Departure time
Airlines
Fares are the lowest prices found recently and can change when you click through. You book on the airline's or travel agency's website. AirTriply may earn a commission at no extra cost to you.
Lowest fare$513
Cheapest monthDecember 2026
Typical flight time12h 17m
Direct flightsNo
Lowest fare by month
Airlines on this route
Frequently asked questions
What is the cheapest month to fly from St Louis to Barcelona?
December 2026 has had the lowest recent fares, from $513 one way.
How long is the flight from St Louis to Barcelona?
A typical flight takes about 12h 17m.
Are there direct flights from St Louis to Barcelona?
No direct flights were found recently. Most trips include a stop.
Where do I book my ticket?
AirTriply compares fares from airlines and travel agencies. When you choose a deal, you book on the seller's own website.
Popular routes
St Louis → San AntonioSt Louis → New YorkSt Louis → NewburghSt Louis → Kauai IslandSt Louis → ZhengzhouSt Louis → WarsawSt Louis → MunichSt Louis → AmsterdamSt Louis → ReykjavikSt Louis → FrankfurtSt Louis → ZurichSt Louis → LarnacaSt Louis → AntalyaCheap flights to BarcelonaCheap flights from Barcelona
