mon 21/917:40 -

1 stop11h 40m

Mon 5/1006:00 -

1 stop14h 10m

Deal found 8/8£464

Fri 30/1020:40 -

2 stops22h 35m

Tue 3/1108:15 -

2 stops15h 15m

Deal found 8/8£465

Wed 11/1122:30 -

1 stop11h 35m

Mon 16/1116:35 -

1 stop27h 10m

Deal found 10/8£465

Mon 5/1017:40 -

2 stops15h 25m

Tue 13/1013:40 -

2 stops30h 30m

Deal found 11/8£465

Best flights from District of Columbia to London
Discover carefully curated flight deals from District of Columbia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 August 2026.

Thu 19/1117:25 -

2 stops15h 20m

Wed 25/1107:45 -

2 stops17h 50m

Deal found 11/8£510

Fri 23/1017:05 -

2 stops22h 20m

Wed 28/1016:35 -

1 stop27h 40m

Deal found 9/8£564

Tue 22/922:05 -

Nonstop7h 35m

Fri 2/1006:50 -

1 stop12h 25m

Deal found 7/8£630

Wed 14/1022:05 -

Nonstop7h 35m

Mon 19/1011:45 -

1 stop32h 50m

Deal found 7/8£631

Sun 27/921:40 -

1 stop38h 00m

Tue 6/1017:35 -

1 stop22h 55m

Deal found 8/8£632

Wed 16/911:10 -

2 stops23h 50m

Tue 22/907:05 -

2 stops20h 54m

Deal found 8/8£640

Wed 30/911:10 -

2 stops15h 45m

Wed 7/1017:10 -

1 stop27h 25m

Deal found 8/8£655

Mon 2/1112:10 -

1 stop13h 45m

Sun 8/1112:20 -

1 stop15h 28m

Deal found 10/8£663

Wed 23/915:25 -

1 stop12h 15m

Wed 30/909:15 -

1 stop11h 50m

Deal found 8/8£668

Wed 21/1017:10 -

1 stop9h 40m

Wed 28/1011:45 -

1 stop12h 25m

Deal found 11/8£669

Mon 25/118:15 -

1 stop10h 15m

Sat 30/110:00 -

1 stop10h 55m

Deal found 10/8£696

Wed 4/1116:00 -

2 stops16h 45m

Tue 10/1107:45 -

2 stops19h 14m

Deal found 11/8£527

Tue 29/906:59 -

2 stops33h 01m

Wed 14/1021:30 -

3 stops23h 10m

Deal found 12/8£532

Tue 13/1021:40 -

1 stop38h 00m

Tue 20/1017:35 -

1 stop31h 10m

Deal found 7/8£632

Tue 20/1011:05 -

2 stops17h 30m

Thu 29/1019:30 -

2 stops32h 07m

Deal found 11/8£640

Tue 29/918:35 -

Nonstop7h 20m

Mon 5/1017:55 -

1 stop25h 20m

Deal found 11/8£640

Wed 30/921:45 -

1 stop13h 15m

Fri 9/1010:25 -

2 stops30h 25m

Deal found 11/8£646

Wed 30/911:00 -

2 stops21h 55m

Wed 7/1008:00 -

2 stops17h 00m

Deal found 10/8£539

Wed 30/914:20 -

1 stop11h 10m

Sun 11/1011:55 -

1 stop16h 04m

Deal found 7/8£663

Mon 5/1022:35 -

1 stop12h 00m

Sat 7/1116:35 -

1 stop33h 00m

Deal found 7/8£687

Wed 7/1010:57 -

2 stops15h 58m

Mon 12/1008:25 -

1 stop12h 10m

Deal found 7/8£692

Tue 20/1011:05 -

2 stops17h 30m

Thu 3/1219:30 -

2 stops32h 18m

Deal found 10/8£640

Thu 10/922:05 -

Nonstop7h 35m

Tue 15/908:40 -

1 stop11h 55m

Deal found 11/8£720

Tue 29/918:15 -

1 stop10h 10m

Mon 12/1010:25 -

2 stops36h 08m

Deal found 11/8£656

Tue 22/906:00 -

2 stops24h 40m

Mon 28/920:45 -

3 stops30h 05m

Deal found 10/8£546

Thu 8/1021:40 -

1 stop38h 10m

Mon 12/1010:50 -

1 stop29h 40m

Deal found 7/8£662

Sun 20/906:30 -

1 stop9h 15m

Tue 22/908:40 -

1 stop12h 19m

Deal found 7/8£663

Wed 9/922:35 -

2 stops16h 55m

Wed 23/921:15 -

2 stops22h 55m

Deal found 10/8£689

Thu 1/1015:45 -

1 stop13h 15m

Fri 9/1016:40 -

Nonstop8h 40m

Deal found 10/8£692

Tue 26/113:00 -

2 stops15h 00m

Sun 31/110:00 -

2 stops19h 20m

Deal found 10/8£693

Find flight deals from District of Columbia to London

Round-trip from	£460
One-way from	£209
Popular in	June
Cheapest in	January
Average price	£639
Good round-trip deal	£718 or less
Good one-way deal	£336 or less

5/11-9/11
4 total stops
38h 00m total
District of Columbia to London

Search Deals

Icelandair
18/9
1 total stop
10h 20m total
District of Columbia to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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

Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Thu 19/11

17:25-13:45

2 stops15h 20m

London Luton

Wed 25/11

07:45-20:35

2 stops17h 50m

£510

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LTN London Luton

DCALTN

Washington, D.C. Reagan-National

Wed 4/11

16:00-13:45

2 stops16h 45m

London Luton

Tue 10/11

07:45-21:59

2 stops19h 14m

£527

Washington, D.C.London

DCA Washington, D.C. Reagan-National - STN London Stansted

DCASTN

Washington, D.C. Reagan-National

Tue 29/9

06:59-21:00

2 stops33h 01m

London Stansted

Wed 14/10

21:30-15:40

3 stops23h 10m

£532

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LTN London Luton

DCALTN

Washington, D.C. Reagan-National

Wed 30/9

11:00-13:55

2 stops21h 55m

London Luton

Wed 7/10

08:00-20:00

2 stops17h 00m

£539

Washington, D.C.London

DCA Washington, D.C. Reagan-National - STN London Stansted

DCASTN

Washington, D.C. Reagan-National

Tue 22/9

06:00-11:40

2 stops24h 40m

London Stansted

Mon 28/9

20:45-21:50

3 stops30h 05m

£546

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Fri 23/10

17:05-20:25

2 stops22h 20m

London Gatwick

Wed 28/10

16:35-16:15

1 stop27h 40m

£564

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 22/9

22:05-10:40

Nonstop7h 35m

London Heathrow

Fri 2/10

06:50-14:15

1 stop12h 25m

£630

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 14/10

22:05-10:40

Nonstop7h 35m

London Heathrow

Mon 19/10

11:45-15:35

1 stop32h 50m

£631

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - STN London Stansted

IADSTN

Washington, D.C. Dulles Intl

Sun 27/9

21:40-16:40

1 stop38h 00m

London Stansted

Tue 6/10

17:35-11:30

1 stop22h 55m

£632

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - STN London Stansted

IADSTN

Washington, D.C. Dulles Intl

Tue 13/10

21:40-16:40

1 stop38h 00m

London Stansted

Tue 20/10

17:35-19:45

1 stop31h 10m

£632

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

IAD-LHR

IAD-LGW

IAD-STN

IAD-LTN

DCA-STN

Estimated return 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

USDC-LON

IAD-LHR

IAD-LGW

IAD-STN

IAD-LTN

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

Currently, February is the cheapest month in which you can book a flight from District of Columbia to London (average of £493). Flying from District of Columbia to London in June is currently the most expensive (average of £934). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to London as you normally would.

Weekly flight availability from District of Columbia to London

The most flights from USDC to LON are scheduled on a Tuesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 on average).

How much does it cost for a return flight from District of Columbia to London?

Airfare is below average for this route at the moment.

District of Columbia to London flights typically cost between £480 and £708 in November.
The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).

How far ahead should I book a flight from District of Columbia to London?

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from District of Columbia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from District of Columbia to London?
Departing from District of Columbia to London will take you 7h 35m. There are 3664 mi between District of Columbia and London. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from District of Columbia to London one-way?
For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £161. Users have also found prices from £225 and £227 on Virgin Atlantic and JetBlue, respectively.
What are the most popular routes from District of Columbia to London?
The most popular flight routes from District of Columbia to London are Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Reagan-National - London Heathrow and Washington, D.C. Dulles Intl - London Gatwick.
What are the most reliable airlines from District of Columbia to London?
Before booking your flight to London from District of Columbia, check out the most reliable airlines to get you to your destination on time: Finnair (79%), KLM (71%), Air France( 71%).
What are the cheapest flights from District of Columbia to London?
Looking for the cheapest flight from District of Columbia to London? While on average our users pay £589, our data indicates the cheapest price to be £262. The most popular route (Washington, D.C. Dulles Intl - London Heathrow), is priced around £452.
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 holiday 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, February is the cheapest month in which you can book a flight from District of Columbia to London (average of £493). Flying from District of Columbia to London in June is currently the most expensive (average of £934). 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.

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Top 5 airlines flying from District of Columbia to London

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£185	Average£611	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£423	Average£588	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£426	Average£587	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£490	Average£718	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£590	Average£958	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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How does Cheapflights help users find flights from District of Columbia to London?

Cheapflights helps you search for flights from District of Columbia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from District of Columbia to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from District of Columbia to London with no change fees?

Yes, we can. To see specific flights from District of Columbia to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from District of Columbia to London become cheaper?

Of course! You can now track prices for flights from District of Columbia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from District of Columbia to London from £209

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from District of Columbia to London

Cheapest flights from District of Columbia to LondonExplore 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 12 August 2026.

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 12 August 2026.

Best flights from District of Columbia to LondonDiscover carefully curated flight deals from District of Columbia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 August 2026.

Discover carefully curated flight deals from District of Columbia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 August 2026.

Direct flights from District of Columbia to LondonExplore direct flight options from District of Columbia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 August 2026.

Explore direct flight options from District of Columbia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 August 2026.

Last-minute flights from District of Columbia to LondonDiscover last-minute flight deals from District of Columbia to London. Data last updated 12 August 2026 and is based on user searches.

Discover last-minute flight deals from District of Columbia to London. Data last updated 12 August 2026 and is based on user searches.

One-way flights from District of Columbia to LondonSearch for one-way flight options from District of Columbia to London. Find affordable one-way fares based on user searches. Data last updated 12 August 2026.

Search for one-way flight options from District of Columbia to London. Find affordable one-way fares based on user searches. Data last updated 12 August 2026.

Find flight deals from District of Columbia to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to London that are best for you.

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.

Cheapflights Insights

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

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 12 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to London as you normally would.

Weekly flight availability from District of Columbia to London

The most flights from USDC to LON are scheduled on a Tuesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 on average).

How much does it cost for a return flight from District of Columbia to London?

Airfare is below average for this route at the moment.

District of Columbia to London flights typically cost between £480 and £708 in November.The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).

How far ahead should I book a flight from District of Columbia to London?

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from District of Columbia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

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

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

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

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

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

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

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

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

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

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Alternative routes for District of Columbia to London

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Complete your trip

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Other flights to London

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District of Columbia and London flights

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District of Columbia to London flights

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Top 5 airlines flying from District of Columbia to London

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Can Cheapflights notify me if prices for flights from District of Columbia to London become cheaper?

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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 12 August 2026.

Best flights from District of Columbia to London
Discover carefully curated flight deals from District of Columbia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 August 2026.

Direct flights from District of Columbia to London
Explore direct flight options from District of Columbia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 August 2026.

Last-minute flights from District of Columbia to London
Discover last-minute flight deals from District of Columbia to London. Data last updated 12 August 2026 and is based on user searches.

One-way flights from District of Columbia to London
Search for one-way flight options from District of Columbia to London. Find affordable one-way fares based on user searches. Data last updated 12 August 2026.

District of Columbia to London flights typically cost between £480 and £708 in November.
The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).