Featured airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Cheap Flights from Washington (WAS) to Shannon (SNN)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.
![Air Canada](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif)
Tue., 1 Apr. - Tue., 8 Apr.
IAD
Washington
SNN
Shannon
AU$1,162 Return, found 4 hours ago
AU$1,162
Return
found 4 hours ago
![Air Canada](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,162 Return, found 4 hours ago
AU$1,162
Return
found 4 hours ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,171 Return, found 4 hours ago
AU$1,171
Return
found 4 hours ago
![Air Canada](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,172 Return, found 4 hours ago
AU$1,172
Return
found 4 hours ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,176 Return, found 4 hours ago
AU$1,176
Return
found 4 hours ago
![Air Canada](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,181 Return, found 4 hours ago
AU$1,181
Return
found 4 hours ago
![Air Canada](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,182 Return, found 4 hours ago
AU$1,182
Return
found 4 hours ago
![JetBlue Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,208 Return, found 4 hours ago
AU$1,208
Return
found 4 hours ago
![British Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif)
Tue., 1 Apr. - Tue., 8 Apr.
DCA
Washington
SNN
Shannon
AU$1,239 Return, found 4 hours ago
AU$1,239
Return
found 4 hours ago
![Aer Lingus](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)
Tue., 1 Apr. - Tue., 8 Apr.
IAD
Washington
SNN
Shannon
AU$1,251 Return, found 4 hours ago
AU$1,251
Return
found 4 hours ago
Nearby Cities
Expedia's Latest Trends
Hotels
NESA Sanur BaliHotels in OsakaFairmont San FranciscoAloft Bali SeminyakAqualuna Beach ResortHotels in YeppoonManapouri Lakeview Motor InnHotels near Kata BeachHotels in Phi Phi IslandsAdmiral Hotel CopenhagenAryaduta BaliQT PerthIsis Motel SconeQuestServicedApartments Hotels in Mount WaverleyPoint A Hotel London ShoreditchWindsor Terrace Motel
Flights
Flights from Port Moresby (POM) to Kiunga (UNG)Flights from Honolulu to MauiFlights from Perth (PER) to Sidoarjo (SUB)Flights from Shanghai (PVG) to Guangzhou (CAN)Flights from Harare (HRE) to Victoria Falls (VFA)Flights from Melbourne to MauiFlights from Tamworth (TMW) to Perth (PER)Flights to Tokyo
*Available to Expedia members.