
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 25% on select hotels after you book a flight*payments icon
British Airways flights from Seattle to London (SEA→LHR)
Prices were available within the past 7 days and start at £313 for one-way flights and £403 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 21 Jul - Thu, 23 Oct
SEA
Seattle
LHR
London
£403 Return, found 23 hours ago
£403
Return
found 23 hours ago

Tue, 11 Nov - Tue, 18 Nov
SEA
Seattle
LHR
London
£408 Return, found 1 day ago
£408
Return
found 1 day ago

Mon, 21 Jul - Wed, 6 Aug
SEA
Seattle
LHR
London
£428 Return, found 2 hours ago
£428
Return
found 2 hours ago

Mon, 28 Jul - Wed, 13 Aug
SEA
Seattle
LHR
London
£429 Return, found 1 day ago
£429
Return
found 1 day ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, Virgin Atlantic, WestJet |
Popular airline | Virgin Atlantic |
Distance | 7657 km |
Average flight time | 17 hours 33 mins |
- Trending British Airways Flights
- Trending Routes
- Related Airlines
- Nearby Airports
- Flights from Other Cities
- Expedia's Latest Trends
Most Popular British Airways Routes from Seattle
Most Popular British Airways Routes from London
- London to Barcelona (LGW - BCN)
- London to New York (LHR - JFK)
- London to Delhi (LHR - DEL)
- London to Mumbai (LHR - BOM)
- London to Delhi (LHR - DEL)
- Manchester to Islamabad (MAN - ISB)
- London to Bangkok (LGW - BKK)
- Manchester to Islamabad (MAN - ISB)
- London to Lahore (LHR - LHE)
- London to Islamabad (LHR - ISB)
Popular Domestic Routes in Heathrow
- London to Delhi (LHR - DEL)
- London to Los Angeles (LHR - LAX)
- London to Colombo (LHR - CMB)
- London to Barcelona (LHR - BCN)
- London to Hong Kong (LHR - HKG)
- London to Mumbai (LHR - BOM)
- London to Islamabad (LGW - ISB)
- London to Barcelona (LGW - BCN)
- London to New York (LHR - JFK)
- London to Dubai (LHR - DXB)
Expedia's Latest Trends
Flights
Cheap Flights from London (LHR) to Melbourne (MEL)Cheap Flights from London (LHR) to Los Angeles (LAX)Cheap Flights from Edinburgh (EDI) to London (LHR)Cheap Flights from London (LHR) to Hong Kong (HKG)Cheap Flights from London (LHR) to Tokyo (NRT)Cheap Flights from London (LHR) to Sri Guru Ram Das Ji Intl. Airport (ATQ)Cheap Flights from London (LHR) to Bangkok (BKK)Cheap Flights from London (LHR) to Manila (MNL)Cheap Flights from London (LHR) to Johannesburg (JNB)Cheap Flights from London (LHR) to Toronto (YYZ)Cheap Flights from London (LON) to New York (NYC)Cheap Flights from Newcastle (NCL) to London (LHR)Cheap Flights from London (LHR) to Sydney (SYD)Cheap Flights from Lagos (LOS) to London (LHR)Cheap Flights from London (LHR) to New York (JFK)Cheap Flights from London (LHR) to Auckland (AKL)Cheap Flights from London (LHR) to Miami (MIA)Cheap Flights from London (LHR) to San Francisco (SFO)Cheap Flights from London (LHR) to Perth (PER)Cheap Flights from London (LHR) to Delhi (DEL)Cheap Flights from London (LHR) to Colombo (CMB)Cheap Flights from London (LHR) to Istanbul (IST)Cheap Flights from London (LHR) to Barcelona (BCN)Cheap Flights from Manchester (MAN) to New York (JFK)Cheap Flights from London (LHR) to Dubai (DXB)Cheap Flights from London (LHR) to Cape Town (CPT)Cheap Flights from London (LHR) to Lisbon (LIS)Cheap Flights from London (LHR) to Vancouver (YVR)Cheap Flights from London (LHR) to Mumbai (BOM)Cheap Flights from London (LHR) to Goa (GOI)
*Available to Expedia members.