Cheap flights from United Kingdom to Dulles Intl

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Washington, D.C. (WAS)
Washington, D.C. (IAD)
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How to find the cheapest flight from
United Kingdom to Dulles Intl (IAD)

All the information you need to plan the best null to IAD flight in 2022: compare United Kingdom to Dulles Intl flight prices with the expected peak season, weather and rainfall in Dulles Intl.
How far in advance should I book a flight from United Kingdom to Washington, D.C. Dulles Intl Airport?

Travelers 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, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as £597, or £697 for flights within the next 24 hours.

What is the cheapest month to fly from United Kingdom to Washington, D.C. Dulles Intl Airport?

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from United Kingdom with a flight ticket averaging about £546. Cheapflights users have found deals in the month of February for as cheap as £365. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from United Kingdom to Washington, D.C. Dulles Intl Airport (GB - IAD)?

When flying from United Kingdom to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from United Kingdom to Dulles Intl in May, June 2022

The best prices found for United Kingdom to IAD flights in May, June
7 Jun - 14 Jun
£387pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
7 Jun - 14 Jun
£389pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
6 Jun - 13 Jun
£413pp
MAN
Manchester
Multiple airlines
   
2 STOPS
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
   
2 STOPS
MAN
Manchester

United Kingdom to Dulles Intl 2022 flight deals

Cheap flights to Dulles Intl from United Kingdom found for this year
8 Oct - 16 Oct
£362pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
1 Oct - 15 Oct
£379pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
23 Nov - 27 Nov
£380pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick

Direct flights to Dulles Intl from United Kingdom

Save time with United Kingdom to Dulles Intl direct flight deals
1 Nov - 8 Nov
£540pp
LHR
London Heathrow
British Airways
Direct
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
British Airways
Direct
LHR
London Heathrow
9 Nov - 16 Nov
£547pp
LHR
London Heathrow
British Airways
Direct
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
British Airways
Direct
LHR
London Heathrow
3 Nov - 7 Nov
£572pp
LHR
London Heathrow
British Airways
Direct
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
British Airways
Direct
LHR
London Heathrow

Last-minute flights from United Kingdom to Dulles Intl

Late deals on return flights to Dulles Intl from United Kingdom, departing today and this week
21 May - 23 May
£446pp
LHR
London Heathrow
United Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
United Airlines
Direct
LHR
London Heathrow
21 May - 22 May
£471pp
LHR
London Heathrow
United Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
United Airlines
Direct
LHR
London Heathrow
21 May - 23 May
£475pp
LHR
London Heathrow
United Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
LHR
London Heathrow

One-way flights to Dulles Intl from United Kingdom

The cheapest one-way flights from United Kingdom to Dulles Intl
16:35 - 10:45
Multiple Airlines
2 stops
23h 10m
STN - IAD
Multiple Airlines
£281
Kiwi.com
16:35 - 16:30
Multiple Airlines
2 stops
28h 55m
STN - IAD
Multiple Airlines
£285
Gotogate
17:45 - 10:45
Multiple Airlines
2 stops
22h 00m
LGW - IAD
Multiple Airlines
£287
Gotogate

Related info for your journey

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

Flight FAQs

From United Kingdom to Dulles Intl

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

Some of the carriers operating flights from United Kingdom to Washington, D.C. Dulles Intl that may be offering flexible cancellation policies are Aer Lingus, British Airways, and Virgin Atlantic. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from United Kingdom to Washington, D.C. Dulles Intl Airport for under £400 on Cheapflights?

Yes, there are multiple flights from United Kingdom to Washington, D.C. Dulles Intl Airport for under £400. The cheapest flight booked recently is on Multiple Airlines for just £362, but on average you can expect to pay £389.

Are there nonstop flights from United Kingdom to Washington, D.C. Dulles Intl Airport for under £600 on Cheapflights?

Cheapflights has at least 20 direct flights from United Kingdom to Washington, D.C. Dulles Intl Airport under £600. A good price for a nonstop flight from United Kingdom to Washington, D.C. Dulles Intl Airport is less than £594.

Are there last-minute flights available from United Kingdom to Washington, D.C. Dulles Intl Airport for under £500?

There are currently 20+ open flights from United Kingdom to Washington, D.C. Dulles Intl Airport within the next 7 days for less than £500.

What are the most popular airlines that fly from United Kingdom to Washington, D.C. Dulles Intl Airport?

When booking a flight from United Kingdom to Washington, D.C. Dulles Intl Airport, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

What are the most popular routes from United Kingdom to Washington, D.C. Dulles Intl Airport?

The most popular flight routes from United Kingdom to Washington, D.C. Dulles Intl Airport are London Heathrow - Washington, D.C. Dulles Intl, London Gatwick - Washington, D.C. Dulles Intl and London City - Washington, D.C. Dulles Intl.

What are the most reliable airlines from United Kingdom to Washington, D.C. Dulles Intl Airport?

Before booking your flight to Washington, D.C. Dulles Intl Airport from United Kingdom, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (92%), KLM (92%), Delta( 92%).

What are the cheapest flights from United Kingdom to Washington, D.C. Dulles Intl Airport?

While on average a flight from United Kingdom to Washington, D.C. Dulles Intl Airport is generally £2,157, our data shows the cheapest flight currently is £501. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £391 for that flight.

Related searches

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

Hire a Car

Car Rentals at Dulles Intl Car Rentals in USA

COVID Restrictions

View COVID Travel Restrictions for Dulles Intl (IAD)

Do I need a COVID test to fly to Dulles Intl from United Kingdom?

Information is based on travel restrictions from United Kingdom to Washington, D.C. Dulles Intl

Most visitors from United Kingdom need to provide a negative COVID-19 test result and/or quarantine to enter Washington, D.C. Dulles Intl.

COVID-19 testing requirements
Visitors from United Kingdom must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C. Dulles Intl.

Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Washington, D.C. Dulles Intl.

Do I need a test to fly back to United Kingdom from Dulles Intl?

Returning to United Kingdom from Washington, D.C. Dulles Intl

COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering United Kingdom.

Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering United Kingdom.

Hide COVID Travel Restrictions for Dulles Intl (IAD)

Destination information for Dulles Intl

Things to know before you go - useful duration and weather info for your trip from United Kingdom to Dulles Intl.
Today's exchange rate
£1 = $1.23
Average temperature for May in Dulles Intl
25.0 °C
Avg rainfall for May in Dulles Intl
111.0 mm

Airports servicing Washington, D.C.

Top 10 airlines flying from United Kingdom to Washington, D.C. Dulles Intl

The chart below displays the airlines Cheapflights users travelling from United Kingdom to 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
£272 £500 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Air France
£304 £676 No cancel fee 77%
Search Air France flights
Brussels Airlines
£360 £666 No cancel fee N/A
Search Brussels Airlines flights
KLM
£373 £759 No cancel fee 75%
Search KLM flights
Icelandair
£379 £577 No cancel fee 76%
Search Icelandair flights
Aer Lingus
£419 £551 No cancel fee N/A
Search Aer Lingus flights
United Airlines
£426 £733 No cancel fee 69%
Search United Airlines flights
Scandinavian Airlines
£433 £493 No cancel fee 77%
Search Scandinavian Airlines flights
SWISS
£459 £859 No cancel fee 79%
Search SWISS flights
Iberia
£491 £679 No cancel fee 77%
Search Iberia flights
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