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Flight Deals from Washington Dulles Airport to London from $347

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Stops

  • Nonstop
    from $633
  • Up to 1 stop
    $529
  • Up to 2 stops
    $535

Airlines

  • Aer Lingus
    $646
  • Air Canada
    $617
  • Air France
    $651
  • Austrian Airlines
    $636
  • British Airways
    $629
  • Brussels Airlines
    $650
  • Delta Air Lines
    $647
  • Finnair
    $683
  • IBERIA
    $687
  • Icelandair
    $529
  • ITA Airways
    $690
  • KLM
    $651
  • Lufthansa
    $639
  • SAS Airlines
    $535
  • SWISS
    $633
  • TAP Portugal
    $574
  • United Airlines
    $610
  • Virgin Atlantic
    $625

Cabin Class

  • Economy
    $529

Departure Airports

  • Washington Dulles Airport
    $529

Arrival Airports

  • London City Airport
    $674
  • London Gatwick Airport
    $548
  • London Heathrow Airport
    $529

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $640
  • Brussels Airport
    $650
  • Charlotte Douglas International Airport
    $645
  • Copenhagen Kastrup Airport
    $535
  • Dublin Airport
    $646
  • Francisco de Sá Carneiro Airport
    $604
  • Frankfurt am Main Airport
    $620
  • Hartsfield Jackson Atlanta International Airport
    $642
  • Humberto Delgado Airport (Lisbon Portela Airport)
    $574
  • Minneapolis-St Paul International/Wold-Chamberlain Airport
    $682
  • Montreal Trudeau Airport
    $617
  • Munich Airport
    $627
  • New York John F Kennedy Airport
    $629
  • Newark Liberty Airport
    $610
  • Orlando International Airport
    $645
  • Oslo Gardermoen Airport
    $604
  • Paris Charles de Gaulle Airport
    $625
  • Reykjavik Keflavik Airport
    $529
  • Rome Fiumicino Airport
    $690
  • Stockholm Arlanda Airport
    $535
  • Toronto Pearson Airport
    $621
  • Vienna International Airport
    $617
  • Zürich Airport
    $610

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Icelandair Logo
Icelandair

10/04/25

IAD
21h 5m
KEF

10/05/25

LHR
Icelandair Logo
Icelandair

10/29/25

LHR
7h 5m
KEF

10/29/25

IAD
$529
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/17/25

IAD
17h 55m
CPH

10/18/25

LHR
SAS Airlines Logo
SAS Airlines

10/19/25

LHR
37h 19m
ARN
CPH

10/20/25

IAD
$535
Free cancellation within 83 hours of booking
Icelandair Logo
Icelandair

10/09/25

IAD
18h 10m
KEF

10/10/25

LGW
Icelandair Logo
Icelandair

11/05/25

LGW
6h 25m
KEF

11/05/25

IAD
$548
Free cancellation within 83 hours of booking
TAP Portugal Logo
TAP Portugal

10/16/25

IAD
20h 30m
LIS

10/17/25

LHR
TAP Portugal Logo
TAP Portugal

11/12/25

LHR
22h 40m
LIS

11/13/25

IAD
$574
Free cancellation within 83 hours of booking
SAS Airlines Logo
SAS Airlines

10/08/25

IAD
18h 20m
CPH
OSL

10/09/25

LHR
SAS Airlines Logo
SAS Airlines

11/05/25

LHR
21h 45m
CPH

11/06/25

IAD
$604
Free cancellation within 83 hours of booking
TAP Portugal Logo
TAP Portugal

10/13/25

IAD
26h 40m
LIS
OPO

10/14/25

LGW
TAP Portugal Logo
TAP Portugal

10/21/25

LGW
22h 55m
LIS

10/22/25

IAD
$604
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

10/04/25

IAD
22h 10m
EWR

10/05/25

LHR
United Airlines Logo
United Airlines

10/29/25

LHR
22h 45m
ZRH

10/30/25

IAD
$610
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

10/15/25

IAD
20h 45m
YUL

10/16/25

LHR
Air Canada Logo
Air Canada

10/21/25

LHR
28h 10m
VIE

10/22/25

IAD
$617
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

10/08/25

IAD
20h 45m
YUL

10/09/25

LHR
Air Canada Logo
Air Canada

10/14/25

LHR
7h
FRA

10/14/25

IAD
$620
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

10/04/25

IAD
37h 13m
YYZ

10/06/25

LHR
Air Canada Logo
Air Canada

10/29/25

LHR
21h 25m
ZRH

10/30/25

IAD
$621
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

10/19/25

IAD
12h 30m
Direct

10/20/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

11/12/25

LHR
9h 55m
CDG

11/12/25

IAD
$625
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

10/15/25

IAD
12h 15m
Direct

10/16/25

LHR
United Airlines Logo
United Airlines

10/20/25

LHR
23h
MUC

10/21/25

IAD
$627
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/06/25

IAD
12h 25m
Direct

10/07/25

LHR
British Airways Logo
British Airways

10/15/25

LHR
7h 50m
JFK

10/15/25

IAD
$629
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/21/25

IAD
12h 30m
Direct

09/22/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/15/25

LHR
3h 25m
Direct

10/15/25

IAD
$633
Free cancellation within 83 hours of booking
SWISS Logo
SWISS

09/30/25

IAD
20h 45m
YUL

10/01/25

LHR
SWISS Logo
SWISS

10/24/25

LHR
7h 35m
ZRH

10/24/25

IAD
$633
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/24/25

IAD
17h 30m
YUL

09/25/25

LHR
Austrian Airlines Logo
Austrian Airlines

10/30/25

LHR
9h 35m
VIE

10/30/25

IAD
$636
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

10/07/25

IAD
12h 15m
Direct

10/08/25

LHR
Lufthansa Logo
Lufthansa

10/21/25

LHR
6h 20m
FRA

10/21/25

IAD
$639
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/19/25

IAD
12h 25m
Direct

10/20/25

LHR
British Airways Logo
British Airways

10/28/25

LHR
9h 20m
MAD

10/28/25

IAD
$640
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

09/23/25

IAD
20h 5m
ATL

09/24/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/28/25

LHR
21h 40m
CDG

10/29/25

IAD
$642
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/15/25

IAD
19h 42m
CLT
MCO

10/16/25

LGW
British Airways Logo
British Airways

10/20/25

LGW
18h 20m
MAD

10/21/25

IAD
$645
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

10/04/25

IAD
16h 15m
DUB

10/05/25

LHR
Aer Lingus Logo
Aer Lingus

10/29/25

LHR
6h 50m
DUB

10/29/25

IAD
$646
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

09/23/25

IAD
20h 5m
ATL

09/24/25

LHR
Delta Air Lines Logo
Delta Air Lines

10/28/25

LHR
9h 22m
ATL

10/28/25

IAD
$647
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

10/08/25

IAD
14h 25m
EWR

10/08/25

LHR
Brussels Airlines Logo
Brussels Airlines

10/14/25

LHR
6h 40m
BRU

10/14/25

IAD
$650
Free cancellation within 83 hours of booking
KLM Logo
KLM

10/13/25

IAD
12h 30m
Direct

10/14/25

LHR
KLM Logo
KLM

10/21/25

LHR
10h 5m
CDG

10/21/25

IAD
$651
Free cancellation within 83 hours of booking
Air France Logo
Air France

10/08/25

IAD
12h 30m
Direct

10/09/25

LHR
Air France Logo
Air France

10/22/25

LHR
10h 5m
CDG

10/22/25

IAD
$651
Free cancellation within 83 hours of booking
Air Canada Logo
Air Canada

09/22/25

IAD
25h
FRA

09/23/25

LCY
Air Canada Logo
Air Canada

10/15/25

LCY
20h 15m
YUL

10/16/25

IAD
$674
Free cancellation within 83 hours of booking
Virgin Atlantic Logo
Virgin Atlantic

10/04/25

IAD
18h 30m
MSP

10/05/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/29/25

LHR
4h 45m
Direct

10/29/25

IAD
$682
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

10/15/25

IAD
12h 20m
Direct

10/16/25

LHR
Finnair Logo
Finnair

10/20/25

LHR
3h 15m
Direct

10/20/25

IAD
$683
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

10/04/25

IAD
12h 20m
Direct

10/05/25

LHR
IBERIA Logo
IBERIA

10/29/25

LHR
4h 15m
Direct

10/29/25

IAD
$687
Free cancellation within 83 hours of booking
ITA Airways Logo
ITA Airways

09/29/25

IAD
18h 45m
FCO

09/30/25

LGW
ITA Airways Logo
ITA Airways

11/03/25

LGW
30h 10m
FCO

11/04/25

IAD
$690
Free cancellation within 83 hours of booking

Top Deals on flights from Washington Dulles Airport to London

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

American Airlines Logo
American Airlines

Jun 11

IAD
18h 35m
DFW

Jun 12

LHR

as low as

$347

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

Icelandair Logo
Icelandair

Jun 5

IAD
15h 25m
KEF

Jun 6

LGW

as low as

$491

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

Icelandair Logo
Icelandair

Jun 5

IAD
23h 50m
KEF

Jun 6

LHR

as low as

$491

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

SAS Airlines Logo
SAS Airlines

May 28

IAD
19h 35m
CPH

May 29

LHR

as low as

$494

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

Aer Lingus Logo
Aer Lingus

Jun 2

IAD
14h 40m
DUB

Jun 3

LHR

as low as

$546

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

TAP Portugal Logo
TAP Portugal

Jun 2

IAD
41h 45m
EWR
OPO

Jun 4

LGW

as low as

$550

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

TAP Portugal Logo
TAP Portugal

Jun 3

IAD
26h 5m
EWR
LIS

Jun 4

LHR

as low as

$555

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

AVIANCA Logo
AVIANCA

Jun 13

IAD
24h 10m
BOG

Jun 14

LHR

as low as

$604

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

Royal Air Maroc Logo
Royal Air Maroc

May 26

IAD
19h 45m
CMN

May 27

LHR

as low as

$607

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

 Logo

Jun 4

IAD
41h 20m
YYC

Jun 6

LHR

as low as

$623

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

Air Canada Logo
Air Canada

Jun 18

IAD
20h 45m
YUL

Jun 19

LHR

as low as

$648

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

Turkish Airlines Logo
Turkish Airlines

Jun 19

IAD
23h 10m
IST

Jun 20

LHR

as low as

$662

Frequently Asked Questions

What is the typical flight duration from Washington Dulles Airport to London?
The flight from Washington Dulles Airport (IAD) to London (LON) generally takes between 7 to 9 hours for a direct service. This range accounts for variations in flight paths and potential weather delays. It is advisable to check current flight schedules as durations might differ slightly depending on the specific route and season. For travelers from Washington Dulles, planning for a few extra hours in case of transit delays can help ensure a stress-free arrival in London.
Are there any direct flights from Washington Dulles Airport to London?
Yes, there are direct flights available from Washington Dulles Airport (IAD) to London (LON). These nonstop services provide a consistent travel time usually between 7 and 9 hours. Direct flights are particularly popular for their time efficiency compared to connecting itineraries that could significantly extend overall travel time. Travelers from Washington Dulles should check seasonal schedules, as availability may vary, and consider booking in advance to secure the best fare and flight timings.
What are the best transportation options from London airport to downtown or popular tourist attractions?
London offers several efficient transportation options from its major airports to downtown areas and popular tourist attractions. For instance, the Heathrow Express and Gatwick Express train services deliver speedy transfers within 15 to 30 minutes, while the London Underground and buses offer cost-effective alternatives with fares typically ranging from £15 to £40. Taxis are also available but may incur higher charges during peak hours. Travelers coming from Washington Dulles Airport should compare these options to find the best balance between speed, cost, and convenience for their specific destination.
What are the must-see attractions in London for travelers arriving from Washington Dulles Airport?
London is brimming with must-see attractions that capture its rich history and vibrant culture. Iconic landmarks include Buckingham Palace, the British Museum, the Tower of London, and Big Ben at the Houses of Parliament. The London Eye offers stunning panoramic views, and the bustling atmosphere of Covent Garden is worth experiencing. Visitors from Washington Dulles Airport should consider organizing a day-by-day itinerary to cover these highlights while allowing some leisure time to explore local neighborhoods and hidden gems that reveal the city’s unique charm.
What are the best dining options in London for travelers from Washington Dulles Airport?
London boasts an eclectic dining scene that caters to varied palates and budgets. Visitors can enjoy traditional British fare in historic pubs such as The Churchill Arms, savor upscale dishes in Mayfair’s fine dining establishments, or explore contemporary bistros in Shoreditch. International cuisines abound in areas like Soho, while Borough Market provides fresh, local flavors for a vibrant street food experience. For travelers from Washington Dulles, booking a table during peak times is advisable, and trying a mix of restaurants can offer a diverse culinary journey through London’s food culture.
Are there any cultural etiquette tips travelers from Washington Dulles Airport should know before visiting London?
Yes, visitors should be aware of key cultural etiquette tips in London. It is customary to queue properly, speak in moderate tones especially on public transport, and use polite greetings such as 'sir' or 'ma'am.' Punctuality is highly valued, and maintaining personal space is important. For those traveling from Washington Dulles, being discreet and respectful in public settings can facilitate positive interactions. Additionally, adhering to local norms, such as tipping practices in restaurants and following museum regulations, will enhance your overall experience in London.
What are the best accommodation options in London for visitors flying from Washington Dulles Airport?
London offers a wide range of accommodations that suit various budgets and preferences. Travelers can choose luxury hotels in central areas like Westminster or Covent Garden, boutique hotels in trendy districts such as Shoreditch, or more budget-friendly hostels in areas like King’s Cross. Many options provide complimentary breakfast, free Wi-Fi, and easy access to public transportation. For visitors arriving from Washington Dulles, considering proximity to major attractions and transport hubs can maximize convenience, ensuring a comfortable and strategically located stay while exploring London.
What are the top shopping districts in London for travelers arriving from Washington Dulles Airport?
London’s shopping scene is dynamic, with several key districts offering a range of high-end and high street experiences. Oxford Street and Regent Street are well-known for their flagship stores and luxury brands, while Covent Garden presents a mix of boutique shops and artisanal stalls. For a more eclectic vibe, Carnaby Street and Westfield London provide diverse retail environments. Travelers arriving from Washington Dulles Airport should allocate a full day to explore these areas, considering off-peak hours for a more relaxed shopping experience and to avoid crowds during busy periods.
Is there a specific time of year when London is best visited by travelers from Washington Dulles Airport?
Yes, the optimal time to visit London is generally between late spring and early autumn, specifically from May to September. During these months, the weather is usually pleasant with longer daylight hours, which benefit sightseeing and outdoor events. Such timing allows travelers from Washington Dulles Airport to experience the city’s cultural festivals, open-air markets, and vibrant street life. While each season has its own charm, planning your trip during this window can maximize outdoor activities and reduce the likelihood of disruptions caused by colder weather or shorter days.
What are the health and safety precautions travelers from Washington Dulles Airport should take when visiting London?
Travelers should adopt practical health and safety measures before and during a trip to London. It is important to update travel insurance, check vaccination recommendations, and review local health advisories before departure. While London is generally safe, be mindful of pickpockets in crowded areas, maintain awareness in busy public transport hubs, and use reliable maps for navigation at night. Additionally, keeping emergency contact numbers handy and securing personal documents can provide added peace of mind. These precautions help ensure that visitors from Washington Dulles have a secure and enjoyable experience.
Are there any family-friendly attractions in London for travelers from Washington Dulles Airport?
Absolutely, London offers a rich selection of family-friendly attractions that cater to all ages. Highlights include interactive museums such as the Natural History Museum and Science Museum, as well as fun-filled adventures at the London Aquarium near the London Eye. Expansive parks like Hyde Park and Regent’s Park provide plenty of space for outdoor activities and picnics. For visitors arriving from Washington Dulles, planning a balanced itinerary that mixes educational experiences with leisure time can help ensure that every family member enjoys the cultural and recreational offerings available throughout London.
What are the best budget-friendly activities in London for visitors from Washington Dulles Airport?
London has plenty of budget-friendly activities that allow travelers to enjoy the city without overspending. Many of its prestigious museums, including the British Museum, National Gallery, and Tate Modern, offer free entry. Exploring historic neighborhoods on foot or taking self-guided walking tours is highly rewarding. Markets such as Camden or Portobello Road provide affordable shopping and local cuisine. For visitors from Washington Dulles, planning these low-cost attractions alongside occasional paid experiences can deliver a well-rounded visit without compromising on the quality of cultural immersion or exploration.
What unique cultural experiences in London should travelers from Washington Dulles Airport not miss?
London provides myriad unique cultural experiences that showcase its historic and creative spirit. Travelers should consider attending a performance in the West End, exploring heritage pubs with centuries-old atmospheres, and visiting quirky art galleries in the East End. Local neighborhoods like Camden and Shoreditch host vibrant street art and live music scenes that are distinctly London. Additionally, seasonal events such as the Notting Hill Carnival offer immersive cultural exposure. For those coming from Washington Dulles, these experiences offer an opportunity to deeply engage with the diverse traditions and contemporary creative expressions of London.
What are the best seasonal travel tips for visiting London from Washington Dulles Airport?
For a seamless visit to London, planning by season is key. In spring and summer, lightweight clothing and comfortable walking shoes are ideal to explore outdoor attractions and festivals, while sun protection is important during long sightseeing days. Winter visitors should pack warm layers and be prepared for occasional rain, as temperatures can vary between 40°F and 55°F. Booking accommodations and attractions in advance is advisable during peak tourist seasons. Travelers from Washington Dulles Airport should also consider flexible itineraries to adapt to weather changes and make the most of London’s seasonal events.
Are there any special airport amenities in London for travelers arriving from Washington Dulles Airport?
London’s major airports, such as Heathrow and Gatwick, are well-equipped with a range of amenities to enhance the travel experience. Facilities include comfortable lounges, complimentary Wi-Fi, a variety of dining options, and extensive duty-free shopping areas. Some terminals also feature showers, relaxation zones, and business centers, which are especially useful during long layovers or transit periods. Such amenities offer added convenience for travelers from Washington Dulles. Prior to travel, reviewing each airport’s specific services online can help ensure you make the best use of these facilities upon arrival.

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