$489 Cheap United flights Baltimore (BWI) to London (LHR)

View $489 flight on Tue, Jan 27, 2026Opens in a new window

$489 Cheap United flights Baltimore (BWI) to London (LHR)

Prices were available within the past 7 days and start at $489 for one-way flights and $609 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Wed, Jan 28
BWI
Baltimore
LHR
London
$609 Roundtrip, found 2 days ago
$609
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Baltimore to London, returning Wed, Jan 28, priced at $609 found 2 days ago
United
Tue, Apr 28 - Fri, May 15
BWI
Baltimore
LHR
London
$646 Roundtrip, found 2 days ago
$646
Roundtrip
found 2 days ago
Select United flight, departing Tue, Apr 28 from Baltimore to London, returning Fri, May 15, priced at $646 found 2 days ago

Find the cheapest month to fly from Baltimore (BWI) to London (LHR)

February is typically the cheapest month to fly

From $504 - $974 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $522
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $522
Flights from Baltimore (BWI) to London (LHR)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Heathrow
Airlines serving
British Airways, Delta, Icelandair
Popular airline
British Airways
Distance
5799 km
Average flight time
7 hours 5 mins