NZ$410 Cheap Flights Washington to London (IAD-LHR)

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Cheap Flights from Washington (IAD) to London (LHR)

Prices were available within the past 7 days and start at NZ$410 for one-way flights and NZ$770 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$770 Return, found 5 days ago
NZ$770
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$770 found 5 days ago
Scandinavian Airlines
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$877 Return, found 5 days ago
NZ$877
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$877 found 5 days ago
TAP Portugal
Mon., 18 Nov. - Thu., 28 Nov.
IAD
Washington
LHR
London
NZ$909 Return, found 5 days ago
NZ$909
Return
found 5 days ago
Select TAP Portugal flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 28 Nov., priced at NZ$909 found 5 days ago
Scandinavian Airlines
Mon., 18 Nov. - Fri., 29 Nov.
IAD
Washington
LHR
London
NZ$961 Return, found 5 days ago
NZ$961
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Mon., 18 Nov. from Washington to London, returning Fri., 29 Nov., priced at NZ$961 found 5 days ago
Delta
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$977 Return, found 5 days ago
NZ$977
Return
found 5 days ago
Select Delta flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$977 found 5 days ago
Virgin Atlantic
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$982 Return, found 5 days ago
NZ$982
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$982 found 5 days ago
Delta
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$988 Return, found 5 days ago
NZ$988
Return
found 5 days ago
Select Delta flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$988 found 5 days ago
Scandinavian Airlines
Mon., 18 Nov. - Fri., 29 Nov.
IAD
Washington
LHR
London
NZ$1,012 Return, found 5 days ago
NZ$1,012
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Mon., 18 Nov. from Washington to London, returning Fri., 29 Nov., priced at NZ$1,012 found 5 days ago
Virgin Atlantic
Mon., 18 Nov. - Thu., 5 Dec.
IAD
Washington
LHR
London
NZ$1,027 Return, found 5 days ago
NZ$1,027
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon., 18 Nov. from Washington to London, returning Thu., 5 Dec., priced at NZ$1,027 found 5 days ago
Icelandair
Mon., 18 Nov. - Mon., 2 Dec.
IAD
Washington
LHR
London
NZ$1,028 Return, found 5 days ago
NZ$1,028
Return
found 5 days ago
Select Icelandair flight, departing Mon., 18 Nov. from Washington to London, returning Mon., 2 Dec., priced at NZ$1,028 found 5 days ago
Flight from Washington to London route information
Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Return price
NZ$770
Distance
5866 km
Average flight time
12 hours 21 mins

Perfect flights from Washington to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of London, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from NZ$410 and roundtrip prices from NZ$770. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore London and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your IAD to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Heathrow Airport (LHR)?
Start packing your suitcase, because round-trip journeys from IAD to London Heathrow start from NZ$770. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Heathrow Airport?
We understand that things come up unexpectedly, so we’ve made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for IAD to Heathrow Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Dulles Intl. Airport to LHR?
You’ll have 5 900 kilometres to cover on the long-haul Chantilly to Hounslow route. Dress in layers of comfortable clothes and consider taking a sleep mask and earplugs.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Heathrow Airport?
With 60 flights a month from Dulles Intl. Airport to LHR, United Airlines (UA) is an excellent choice. Another carrier operating on this route is British Airways (BA). You’ll have 60 flights every month to choose from.
Are IAD to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to London Heathrow at the last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you’d prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
London Flight Deals

London

Washington to London City
NZ$1,059.20
*Available to Expedia members.