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Saint Louis → Frankfurt

Dec 21, 2026 · return Dec 23, 2026

STL → FRA1 adulteconomyRound trip

7 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Wed, Dec 23

Lufthansa
3:40 pmSTL
8h 50m
Nonstop
7:30 am+1FRA
Lufthansa
10:45 amFRA
10h
Nonstop
1:45 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Wed, Dec 23

United Airlines
11:05 amSTL
13h 15m
EWR · 3h 29m
7:20 am+1FRA
United Airlines
8:40 amFRA
13h 1m
ORD · 2h 5m
2:41 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Delta Air Lines
2:17 pmSTL
11h 23m
DTW · 1h 37m
8:40 am+1FRA
Delta Air Lines
9:50 amFRA
14h 16m
JFK · 2h 20m
5:06 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Air Canada
4:05 pmSTL
12h 5m
YYZ · 2h 20m
11:10 am+1FRA
Lufthansa
10:45 amFRA
10h
Nonstop
1:45 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

American Airlines
12:54 pmSTL
12h 56m
CLT · 2h 43m
8:50 am+1FRA
Lufthansa
10:45 amFRA
10h
Nonstop
1:45 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

United Airlines
6:55 pmSTL
11h 50m
ORD · 2h 10m
1:45 pm+1FRA
United Airlines
8:40 amFRA
13h 1m
ORD · 2h 5m
2:41 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

United Airlines
1:23 pmSTL
11h 17m
IAD · 1h 27m
7:40 am+1FRA
United Airlines
8:40 amFRA
13h 1m
ORD · 2h 5m
2:41 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ FRA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Lufthansa emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

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)
2026-12-21 → 2026-12-23LufthansaLH449 / LH448$1150.002026-10-29T01:28:31Z
2026-12-21 → 2026-12-23United AirlinesUA2612 + LH403 / UA945 + UA4619$1050.002026-10-29T01:28:31Z
2026-12-21 → 2026-12-23Delta Air LinesDL1371 + DL86 / DL107 + DL4715$1062.502026-10-29T01:28:31Z
2026-12-21 → 2026-12-23Air Canada / LufthansaAC8890 + AC842 / LH448$1068.752026-10-29T01:28:31Z
2026-12-21 → 2026-12-23American Airlines / LufthansaAA2486 + AA704 / LH448$1087.502026-10-29T01:28:31Z
2026-12-21 → 2026-12-23United AirlinesUA4397 + LH433 / UA945 + UA4619$1050.002026-10-29T01:28:31Z
2026-12-21 → 2026-12-23United AirlinesUA3495 + LH419 / UA945 + UA4619$1050.002026-10-29T01:28:31Z

2026-12-21 → 2026-12-23 · $1150.00

  • Lufthansa LH449: STL 2026-12-21 15:40:00 → FRA 2026-12-22 07:30:00; nonstop; 530 minutes. Local airport times.
  • Lufthansa LH448: FRA 2026-12-23 10:45:00 → STL 2026-12-23 13:45:00; nonstop; 600 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $1050.00

  • United Airlines UA2612 / LH403: STL 2026-12-21 11:05:00 → FRA 2026-12-22 07:20:00; 1 stop(s) via EWR; 795 minutes. Local airport times.
    • UA2612: STL 2026-12-21 11:05:00 → EWR 2026-12-21 14:31:00; layover at EWR: 209 minutes.
    • LH403: EWR 2026-12-21 18:00:00 → FRA 2026-12-22 07:20:00.
  • United Airlines UA945 / UA4619: FRA 2026-12-23 08:40:00 → STL 2026-12-23 14:41:00; 1 stop(s) via ORD; 781 minutes. Local airport times.
    • UA945: FRA 2026-12-23 08:40:00 → ORD 2026-12-23 11:05:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-12-23 13:10:00 → STL 2026-12-23 14:41:00.

2026-12-21 → 2026-12-23 · $1062.50

  • Delta Air Lines DL1371 / DL86: STL 2026-12-21 14:17:00 → FRA 2026-12-22 08:40:00; 1 stop(s) via DTW; 683 minutes. Local airport times.
    • DL1371: STL 2026-12-21 14:17:00 → DTW 2026-12-21 16:53:00; layover at DTW: 97 minutes.
    • DL86: DTW 2026-12-21 18:30:00 → FRA 2026-12-22 08:40:00.
  • Delta Air Lines DL107 / DL4715: FRA 2026-12-23 09:50:00 → STL 2026-12-23 17:06:00; 1 stop(s) via JFK; 856 minutes. Local airport times.
    • DL107: FRA 2026-12-23 09:50:00 → JFK 2026-12-23 12:50:00; layover at JFK: 140 minutes.
    • DL4715: JFK 2026-12-23 15:10:00 → STL 2026-12-23 17:06:00.

2026-12-21 → 2026-12-23 · $1068.75

  • Air Canada AC8890 / AC842: STL 2026-12-21 16:05:00 → FRA 2026-12-22 11:10:00; 1 stop(s) via YYZ; 725 minutes. Local airport times.
    • AC8890: STL 2026-12-21 16:05:00 → YYZ 2026-12-21 19:05:00; layover at YYZ: 140 minutes.
    • AC842: YYZ 2026-12-21 21:25:00 → FRA 2026-12-22 11:10:00.
  • Lufthansa LH448: FRA 2026-12-23 10:45:00 → STL 2026-12-23 13:45:00; nonstop; 600 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $1087.50

  • American Airlines AA2486 / AA704: STL 2026-12-21 12:54:00 → FRA 2026-12-22 08:50:00; 1 stop(s) via CLT; 776 minutes. Local airport times.
    • AA2486: STL 2026-12-21 12:54:00 → CLT 2026-12-21 15:42:00; layover at CLT: 163 minutes.
    • AA704: CLT 2026-12-21 18:25:00 → FRA 2026-12-22 08:50:00.
  • Lufthansa LH448: FRA 2026-12-23 10:45:00 → STL 2026-12-23 13:45:00; nonstop; 600 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $1050.00

  • United Airlines UA4397 / LH433: STL 2026-12-21 18:55:00 → FRA 2026-12-22 13:45:00; 1 stop(s) via ORD; 710 minutes. Local airport times.
    • UA4397: STL 2026-12-21 18:55:00 → ORD 2026-12-21 20:25:00; layover at ORD: 130 minutes.
    • LH433: ORD 2026-12-21 22:35:00 → FRA 2026-12-22 13:45:00.
  • United Airlines UA945 / UA4619: FRA 2026-12-23 08:40:00 → STL 2026-12-23 14:41:00; 1 stop(s) via ORD; 781 minutes. Local airport times.
    • UA945: FRA 2026-12-23 08:40:00 → ORD 2026-12-23 11:05:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-12-23 13:10:00 → STL 2026-12-23 14:41:00.

2026-12-21 → 2026-12-23 · $1050.00

  • United Airlines UA3495 / LH419: STL 2026-12-21 13:23:00 → FRA 2026-12-22 07:40:00; 1 stop(s) via IAD; 677 minutes. Local airport times.
    • UA3495: STL 2026-12-21 13:23:00 → IAD 2026-12-21 16:33:00; layover at IAD: 87 minutes.
    • LH419: IAD 2026-12-21 18:00:00 → FRA 2026-12-22 07:40:00.
  • United Airlines UA945 / UA4619: FRA 2026-12-23 08:40:00 → STL 2026-12-23 14:41:00; 1 stop(s) via ORD; 781 minutes. Local airport times.
    • UA945: FRA 2026-12-23 08:40:00 → ORD 2026-12-23 11:05:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-12-23 13:10:00 → STL 2026-12-23 14:41:00.

More dates for this route