- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Washington to Southampton (WAS-SOU)
Prices were available within the past 7 days and start at $455 for one-way flights and $623 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Mon, Sep 16 - Tue, Sep 24
IAD
Washington
SOU
Southampton
$623 Roundtrip, found 4 days ago
$623
Roundtrip
found 4 days ago
Tue, Dec 31 - Tue, Jan 14
BWI
Baltimore
SOU
Southampton
$722 Roundtrip, found 6 days ago
$722
Roundtrip
found 6 days ago
Mon, Dec 30 - Mon, Jan 13
BWI
Baltimore
SOU
Southampton
$722 Roundtrip, found 6 days ago
$722
Roundtrip
found 6 days ago
Sat, Sep 28 - Fri, Oct 11
IAD
Washington
SOU
Southampton
$729 Roundtrip, found 1 day ago
$729
Roundtrip
found 1 day ago
Sat, Oct 5 - Sun, Oct 13
IAD
Washington
SOU
Southampton
$730 Roundtrip, found 5 hours ago
$730
Roundtrip
found 5 hours ago
Wed, Oct 30 - Tue, Nov 12
IAD
Washington
SOU
Southampton
$731 Roundtrip, found 5 days ago
$731
Roundtrip
found 5 days ago
*Available to One Key members.