Earn point on your loyalty program!arrow arc left

Cheap flights from Washington (DCA) to Shannon (SNN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Washington (DCA) to Shannon (SNN)

How to find the cheapest flight from Washington (DCA) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Washington (DCA) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Washington (DCA) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Washington to Shannon in June , July 2026

28 Jun - 07 Jul $ 1,234.00
DCA
Washington
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
DCA
Washington
Pick dates
30 Jun - 06 Jul $ 2,183.00
DCA
Washington
Iberia Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Iberia Airlines
1 STOPS
DCA
Washington
Pick dates
30 Jun - 06 Jul $ 2,324.00
DCA
Washington
Iberia Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Iberia Airlines
1 STOPS
DCA
Washington
Pick dates

Last minute flights from Washington to Shannon

29 Jun - 01 Jul $ 2,193.00
DCA
Washington
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 01 Jul $ 2,204.00
DCA
Washington
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 01 Jul $ 2,208.00
DCA
Washington
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
3 STOPS
DCA
Washington
Pick dates

One-way flights to Shannon from Washington

4:25 PM - 10:50 PM
United Airlines
1 Stops
12h 50m
DCA - SNN
$ 812
Kiwi
Pick dates
8:25 PM - 10:50 PM
United Airlines
1 Stops
8h 50m
DCA - SNN
$ 813
Kiwi
Pick dates
8:25 PM - 10:50 PM
United Airlines
1 Stops
8h 50m
DCA - SNN
$ 814
Kiwi
Pick dates

How to find the cheapest flight from Washington (DCA) to Shannon (SNN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Washington (DCA) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Washington (DCA) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.