CA $766 Cheap American Airlines fights from Washington (DCA) to Shannon (SNN)

View CA $766 flight on Thu, Sep. 11, 2025Opens in a new window

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American Airlines flights from Washington to Shannon (DCA→SNN)

Prices were available within the past 7 days and start at CA $766 for one-way flights and CA $1,124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,124 Roundtrip, found 6 days ago
CA $1,124
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,124 found 6 days ago
American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,127 Roundtrip, found 6 days ago
CA $1,127
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,127 found 6 days ago
American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,137 Roundtrip, found 6 days ago
CA $1,137
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,137 found 6 days ago
American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,140 Roundtrip, found 6 days ago
CA $1,140
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,140 found 6 days ago
American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,314 Roundtrip, found 6 days ago
CA $1,314
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,314 found 6 days ago
American Airlines
Thu, Sep. 11 - Sat, Sep. 27
DCA
Washington
SNN
Shannon
CA $1,320 Roundtrip, found 6 days ago
CA $1,320
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Washington to Shannon, returning Sat, Sep. 27, priced at CA $1,320 found 6 days ago
Flight from Washington to Shannon (DCA - SNN) route information
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Distance
5257 km
*Available to Expedia members.