
Book Cheap British Airways flight from London (LHR) to Washington (DCA) from CA $804
Find The Best Day to Book a Cheap British Airways Flights From London to Washington
Cheapest British Airways Flights from London (LHR) to Washington (DCA)
The cheapest flights to Ronald Reagan Washington National found within the past 7 days were CA $1,154 round trip and CA $804 one way. Prices and availability subject to change. Additional terms may apply.
Grab a great British Airways flight from LHR to DCA
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 Washington 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 Washington
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 Washington with British Airways are May.
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

Hilton Garden Inn Reagan National Airport
Breakfast was delicious and very reasonable. The shuttle service was fast and easy. Reasonable fee to uber to the museums.
Reviewed on Feb 3, 2026

Courtyard by Marriott Arlington Crystal City/Reagan National
Easy to check in, clean, quiet. Helpful shuttle to airport.
Reviewed on Jan 29, 2026

Sheraton Pentagon City Hotel
Clean, comfortable and extremely helpful front desk staff.
Reviewed on Jan 30, 2026
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 DCA
Domestic
- Toronto to Barcelona (YYZ - BCN)
- Montreal to Barcelona (YUL - BCN)
- Toronto to Rome (YYZ - FCO)
- Toronto to Athens (YYZ - ATH)
- Toronto to Hong Kong (YYZ - HKG)
- Toronto to Tokyo (YYZ - HND)
- Toronto to Mumbai (YYZ - BOM)
- Toronto to Lisbon (YYZ - LIS)
- Montreal to Paris (YUL - CDG)
- Toronto to London (YYZ - LHR)
International
Most Popular
- Air Transat Vancouver (YVR) to Manchester (MAN) flights
- London to Manchester (LHR - MAN)
- British Airways Montreal (YUL) to Manchester (MAN) flights
- Kelowna to Manchester (YLW - MAN)
- Air Canada Toronto (YYZ) to Southampton (SOU) flights
- 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
- Cheap Flights to Arlington
- Air Transat Toronto (YYZ) to Manchester (MAN) flights
- Toronto to Southampton (YYZ - SOU)
- Toronto to Manchester (YYZ - MAN)
- British Airways Vancouver (YVR) to Manchester (MAN) flights
- London to London (LHR - STN)
- British Airways Toronto (YYZ) to Manchester (MAN) flights
- British Airways London (LHR) to Manchester (MAN) flights
- Cheap Flights to National Harbor
- Air Canada Goffs (YHZ) to Manchester (MAN) flights
- Lufthansa Ottawa (YOW) to Manchester (MAN) flights
- KLM Vancouver (YVR) to Manchester (MAN) flights
- Aer Lingus Toronto (YYZ) to Exeter (EXT) flights
