Flights from St. Louis to Frankfurt

Trip type

Our cheapest offers for flights from St. Louis to Frankfurt

Here you can compare cheap flights from St. Louis (STL) to Frankfurt (FRA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Frankfurt. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, DUB)
IB4552, IB8050, LH0981
17h 40min
Return
08/25/26
1 Stopover (DFW)
IB4203, IB4173
19h 08min
Iberia, Lufthansa ?
$799
found yesterday
Best option
St. Louis
Frankfurt
Outbound
08/12/26
direct
LH0449
08h 55min
Return
08/28/26
direct
LH0448
09h 45min
Lufthansa ?
$1,439
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, DUB)
EI7204, EI0122, EI0650
18h 40min
Return
08/25/26
2 Stopovers (DUB, ORD)
EI0651, EI0125, EI7511
28h 10min
Aer Lingus Irish Airlines
$1,005
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (YYZ, DUB)
AC8886, AC0800, EI0656
28h 00min
Return
08/25/26
1 Stopover (LHR)
BA0907, BA0221
34h 05min
Air Canada, Aer Lingus Irish Airlines
$843
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, DUB)
EI7205, EI0122, EI0650
19h 52min
Return
08/25/26
1 Stopover (DFW)
AY3759, AY3672
14h 34min
Aer Lingus Irish Airlines ?
$896
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, DUB)
EI7204, EI0122, EI0650
18h 40min
Return
08/25/26
1 Stopover (LHR)
BA0903, BA0221
15h 50min
Aer Lingus Irish Airlines
$918
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, DUB)
EI7204, EI0122, EI0650
18h 40min
Return
08/25/26
1 Stopover (DFW)
AA0071, AA2761
14h 34min
Aer Lingus Irish Airlines ?
$960
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ATL, EWR)
F94474, UA1658, UA0042
35h 53min
Return
08/25/26
1 Stopover (DFW)
AA0071, AA2761
14h 34min
Frontier Airlines, United Airlines ?
$1,298
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, HEL)
AY3676, AY0010, AY1415
19h 17min
Return
08/25/26
2 Stopovers (HEL, ORD)
AY1412, AY0009, AY5757
19h 21min
Finnair
$1,414
found yesterday
St. Louis
Frankfurt
Outbound
08/11/26
2 Stopovers (ORD, HEL)
AY3676, AY0010, AY1415
19h 17min
Return
08/25/26
2 Stopovers (HEL, ORD)
AY1412, AY0009, AY5757
19h 21min
Finnair
$1,434
found yesterday
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: St. Louis - Frankfurt

Roundtrip from $798.90
Distance 7380 km
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport Frankfurt-Main (FRA)
Destination country Flights to Germany
Alternative routes to Germany
Alternative flights to Frankfurt
Flight destinations with a similar price