American Airlines Cheap Flights from Washington to Shannon

View €444 flight on Mon, 18 Aug 2025Opens in a new window

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Prices were available within the past 7 days and start at €444 for one-way flights and €604 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 3 Aug - Tue, 19 Aug
DCA
Washington
SNN
Shannon
€604 Return, found 3 days ago
€604
Return
found 3 days ago
Select American Airlines flight, departing Sun, 3 Aug from Washington to Shannon, returning Tue, 19 Aug, priced at €604 found 3 days ago
American Airlines
Tue, 29 Jul - Sat, 9 Aug
DCA
Washington
SNN
Shannon
€691 Return, found 2 days ago
€691
Return
found 2 days ago
Select American Airlines flight, departing Tue, 29 Jul from Washington to Shannon, returning Sat, 9 Aug, priced at €691 found 2 days ago
American Airlines
Sun, 3 Aug - Tue, 19 Aug
DCA
Washington
SNN
Shannon
€711 Return, found 3 days ago
€711
Return
found 3 days ago
Select American Airlines flight, departing Sun, 3 Aug from Washington to Shannon, returning Tue, 19 Aug, priced at €711 found 3 days ago
Washington to Shannon route information
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Distance
5257 km
*Available to Expedia members.