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Flight Deals from London Heathrow Airport to Washington Dulles Airport from $492

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Stops

  • Nonstop
    from $688
  • Up to 1 stop
    $668
  • Up to 2 stops
    $873

Airlines

  • Aer Lingus
    $793
  • Air Canada
    $729
  • American Airlines
    $709
  • Austrian Airlines
    $752
  • British Airways
    $706
  • Brussels Airlines
    $756
  • Finnair
    $680
  • IBERIA
    $668
  • Icelandair
    $706
  • Lufthansa
    $754
  • Royal Air Maroc
    $847
  • SAS Airlines
    $672
  • SWISS
    $754
  • TAP Portugal
    $706
  • Turkish Airlines
    $905
  • United Airlines
    $733
  • Virgin Atlantic
    $676

Cabin Class

  • Economy
    $668

Departure Airports

  • London Heathrow Airport
    $668

Arrival Airports

  • Washington Dulles Airport
    $668

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $668
  • Amsterdam Airport Schiphol
    $686
  • Brussels Airport
    $737
  • Casablanca Mohammed V Airport
    $847
  • Charlotte Douglas International Airport
    $692
  • Chicago O Hare Airport
    $829
  • Copenhagen Kastrup Airport
    $672
  • Dallas Fort Worth International Airport
    $802
  • Dublin Airport
    $793
  • Frankfurt am Main Airport
    $733
  • General Edward Lawrence Logan International Airport
    $705
  • Hartsfield Jackson Atlanta International Airport
    $730
  • Humberto Delgado Airport (Lisbon Portela Airport)
    $706
  • Istanbul Airport
    $905
  • Montreal Trudeau Airport
    $729
  • New York John F Kennedy Airport
    $680
  • Newark Liberty Airport
    $761
  • Paris Charles de Gaulle Airport
    $676
  • Philadelphia International Airport
    $751
  • Raleigh Durham International Airport
    $717
  • Reykjavik Keflavik Airport
    $706
  • Toronto Pearson Airport
    $680
  • Vienna International Airport
    $752
  • Zürich Airport
    $729

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IBERIA Logo
IBERIA

09/09/25

LHR
8h 50m
MAD

09/09/25

IAD
IBERIA Logo
IBERIA

09/16/25

IAD
12h 25m
Direct

09/17/25

LHR
$668
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

09/29/25

LHR
9h 39m
CPH

09/29/25

IAD
SAS Airlines Logo
SAS Airlines

10/06/25

IAD
17h 55m
CPH

10/07/25

LHR
$672
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/15/25

LHR
10h 5m
CDG

09/15/25

IAD
Virgin Atlantic Logo
Virgin Atlantic

10/06/25

IAD
12h 30m
Direct

10/07/25

LHR
$676
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

09/08/25

LHR
3h 10m
Direct

09/08/25

IAD
Finnair Logo
Finnair

09/15/25

IAD
20h 11m
YYZ

09/16/25

LHR
$680
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/15/25

LHR
7h 45m
CDG

09/15/25

IAD
Virgin Atlantic Logo
Virgin Atlantic

10/06/25

IAD
17h 5m
JFK

10/07/25

LHR
$680
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/09/25

LHR
18h 40m
AMS

09/10/25

IAD
Virgin Atlantic Logo
Virgin Atlantic

09/23/25

IAD
16h 25m
CDG

09/24/25

LHR
$686
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/22/25

LHR
3h 15m
Direct

09/22/25

IAD
IBERIA Logo
IBERIA

09/29/25

IAD
12h 25m
Direct

09/30/25

LHR
$688
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/22/25

LHR
3h 15m
Direct

09/22/25

IAD
IBERIA Logo
IBERIA

09/29/25

IAD
16h 26m
CLT

09/30/25

LHR
$692
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

09/03/25

LHR
3h 10m
Direct

09/03/25

IAD
Finnair Logo
Finnair

09/18/25

IAD
13h 51m
BOS

09/19/25

LHR
$705
Free cancellation within 83 hours of booking
Icelandair Logo
Icelandair

09/04/25

LHR
9h 5m
KEF

09/04/25

IAD
Icelandair Logo
Icelandair

09/11/25

IAD
15h 25m
KEF

09/12/25

LHR
$706
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/03/25

LHR
3h 10m
Direct

09/03/25

IAD
British Airways Logo
British Airways

09/18/25

IAD
12h 20m
Direct

09/19/25

LHR
$706
Free cancellation within 83 hours of booking
TAP Portugal Logo
TAP Portugal

09/12/25

LHR
7h 20m
LIS

09/12/25

IAD
TAP Portugal Logo
TAP Portugal

09/19/25

IAD
16h 45m
LIS

09/20/25

LHR
$706
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

09/22/25

LHR
8h 45m
MAD

09/22/25

IAD
American Airlines Logo
American Airlines

09/27/25

IAD
12h 25m
Direct

09/28/25

LHR
$709
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

09/17/25

LHR
3h 10m
Direct

09/17/25

IAD
Finnair Logo
Finnair

09/21/25

IAD
34h 29m
RDU

09/23/25

LHR
$717
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/10/25

LHR
7h 35m
ZRH

09/10/25

IAD
Air Canada Logo
Air Canada

09/24/25

IAD
20h 45m
YUL

09/25/25

LHR
$729
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/11/25

LHR
18h 40m
AMS

09/12/25

IAD
Virgin Atlantic Logo
Virgin Atlantic

09/21/25

IAD
34h 55m
ATL

09/23/25

LHR
$730
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

09/09/25

LHR
7h 45m
FRA

09/09/25

IAD
United Airlines Logo
United Airlines

09/25/25

IAD
12h 15m
Direct

09/26/25

LHR
$733
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

09/18/25

LHR
6h 40m
BRU

09/18/25

IAD
United Airlines Logo
United Airlines

09/21/25

IAD
17h
YUL

09/22/25

LHR
$737
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/04/25

LHR
3h 10m
Direct

09/04/25

IAD
British Airways Logo
British Airways

09/11/25

IAD
14h 41m
PHL

09/12/25

LHR
$751
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/19/25

LHR
8h 35m
VIE

09/19/25

IAD
Austrian Airlines Logo
Austrian Airlines

09/21/25

IAD
12h 15m
Direct

09/22/25

LHR
$752
Free cancellation within 83 hours of booking
SWISS Logo
SWISS

09/11/25

LHR
7h 35m
ZRH

09/11/25

IAD
SWISS Logo
SWISS

09/21/25

IAD
12h 15m
Direct

09/22/25

LHR
$754
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/22/25

LHR
6h 20m
FRA

09/22/25

IAD
Lufthansa Logo
Lufthansa

09/26/25

IAD
12h 15m
Direct

09/27/25

LHR
$754
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

09/17/25

LHR
5h 45m
BRU

09/17/25

IAD
Brussels Airlines Logo
Brussels Airlines

09/21/25

IAD
12h 15m
Direct

09/22/25

LHR
$756
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/22/25

LHR
8h 35m
VIE

09/22/25

IAD
Austrian Airlines Logo
Austrian Airlines

09/27/25

IAD
14h 25m
EWR

09/27/25

LHR
$761
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

09/09/25

LHR
7h
DUB

09/09/25

IAD
Aer Lingus Logo
Aer Lingus

09/25/25

IAD
12h 25m
Direct

09/26/25

LHR
$793
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/29/25

LHR
18h 20m
DFW

09/30/25

IAD
IBERIA Logo
IBERIA

10/06/25

IAD
16h 36m
CLT

10/07/25

LHR
$802
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/09/25

LHR
8h 35m
VIE

09/09/25

IAD
Austrian Airlines Logo
Austrian Airlines

09/16/25

IAD
18h 35m
ORD

09/17/25

LHR
$829
Free cancellation within 83 hours of booking
Royal Air Maroc Logo
Royal Air Maroc

09/28/25

LHR
24h 55m
CMN

09/29/25

IAD
Royal Air Maroc Logo
Royal Air Maroc

10/06/25

IAD
19h 45m
CMN

10/07/25

LHR
$847
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/15/25

LHR
8h 32m
JFK
CLT

09/15/25

IAD
British Airways Logo
British Airways

10/06/25

IAD
15h
CLT

10/07/25

LHR
$873
Free cancellation within 83 hours of booking
Turkish Airlines Logo
Turkish Airlines

09/29/25

LHR
13h 15m
IST

09/29/25

IAD
Turkish Airlines Logo
Turkish Airlines

10/06/25

IAD
23h 10m
IST

10/07/25

LHR
$905
Free cancellation within 83 hours of booking

Top Deals on flights from London Heathrow Airport to Washington Dulles Airport

London, GB (LON) - Washington, US (WAS)

TAP Portugal Logo
TAP Portugal

May 22

LHR
9h 20m
LIS

May 22

IAD

as low as

$492

London, GB (LON) - Washington, US (WAS)

Aer Lingus Logo
Aer Lingus

Jun 10

LHR
9h 40m
DUB

Jun 10

IAD

as low as

$498

London, GB (LON) - Washington, US (WAS)

 Logo

Jun 12

LHR
27h 44m
YYC

Jun 13

IAD

as low as

$619

London, GB (LON) - Washington, US (WAS)

Royal Air Maroc Logo
Royal Air Maroc

Jun 8

LHR
24h 55m
CMN

Jun 9

IAD

as low as

$718

London, GB (LON) - Washington, US (WAS)

 Logo

Jun 11

LHR
21h 44m
YYC
ATL

Jun 12

IAD

as low as

$782

London, GB (LON) - Washington, US (WAS)

AVIANCA Logo
AVIANCA

Jun 2

LHR
31h 30m
BOG

Jun 4

IAD

as low as

$825

London, GB (LON) - Washington, US (WAS)

Icelandair Logo
Icelandair

May 25

LHR
24h 45m
KEF

May 26

IAD

as low as

$881

London, GB (LON) - Washington, US (WAS)

Egyptair Logo
Egyptair

May 30

LHR
14h 10m
CAI

May 31

IAD

as low as

$1180

London, GB (LON) - Washington, US (WAS)

TAP Portugal Logo
TAP Portugal

May 30

LHR
25h 19m
LIS
EWR

May 31

IAD

as low as

$1519

London, GB (LON) - Washington, US (WAS)

Ethiopian Airlines Logo
Ethiopian Airlines

Jun 4

LHR
23h 5m
ADD
LFW

Jun 5

IAD

as low as

$1630

London, GB (LON) - Washington, US (WAS)

SAS Airlines Logo
SAS Airlines

May 28

LHR
13h 19m
CPH

May 28

IAD

as low as

$2275

London, GB (LON) - Washington, US (WAS)

SAS Airlines Logo
SAS Airlines

May 30

LHR
24h
OSL
JFK

May 31

IAD

as low as

$2324

Frequently Asked Questions

What is the typical flight duration from London Heathrow Airport to Washington Dulles Airport?
The typical non-stop flight duration between London Heathrow Airport and Washington Dulles Airport takes between 7 to 9 hours, depending on factors such as weather conditions and the specific flight path chosen. This duration applies primarily to direct flights, while connecting itineraries might extend the travel time. Travelers should consider arriving early at the airport for security checks and potential delays. Planning ahead and checking with the airline for the most accurate timings can help ensure a smooth departure from London and a timely arrival in Washington.
Are there any direct flights from London Heathrow Airport to Washington Dulles Airport?
Yes, there are direct flights available from London Heathrow Airport to Washington Dulles Airport. These flights typically operate several times a week with durations ranging between 7 to 9 hours, making them a convenient option for a non-stop journey. Direct services generally mean fewer complications with transfers and a more streamlined travel experience. Travelers should check current schedules, as frequencies and availability may vary by season and airline. Booking in advance can also secure competitive pricing and preferred travel times.
What are the best transportation options from Washington Dulles Airport to downtown Washington, D.C.?
Travel options from Washington Dulles Airport to downtown Washington, D.C. include a variety of convenient choices. One of the most popular methods is using the Washington Flyer bus service, which transports passengers to the nearby metro stations. Ride-sharing services like Uber and Lyft are also common alternatives, generally costing between $30 and $60 and taking about 40 minutes to an hour depending on traffic. Airport shuttles and taxis are available as well, offering flexibility and reliable schedules for visitors once they land.
What are the must-see attractions in Washington, D.C. for travelers arriving from London?
Travelers arriving from London should not miss key landmarks such as the National Mall, where iconic monuments like the Lincoln Memorial and Washington Monument reside. The Smithsonian museums provide an excellent blend of art, history, and science while offering free admission. In addition, monuments at the Capitol and historic neighborhoods like Georgetown enrich your cultural experience. Planning a day-long itinerary can optimize your visit, and guided tours can add context. This mix of historical and modern attractions offers an engaging and memorable experience in the U.S. capital.
What are the best dining options in Washington, D.C. for visitors from London?
Washington, D.C. offers a diverse range of dining experiences that cater perfectly to visitors from London. Gourmet restaurants in neighborhoods such as Dupont Circle and Adams Morgan present options showcasing modern American cuisine as well as international dishes. Prices generally range from $15 to $50 per meal, providing choices for different budgets. For those seeking a casual atmosphere, local food trucks and markets deliver a taste of the city’s vibrant culinary scene. Making reservations for popular spots is advisable, especially during peak dining hours or seasonal events.
What cultural etiquette should travelers from London be aware of when visiting Washington, D.C.?
Travelers should observe that while both cities have a rich cultural heritage, Washington, D.C. places strong emphasis on formal etiquette, especially in governmental and museum settings. Punctuality is valued, and conversations in public spaces tend to be quieter and more reserved. Dressing modestly when visiting memorials, government institutions, and cultural sites is recommended. It is courteous to avoid overly casual language and to respect local customs during official events. Familiarizing oneself with basic American etiquette tips before the trip ensures a respectful, hassle-free experience.
Are there any budget-friendly hotels in Washington, D.C. for travelers from London?
Yes, there are several budget-friendly hotel options available in and around Washington, D.C. Travelers from London can opt for accommodations in nearby areas like Arlington or Alexandria, where night rates typically range from $80 to $150. These hotels offer clean rooms with essential amenities and convenient access to public transportation. By researching online and comparing rates well in advance, you can find accommodations that blend local flair with affordability. It’s also helpful to keep an eye on seasonal deals or packages that include both lodging and local tours.
What are the top outdoor activities in Washington, D.C. for visitors arriving from London?
Outdoor activities in the U.S. capital cater to a varied range of interests. Enjoy strolling or biking along the National Mall, where significant monuments and memorials create a picturesque backdrop. Consider renting a bike or joining a guided pedal tour to experience Washington’s green spaces and historic sites. Additional options include paddle boating on the Potomac River or exploring Rock Creek Park through hiking or picnicking. These activities often involve minimal costs, and local tours can range from free to a small fee, providing an engaging mix of exercise and sightseeing opportunities.
What are the customs requirements for travelers flying from London to Washington, D.C.?
Travelers flying from London Heathrow must prepare for U.S. customs procedures upon arrival at Washington Dulles Airport. This involves completing a customs declaration form and presenting a valid passport along with any necessary visa or ESTA documentation. It’s important to declare any items such as food, plants, or large currency values to avoid complications. The process can take anywhere between 15 minutes to an hour depending on the time of arrival, so allot extra time for potential queues. Always review the latest guidelines provided by U.S. Customs and Border Protection before departure.
What are the best family-friendly attractions in Washington, D.C. for travelers from London?
Families visiting from London can relish a variety of attractions in Washington, D.C. Highlights include several Smithsonian museums such as the National Air and Space Museum and Natural History Museum, both offering interactive exhibits suitable for all ages. The National Zoo, with free admission, is another hit for children. Local parks offer safe spaces for outdoor play and picnics. Additionally, consider guided tours that specifically cater to families’ interests. Checking for any special family events or programs prior to the visit can further enhance your itinerary and ensure a fun, educational experience for everyone.
What unique cultural festivals in Washington, D.C. should travelers from London not miss?
Washington, D.C. is known for its diverse cultural festivals, many of which are unique to its vibrant local scene. Key festivals include the Smithsonian Folklife Festival, which celebrates traditions from various cultures through music, crafts, and culinary experiences, and the DC Jazz Festival, offering intimate performances and lively street events. These festivals typically cater to a range of budgets – with many entry fees ranging from free to around $30. Attending such events provides immersive cultural insights and the opportunity to mingle with locals, making for a uniquely enriching experience.
Is there a specific time of year when Washington, D.C. is best visited by travelers from London?
Yes, the best times to visit are during the spring and fall seasons. Spring brings the iconic cherry blossoms and mild weather ideal for sightseeing, while fall offers comfortable temperatures and fewer crowds, allowing a more relaxed exploration of the city’s many attractions. Both periods enable visitors to experience outdoor events, cultural festivals, and walking tours without the extremes of summer heat or winter chill. Booking accommodations and tours during these seasons is advisable, as they tend to offer more manageable prices and an overall pleasant travel environment.
What are the best places to shop for souvenirs in Washington, D.C. for travelers from London?
For unique souvenirs and locally crafted items, explore areas like Eastern Market and boutique shops near the National Mall. These venues provide a range of items from historical memorabilia to art pieces reflective of the U.S. capital’s rich culture. Prices typically vary from $10 to $100, depending on the type and uniqueness of the item. Additionally, urban neighborhoods like Georgetown feature specialty stores and artisan markets perfect for finding bespoke gifts. Comparing prices at several locations and visiting seasonal craft fairs can help secure a memorable and budget-friendly shopping experience.
What airport amenities are available at Washington Dulles Airport for travelers arriving from London?
Washington Dulles Airport offers a comprehensive suite of amenities to ensure a comfortable transition for international travelers. Facilities include a range of dining options with meals priced between $10 and $50, duty-free shopping outlets, and free Wi-Fi throughout the terminal. Business lounges and charging stations are available, and services such as rental car desks and currency exchange counters provide added convenience. With clean rest areas and detailed signage, the airport ensures that departing and arriving passengers can easily navigate the space while enjoying essential services and comforts.
What health precautions should travelers from London consider before flying to Washington, D.C.?
Before departing, it is important for travelers to ensure they are up to date with standard immunizations, such as influenza and tetanus, as well as any additional vaccines recommended by health authorities. Carry a small travel medical kit and be aware of potential seasonal health advisories. It’s advisable to have international health insurance coverage for unexpected medical needs. Taking precautions like frequent hand washing and using sanitizers, especially in crowded terminals, can reduce the risk of illness. Reviewing both UK and U.S. health guidelines ensures you are well-prepared for the journey.

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