air-routes.com

2026.09.07 (58fefa6)

      6 results

      No direct — 6 connections
      SIN → STL
      • via Seattle (SEA) — 20h 09m total
      • via San Francisco (SFO) — 21h 23m total
      • via Los Angeles (LAX) — 21h 34m total
      • via Newark (EWR) — 21h 53m total
      • via Frankfurt am Main (FRA) — 22h 41m total
      • via London (LHR) — 22h 45m 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