
Popular airlines from Washington Dulles Intl. Airport (IAD) to Heathrow Airport (LHR)
- Air France
Air France
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- Lufthansa
Lufthansa
- Austrian Airlines
Austrian Airlines
- United
United
- Virgin Atlantic
Virgin Atlantic
- Plan, book, fly with confidence
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Cheap Flights from Washington to London (IAD-LHR)
Prices were available within the past 7 days and start at S$490 for one-way flights and S$748 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 21 Aug - Thu, 28 Aug
IAD
Washington
LHR
London
S$748 Return, found 15 hours ago
S$748
Return
found 15 hours ago

Fri, 22 Aug - Fri, 29 Aug
IAD
Washington
LHR
London
S$749 Return, found 5 hours ago
S$749
Return
found 5 hours ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$791 Return, found 3 days ago
S$791
Return
found 3 days ago

Mon, 1 Sep - Tue, 9 Sep
IAD
Washington
LHR
London
S$793 Return, found 5 hours ago
S$793
Return
found 5 hours ago

Mon, 1 Sep - Tue, 9 Sep
IAD
Washington
LHR
London
S$797 Return, found 5 hours ago
S$797
Return
found 5 hours ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$800 Return, found 3 days ago
S$800
Return
found 3 days ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$815 Return, found 3 days ago
S$815
Return
found 3 days ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$815 Return, found 3 days ago
S$815
Return
found 3 days ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$849 Return, found 3 days ago
S$849
Return
found 3 days ago

Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
LHR
London
S$850 Return, found 3 days ago
S$850
Return
found 3 days ago
Find the cheapest month to fly from Washington (IAD) to London (LHR)
October is typically the cheapest month to fly
From S$574 - S$1,007 per traveller.
Graph displaying average flight prices per month
Origin airport | Washington Dulles Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Royal Air Maroc, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic |
Return price | S$747 |
Distance | 5866 km |
Average flight time | 12 hours 23 mins |
Perfect flights from Washington to London
Your Journey from Washington to London
Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
Choosing Your Ideal Flight
With Expedia, you have access to a wide range of airlines, including United, Delta, Virgin Atlantic, Air Canada, British Airways, KLM, Swiss International Air Lines. Our selection of flights from Washington Dulles Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
Maximizing Value with Washington to London Flights
Experience the joy of finding cheap flights from Washington Dulles Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$490 and roundtrip prices from S$748*.
Pre-Flight Essentials
Ensure a smooth journey from Washington to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
Experience the Vibrant London
Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
Added Convenience on Your Washington to London Flight
Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to London.
Beyond the Flight – Exploring London
With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
Book Your Flight from Washington to London with Confidence
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to London with confidence. Book your travel arrangements with Expedia today.
*Note: Prices may vary based on availability and are subject to change.
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Popular flights from Washington
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Top Flight Destinations Near Here
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London Airports
London
Washington Airports
Baltimore
Washington
Nearby Airports
- Manassas Regional Airport (MNZ)
- Montgomery County Airpark Airport (GAI)
- Ronald Reagan Washington National Airport (DCA)
- Eastern West Virginia Regional Airport (MRB)
- Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
- Charlottesville-Albemarle Airport (CHO)
- Shenandoah Valley Regional Airport (SHD)
- Harrisburg Intl. Airport (MDT)
Expedia's Latest Trends
Flights
Singapore to Newquay (SIN - NQY)Singapore to Southampton (SIN - SOU)Qatar Airways Singapore (SIN) to Manchester (MAN) flightsManchester to Paris (MAN - CDG)Singapore to Norwich (SIN - NWI)Singapore to Nottingham (SIN - NQT)Singapore to Plymouth (SIN - PLH)Singapore to Birmingham (SIN - BHX)Leeds to Singapore (LBA - SIN)Newcastle to Singapore (NCL - SIN)London to Liverpool (LHR - LPL)Singapore to Exeter (SIN - EXT)Singapore to Liverpool (SIN - LPL)Manchester to Singapore (MAN - SIN)Singapore to Leeds (SIN - LBA)Newcastle to London (NCL - LHR)Singapore to Bristol (SIN - BRS)Singapore to Durham (SIN - MME)Kuala Lumpur to Manchester (KUL - MAN)Kota Bharu to Manchester (KBR - MAN)Birmingham to Singapore (BHX - SIN)Singapore to Cambridge (SIN - CBG)Singapore to Norfolk (SIN - ORF)Singapore to Newcastle (SIN - NCL)Manchester to London (MAN - LHR)Singapore to Charlottesville (SIN - CHO)London to Manchester (LHR - MAN)Birmingham to Helsinki (BHX - HEL)Bristol to Edinburgh (BRS - EDI)Singapore to Manchester (SIN - MAN)
*Available to Expedia members.