Cheapest return flights from St. Louis to Frankfurt in January from 586€

AirHint found the following cheapest return flights from St. Louis (STL) to Frankfurt (FRA) in January 2026 (see full year).

Return flights

21 Jan - 28 Jan Frontier Airlines
26 Jan - 04 Feb Frontier Airlines
09 Jan - 23 Jan Frontier Airlines
02 Jan - 19 Jan Southern Airways Express
04 Jan - 21 Jan Aer Lingus
28 Jan - 04 Feb Lufthansa
30 Jan - 06 Feb Lufthansa
26 Jan - 02 Feb Lufthansa
24 Jan - 31 Jan Lufthansa
21 Jan - 28 Jan Lufthansa direct
20 Jan - 27 Jan Lufthansa
09 Jan - 23 Jan Lufthansa direct
16 Jan - 23 Jan Lufthansa direct
18 Jan - 25 Jan Lufthansa direct

Also check the deals for one-way flights from St. Louis to Frankfurt in January.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Feel free to contact us with any feedback or request another flight research.