American Airlines Cheap Flights from Washington to Shannon

View €445 flight on Tue, 12 May 2026Opens in a new window

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Prices were available within the past 7 days and start at €445 for one-way flights and €603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€603 Return, found 19 hours ago
€603
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €603 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€607 Return, found 19 hours ago
€607
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €607 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€612 Return, found 19 hours ago
€612
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €612 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€615 Return, found 19 hours ago
€615
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €615 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€616 Return, found 19 hours ago
€616
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €616 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€619 Return, found 19 hours ago
€619
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €619 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€621 Return, found 19 hours ago
€621
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €621 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€630 Return, found 19 hours ago
€630
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €630 found 19 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
IAD
Washington
SNN
Shannon
€654 Return, found 19 hours ago
€654
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 19 Oct from Washington to Shannon, returning Tue, 4 Nov, priced at €654 found 19 hours ago
Washington to Shannon route information
Origin airport
Washington Dulles Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, United
Popular airline
British Airways
Distance
5276 km
*Available to Expedia members.