Cheap flights from the United Kingdom to Washington, D.C. from £170
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 23/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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 £463, 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 November to fly from United Kingdom, when ticket prices are also cheap, with an average price of £490.
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 £701.
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 £510. 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 £655. 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 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 14 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £617 when searching 14 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 £570 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.
How many flights depart from United Kingdom to Washington, D.C. on average per day?
As of June 2025, 30 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 June 2025, 210 flights take off from United Kingdom and land in Washington, D.C. each week. The most common flight departure day for this route is Tue, with 15% 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 | £170 |
|---|---|
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. 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 June 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 29.01% of the total bookings. Other popular models include Airbus A380-800 with 15.80%, Airbus A330-900neo with 9.80%, and Boeing 777-300ER with 9.50%.
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 £188 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom £248 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom £293 | Free Cancellation | Rating 7.5 1,467 reviews | |||
| PriceFrom £350 | Free Cancellation | Rating 7.1 1,895 reviews | |||
| PriceFrom £356 | Free Cancellation | Rating 7.0 502 reviews | |||
| PriceFrom £379 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom £381 | Free Cancellation | Rating 7.4 355 reviews | |||
| PriceFrom £420 | Free Cancellation | Rating 7.3 1,394 reviews | |||
| PriceFrom £426 | Free Cancellation | Rating 7.1 1,123 reviews | |||
| PriceFrom £442 | Free Cancellation | Rating 7.6 1,292 reviews |
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy 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.