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Cheap flights from District of Columbia to the United Kingdom from £229

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to the United Kingdom departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from District of Columbia to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:30 - 00:20
IAD
-
STN
22h 50m
2 stops
Multiple Airlines Logo
06:30 - 20:29
STN
-
IAD
18h 59m
3 stops
£488Multiple Airlines
Mon, 27 Apr - Tue, 26 May
Multiple Airlines Logo
20:30 - 00:20
IAD
-
STN
22h 50m
2 stops
Multiple Airlines Logo
06:30 - 20:29
STN
-
IAD
18h 59m
3 stops
£489Multiple Airlines
Mon, 27 Apr - Tue, 26 May
Scandinavian Airlines Logo
20:20 - 09:20
IAD
-
LHR
32h 00m
1 stop
Scandinavian Airlines Logo
06:40 - 17:00
LHR
-
IAD
15h 20m
2 stops
£498Scandinavian Airlines
Thu, 8 Oct - Sun, 11 Oct
Scandinavian Airlines Logo
20:20 - 16:00
IAD
-
LHR
14h 40m
1 stop
Scandinavian Airlines Logo
19:50 - 17:00
LHR
-
IAD
26h 10m
2 stops
£499Scandinavian Airlines
Mon, 27 Apr - Thu, 7 May
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
£501Icelandair
Thu, 8 Oct - Thu, 22 Oct
Icelandair Logo
20:30 - 13:25
IAD
-
GLA
11h 55m
1 stop
Icelandair Logo
14:20 - 19:20
GLA
-
IAD
10h 00m
1 stop
£508Icelandair
Thu, 3 Sep - Tue, 15 Sep
JetBlue Logo
06:00 - 20:45
DCA
-
LHR
9h 45m
1 stop
JetBlue Logo
08:40 - 14:43
LHR
-
DCA
11h 03m
1 stop
£578JetBlue
Mon, 11 May - Sun, 24 May
JetBlue Logo
07:00 - 06:30
DCA
-
LHR
18h 30m
1 stop
JetBlue Logo
08:40 - 15:42
LHR
-
DCA
12h 02m
1 stop
£581JetBlue
Mon, 4 May - Fri, 8 May
SWISS Logo
20:20 - 12:35
IAD
-
LCY
11h 15m
1 stop
SWISS Logo
09:15 - 16:45
LCY
-
IAD
12h 30m
1 stop
£611SWISS
Tue, 8 Sep - Tue, 29 Sep
SWISS Logo
20:20 - 12:35
IAD
-
LCY
11h 15m
1 stop
SWISS Logo
09:15 - 16:45
LCY
-
IAD
12h 30m
1 stop
£612SWISS
Sun, 23 Aug - Fri, 23 Oct

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TAP AIR PORTUGAL flights from District of Columbia to United Kingdom

Our best TAP AIR PORTUGAL deals on District of Columbia to United Kingdom flight tickets
TAP AIR PORTUGAL
5 May
IAD22:35Washington, D.C. Dulles Intl
15h 15m
1 stop
LHR18:50London Heathrow
14 May
LHR06:00London Heathrow
14h 10m
1 stop
IAD15:10Washington, D.C. Dulles Intl
£524
TAP AIR PORTUGAL
6 May
IAD17:45Washington, D.C. Dulles Intl
15h 15m
1 stop
LGW14:00London Gatwick
11 May
LGW10:35London Gatwick
15h 00m
1 stop
IAD20:35Washington, D.C. Dulles Intl
£539

Scandinavian Airlines flights from District of Columbia to United Kingdom

Our best Scandinavian Airlines deals on District of Columbia to United Kingdom flight tickets
Scandinavian Airlines
8 Oct
IAD20:20Washington, D.C. Dulles Intl
32h 00m
1 stop
LHR09:20London Heathrow
11 Oct
LHR06:40London Heathrow
15h 20m
2 stops
IAD17:00Washington, D.C. Dulles Intl
£498
Scandinavian Airlines
27 Apr
IAD20:20Washington, D.C. Dulles Intl
14h 40m
1 stop
LHR16:00London Heathrow
7 May
LHR19:30London Heathrow
26h 30m
1 stop
IAD17:00Washington, D.C. Dulles Intl
£499
Scandinavian Airlines
27 Apr
IAD20:20Washington, D.C. Dulles Intl
14h 40m
1 stop
LHR16:00London Heathrow
11 May
LHR10:20London Heathrow
11h 40m
1 stop
IAD17:00Washington, D.C. Dulles Intl
£500

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to United Kingdom 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, momondo users made 279,928 searches. Data last updated 16 April 2026.
Use the filters below to find and compare flights from District of Columbia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 27/4

20:30-00:20

2 stops22h 50m

London Stansted

Tue 26/5

06:30-20:29

3 stops18h 59m

£488

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 27/4

20:30-00:20

2 stops22h 50m

London Stansted

Tue 26/5

06:30-20:29

3 stops18h 59m

£489

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 8/10

20:20-09:20

1 stop32h 00m

London Heathrow

Sun 11/10

06:40-17:00

2 stops15h 20m

£498

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 27/4

20:20-16:00

1 stop14h 40m

London Heathrow

Thu 7/5

19:50-17:00

2 stops26h 10m

£499

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 8/10

20:30-13:25

1 stop11h 55m

Glasgow Intl

Thu 22/10

14:20-19:20

1 stop10h 00m

£501

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 3/9

20:30-13:25

1 stop11h 55m

Glasgow Intl

Tue 15/9

14:20-19:20

1 stop10h 00m

£508
Fastest return journey

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 11/5

06:00-20:45

1 stop9h 45m

London Heathrow

Sun 24/5

08:40-14:43

1 stop11h 03m

£578

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 4/5

07:00-06:30

1 stop18h 30m

London Heathrow

Fri 8/5

08:40-15:42

1 stop12h 02m

£581

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 8/9

20:20-12:35

1 stop11h 15m

London City

Tue 29/9

09:15-16:45

1 stop12h 30m

£611

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 23/8

20:20-12:35

1 stop11h 15m

London City

Fri 23/10

09:15-16:45

1 stop12h 30m

£612

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from District of Columbia to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from District of Columbia is in September. Flight prices, which tend to average around £470, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of September, then departing from District of Columbia during the month January is also very affordable. Most momondo users find prices during this month for around £472.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from District of Columbia to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £546. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to United Kingdom for around £600.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £538. Try not to purchase tickets in the evening because they tend to be around £587. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest District of Columbia to United Kingdom flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £576 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from District of Columbia for as low as £537 on momondo.

What cabin class options are available on District of Columbia to United Kingdom flights?

There are 4 cabin classes available to choose from on District of Columbia to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to United Kingdom flights?

You could potentially save up to 46% on your flight if you consider stops on a District of Columbia to United Kingdom flight.

Cheap District of Columbia to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to United Kingdom

Best price found

£367

Fastest flight time

7h 10m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from District of Columbia in the past 72 hours is £367. The best return flight deal from District of Columbia to United Kingdom found on momondo in the last 72 hours is £642.
The fastest flight from District of Columbia to United Kingdom takes 7h 10m
Direct flights go from District of Columbia to United Kingdom every day.
There are 1,286 airports in United Kingdom. From District of Columbia there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

Frequently asked questions about flying from District of Columbia to the United Kingdom

  • When did momondo last update prices for flights from District of Columbia to United Kingdom?

    Prices for flights from District of Columbia to United Kingdom are updated daily.

  • How many operators does momondo search for flights from District of Columbia to United Kingdom?

  • How old do you have to be to fly from District of Columbia to United Kingdom?

    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 District of Columbia to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from District of Columbia to United Kingdom?

Best airlines flying from District of Columbia to United Kingdom

Compare and see reviews for airlines that fly from District of Columbia to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £306Free CancellationRating
6.8
7,926 reviews
Search Lufthansa flights
IcelandairPriceFrom £364Free CancellationRating
7.0
634 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £374Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £386Free CancellationRating
6.7
7,889 reviews
Search British Airways flights
Aer LingusPriceFrom £474Free CancellationRating
7.2
1,510 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £485Free CancellationRating
7.4
9,595 reviews
Search United Airlines flights
American AirlinesPriceFrom £506Free CancellationRating
7.1
11,586 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to United Kingdom?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to United Kingdom with flexible booking policies on momondo?

All flight searches from District of Columbia to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to United Kingdom?

Once all potential District of Columbia to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to United Kingdom right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.

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