FRA - STL

£380 Find Cheap Flights from Frankfurt am Main to St. Louis – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£574
Typical prices: £583-£786
British Airways
Sat 1/12Sat 8/12
FRA - STL • 1 stop
Cheapest direct flights
£603
Typical prices: £609-£825
United Airlines
Thu 1/11Thu 15/11
FRA - STL • Direct
Direct flights
You can fly direct with Lufthansa. Average duration is 9h 57m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 21 weeks in advance save around 15% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £582 (return)
Shortest trip • 12h 09m (one-way)
Insights
Insights
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We hope you enjoy your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Frankfurt am Main to St. Louis (FRA-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Frankfurt am Main to St. Louis

Tue, 1 Dec - Tue, 8 Dec
British Airways Logo
10:15 - 23:35FRA  Frankfurt am Main-STL Lambert-St Louis
20h 20m1 stop Dallas/Fort Worth
British Airways Logo
17:38 - 19:40STL  Lambert-St Louis-FRA Frankfurt am Main
19h 02m2 stops Chicago O'Hare Intl London Heathrow
£574British Airways
Sun, 15 Nov - Sun, 22 Nov
British Airways Logo
10:15 - 21:59FRA  Frankfurt am Main-STL Lambert-St Louis
18h 44m1 stop Dallas/Fort Worth
British Airways Logo
17:29 - 16:55STL  Lambert-St Louis-FRA Frankfurt am Main
16h 26m2 stops Chicago O'Hare Intl London Heathrow
£577British Airways
Sat, 5 Dec - Tue, 19 Jan
British Airways Logo
10:50 - 22:42FRA  Frankfurt am Main-STL Lambert-St Louis
18h 52m1 stop Charlotte Douglas
British Airways Logo
12:55 - 14:10STL  Lambert-St Louis-FRA Frankfurt am Main
18h 15m2 stops Philadelphia London Heathrow
£579British Airways
Tue, 1 Dec - Tue, 8 Dec
British Airways Logo
10:15 - 21:59FRA  Frankfurt am Main-STL Lambert-St Louis
18h 44m1 stop Dallas/Fort Worth
British Airways Logo
14:54 - 07:15STL  Lambert-St Louis-FRA Frankfurt am Main
33h 21m1 stop Dallas/Fort Worth
£579British Airways
Fri, 30 Oct - Fri, 13 Nov
British Airways Logo
10:15 - 09:18FRA  Frankfurt am Main-STL Lambert-St Louis
29h 03m1 stop Dallas/Fort Worth
British Airways Logo
16:26 - 15:40STL  Lambert-St Louis-FRA Frankfurt am Main
16h 14m2 stops Charlotte Douglas London Heathrow
£580British Airways
Mon, 2 Nov - Mon, 30 Nov
British Airways Logo
10:15 - 09:30FRA  Frankfurt am Main-STL Lambert-St Louis
30h 15m1 stop Dallas/Fort Worth
British Airways Logo
14:48 - 07:15STL  Lambert-St Louis-FRA Frankfurt am Main
33h 27m1 stop Dallas/Fort Worth
£581British Airways
Mon, 2 Nov - Mon, 30 Nov
British Airways Logo
10:15 - 21:59FRA  Frankfurt am Main-STL Lambert-St Louis
18h 44m1 stop Dallas/Fort Worth
British Airways Logo
08:47 - 07:15STL  Lambert-St Louis-FRA Frankfurt am Main
15h 28m1 stop Dallas/Fort Worth
£582British Airways
Tue, 1 Dec - Tue, 8 Dec
British Airways Logo
11:25 - 22:14FRA  Frankfurt am Main-STL Lambert-St Louis
17h 49m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
17:38 - 19:40STL  Lambert-St Louis-FRA Frankfurt am Main
19h 02m2 stops Chicago O'Hare Intl London Heathrow
£583British Airways
Fri, 30 Oct - Fri, 13 Nov
British Airways Logo
10:15 - 09:18FRA  Frankfurt am Main-STL Lambert-St Louis
29h 03m1 stop Dallas/Fort Worth
British Airways Logo
06:00 - 07:15STL  Lambert-St Louis-FRA Frankfurt am Main
18h 15m1 stop Dallas/Fort Worth
£585British Airways
Mon, 16 Nov - Mon, 23 Nov
British Airways Logo
11:35 - 22:15FRA  Frankfurt am Main-STL Lambert-St Louis
17h 40m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
14:48 - 18:10STL  Lambert-St Louis-FRA Frankfurt am Main
20h 22m2 stops Dallas/Fort Worth London Heathrow
£586British Airways
Booking Insights

Price, demand, and travel trends for Frankfurt am Main Airport to St. Louis flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Frankfurt am Main Airport to St. Louis?

Return flights from Frankfurt am Main Airport to St. Louis typically range from £583 to £786. The lowest price found in the past 5 days was £574 on British Airways.

What's the cheapest day of the week to fly from Frankfurt am Main Airport to St. Louis?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Frankfurt am Main Airport to St. Louis. It’s 21% cheaper than the average day, while Tuesday is the most expensive, with prices 3% higher.

What is the cheapest month to fly from Frankfurt am Main Airport to St. Louis?

•January is the cheapest month to fly from Frankfurt am Main Airport to St. Louis at £603 return.
•June (£725) and March (£721) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 20% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Frankfurt am Main Airport to St. Louis the cheapest?

Flights from Frankfurt am Main Airport to St. Louis are cheapest 21 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Frankfurt am Main Airport to St. Louis flights

Low season

October

Cheapest flight

£376
Beat the crowds with an average 37% drop in traveller numbers.
The most popular month to fly with an average 31% increase in traveller numbers.
One-way flight from Frankfurt am Main Airport to St. Louis

When to book flights from Frankfurt am Main to St. Louis

Are your dates flexible? Find out the best times to travel from Frankfurt am Main to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Frankfurt am Main Airport to St. Louis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Frankfurt am Main Airport to St. Louis?

    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 20:37
    • Latest: departs at 10:45 and lands at 20:42.

    The flight takes about 9h 57m.

  • How long is a flight from Frankfurt am Main Airport to St. Louis?

    A direct flight from Frankfurt am Main Airport to St. Louis takes 9h 57m, covering 4,577 miles.

  • Do I need a passport to fly from Frankfurt am Main Airport to St. Louis?

    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.

  • How much should I expect to pay for a Frankfurt am Main Airport to St. Louis flight?

    Return flights from Frankfurt am Main Airport to St. Louis range from £583 to £786, with an average of £667 over the past 12 months. Anything below £583 counts as a good deal.

  • How expensive are last-minute Frankfurt am Main Airport to St. Louis flights?

    Last-minute fares on this route (booked within two weeks of departure) run 4% above the £667 route average. Book 21 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Frankfurt am Main Airport to St. Louis?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £582 return via Dallas/Fort Worth (DFW), compared with £700 for direct.

  • What is the standard checked bag allowance on flights from Frankfurt am Main Airport to St. Louis?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £70–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Frankfurt am Main Airport to St. Louis?

    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.

  • Which airlines offer Wi-Fi on Frankfurt am Main Airport to St. Louis flights?

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

    • Lufthansa
    • United Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

  • How are flight prices from Frankfurt am Main Airport to St. Louis looking right now?

    One-way fares from Frankfurt am Main Airport to St. Louis are currently lower than usual. Average one-way flight prices are about £444, which is 20% below the typical average for this route.

  • Which car hire options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car hire companies, with daily rates starting from around £23 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Frankfurt am Main Airport to 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).

  • Which airports do connecting flights from Frankfurt am Main Airport to St. Louis pass through?

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

    • Chicago O'Hare Intl (ORD) – 42% of one-stop connections
    • Charlotte Douglas (CLT) – 17% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 11% of one-stop connections
    • Dallas/Fort Worth (DFW) – 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Frankfurt am Main Airport to St. Louis?

    Yes. Flexible dates can save you up to 24% on flights from Frankfurt am Main Airport to St. Louis. Thursday is the cheapest departure day at £530 return on average, while Tuesday is the most expensive at £691, a difference of £161.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Frankfurt am Main Airport to St. Louis?

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

  • How much time can I save by choosing a different stopover airport from Frankfurt am Main Airport to St. Louis?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time of 12h 09m, compared to 12h 47m via Washington, D.C. Dulles Intl (IAD) and 13h 18m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • What is the time difference between Frankfurt am Main Airport and St. Louis?

    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.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are St. Louis Union Station, Gateway Arch, and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Frankfurt am Main Airport to St. Louis flights?

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

    • Lufthansa: offers extra legroom
    • United Airlines: offers extra legroom; offers free seat selection

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

  • Which airlines include bags at no extra cost on Frankfurt am Main Airport to St. Louis flights?

    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

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

Your guide to booking Frankfurt am Main Airport to St. Louis flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average £530, about £161 less than Tuesday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 15% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Frankfurt am Main Airport to St. Louis trip for January. Fares historically average £603 return in that month – typically £122 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Dallas/Fort Worth Airport (DFW) can be cheaper than flying direct. The cheapest stopover option averages £582 return on this route – about £118 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

    • Renaissance St. Louis Airport Hotel
    • Drury Inn & Suites St. Louis Airport
    • DoubleTree by Hilton St. Louis Airport

Prefer to fly direct from Frankfurt am Main to St. Louis?

 
Find which airlines fly direct from Frankfurt am Main Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Frankfurt am Main to Lambert-St Louis

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Direct returns

Lambert-St Louis to Frankfurt am Main

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

More options for your flight from Frankfurt am Main to St. Louis

Complete your trip to St. Louis with a hotel stay or car hire