Cheap flights from London Heathrow Airport to District of Columbia from £353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to District of Columbia departing on 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to District of Columbia

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
17:50 - 16:57
LHR
-
DCA
28h 07m
2 stops
United Airlines Logo
15:05 - 07:15
DCA
-
LHR
11h 10m
1 stop
£460United Airlines
Sun, 5 Jul - Sat, 18 Jul
Multiple Airlines Logo
09:30 - 16:05
LHR
-
IAD
11h 35m
1 stop
Multiple Airlines Logo
17:35 - 21:35
IAD
-
LHR
23h 00m
1 stop
£461Multiple Airlines
Thu, 16 Jul - Fri, 4 Sep
Lufthansa Logo
16:40 - 20:00
LHR
-
IAD
8h 20mdirect
Lufthansa Logo
22:15 - 10:40
IAD
-
LHR
7h 25mdirect
£462Lufthansa
Wed, 8 Jul - Mon, 27 Jul
Lufthansa Logo
16:40 - 20:00
LHR
-
IAD
8h 20mdirect
Lufthansa Logo
18:30 - 06:55
IAD
-
LHR
7h 25mdirect
£463Lufthansa
Wed, 8 Jul - Mon, 27 Jul
Lufthansa Logo
07:30 - 16:05
LHR
-
IAD
13h 35m
1 stop
Lufthansa Logo
18:30 - 06:55
IAD
-
LHR
7h 25mdirect
£464Lufthansa
Thu, 16 Jul - Thu, 23 Jul
United Airlines Logo
08:45 - 16:45
LHR
-
IAD
13h 00m
1 stop
United Airlines Logo
06:15 - 21:25
IAD
-
LHR
10h 10m
1 stop
£465United Airlines
Thu, 16 Jul - Sat, 5 Sep
British Airways Logo
15:00 - 22:20
LHR
-
DCA
12h 20m
1 stop
British Airways Logo
15:23 - 06:55
DCA
-
LHR
10h 32m
1 stop
£467British Airways
Thu, 2 Jul - Tue, 21 Jul
Finnair Logo
15:00 - 21:59
LHR
-
DCA
11h 59m
1 stop
Finnair Logo
17:00 - 08:00
DCA
-
LHR
10h 00m
1 stop
£468Finnair
Wed, 1 Jul - Mon, 6 Jul
British Airways Logo
15:00 - 21:54
LHR
-
DCA
11h 54m
1 stop
British Airways Logo
14:54 - 06:25
DCA
-
LHR
10h 31m
1 stop
£472British Airways
Sat, 27 Jun - Tue, 14 Jul
Finnair Logo
09:15 - 16:13
LHR
-
DCA
11h 58m
1 stop
Finnair Logo
15:11 - 06:55
DCA
-
LHR
10h 44m
1 stop
£487Finnair
Thu, 9 Jul - Sat, 8 Aug

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Lufthansa flights from London Heathrow Airport to District of Columbia

Our best Lufthansa deals on London Heathrow Airport to District of Columbia flight tickets
Lufthansa
8 Jul
LHR16:40London Heathrow
8h 20m
IAD20:00Washington, D.C. Dulles Intl
27 Jul
IAD22:15Washington, D.C. Dulles Intl
7h 25m
LHR10:40London Heathrow
£462
Lufthansa
25 Aug
LHR12:15London Heathrow
8h 15m
IAD15:30Washington, D.C. Dulles Intl
30 Aug
IAD22:15Washington, D.C. Dulles Intl
7h 25m
LHR10:40London Heathrow
£463
Lufthansa
16 Jul
LHR07:30London Heathrow
13h 35m
1 stop
IAD16:05Washington, D.C. Dulles Intl
23 Jul
IAD18:30Washington, D.C. Dulles Intl
7h 25m
LHR06:55London Heathrow
£464

United Airlines flights from London Heathrow Airport to District of Columbia

Our best United Airlines deals on London Heathrow Airport to District of Columbia flight tickets
United Airlines
5 Jul
LHR17:50London Heathrow
28h 07m
2 stops
DCA16:57Washington, D.C. Reagan-National
18 Jul
DCA15:05Washington, D.C. Reagan-National
11h 10m
1 stop
LHR07:15London Heathrow
£460
United Airlines
16 Jul
LHR08:45London Heathrow
13h 00m
1 stop
IAD16:45Washington, D.C. Dulles Intl
7 Sept
IAD06:15Washington, D.C. Dulles Intl
10h 20m
1 stop
LHR21:35London Heathrow
£465
United Airlines
9 Sept
LHR16:40London Heathrow
8h 35m
IAD20:15Washington, D.C. Dulles Intl
18 Sept
IAD18:35Washington, D.C. Dulles Intl
7h 20m
LHR06:55London Heathrow
£468

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to District of Columbia 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 17 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 5/7

17:50-16:57

2 stops28h 07m

Washington, D.C. Reagan-National

Sat 18/7

15:05-07:15

1 stop11h 10m

£460

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 16/7

09:30-16:05

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 4/9

17:35-21:35

1 stop23h 00m

£461
Fastest return journey

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 8/7

16:40-20:00

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 27/7

22:15-10:40

Nonstop7h 25m

£462

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 8/7

16:40-20:00

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 27/7

18:30-06:55

Nonstop7h 25m

£463

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 16/7

07:30-16:05

1 stop13h 35m

Washington, D.C. Dulles Intl

Thu 23/7

18:30-06:55

Nonstop7h 25m

£464

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 16/7

08:45-16:45

1 stop13h 00m

Washington, D.C. Dulles Intl

Sat 5/9

06:15-21:25

1 stop10h 10m

£465

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 2/7

15:00-22:20

1 stop12h 20m

Washington, D.C. Reagan-National

Tue 21/7

15:23-06:55

1 stop10h 32m

£467

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 1/7

15:00-21:59

1 stop11h 59m

Washington, D.C. Reagan-National

Mon 6/7

17:00-08:00

1 stop10h 00m

£468

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 27/6

15:00-21:54

1 stop11h 54m

Washington, D.C. Reagan-National

Tue 14/7

14:54-06:25

1 stop10h 31m

£472

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 9/7

09:15-16:13

1 stop11h 58m

Washington, D.C. Reagan-National

Sat 8/8

15:11-06:55

1 stop10h 44m

£487

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from London Heathrow Airport to District of Columbia

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 District of Columbia?

The cheapest month to fly to District of Columbia from London Heathrow Airport is in January. Flight prices, which tend to average around £264, are often lower during this time because this is during the off-season. If you are unable to visit District of Columbia during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £323.

What is the cheapest day to depart on your flight to District of Columbia?

Our data shows that Wednesday is the least expensive day to fly to District of Columbia. Tickets to fly out on this day can be as low as £572. Flights from London Heathrow Airport to District of Columbia on a Sunday will generally be more expensive and average around £617. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to District of Columbia?

At midday is the cheapest time of day to fly from London Heathrow Airport to District of Columbia when you can find flight prices for as low as £575. Flying to District of Columbia at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to District of Columbia is in the morning when prices are around £587.

What is the cheapest London Heathrow to District of Columbia flight route?

Fly from London Heathrow to Baltimore/Washington for the best London Heathrow - District of Columbia flight prices

How far in advance should I book a flight from London Heathrow Airport to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around £544 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from London Heathrow Airport for as low as £504 on momondo.

What cabin class options are available on London Heathrow Airport to District of Columbia flights?

There are 3 cabin classes available to choose from on London Heathrow Airport to District of Columbia 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 London Heathrow Airport to District of Columbia flights?

You could potentially save up to 26% on your flight if you consider stops on a London Heathrow Airport to District of Columbia flight.

Cheap London Heathrow Airport to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to District of Columbia

Best price found

£496

Fastest flight time

8h 15m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from London Heathrow Airport in the past 72 hours is £496. The best return flight deal from London Heathrow Airport to District of Columbia found on momondo in the last 72 hours is £560.
The fastest flight from London Heathrow Airport to District of Columbia takes 8h 15m
Direct flights go from London Heathrow Airport to District of Columbia every day.
There are 2 airports in District of Columbia. From London Heathrow Airport there are direct flights to Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from London Heathrow Airport to District of Columbia

  • When did momondo last update prices for flights from London Heathrow Airport to District of Columbia?

    Prices for flights from London Heathrow Airport to District of Columbia are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to District of Columbia?

  • How old do you have to be to fly from London Heathrow Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. 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 London Heathrow Airport to District of Columbia?

Best airlines flying from London Heathrow Airport to District of Columbia

Compare and see reviews for airlines that fly from London Heathrow Airport to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £331Free CancellationRating
7.0
678 reviews
Search Icelandair flights
United AirlinesPriceFrom £331Free CancellationRating
7.4
9,842 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom £341Free CancellationRating
7.2
2,280 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom £364Free CancellationRating
7.3
1,604 reviews
Search Aer Lingus flights
KLMPriceFrom £377Free CancellationRating
7.8
1,529 reviews
Search KLM flights
LufthansaPriceFrom £402Free CancellationRating
6.8
8,066 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £405Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom £409Free CancellationRating
7.4
1,828 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £410Free CancellationRating
6.7
8,054 reviews
Search British Airways flights
JetBluePriceFrom £414Free CancellationRating
7.1
2,984 reviews
Search JetBlue flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to District of Columbia. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for London to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to District of Columbia, momondo offers a useful price alert feature which will track prices for flights to District of Columbia from London and alert you when they change.

An easier way to manage your District of Columbia trip

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1 adult
Fri 17/7
Fri 24/7

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Popular flights according to clicks in the last 7 days on momondo