American Airlines Cheap Flights from Washington to Shannon

View €441 flight on Mon, 17 Nov 2025Opens in a new window

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Prices were available within the past 7 days and start at €441 for one-way flights and €663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 1 Oct - Thu, 23 Oct
DCA
Washington
SNN
Shannon
€663 Return, found 4 days ago
€663
Return
found 4 days ago
Select American Airlines flight, departing Wed, 1 Oct from Washington to Shannon, returning Thu, 23 Oct, priced at €663 found 4 days ago
American Airlines
Mon, 8 Sep - Fri, 12 Sep
DCA
Washington
SNN
Shannon
€903 Return, found 1 day ago
€903
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from Washington to Shannon, returning Fri, 12 Sep, priced at €903 found 1 day ago
American Airlines
Mon, 8 Sep - Fri, 12 Sep
DCA
Washington
SNN
Shannon
€905 Return, found 1 day ago
€905
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from Washington to Shannon, returning Fri, 12 Sep, priced at €905 found 1 day ago
American Airlines
Mon, 8 Sep - Fri, 12 Sep
DCA
Washington
SNN
Shannon
€911 Return, found 1 day ago
€911
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from Washington to Shannon, returning Fri, 12 Sep, priced at €911 found 1 day ago
American Airlines
Mon, 8 Sep - Fri, 12 Sep
DCA
Washington
SNN
Shannon
€913 Return, found 1 day ago
€913
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from Washington to Shannon, returning Fri, 12 Sep, priced at €913 found 1 day ago
American Airlines
Mon, 8 Sep - Fri, 12 Sep
DCA
Washington
SNN
Shannon
€927 Return, found 1 day ago
€927
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from Washington to Shannon, returning Fri, 12 Sep, priced at €927 found 1 day ago
Washington to Shannon route information
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, United
Popular airline
American Airlines
Distance
5257 km
*Available to Expedia members.