British Airways Cheap Flights from Washington to Shannon

View €438 flight on Sun, 3 Aug 2025Opens in a new window

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Prices were available within the past 7 days and start at €438 for one-way flights and €619 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 19 Aug - Tue, 26 Aug
IAD
Washington
SNN
Shannon
€619 Return, found 2 days ago
€619
Return
found 2 days ago
Select British Airways flight, departing Tue, 19 Aug from Washington to Shannon, returning Tue, 26 Aug, priced at €619 found 2 days ago
British Airways
Sun, 3 Aug - Mon, 18 Aug
IAD
Washington
SNN
Shannon
€672 Return, found 23 hours ago
€672
Return
found 23 hours ago
Select British Airways flight, departing Sun, 3 Aug from Washington to Shannon, returning Mon, 18 Aug, priced at €672 found 23 hours ago
British Airways
Sun, 3 Aug - Mon, 18 Aug
IAD
Washington
SNN
Shannon
€676 Return, found 23 hours ago
€676
Return
found 23 hours ago
Select British Airways flight, departing Sun, 3 Aug from Washington to Shannon, returning Mon, 18 Aug, priced at €676 found 23 hours ago
British Airways
Sun, 3 Aug - Mon, 18 Aug
IAD
Washington
SNN
Shannon
€683 Return, found 23 hours ago
€683
Return
found 23 hours ago
Select British Airways flight, departing Sun, 3 Aug from Washington to Shannon, returning Mon, 18 Aug, priced at €683 found 23 hours ago
British Airways
Sun, 3 Aug - Mon, 18 Aug
IAD
Washington
SNN
Shannon
€687 Return, found 23 hours ago
€687
Return
found 23 hours ago
Select British Airways flight, departing Sun, 3 Aug from Washington to Shannon, returning Mon, 18 Aug, priced at €687 found 23 hours ago
British Airways
Sun, 3 Aug - Tue, 19 Aug
IAD
Washington
SNN
Shannon
€693 Return, found 3 hours ago
€693
Return
found 3 hours ago
Select British Airways flight, departing Sun, 3 Aug from Washington to Shannon, returning Tue, 19 Aug, priced at €693 found 3 hours ago
British Airways
Fri, 29 Aug - Tue, 2 Sep
IAD
Washington
SNN
Shannon
€702 Return, found 4 days ago
€702
Return
found 4 days ago
Select British Airways flight, departing Fri, 29 Aug from Washington to Shannon, returning Tue, 2 Sep, priced at €702 found 4 days ago
Washington to Shannon route information
Origin airport
Washington Dulles Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, KLM, United
Popular airline
British Airways
Distance
5276 km
*Available to Expedia members.