$389 Cheap Aer Lingus flights Washington (WAS) to London (LON)

$389 Cheap Aer Lingus flights Washington (WAS) to London (LON)

Prices were available within the past 7 days and start at $389 for one-way flights and $523 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 28 - Mon, Jan 12

IAD

Washington

LHR

London

$523 Roundtrip, found 17 hours ago

$523

Roundtrip

found 17 hours ago

Select Aer Lingus flight, departing Sun, Dec 28 from Washington to London, returning Mon, Jan 12, priced at $523 found 17 hours ago

Sat, Mar 28 - Sat, Apr 4

BWI

Baltimore

LHR

London

$845 Roundtrip, found 2 hours ago

$845

Roundtrip

found 2 hours ago

Select Aer Lingus flight, departing Sat, Mar 28 from Baltimore to London, returning Sat, Apr 4, priced at $845 found 2 hours ago

Wed, Jan 14 - Wed, Jan 28

IAD

Washington

LCY

London

$893 Roundtrip, found 1 hour ago

$893

Roundtrip

found 1 hour ago

Select Aer Lingus flight, departing Wed, Jan 14 from Washington to London, returning Wed, Jan 28, priced at $893 found 1 hour ago