FRA - STL

$509 Find Cheap Flights from Frankfurt am Main to St. Louis - Compare and Save

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Everything you should know

Cheapest round-trip
$747
Typical prices: $753-$1,075
British Airways
Thu 2/1Mon 2/26
FRA - STL • 1 stop
Cheapest non-stop
$774
Typical prices: $822-$1,132
Lufthansa
Fri 10/12Tue 10/23
FRA - STL • Non-stop
Nonstop flights
You can fly direct with Lufthansa. Average duration is 9h 51m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $731 (round-trip)
Shortest trip • 12h 09m (one-way)
Insights
Insights
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Expert advice
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 round-trip flight deals from Frankfurt am Main to St. Louis

Mon, Feb 1 - Fri, Feb 26
British Airways Logo
10:15 am - 11:33 pmFRA  Frankfurt am Main-STL Lambert-St Louis
20h 18m1 stop Dallas/Fort Worth
British Airways Logo
1:06 pm - 3:40 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
19h 34m2 stops Chicago O'Hare Intl London Heathrow
$747British Airways
Mon, Feb 1 - Fri, Feb 26
British Airways Logo
10:15 am - 8:19 pmFRA  Frankfurt am Main-STL Lambert-St Louis
17h 04m1 stop Dallas/Fort Worth
British Airways Logo
1:36 pm - 3:40 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
19h 04m2 stops Charlotte Douglas London Heathrow
$747British Airways
Wed, Nov 25 - Mon, Dec 7
British Airways Logo
10:15 am - 8:17 pmFRA  Frankfurt am Main-STL Lambert-St Louis
17h 02m1 stop Dallas/Fort Worth
British Airways Logo
9:50 am - 10:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
17h 40m2 stops Boston Logan Intl London Heathrow
$747British Airways
Fri, Feb 5 - Mon, Feb 8
British Airways Logo
10:50 am - 10:06 pmFRA  Frankfurt am Main-STL Lambert-St Louis
18h 16m1 stop Charlotte Douglas
British Airways Logo
3:43 pm - 3:30 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
16h 47m2 stops Dallas/Fort Worth London Heathrow
$752British Airways
Mon, Oct 12 - Fri, Oct 23
Lufthansa Logo
10:40 am - 1:25 pmFRA  Frankfurt am Main-STL Lambert-St Louis
9h 45mnonstop
Lufthansa Logo
3:30 pm - 7:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 55mnonstop
$774Lufthansa
Mon, Oct 5 - Mon, Oct 12
Lufthansa Logo
10:40 am - 1:25 pmFRA  Frankfurt am Main-STL Lambert-St Louis
9h 45mnonstop
Lufthansa Logo
3:30 pm - 7:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 55mnonstop
$781Lufthansa
Mon, Sep 21 - Sun, Oct 4
Lufthansa Logo
10:40 am - 1:25 pmFRA  Frankfurt am Main-STL Lambert-St Louis
9h 45mnonstop
Lufthansa Logo
3:30 pm - 7:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 55mnonstop
$781Lufthansa
Fri, Nov 20 - Sun, Dec 13
United Airlines Logo
9:45 am - 3:43 pmFRA  Frankfurt am Main-STL Lambert-St Louis
36h 58m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
United Airlines Logo
6:00 am - 9:10 amSTL  Lambert-St Louis-FRA Frankfurt am Main
20h 10m1 stop Newark
$799United Airlines
Fri, Nov 20 - Sun, Dec 13
United Airlines Logo
9:45 am - 10:37 amFRA  Frankfurt am Main-STL Lambert-St Louis
31h 52m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
United Airlines Logo
6:00 am - 9:10 amSTL  Lambert-St Louis-FRA Frankfurt am Main
20h 10m1 stop Newark
$800United Airlines
Fri, Nov 20 - Sun, Dec 13
United Airlines Logo
9:45 am - 10:54 pmFRA  Frankfurt am Main-STL Lambert-St Louis
44h 09m2 stops Montreal Pierre Elliott Trudeau Intl Newark
United Airlines Logo
6:00 am - 9:10 amSTL  Lambert-St Louis-FRA Frankfurt am Main
20h 10m1 stop Newark
$800United Airlines
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 from Frankfurt am Main Airport to St. Louis with more confidence.

How much is a round-trip flight from Frankfurt am Main Airport to St. Louis?

Round-trip flights from Frankfurt am Main Airport to St. Louis start at $747. Prices are below average for this route right now, with typical round-trip fares ranging from $753 to $1,075. The lowest price found in the past 5 days was $747 on British Airways.

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

Thursday is the cheapest day of the week to fly from Frankfurt am Main Airport to St. Louis, it is 21% cheaper than the average day. Tuesday is the most expensive day with flight prices 8% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • October is the cheapest month to fly from Frankfurt am Main Airport to St. Louis at $764 round-trip.
  • September ($1,267) and June ($961) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 20% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Frankfurt am Main to St. Louis

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Duncan Madden

Duncan Madden

Expert on FRA

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

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

Low season

May

Cheapest flight

$497
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 6% increase in price.
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 round-trip price

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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:

    • United Airlines: offers free seat selection

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

  • What airlines are available from Frankfurt am Main Airport to St. Louis?

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

  • 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 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

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

  • What cabin classes can I book on flights from Frankfurt am Main Airport to St. Louis?

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $731 round-trip via Dallas/Fort Worth (DFW), compared to $936 for nonstop.

  • 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 $100–$100 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 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) - 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.

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

    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 $703 round-trip on average, while Tuesday is the most expensive at $961, a difference of $258. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Frankfurt am Main Airport to St. Louis spread across the day?

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

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

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

  • 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 am and lands at 8:31 pm
    • Latest: departs at 10:45 am and lands at 8:36 pm.

    The flight takes about 9h 51m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 11% above the route average of $883. Book 21 weeks before departure for the lowest fares.

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

    A nonstop flight from Frankfurt am Main Airport to St. Louis takes 9h 51m, 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 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 higher than usual. Average one-way flight prices are about $973, which is 33% above the typical average for this route.

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

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

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

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    · Hertz
    · Budget
    · Alamo
    · Enterprise Rent-A-Car
    · Payless

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

    Round-trip flights from Frankfurt am Main Airport to St. Louis range from $753 to $1,075, with an average of $883 over the past 12 months. Anything below $753 counts as a good deal.

  • 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 program; others are paid add-ons priced by flight length.

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 can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $703 - about $258 less than Tuesday (27% 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 20% 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 October. Fares historically average $764 round-trip in that month - typically $503 less than the most expensive month, which is September (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 layover option averages $731 round-trip on this route - about $205 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.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - MainStay Suites 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

Monday

Lufthansa

Lufthansa

Tuesday

Lufthansa

Lufthansa

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Direct returns

Lambert-St Louis to Frankfurt am Main

Monday

Lufthansa

Lufthansa

Tuesday

Lufthansa

Lufthansa

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 rental