428€ Find Cheap Flights from Frankfurt am Main to St. Louis – Compare and Save

Among airlines operating Frankfurt am Main Airport to St. Louis flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Lufthansa operates flights between Frankfurt am Main Airport and St. Louis.

Flights from Frankfurt am Main Airport to St. Louis usually depart from Frankfurt am Main (FRA) and arrive at Lambert-St Louis (STL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Lufthansa: a cabin bag and a checked bag in Economy class
• United Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Three cabin classes are available on flights from Frankfurt am Main Airport to St. Louis:

• Economy class
• Premium Economy Class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average 630 € return via Dallas/Fort Worth (DFW), compared with 807 € for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge 86 €–86 € for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A330-300 family is used most often on this route, operated mainly by Lufthansa and United Airlines. Other aircraft seen on the route include De Havilland (Bombardier) DHC-8-400 Dash 8Q variants.

One-stop flights from Frankfurt am Main Airport to St. Louis most commonly connect through:

• Chicago O'Hare Intl (ORD) – 48% of one-stop connections
• Charlotte Douglas (CLT) – 13% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 12% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) – 11% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 27% on the Frankfurt am Main Airport to St. Louis route. Thursday is the cheapest departure day at 606 € return on average, while Tuesday is the most expensive at 828 €, a difference of 222 €. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Frankfurt am Main Airport to St. Louis flights, with 100% leaving in that window. Afternoon departures account for 0%, Evening flights for 0%, and Night flights for 0%.

These are the earliest and latest flight times available from Frankfurt am Main Airport to St. Louis:

• Earliest: departs at 10:40 and lands at 20:31
• Latest: departs at 10:45 and lands at 20:36.

The flight takes about 9h 51m.

Last-minute fares on this route (booked within 2 weeks of departure) run 11% above the route average of 761 €. Book 21 weeks before departure for the lowest fares.

A direct flight from Frankfurt am Main Airport to St. Louis takes 9h 51m, covering 11.855 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Frankfurt am Main Airport to St. Louis are currently higher than usual. Average one-way flight prices are about 676 €, which is 7% above the typical average for this route.

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time of 12h 09m, compared to 12h 39m via Detroit Metropolitan Wayne County (DTW) and 12h 53m via Washington, D.C. Dulles Intl (IAD).

St. Louis is 7 hours behind Frankfurt am Main Airport (Central Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car hire companies, with daily rates starting from around 26 € for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Return flights from Frankfurt am Main Airport to St. Louis range from 649 € to 926 €, with an average of 761 € over the past 12 months. Anything below 649 € counts as a good deal.

Two airlines offer in-flight Wi-Fi on Frankfurt am Main Airport to St. Louis flights:

• • Lufthansa
• • United Airlines