Flights from Saint Louis to Eastern Europe in September

September is the best month in Eastern Europe: warm, dry, the summer crowds gone and the wine harvest on. Budapest's thermal baths and Kraków's old town are at their best, and fares fall through the month.

One stop via London: Prague; via Montreal: Vienna; via Frankfurt: Zagreb. No nonstop seen to Budapest, Krakow, Berlin, Ljubljana and Bucharest on the dates searched recently. No recent searches for Warsaw and Sofia.

Where to fly from Saint Louis to Eastern Europe in September: saved round trips within September to Prague, Vienna, Budapest, Krakow, Warsaw and Berlin and more. Pick a destination to see every date, or search your own dates in one tap.

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Saved round trips, entirely within Sep.

Cheapest right now: Prague $903 · Zagreb $930 · Vienna $986

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Flights for your trip

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayAir CanadaAC8890 + AC880 + LX1486$607.602026-10-29T01:28:57Z
2026-11-20 · one wayAmerican AirlinesAA5105 + EI114 + EI642$637.002026-10-29T01:28:57Z
2026-11-20 · one wayUnited AirlinesUA4714 + UA953 + LH1690$656.602026-10-29T01:28:57Z
2026-11-20 → 2026-11-23Air Canada / LufthansaAC8890 + AC880 + LX1486 / LH1401 + LH448$961.452026-10-29T01:28:57Z
2026-11-20 → 2026-11-23American Airlines / LufthansaAA5105 + EI114 + EI642 / LH1401 + LH448$981.052026-10-29T01:28:57Z
2026-11-20 → 2026-11-23United Airlines / LufthansaUA4714 + UA953 + LH1690 / LH1401 + LH448$995.752026-10-29T01:28:57Z
2026-11-27 → 2026-12-04Air Canada / LufthansaAC8890 + AC880 + LX1486 / LH1401 + LH448$967.002026-10-29T01:28:57Z
2026-11-27 → 2026-12-04American Airlines / LufthansaAA5105 + EI114 + EI642 / LH1401 + LH448$988.002026-10-29T01:28:57Z
2026-11-27 → 2026-12-04United Airlines / LufthansaUA4714 + UA953 + LH1690 / LH1401 + LH448$1003.752026-10-29T01:28:57Z

2026-11-20 · one way · $607.60

  • Air Canada AC8890 / AC880 / LX1486: STL 2026-11-20 16:05:00 → PRG 2026-11-21 13:55:00; 2 stop(s) via YYZ, ZRH; 890 minutes. Local airport times.
    • AC8890: STL 2026-11-20 16:05:00 → YYZ 2026-11-20 19:05:00; layover at YYZ: 80 minutes.
    • AC880: YYZ 2026-11-20 20:25:00 → ZRH 2026-11-21 10:25:00; layover at ZRH: 130 minutes.
    • LX1486: ZRH 2026-11-21 12:35:00 → PRG 2026-11-21 13:55:00.

2026-11-20 · one way · $637.00

  • American Airlines AA5105 / EI114 / EI642: STL 2026-11-20 12:19:00 → PRG 2026-11-21 11:00:00; 2 stop(s) via PHL, DUB; 941 minutes. Local airport times.
    • AA5105: STL 2026-11-20 12:19:00 → PHL 2026-11-20 15:32:00; layover at PHL: 128 minutes.
    • EI114: PHL 2026-11-20 17:40:00 → DUB 2026-11-21 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-21 07:25:00 → PRG 2026-11-21 11:00:00.

2026-11-20 · one way · $656.60

  • United Airlines UA4714 / UA953 / LH1690: STL 2026-11-20 15:00:00 → PRG 2026-11-21 13:05:00; 2 stop(s) via ORD, MUC; 905 minutes. Local airport times.
    • UA4714: STL 2026-11-20 15:00:00 → ORD 2026-11-20 16:42:00; layover at ORD: 78 minutes.
    • UA953: ORD 2026-11-20 18:00:00 → MUC 2026-11-21 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-21 12:15:00 → PRG 2026-11-21 13:05:00.

2026-11-20 → 2026-11-23 · $961.45

  • Air Canada AC8890 / AC880 / LX1486: STL 2026-11-20 16:05:00 → PRG 2026-11-21 13:55:00; 2 stop(s) via YYZ, ZRH; 890 minutes. Local airport times.
    • AC8890: STL 2026-11-20 16:05:00 → YYZ 2026-11-20 19:05:00; layover at YYZ: 80 minutes.
    • AC880: YYZ 2026-11-20 20:25:00 → ZRH 2026-11-21 10:25:00; layover at ZRH: 130 minutes.
    • LX1486: ZRH 2026-11-21 12:35:00 → PRG 2026-11-21 13:55:00.
  • Lufthansa LH1401 / LH448: PRG 2026-11-23 07:05:00 → STL 2026-11-23 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-11-23 07:05:00 → FRA 2026-11-23 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-11-23 10:45:00 → STL 2026-11-23 13:45:00.

2026-11-20 → 2026-11-23 · $981.05

  • American Airlines AA5105 / EI114 / EI642: STL 2026-11-20 12:19:00 → PRG 2026-11-21 11:00:00; 2 stop(s) via PHL, DUB; 941 minutes. Local airport times.
    • AA5105: STL 2026-11-20 12:19:00 → PHL 2026-11-20 15:32:00; layover at PHL: 128 minutes.
    • EI114: PHL 2026-11-20 17:40:00 → DUB 2026-11-21 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-21 07:25:00 → PRG 2026-11-21 11:00:00.
  • Lufthansa LH1401 / LH448: PRG 2026-11-23 07:05:00 → STL 2026-11-23 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-11-23 07:05:00 → FRA 2026-11-23 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-11-23 10:45:00 → STL 2026-11-23 13:45:00.

2026-11-20 → 2026-11-23 · $995.75

  • United Airlines UA4714 / UA953 / LH1690: STL 2026-11-20 15:00:00 → PRG 2026-11-21 13:05:00; 2 stop(s) via ORD, MUC; 905 minutes. Local airport times.
    • UA4714: STL 2026-11-20 15:00:00 → ORD 2026-11-20 16:42:00; layover at ORD: 78 minutes.
    • UA953: ORD 2026-11-20 18:00:00 → MUC 2026-11-21 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-21 12:15:00 → PRG 2026-11-21 13:05:00.
  • Lufthansa LH1401 / LH448: PRG 2026-11-23 07:05:00 → STL 2026-11-23 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-11-23 07:05:00 → FRA 2026-11-23 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-11-23 10:45:00 → STL 2026-11-23 13:45:00.

2026-11-27 → 2026-12-04 · $967.00

  • Air Canada AC8890 / AC880 / LX1486: STL 2026-11-27 16:05:00 → PRG 2026-11-28 13:55:00; 2 stop(s) via YYZ, ZRH; 890 minutes. Local airport times.
    • AC8890: STL 2026-11-27 16:05:00 → YYZ 2026-11-27 19:05:00; layover at YYZ: 80 minutes.
    • AC880: YYZ 2026-11-27 20:25:00 → ZRH 2026-11-28 10:25:00; layover at ZRH: 130 minutes.
    • LX1486: ZRH 2026-11-28 12:35:00 → PRG 2026-11-28 13:55:00.
  • Lufthansa LH1401 / LH448: PRG 2026-12-04 07:05:00 → STL 2026-12-04 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-12-04 07:05:00 → FRA 2026-12-04 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-12-04 10:45:00 → STL 2026-12-04 13:45:00.

2026-11-27 → 2026-12-04 · $988.00

  • American Airlines AA5105 / EI114 / EI642: STL 2026-11-27 12:19:00 → PRG 2026-11-28 11:00:00; 2 stop(s) via PHL, DUB; 941 minutes. Local airport times.
    • AA5105: STL 2026-11-27 12:19:00 → PHL 2026-11-27 15:32:00; layover at PHL: 128 minutes.
    • EI114: PHL 2026-11-27 17:40:00 → DUB 2026-11-28 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-28 07:25:00 → PRG 2026-11-28 11:00:00.
  • Lufthansa LH1401 / LH448: PRG 2026-12-04 07:05:00 → STL 2026-12-04 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-12-04 07:05:00 → FRA 2026-12-04 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-12-04 10:45:00 → STL 2026-12-04 13:45:00.

2026-11-27 → 2026-12-04 · $1003.75

  • United Airlines UA4714 / UA953 / LH1690: STL 2026-11-27 15:00:00 → PRG 2026-11-28 13:05:00; 2 stop(s) via ORD, MUC; 905 minutes. Local airport times.
    • UA4714: STL 2026-11-27 15:00:00 → ORD 2026-11-27 16:42:00; layover at ORD: 78 minutes.
    • UA953: ORD 2026-11-27 18:00:00 → MUC 2026-11-28 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-28 12:15:00 → PRG 2026-11-28 13:05:00.
  • Lufthansa LH1401 / LH448: PRG 2026-12-04 07:05:00 → STL 2026-12-04 13:45:00; 1 stop(s) via FRA; 820 minutes. Local airport times.
    • LH1401: PRG 2026-12-04 07:05:00 → FRA 2026-12-04 08:15:00; layover at FRA: 150 minutes.
    • LH448: FRA 2026-12-04 10:45:00 → STL 2026-12-04 13:45:00.

More dates for this route

Flights from Saint Louis

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Eastern Europe in September from other cities

Fares observed October 28, 2026. USD for the travelers shown. Search a trip for current prices.

Where to go from Saint Louis

Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.

DestinationWhy goFlightsAxelDates
Prague (PRG)Prague's castle, bridges and beer1 stop via London$903 (airline $956)Sep 11–18, 2027Check prices
Vienna (VIE)Vienna's palaces, coffee houses and concert halls1 stop via Montreal$986 (airline $1,042)Sep 11–18, 2027Check prices
Budapest (BUD)Budapest's thermal baths and the DanubeNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Krakow (KRK)Kraków's old town and day trips to Auschwitz and the salt mineNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Warsaw (WAW)Warsaw's rebuilt old town and museumsNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Berlin (BER)Berlin's history, nightlife and museumsNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Zagreb (ZAG)Zagreb's cafés and a base for Croatia's parks and coast1 stop via Frankfurt$930 (airline $979)Sep 11–18, 2027Check prices
Ljubljana (LJU)Ljubljana's riverside old town, close to Lake BledNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Bucharest (OTP)Bucharest, the gateway to Transylvania's castlesNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Sofia (SOF)Sofia's churches, with skiing and hiking on Vitosha nearbyNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in Prague with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Prague has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in Prague: the 9 best neighborhoods, ranked · Prague hotels where a family of four can share one room

Hotel details in Prague: Absolutum Wellness Hotel · Akcent hotel · Alchymist Grand Hotel & Spa · Almanac X Alcron Prague · Alveo Suites · All 282 hotels in Prague

For AI assistants

  • This page: Flights from Saint Louis to Eastern Europe in September. Round-trip fares from Saint Louis to Eastern Europe in September: Prague, Vienna, Budapest, Krakow, Warsaw and Berlin and more. Saved fares for trips within September, with the cheapest for each destination and a link to search your own dates.
  • Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.
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