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Flight Deals from Washington Dulles Airport to London Heathrow Airport from $491

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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
  • KLM
    $651
  • Lufthansa
    $639
  • Royal Air Maroc
    $742
  • SAS Airlines
    $535
  • SWISS
    $633
  • TAP Portugal
    $574
  • Turkish Airlines
    $772
  • United Airlines
    $610
  • Virgin Atlantic
    $625

Cabin Class

  • Economy
    $529

Departure Airports

  • Washington Dulles Airport
    $529

Arrival Airports

  • London Heathrow Airport
    $529

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $640
  • Amsterdam Airport Schiphol
    $693
  • Brussels Airport
    $650
  • Casablanca Mohammed V Airport
    $742
  • Copenhagen Kastrup Airport
    $535
  • Dublin Airport
    $646
  • Francisco de Sá Carneiro Airport
    $606
  • Frankfurt am Main Airport
    $620
  • General Edward Lawrence Logan International Airport
    $774
  • Hartsfield Jackson Atlanta International Airport
    $642
  • Humberto Delgado Airport (Lisbon Portela Airport)
    $574
  • Istanbul Airport
    $772
  • 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
  • Oslo Gardermoen Airport
    $604
  • Paris Charles de Gaulle Airport
    $625
  • Reykjavik Keflavik Airport
    $529
  • Stockholm Arlanda Airport
    $535
  • Toronto Pearson Airport
    $639
  • 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
TAP Portugal Logo
TAP Portugal

10/08/25

IAD
21h 45m
LIS

10/09/25

LHR
TAP Portugal Logo
TAP Portugal

10/16/25

LHR
10h 15m
LIS

10/16/25

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

10/13/25

IAD
18h 20m
CPH
OSL

10/14/25

LHR
SAS Airlines Logo
SAS Airlines

10/21/25

LHR
9h 39m
CPH

10/21/25

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

10/02/25

IAD
18h 55m
LIS

10/03/25

LHR
TAP Portugal Logo
TAP Portugal

10/21/25

LHR
18h 5m
OPO
LIS

10/22/25

IAD
$606
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

09/21/25

IAD
20h 45m
YUL

09/22/25

LHR
Air Canada Logo
Air Canada

10/15/25

LHR
9h 20m
FRA

10/15/25

IAD
$620
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

10/07/25

IAD
12h 25m
Direct

10/08/25

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

10/05/25

IAD
12h 30m
Direct

10/06/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/28/25

LHR
4h 45m
Direct

10/28/25

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

10/01/25

IAD
12h 15m
Direct

10/02/25

LHR
SWISS Logo
SWISS

10/17/25

LHR
7h 35m
ZRH

10/17/25

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

09/24/25

IAD
12h 15m
Direct

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
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
4h 30m
Direct

10/29/25

IAD
$639
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/23/25

IAD
12h 15m
Direct

09/24/25

LHR
Lufthansa Logo
Lufthansa

10/14/25

LHR
6h 20m
FRA

10/14/25

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
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
Air France Logo
Air France

10/15/25

IAD
12h 30m
Direct

10/16/25

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
KLM Logo
KLM

09/28/25

IAD
12h 30m
Direct

09/29/25

LHR
KLM Logo
KLM

10/22/25

LHR
13h
CDG

10/22/25

IAD
$651
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

10/04/25

IAD
12h 20m
Direct

10/05/25

LHR
Finnair Logo
Finnair

10/29/25

LHR
4h 25m
Direct

10/29/25

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
Virgin Atlantic Logo
Virgin Atlantic

10/04/25

IAD
16h 5m
JFK

10/05/25

LHR
Virgin Atlantic Logo
Virgin Atlantic

10/29/25

LHR
8h 5m
AMS

10/29/25

IAD
$693
Free cancellation within 83 hours of booking
Royal Air Maroc Logo
Royal Air Maroc

10/03/25

IAD
20h 40m
CMN

10/04/25

LHR
Royal Air Maroc Logo
Royal Air Maroc

10/14/25

LHR
26h 25m
CMN

10/15/25

IAD
$742
Free cancellation within 83 hours of booking
Turkish Airlines Logo
Turkish Airlines

10/15/25

IAD
20h 20m
IST

10/16/25

LHR
Turkish Airlines Logo
Turkish Airlines

10/21/25

LHR
18h 30m
IST

10/22/25

IAD
$772
Free cancellation within 83 hours of booking
Icelandair Logo
Icelandair

10/10/25

IAD
23h 50m
KEF

10/11/25

LHR
Icelandair Logo
Icelandair

10/14/25

LHR
18h 4m
KEF
BOS

10/15/25

IAD
$774
Free cancellation within 83 hours of booking

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

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

Icelandair Logo
Icelandair

Jun 3

IAD
23h 50m
KEF

Jun 4

LHR

as low as

$491

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

SAS Airlines Logo
SAS Airlines

May 28

IAD
17h 55m
CPH

May 29

LHR

as low as

$494

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

Aer Lingus Logo
Aer Lingus

Jun 9

IAD
15h 45m
DUB

Jun 10

LHR

as low as

$546

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

TAP Portugal Logo
TAP Portugal

Jun 9

IAD
26h 5m
EWR
LIS

Jun 10

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 17

IAD
20h 45m
YUL

Jun 18

LHR

as low as

$648

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

Turkish Airlines Logo
Turkish Airlines

Jun 17

IAD
23h 10m
IST

Jun 18

LHR

as low as

$662

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

United Airlines Logo
United Airlines

Jun 11

IAD
12h 20m
Direct

Jun 12

LHR

as low as

$686

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

Air Canada Logo
Air Canada

Jun 4

IAD
15h 28m
YOW

Jun 5

LHR

as low as

$686

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

IBERIA Logo
IBERIA

Jun 9

IAD
12h 25m
Direct

Jun 10

LHR

as low as

$687

Frequently Asked Questions

What is the typical flight duration from Washington Dulles Airport to London Heathrow Airport?
The typical nonstop flight duration from Washington Dulles Airport (IAD) to London Heathrow (LHR) generally takes between 7 to 9 hours. This duration can vary slightly depending on wind currents and specific flight paths. Travelers should also account for potential delays due to boarding procedures and air traffic. It’s a long-haul journey, so planning flight timings, checking in advance for any changes, and preparing for a comfortable trip will help ensure a smooth travel experience.
Are there any direct flights from Washington Dulles Airport to London Heathrow Airport?
Yes, there are direct flights available from Washington Dulles to London Heathrow. Airlines like British Airways and United Airlines often operate nonstop services between the two, which makes the journey more convenient. However, schedules and availability may vary depending on the season and demand. Travelers should compare flight times and costs in the range of mid-to-high-dollar fares. It's advisable to book in advance and review cancellation policies to secure a smooth transfer between these major international hubs.
What are the best transportation options from London Heathrow Airport to downtown London?
Travelers have several excellent transportation options from London Heathrow to downtown London. The Heathrow Express is a fast choice, costing around £22 to £25 with a travel time of approximately 15 to 20 minutes. Alternatively, the Piccadilly Line of the Underground offers an economical option, with fares typically between £5 and £8 and a journey time of 45 to 60 minutes. Taxis and ride-sharing services provide door-to-door service but can be more expensive, usually ranging from £50 to £80 depending on traffic.
What are the must-see attractions in London for travelers arriving from Washington Dulles Airport?
Travelers arriving from Washington Dulles should consider visiting iconic landmarks such as the Tower of London, Buckingham Palace, and the London Eye for panoramic views of the city. Additionally, cultural hubs like the British Museum and the National Gallery offer rich historical and artistic experiences. Exploring vibrant neighborhoods like Covent Garden and the historic streets of Westminster enriches the visit. Pre-booking tickets for popular attractions, where available, helps reduce waiting times and ensures a more enjoyable, well-planned itinerary.
Which local dishes should travelers from Washington Dulles Airport try when visiting London?
Visitors should try quintessential British dishes that showcase the local culinary scene. A classic full English breakfast, fish and chips served in a traditional pub, and hearty Sunday roasts are must-tries. Additionally, exploring afternoon tea with scones and clotted cream offers a delightful experience. For those interested in exploring multicultural influences, diverse offerings in areas like Soho provide great alternatives. Meal prices tend to range from £10 to £50 depending on the venue, so planning dining experiences around your itinerary can offer both authentic tastes and budget-friendly options.
What are the best family-friendly activities in London for visitors from Washington Dulles Airport?
Families have a broad range of engaging activities to enjoy. Museums like the Science Museum and Natural History Museum offer interactive exhibits that entertain and educate both kids and adults. Visiting attractions such as the London Eye provides spectacular views, while exploring expansive parks such as Hyde Park and Regent’s Park allows for plenty of outdoor fun. Additionally, attractions like the London Zoo offer memorable experiences. Pre-booking tickets and planning travel routes in advance helps manage crowds and ensures a smooth, family-oriented day out.
Are there any budget-friendly hotels in London for travelers from Washington Dulles Airport?
Yes, budget-friendly accommodation is available in London. Options range from hostels and 2-star hotels in areas with strong transport links starting from around £50 per night to more comfortable mid-range hotels in central locations. Districts such as King's Cross, Paddington, or Shoreditch often offer competitive rates. It is advisable to book early, check guest reviews, and consider packages that include breakfast for added value. This way, travelers can balance cost with convenience and comfort while exploring the city's many attractions.
What are the customs requirements for travelers flying from Washington Dulles Airport to London Heathrow Airport?
Travelers are required to have a valid passport and, if applicable, a visa when flying from Washington Dulles to London Heathrow. It’s important to declare any items that exceed the duty-free allowance such as large amounts of cash or high-value purchases. Familiarize yourself with both US and UK customs regulations, including restrictions on food items, alcohol, and other goods. Always carry receipts and any relevant documents for expensive purchases to facilitate the customs process. Checking the official customs websites before traveling can help avoid unexpected delays or complications.
What are the top cultural experiences in London for visitors arriving from Washington Dulles Airport?
London offers a rich cultural landscape that includes visits to world-class museums like the British Museum and Tate Modern, along with live theater experiences in the West End. Exploring historical areas around Westminster or enjoying street art in Camden provides an immersive local vibe. Attending a classical concert or a traditional festival can also enrich your experience. These activities, ranging broadly in cost, allow visitors to appreciate both the modern and historical facets of London. Pre-planning cultural tours or booking guided experiences can enhance understanding and accessibility.
Is there a specific time of year when London is best visited by travelers from Washington Dulles Airport?
Yes, the best time to visit is typically during late spring (May to early July) and early autumn (September to October) when the weather is mild and the city is less crowded. During these months, outdoor attractions, picturesque parks, and cultural events shine without the peak season rush. Travelers can enjoy a balanced mix of indoor and outdoor activities while experiencing pleasant temperatures. As seasonal variations affect prices and event schedules, planning ahead and booking accommodations well in advance can help optimize the overall travel experience.
What are the best shopping areas in London for travelers from Washington Dulles Airport?
London boasts a variety of shopping districts catering to diverse tastes and budgets. Oxford Street, Regent Street, and Bond Street provide a mix of high-street brands and luxury boutiques, ideal for a range of shoppers. Covent Garden and Carnaby Street offer charming independent stores and artisanal products, adding a unique local flavor. For a different vibe, traditional markets such as Camden Market or Portobello Road Market present vintage finds and antiques. Mapping your shopping route in advance based on interests and budget can maximize both convenience and enjoyment.
Are there any seasonal events in London that travelers from Washington Dulles Airport should not miss?
Yes, London is home to a dynamic calendar of seasonal events that can truly enhance your visit. In winter, the city hosts festive holiday markets and New Year celebrations, while summer brings events like Wimbledon, outdoor concerts, and cultural street festivals. Notting Hill Carnival in August is a particularly vibrant experience. These events offer immersive cultural insights and a festive atmosphere. It is recommended to check event schedules in advance, as prices and participation options may vary seasonally, ensuring you can plan a trip that maximizes both cultural immersion and convenience.
What are the health and safety tips for travelers from Washington Dulles Airport visiting London?
Travelers should take standard precautions by keeping personal belongings secure in crowded areas and using reputable transportation services. Familiarize yourself with local emergency numbers and locate nearby medical facilities in advance. While London is generally safe, it's advisable to remain aware of surroundings, especially during peak tourist hours. Investing in travel insurance and keeping a digital copy of important documents is wise. Checking any current public health advisories before departure and practicing good hygiene during transit are additional steps that can contribute significantly to a safe and pleasant visit.
What unique airport amenities can travelers expect at London Heathrow Airport?
London Heathrow offers a range of unique amenities designed to enhance the traveler’s experience. Passengers can enjoy diverse dining options, luxury retail outlets, and duty-free shopping featuring British and international brands. Relaxation areas, lounges, and even spas help ease layovers. The airport also supports essential business facilities like conference rooms and free Wi-Fi throughout. For families, designated play areas and baby changing facilities ensure comfort during transit. These services, available across terminals, aim to provide convenience and a welcoming atmosphere for international travelers.
What are the best solo travel activities in London for travelers arriving from Washington Dulles Airport?
Solo travelers in London can enjoy a wide range of activities that support independent exploration. Consider joining guided walking tours to explore historic neighborhoods and hidden gems while meeting like-minded people. Museums, art galleries, and local markets, such as Camden or Borough Market, offer enriching cultural experiences. Additionally, trying local cafes, bookshops, and parks like Regent’s or Hyde Park allows for reflective relaxation. Utilizing mobile apps and transit maps makes navigating the city easier, while planning a flexible itinerary ensures you balance spontaneity with the highlights of your visit.

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