Cheap flights from the United Kingdom to Washington, D.C. from $302
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 5/29. 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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0 bags
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Recent round-trip flight deals from the United Kingdom to Washington, D.C.
These are some of the best round-trip 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 layovers.
KLM flights from United Kingdom to Washington, D.C.
Our best KLM deals on United Kingdom to Washington, D.C. flight tickets
KLM![KLM]()
May 14![KLM]()
Jul 16
LCY10:00 amLondon City
10h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
IAD5:25 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LCY8:50 amLondon City
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]()
May 5![ITA Airways]()
May 13
LCY4:50 pmLondon City
26h 50m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
IAD4:30 pmWashington, D.C. Dulles Intl
12h 35m
1 stop
LCY10:05 amLondon 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 month of February is, on average, the cheapest month to fly to Washington, D.C. from United Kingdom, with most prices found around $624. If you’re not able to fly to Washington, D.C. in February, then September is your next best option. Flight prices from United Kingdom to Washington, D.C. during September average around $653.
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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $854. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Washington, D.C. for around $978.
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 $762. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $928. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United Kingdom to Washington, D.C. flight route?
Fly from London Gatwick to Washington, D.C. Dulles Intl 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 $827 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 $741 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.
What airlines fly to Washington, D.C.?
British Airways, Aer Lingus and Icelandair 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 43% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 13 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 April 2025, there are 25 flights per day flying from United Kingdom to Washington, D.C.. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.
How many flights depart from United Kingdom to Washington, D.C. on average per week?
As of April 2025, there are 175 flights per week flying from United Kingdom to Washington, D.C.. The most common day of the week flights depart is Mon, with 18% of 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 | $302 |
|---|---|
Fastest flight time | 8h 00m |
Direct flights | Every day |
Airports in Washington, D.C. | 2 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. were last updated today.
How many operators does momondo search for flights from United Kingdom to Washington, D.C.?
As of April 2025, there are 13 operators available to choose from for flights from United Kingdom to Washington, D.C..
How old do you have to be to fly from United Kingdom 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 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 $304 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom $390 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $431 | Free Cancellation | Rating 7.6 781 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 7.1 1,851 reviews | |||
| PriceFrom $583 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.0 2,701 reviews | |||
| PriceFrom $593 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $595 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $619 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Towson
Rockville
Glen Burnie
Fairfax
Linthicum Heights
Reston
Hyattsville
Springfield
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?
Yes. momondo allows you to filter the results for United Kingdom to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from United Kingdom to Washington, D.C.?
momondo provides multiple filters to help you find the best flight to Washington, D.C. from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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 offers price alerts on flights to Washington, D.C. from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.