$446 Cheap United flights Washington (DCA) to Shannon (SNN)

View $446 flight on Mon, Jul 7, 2025Opens in a new window

$446 Cheap United flights Washington (DCA) to Shannon (SNN)

Prices were available within the past 7 days and start at $446 for one-way flights and $563 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Mon, Jul 7 - Thu, Jul 17
DCA
Washington
SNN
Shannon
$563
Roundtrip
Found 20 hours ago
Select United flight, departing Mon, Jul 7 from Washington to Shannon, returning Thu, Jul 17, priced at $563 Found 20 hours ago
United
Sat, Jul 5 - Thu, Jul 17
DCA
Washington
SNN
Shannon
$569
Roundtrip
Found 20 hours ago
Select United flight, departing Sat, Jul 5 from Washington to Shannon, returning Thu, Jul 17, priced at $569 Found 20 hours ago
United
Fri, Jul 4 - Thu, Jul 17
DCA
Washington
SNN
Shannon
$623
Roundtrip
Found 20 hours ago
Select United flight, departing Fri, Jul 4 from Washington to Shannon, returning Thu, Jul 17, priced at $623 Found 20 hours ago
United
Sat, Jul 5 - Sat, Jul 19
DCA
Washington
SNN
Shannon
$629
Roundtrip
Found 20 hours ago
Select United flight, departing Sat, Jul 5 from Washington to Shannon, returning Sat, Jul 19, priced at $629 Found 20 hours ago
United
Mon, Jul 7 - Wed, Jul 16
DCA
Washington
SNN
Shannon
$644
Roundtrip
Found 20 hours ago
Select United flight, departing Mon, Jul 7 from Washington to Shannon, returning Wed, Jul 16, priced at $644 Found 20 hours ago
United
Mon, Jul 7 - Wed, Jul 16
DCA
Washington
SNN
Shannon
$650
Roundtrip
Found 20 hours ago
Select United flight, departing Mon, Jul 7 from Washington to Shannon, returning Wed, Jul 16, priced at $650 Found 20 hours ago
United
Sat, Jul 5 - Wed, Jul 16
DCA
Washington
SNN
Shannon
$650
Roundtrip
Found 20 hours ago
Select United flight, departing Sat, Jul 5 from Washington to Shannon, returning Wed, Jul 16, priced at $650 Found 20 hours ago
United
Mon, Jul 7 - Wed, Jul 16
DCA
Washington
SNN
Shannon
$656
Roundtrip
Found 20 hours ago
Select United flight, departing Mon, Jul 7 from Washington to Shannon, returning Wed, Jul 16, priced at $656 Found 20 hours ago
United
Fri, Jul 4 - Sat, Jul 19
DCA
Washington
SNN
Shannon
$683
Roundtrip
Found 20 hours ago
Select United flight, departing Fri, Jul 4 from Washington to Shannon, returning Sat, Jul 19, priced at $683 Found 20 hours ago
Flights from Washington (DCA) to Shannon (SNN)
Origin airport
Ronald Reagan Washington National
Destination airport
Shannon
Airlines serving
Air Canada, American Airlines, Delta, JetBlue Airways, United
Popular airline
United
Distance
5257 km