British Airways Flight 48 Deals & Information (2025/2026)

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British Airways Flight 48 Route Deals From $418

The cheapest prices found with in the last 7 days for return flights were $703 and $418 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Thu, Oct 9
SEA
Seattle - Tacoma Intl.
LHR
Heathrow
$703 Roundtrip, found 1 hour ago
$703
Roundtrip
found 1 hour ago
Select British Airways flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Oct 9, priced at $703 found 1 hour ago

Frequently asked questions

What route does flight number BA48 take?
Flight number BA48 operates directly from SEA to Heathrow Airport. During this journey, you can expect to be in the air for approximately 9 hours and 20 minutes. It’s wise to book ahead to lock in your favorite seat.
What kind of plane is on flight number BA48?
The Boeing 787-10 is the type of plane that’s generally used for flight number BA48. Usually, this flight departs from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and comes in to land at Heathrow Airport.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your BA48 flight with Travelocity, please visit our Customer Service Portal.