air-routes.com

2026.09.07 (58fefa6)

      6 results

      No direct — 6 connections
      STL → SYD
      • via Las Vegas (LAS) — 19h 07m total
      • via Los Angeles (LAX) — 19h 11m total
      • via Houston (IAH) — 19h 21m total
      • via San Francisco (SFO) — 19h 27m total
      • via Dallas-Fort Worth (DFW) — 19h 36m total
      • via Toronto (YYZ) — 21h 32m 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