American Airlines Cheap Flights from Washington to Shannon

View €438 flight on Wed, 8 Oct 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 €610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€610 Return, found 6 days ago
€610
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €610 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€619 Return, found 6 days ago
€619
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €619 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€620 Return, found 6 days ago
€620
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €620 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€628 Return, found 6 days ago
€628
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €628 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€629 Return, found 6 days ago
€629
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €629 found 6 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
DCA
Washington
SNN
Shannon
€635 Return, found 6 days ago
€635
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to Shannon, returning Wed, 3 Sep, priced at €635 found 6 days ago
Washington to Shannon route information
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, United
Popular airline
British Airways
Distance
5257 km
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