Cheap flights from United Kingdom to Washington Dulles Intl

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How to find the cheapest flight from
United Kingdom to Washington Dulles Intl (IAD)

All the information you need to plan the best null to IAD flight in 2021: compare United Kingdom to Washington Dulles Intl flight prices with the expected peak season, weather and rainfall in Washington Dulles Intl.
How far in advance should I book a flight from United Kingdom to Washington Dulles Intl?

Travellers have found it’s best to book a flight 34 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from United Kingdom to Washington Dulles Intl 1-2 weeks in advance for as low as £519, or £606 for flights within the next 24 hours.

What is the cheapest month to fly from United Kingdom to Washington Dulles Intl?

February can be a great time to fly to Washington Dulles Intl from United Kingdom with a flight ticket averaging about £475. Cheapflights users have found deals in the month of February for as cheap as £318. The most expensive prices can be found in the month of July.

Cheap flights from United Kingdom to Washington Dulles Intl in May, June 2021

The best prices found for United Kingdom to IAD flights in May, June
5 Jun - 14 Jun
£263pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
5 Jun - 14 Jun
£264pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
3 Jun - 20 Jun
£290pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick

United Kingdom to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from United Kingdom found for this year
5 Jun - 14 Jun
£263pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
5 Jun - 14 Jun
£264pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
3 Nov - 8 Nov
£271pp
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick

Direct flights to Washington Dulles Intl from United Kingdom

Save time with United Kingdom to Washington Dulles Intl direct flight deals
3 Nov - 8 Nov
£499pp
LHR
London Heathrow
Finnair
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Finnair
Direct
LHR
London Heathrow
30 Oct - 4 Nov
£503pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow
3 Nov - 12 Nov
£508pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow

Last-minute flights from United Kingdom to Washington Dulles Intl

Late deals on return flights to Washington Dulles Intl from United Kingdom, departing today and this week
23 May - 7 Jun
£311pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 May - 7 Jun
£316pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
23 May - 8 Sep
£331pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

One-way flights to Washington Dulles Intl from United Kingdom

The cheapest one-way flights from United Kingdom to Washington Dulles Intl
12:25 - 16:15
TAP AIR PORTUGAL
1 stop
32h 50m
LGW - IAD
TAP AIR PORTUGAL
£169
Travel2Be
02:00 - 16:15
TAP AIR PORTUGAL
1 stop
19h 15m
LHR - IAD
TAP AIR PORTUGAL
£171
mytrip.com
07:20 - 16:15
TAP AIR PORTUGAL
1 stop
13h 55m
LHR - IAD
TAP AIR PORTUGAL
£172
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">United Kingdom</span> to <span class="emphasized">Washington Dulles Intl</span> flights.

Flight FAQs

From United Kingdom to Washington Dulles Intl

Are flight prices decreasing from United Kingdom to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both United Kingdom and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from United Kingdom to Washington Dulles Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alitalia is one of them. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from United Kingdom to Washington Dulles Intl. Policies will vary by airline.

Which airlines flying from United Kingdom to Washington Dulles Intl have flexible cancellations due to COVID-19?

Aer Lingus, United Airlines, and Virgin Atlantic are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from United Kingdom to Washington Dulles Intl for under £284 on Cheapflights?

Yes, there are multiple flights from United Kingdom to Washington Dulles Intl for under £284. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £263, but on average you can expect to pay £283.

Are there direct flights from United Kingdom to Washington Dulles Intl for under £567 on Cheapflights?

Cheapflights has 20 direct flights from United Kingdom to Washington Dulles Intl under £567. A good price for a direct flight from United Kingdom to Washington Dulles Intl is less than £532.

Are there last-minute flights available from United Kingdom to Washington Dulles Intl for under £355?

There are currently 20+ open flights from United Kingdom to Washington Dulles Intl within the next 7 days for less than £355.

What are the most popular airlines that fly from United Kingdom to Washington Dulles Intl?

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from United Kingdom to Washington Dulles Intl.

What are the most popular routes from United Kingdom to Washington Dulles Intl?

When deciding which route to take from United Kingdom to Washington Dulles Intl, consider London Heathrow - Washington Dulles Intl, London Gatwick - Washington Dulles Intl or London City - Washington Dulles Intl, as they are the most popular.

What are the cheapest flights from United Kingdom to Washington Dulles Intl?

The cheapest flight price from United Kingdom to Washington Dulles Intl is £232. On average you can expect to pay £1,084. The most popular route, (London Heathrow - Washington Dulles Intl), can usually be booked for £281.

How long does is the flight from United Kingdom to Washington Dulles Intl?

British Airways and Icelandair can get you from United Kingdom to Washington Dulles Intl in just under 10h 50m. Your travel time can differ by up to 10m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from United Kingdom to Washington Dulles Intl return?

Flying on TAP AIR PORTUGAL is currently your cheapest option to Washington Dulles Intl, with prices starting at £264. Another option worth looking into is Icelandair, starting at £271 return.

What are the cheapest airlines to fly from United Kingdom to Washington Dulles Intl one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £169.

Related searches

Flights to Washington Dulles Intl from United Kingdom
Flights to United Kingdom Flights to Washington Dulles Intl

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Departure points for flights from United Kingdom to Washington Dulles Intl

Select to see more specific information for flights to Washington Dulles Intl from all departure points in United Kingdom.

Destination information for Washington Dulles Intl

Things to know before you go - useful duration and weather info for your trip from United Kingdom to Washington Dulles Intl.
Today's exchange rate
£1 = $1.42
Average temperature for May in Washington Dulles Intl
25.0 °C
Avg rainfall for May in Washington Dulles Intl
111.0 mm

Airports servicing Washington

Top 10 airlines flying from United Kingdom to Washington Dulles Intl

The chart below displays the airlines Cheapflights users travelling from United Kingdom to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
TAP AIR PORTUGAL
£403 £578 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Air Canada
£394 £653 No cancel fee 67%
Search Air Canada flights
Air France
£335 £654 No cancel fee 77%
Search Air France flights
KLM
£447 £674 No cancel fee 75%
Search KLM flights
Brussels Airlines
£424 £692 No cancel fee N/A
Search Brussels Airlines flights
SAS
£414 £739 No cancel fee 77%
Search SAS flights
Royal Air Maroc
£688 £751 No cancel fee 75%

We couldn't confirm the COVID-19 safety measures taken by Royal Air Maroc. Please check directly on their website for additional information.

Search Royal Air Maroc flights
American Airlines
£477 £804 No cancel fee 71%
Search American Airlines flights
Finnair
£500 £815 No cancel fee 76%
Search Finnair flights
Iberia
£451 £897 No cancel fee 77%
Search Iberia flights
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