air-routes.com

2026.09.07 (63e2638)

      7 results

      No direct — 7 connections
      BCN → STL
      • via Montréal (YUL) — 10h 09m total
      • via Chicago (ORD) — 10h 11m total
      • via Philadelphia (PHL) — 10h 20m total
      • via Boston (BOS) — 10h 21m total
      • via Toronto (YYZ) — 10h 23m total
      • via Washington (IAD) — 10h 34m total
      • via London (LHR) — 11h 02m total

      How it works — direct flights first; otherwise connections ordered preferring fewer stops (times shown are flying time only), up to seven.
      Data refreshed daily · API docs · /api/connections?from=OTP&to=BCN