- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap flights from St. Louis to Palo Alto (STL-SJC)
Prices were available within the past 7 days and start at €110 for one-way flights and €210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€210 Return, found 3 days ago
€210
Return
found 3 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€220 Return, found 3 days ago
€220
Return
found 3 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€236 Return, found 3 days ago
€236
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€240 Return, found 3 days ago
€240
Return
found 3 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€251 Return, found 3 days ago
€251
Return
found 3 days ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Fri, 13 Sep - Mon, 16 Sep
STL
St. Louis
SFO
San Francisco
€253 Return, found 3 days ago
€253
Return
found 3 days ago
Expedia's Latest Trends
Hotels
Radisson Blu Hotel NantesQueens Hotel CheltenhamApartamentos Parque del SolThe Lodge HotelStaycity Aparthotels, Manchester, PiccadillyPark Inn By Radisson Amsterdam City WestGran Hotel BaliHotels in HayleSol Costa Atlantis TenerifeHotels in Upper West SideHotels in Guardamar del SeguraPenthouse Sea Views · AirCon · Pool · Parking · UHC ACACIAS 263Hotels near Bru na Boinne Visitor CentreCrowne Plaza HY36 Midtown Manhattan, an IHG HotelHoliday Park Resorts Ireland
Flights
Activities
*Available to Expedia members.