Cheap flights from the United Kingdom to Washington, D.C. from £225
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Washington, D.C. departing on 10/5. 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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Recent return flight deals from the United Kingdom to Washington, D.C.
These are some of the best return flight deals from the United Kingdom to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
Recent one-way flight deals from the United Kingdom to Washington, D.C.
Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United Kingdom to Washington, D.C..
Recent last minute flight deals from the United Kingdom to Washington, D.C.
Planning a quick getaway from the United Kingdom to Washington, D.C.? These are the last-minute flight deals available now.
Recent direct flight deals from the United Kingdom to Washington, D.C.
If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without stopovers.
TAP AIR PORTUGAL flights from United Kingdom to Washington, D.C.
Our best TAP AIR PORTUGAL deals on United Kingdom to Washington, D.C. flight tickets
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
23 Oct![TAP AIR PORTUGAL]()
27 Oct
LGW10:35London Gatwick
15h 15m
1 stop
IAD20:50Washington, D.C. Dulles Intl
IAD18:30Washington, D.C. Dulles Intl
17h 15m
1 stop
LGW15:45London Gatwick
ITA Airways flights from United Kingdom to Washington, D.C.
Our best ITA Airways deals on United Kingdom to Washington, D.C. flight tickets
ITA Airways![ITA Airways]()
5 May![ITA Airways]()
13 May
LCY16:50London City
26h 50m
1 stop
IAD14:40Washington, D.C. Dulles Intl
IAD16:30Washington, D.C. Dulles Intl
12h 35m
1 stop
LCY10:05London City
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from United Kingdom to Washington, D.C.
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
Prices
Airlines
Other information
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 £467, 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 £489.
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 £624. 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 £723.
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 £513. 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 £659. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest United Kingdom to Washington, D.C. flight route?
Fly from London Heathrow to Baltimore/Washington for the best United Kingdom - Washington, D.C. flight prices
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 24 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £619 when searching 24 weeks out.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 £555 on momondo.
What cabin class options are available on United Kingdom to Washington, D.C. flights?
There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United Kingdom to Washington, D.C.?
PLAY is the most popular carrier operating from United Kingdom to Washington, D.C.
Which airlines fly to Washington, D.C.?
British Airways, Aer Lingus and Virgin Atlantic are the top three most popular airlines that fly to Washington, D.C. from United Kingdom according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 19 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from United Kingdom to Washington, D.C. on average per day?
As of May 2025, 24 flights take off from United Kingdom and land in Washington, D.C. each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from United Kingdom to Washington, D.C. on average per week?
As of May 2025, 171 flights take off from United Kingdom and land in Washington, D.C. each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.
Cheap United Kingdom to Washington, D.C. flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Washington, D.C.
Best price found | £225 |
|---|---|
Fastest flight time | 8h 00m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
When did momondo last update prices for flights from United Kingdom to Washington, D.C.?
Prices for flights from United Kingdom to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from United Kingdom to Washington, D.C.?
There are 19 operators available for flights from United Kingdom to Washington, D.C. as of May 2025.
How old do you have to be to fly from United Kingdom to Washington, D.C.?
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 United Kingdom to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United Kingdom to Washington, D.C.?
Based on momondo bookings for flights between United Kingdom and Washington, D.C., the leading plane model is Boeing 777, making up 30.67% of the total bookings. Other popular models include Airbus A380-800 with 14.04%, Boeing 777-300ER with 11.00%, and Airbus A330-900neo with 8.93%.
Best airlines flying from United Kingdom to Washington, D.C.
Compare and see reviews for airlines that fly from United Kingdom to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £250 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom £320 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom £352 | Free Cancellation | Rating 7.1 1,852 reviews | |||
| PriceFrom £358 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom £369 | Free Cancellation | Rating 6.6 6,846 reviews | |||
| PriceFrom £383 | Free Cancellation | Rating 7.3 346 reviews | |||
| PriceFrom £383 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom £414 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom £426 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom £442 | Free Cancellation | Rating 7.4 1,446 reviews |
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Laurel
Essex
National Harbor
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Cambridge
Ellicott City
Hanover
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
Why use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from United Kingdom to Washington, D.C. with flexible booking policies on momondo?
All flight searches from United Kingdom to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from United Kingdom to Washington, D.C.?
Once you have performed a search for United Kingdom to Washington, D.C. 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 United Kingdom to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for United Kingdom to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.