Flights to Washington, D.C.

£206 Cheap flights to Washington, D.C.

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. departing on 16/1. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United Kingdom to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
18:30 - 15:15LHR-IAD
25h 45m1 stop
TAP AIR PORTUGAL Logo
22:30 - 17:30IAD-LHR
14h 00m1 stop
£395TAP AIR PORTUGAL
Find Deal
So, 23 Nov - So, 30 Nov
TAP AIR PORTUGAL Logo
06:00 - 15:15LHR-IAD
14h 15m1 stop
TAP AIR PORTUGAL Logo
22:30 - 15:30IAD-LHR
12h 00m1 stop
£396TAP AIR PORTUGAL
Find Deal
Do, 4 Dez - Mi, 10 Dez
Icelandair Logo
09:20 - 13:09LHR-DCA
32h 49m1 stop
Icelandair Logo
20:35 - 06:55DCA-LHR
29h 20m1 stop
£415Icelandair
Find Deal
Mi, 10 Dez - So, 14 Dez
United Airlines Logo
06:50 - 16:46LHR-DCA
14h 56m2 stops
United Airlines Logo
18:50 - 06:30DCA-LHR
30h 40m1 stop
£417United Airlines
Find Deal
Sa, 8 Nov - Sa, 8 Nov
Icelandair Logo
09:20 - 18:04LHR-DCA
13h 44m1 stop
Icelandair Logo
20:35 - 06:55DCA-LHR
29h 20m1 stop
£420Icelandair
Find Deal
Mi, 10 Dez - So, 14 Dez
United Airlines Logo
18:00 - 11:45LHR-IAD
22h 45m1 stop
United Airlines Logo
22:15 - 10:50IAD-LHR
7h 35mdirect
£440United Airlines
Find Deal
Sa, 29 Nov - So, 30 Nov
Virgin Atlantic Logo
10:45 - 22:03LHR-BWI
16h 18m1 stop
Virgin Atlantic Logo
14:10 - 07:50BWI-LHR
12h 40m1 stop
£490Virgin Atlantic
Find Deal
Mi, 24 Dez - Mo, 5 Jan
Virgin Atlantic Logo
08:55 - 22:44LHR-BWI
18h 49m1 stop
Virgin Atlantic Logo
18:59 - 11:40BWI-LHR
11h 41m1 stop
£491Virgin Atlantic
Find Deal
Mo, 22 Dez - Fr, 2 Jan
British Airways Logo
11:45 - 10:17LGW-DCA
27h 32m2 stops
British Airways Logo
13:44 - 10:50DCA-LGW
16h 06m2 stops
£597British Airways
Find Deal
Do, 13 Nov - Di, 25 Nov
British Airways Logo
11:20 - 21:59LGW-DCA
15h 39m1 stop
British Airways Logo
08:19 - 07:30DCA-LGW
18h 11m1 stop
£604British Airways
Find Deal
Di, 25 Nov - Mo, 1 Dez

momondo Fare Finder

 
Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 17 Oktober 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

So 23/11

18:30-15:15

1 stop25h 45m

Washington, D.C. Dulles Intl

So 30/11

22:30-17:30

1 stop14h 00m

£395

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Do 4/12

06:00-15:15

1 stop14h 15m

Washington, D.C. Dulles Intl

Mi 10/12

22:30-15:30

1 stop12h 00m

£396

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mi 10/12

09:20-13:09

1 stop32h 49m

Washington, D.C. Reagan-National

So 14/12

20:35-06:55

1 stop29h 20m

£415

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sa 8/11

06:50-16:46

2 stops14h 56m

Washington, D.C. Reagan-National

Sa 8/11

18:50-06:30

1 stop30h 40m

£417

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mi 10/12

09:20-18:04

1 stop13h 44m

Washington, D.C. Reagan-National

So 14/12

20:35-06:55

1 stop29h 20m

£420

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sa 29/11

18:00-11:45

1 stop22h 45m

Washington, D.C. Dulles Intl

So 30/11

22:15-10:50

Nonstop7h 35m

£440

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mi 24/12

10:45-22:03

1 stop16h 18m

Baltimore/Washington

Mo 5/1

14:10-07:50

1 stop12h 40m

£490

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mo 22/12

08:55-22:44

1 stop18h 49m

Baltimore/Washington

Fr 2/1

18:59-11:40

1 stop11h 41m

£491

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Do 13/11

11:45-10:17

2 stops27h 32m

Washington, D.C. Reagan-National

Di 25/11

13:44-10:50

2 stops16h 06m

£597

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Di 25/11

11:20-21:59

1 stop15h 39m

Washington, D.C. Reagan-National

Mo 1/12

08:19-07:30

1 stop18h 11m

£604

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

Washington, D.C. flights insights and trends

Explore insights for your Washington, D.C. flight to craft the best travel plan

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from United Kingdom is in February. Flight prices, which tend to average around £462, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until September to fly from United Kingdom, when ticket prices are also cheap, with an average price of £476.

What is the absolute cheapest flight to Washington, D.C.?

Users booking trips to Washington, D.C. from Chicago found flights 89% cheaper than the average price of flights to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £603. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £679.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from United Kingdom to Washington, D.C. when you can find flight prices for as low as £511. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the afternoon, with an average ticket price of £640. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from United Kingdom for as low as £549 on momondo.

Cheapest flights to Washington, D.C.

Find the cheapest flights to Washington, D.C. from your nearest city or airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTSeptember16% cheaperFlying from London Heathrow Airport to Washington, D.C. costs on average just £482 in September
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly22% more expensiveIt costs about £701 for flights to Washington, D.C. from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly207% more users visitedMore momondo users searched in flights to Washington, D.C. from London Heathrow Airport in July than any other month

Cheap Washington, D.C. flight deals and tips

Summary info about Washington, D.C. flight prices, duration and airlines

Best One-Way Price

£206

Best Round-Trip Price

£395

Fastest flight time

23h 23m

Popular in

July
The best one-way flight price to Washington, D.C. from United Kingdom in the last 72 hours is £206 (London Gatwick to Baltimore/Washington).
The best round-trip flight price to Washington, D.C. from United Kingdom in the last 72 hours is £395 (London Heathrow to Washington, D.C. Dulles Intl).
The fastest flight to Washington, D.C. from United Kingdom takes 23h 23m (London Gatwick to Baltimore/Washington).
July has the highest demand for flights to Washington, D.C., with a 15% price increase on average.

Frequently asked questions about flying to Washington, D.C.

When is it best to fly to Washington, D.C. to go sightseeing?

The best time to plan to fly to Washington, D.C. to go sightseeing would be when the temperature is not unbearable and the chance of rain is only moderate. Considering those guidelines, May seem like the best times of year to plan your visit.

How far in advance should I book a flight to Washington, D.C.?

The ideal time to book your flight to Washington, D.C. is 75 days in advance, when prices tend to average £545. Keep in mind that you might be able to find cheaper flights to Washington, D.C. at any time. In fact, our users found flights for as low as £474 in the past 72 hours.

Is there an alternative airport near Washington, D.C.?

Finding an alternative and possibly cheaper destination airport near Washington, D.C. is possible. If you are planning a flight to Washington, D.C., consider booking flights to Washington, D.C. Reagan-National Airport (4 mi from Washington, D.C. city centre) or Baltimore/Washington Airport (27 mi from Washington, D.C. city centre).

Is there a cheaper alternative to flying into Washington, D.C.?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Washington, D.C. is Baltimore/Washington Airport where the average price is £242. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Dupont Circle?

Yes, you can get a flight to Washington, D.C. Reagan-National airport in Washington, D.C. (4.0 mi from Dupont Circle).

What’s the closest airport to White House?

The closest airport to White House is Washington, D.C. Reagan-National, 3.1 mi away.

When did momondo last update prices for flights to Washington, D.C.?

Prices for flights to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights to Washington, D.C.?

How old do you have to be to fly to Washington, D.C.?

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 to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
Gettysburg
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal to Washington, D.C.?

Finding the right flight to Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. with this policy.

How can momondo help me find flights to Washington, D.C.?

Once all potential Washington, D.C. 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 to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
So 16/11
So 23/11

Find better results for your trip to Washington, D.C.