$391 Cheap Aer Lingus flights Washington (WAS) to London (LON)

$391 Cheap Aer Lingus flights Washington (WAS) to London (LON)

Prices were available within the past 7 days and start at $391 for one-way flights and $612 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 9 - Tue, Dec 16

IAD

Washington

LHR

London

$612 Roundtrip, just found

$612

Roundtrip

just found

Select Aer Lingus flight, departing Tue, Dec 9 from Washington to London, returning Tue, Dec 16, priced at $612 just found

Tue, Mar 31 - Tue, Apr 7

BWI

Baltimore

LHR

London

$763 Roundtrip, found 6 hours ago

$763

Roundtrip

found 6 hours ago

Select Aer Lingus flight, departing Tue, Mar 31 from Baltimore to London, returning Tue, Apr 7, priced at $763 found 6 hours ago

Wed, Feb 4 - Thu, Feb 12

IAD

Washington

LCY

London

$905 Roundtrip, found 6 days ago

$905

Roundtrip

found 6 days ago

Select Aer Lingus flight, departing Wed, Feb 4 from Washington to London, returning Thu, Feb 12, priced at $905 found 6 days ago