£223 Cheap flights to Washington, D.C. Dulles Intl Airport
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. Dulles Intl Airport departing on 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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. Dulles Intl Airport
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Recent direct flight deals from the United Kingdom to Washington, D.C. Dulles Intl Airport
See travel insights to Washington, D.C. Dulles Intl Airport from
Flights to Washington, D.C. Dulles Intl Airport – Travel Insights & Trends
Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.
What cabin class options are available on United Kingdom to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. Dulles Intl 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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?
According to our data, Wednesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £617. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 £692.
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
The month of March is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from United Kingdom, with most prices found around £499. If you aren’t able to travel during the month of March, then book flights to Washington, D.C. Dulles Intl Airport from United Kingdom during February instead. Flights to Washington, D.C. Dulles Intl Airport in February, while not as cheap as those in March, still average around £510.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £521. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the afternoon when prices are around £650.
What is the cheapest United Kingdom to Washington, D.C. Dulles Intl flight route?
Fly from Edinburgh Turnhouse to Washington, D.C. Dulles Intl for the best United Kingdom - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from United Kingdom when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around £612 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from United Kingdom for as low as £564 on momondo.
What is the cheapest airline that flies from United Kingdom to Washington, D.C. Dulles Intl?
TAP AIR PORTUGAL is the most popular carrier operating from United Kingdom to Washington, D.C. Dulles Intl
Which airlines fly to Washington, D.C. Dulles Intl Airport?
Aer Lingus, British Airways and Virgin Atlantic are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from United Kingdom according to our data. Aer Lingus is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 16 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How long does it take to fly to Washington, D.C. Dulles Intl Airport?
If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into Washington, D.C. Dulles Intl Airport, then you can expect flight times to average 8h and 11h 35m, respectively.
How many flights depart from United Kingdom to Washington, D.C. Dulles Intl Airport on average per day?
26 flights are operational daily from United Kingdom to Washington, D.C. Dulles Intl Airport as of June 2025. The most popular departure time for this route is 12:00, with 100% of flights per day taking off in the afternoon.
Cheapest flights to Washington, D.C. Dulles Intl
Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
| CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORT | February | 17% cheaper | Flying from London Heathrow Airport to Washington, D.C. Dulles Intl Airport costs on average just £509 in February |
| MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORT | August | 31% more expensive | It costs about £808 for flights to Washington, D.C. Dulles Intl Airport from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM LONDON HEATHROW AIRPORT | July | 257% more users visited | More momondo users searched in flights to Washington, D.C. Dulles Intl Airport from London Heathrow Airport in July than any other month |
Cheap Washington, D.C. Dulles Intl Airport flight deals and tips
Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines
Best One-Way Price | £223 |
|---|---|
Best Round-Trip Price | £319 |
Fastest flight time | 13h 30m |
Popular in | July |
Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, when booking your flight to Washington, D.C. Dulles Intl Airport, March is the cheapest month on average.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
On average, from most locations, when planning your trip to Washington, D.C. Dulles Intl Airport, try to book your flight in the region of 80 days in advance for the cheapest prices.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
In general, booking your departure to Washington, D.C. Dulles Intl Airport for a Wednesday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.
What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?
On average you can find the best deals on plane tickets to Washington, D.C. Dulles Intl Airport when looking for flights with Evening departure times.
Is there an alternative airport near Washington, D.C. Dulles Intl Airport?
Finding an alternative and possibly cheaper destination airport near Washington, D.C. Dulles Intl Airport is possible. If you are planning a flight to Washington, D.C. Dulles Intl Airport, 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 Washington, D.C. Reagan-National Airport where the average price is £235. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
What is the absolute cheapest flight to Washington, D.C.?
The best deal found on momondo in the last two weeks was a flight to Washington, D.C. from Chicago for £132. This is 53% cheaper than most flight deals to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.
Which airlines fly to Washington, D.C. Dulles Intl Airport?
Of the 15 airlines that fly to Washington, D.C. Dulles Intl Airport, British Airways, Aer Lingus and Virgin Atlantic happen to be the most favoured based on our user data. British Airways is the most popular among the three airlines, with 32% of users choosing them for their travels to Washington, D.C. Dulles Intl Airport.
When did momondo last update prices for flights to Washington, D.C. Dulles Intl Airport?
Prices for flights to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights to Washington, D.C. Dulles Intl Airport?
There are 26 operators available for flights to Washington, D.C. Dulles Intl Airport as of June 2025.
How old do you have to be to fly to Washington, D.C. Dulles Intl Airport?
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 to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Travelling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsWhy 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. All flights to Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to Washington, D.C.?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Washington, D.C..
I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Washington, D.C. and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Washington, D.C. Dulles Intl Airport IAD
Popular Flights to Washington, D.C. Dulles Intl Airport
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Washington, D.C. Dulles Intl
These routes have the cheapest flights to Washington, D.C. Dulles Intl found by momondo users in United Kingdom
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| London | Washington, D.C. | 8h 05m | £319 |
| Manchester | Washington, D.C. | 12h 05m | £381 |
| Edinburgh | Washington, D.C. | 8h 05m | £446 |
| Glasgow | Washington, D.C. | 10h 00m | £453 |
| Birmingham | Washington, D.C. | 12h 40m | £461 |
| Inverness | Washington, D.C. | 13h 50m | £525 |
| Leeds | Washington, D.C. | 10h 30m | £567 |
| Newcastle upon Tyne | Washington, D.C. | 11h 25m | £578 |
| Belfast | Washington, D.C. | 14h 05m | £581 |
| Bristol | Washington, D.C. | 11h 15m | £598 |
| Aberdeen | Washington, D.C. | 14h 35m | £621 |
| Cardiff | Washington, D.C. | 10h 45m | £646 |
| Southampton | Washington, D.C. | 14h 45m | £817 |
| Exeter | Washington, D.C. | 27h 20m | £834 |
| Norwich | Washington, D.C. | 30h 35m | £926 |
| Doncaster | Washington, D.C. | 26h 25m | £1,049 |
| Grimsby | Washington, D.C. | 10h 45m | £1,507 |