
Book Cheap British Airways flight from London (LHR) to Washington (IAD) from CA $746
Find The Best Day to Book a Cheap British Airways Flights From London to Washington
Cheapest British Airways Flights from London (LHR) to Washington (IAD)
The cheapest flights to Washington Dulles Intl. found within the past 7 days were CA $975 round trip and CA $746 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great British Airways flight from LHR to IAD
To find a great deal on British Airways flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying British Airways London to Chantilly gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with British Airways between London and Chantilly
British Airways has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from London to Chantilly with British Airways are March.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your British Airways flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| DFW | USA | Dallas-Fort Worth Intl. | 107 |
| ORD | USA | O'Hare Intl. | 98 |
| MIA | USA | Miami Intl. | 42 |
| LHR | GBR | Heathrow | 31 |
| PHL | USA | Philadelphia Intl. | 26 |
| CLT | USA | Charlotte-Douglas Intl. | 23 |
| DUB | IRL | Dublin | 14 |
| MSY | USA | Louis Armstrong New Orleans Intl. | 13 |
| HND | JPN | Haneda | 11 |
| PHX | USA | Sky Harbor Intl. | 10 |
Travelers ❤️ these 🏨 after their flight to Washington

Hyatt Place Herndon Dulles Airport East
Great stay!
Reviewed on Dec 11, 2025

Washington Dulles Airport Marriott
Clean room (although I found it to be quite small, especially the bathroom). Staff was very pleasant. We had dinner in the dining room and it was delicious.
Reviewed on Dec 7, 2025

Hyatt Regency Dulles
Great stay !!!
Reviewed on Dec 14, 2025
Want more than a(n) British Airways Flight from London to Washington?
Popular British Airways Flight Routes from LHR
Top British Airways Flight Routes from IAD
Domestic
- Seattle to Delhi (SEA - DEL)
- Calgary to London (YYC - LHR)
- Toronto to Dublin (YYZ - DUB)
- Toronto to Rome (YYZ - FCO)
- New York to Delhi (JFK - DEL)
- Toronto to Lisbon (YYZ - LIS)
- Toronto to Tokyo (YYZ - HND)
- Toronto to Bangkok (YYZ - BKK)
- Vancouver to Paris (YVR - CDG)
- Toronto to Hong Kong (YYZ - HKG)
International
Most Popular
- Air Transat Vancouver (YVR) to Manchester (MAN) flights
- London to Manchester (LHR - MAN)
- Toronto to Lynchburg (YYZ - LYH)
- British Airways Montreal (YUL) to Manchester (MAN) flights
- Kelowna to Manchester (YLW - MAN)
- Air Canada Goffs (YHZ) to Norfolk (ORF) flights
- Air Canada Toronto (YYZ) to Southampton (SOU) flights
- Buffalo to Norfolk (BUF - ORF)
- Icelandair Sidney (YYJ) to Manchester (MAN) flights
- Toronto to Leeds (YYZ - LBA)
- Vancouver to Leeds (YVR - LBA)
- Icelandair Toronto (YYZ) to Manchester (MAN) flights
- Aer Lingus Toronto (YYZ) to Manchester (MAN) flights
- Air Canada Toronto (YYZ) to Leeds (LBA) flights
- Air Transat Toronto (YYZ) to Manchester (MAN) flights
- Toronto to Southampton (YYZ - SOU)
- Montreal to Norfolk (YUL - ORF)
- Toronto to Manchester (YYZ - MAN)
- British Airways Vancouver (YVR) to Manchester (MAN) flights
- Vancouver to Norfolk (YVR - ORF)
- London to London (LHR - STN)
- British Airways Toronto (YYZ) to Manchester (MAN) flights
- British Airways London (LHR) to Manchester (MAN) flights
- Air Canada Goffs (YHZ) to Manchester (MAN) flights
- Lufthansa Ottawa (YOW) to Manchester (MAN) flights
- KLM Vancouver (YVR) to Manchester (MAN) flights
- Toronto to Norfolk (YYZ - ORF)
- Norfolk to Toronto (ORF - YYZ)
- Aer Lingus Toronto (YYZ) to Exeter (EXT) flights
