STL - FRA

$452 Find Cheap Flights from St. Louis to Frankfurt am Main - Compare and Save

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Everything you should know

Cheapest round-trip
$897
Typical prices: $1,068-$1,504
United Airlines
Sat 12/1Sat 12/8
STL - FRA • 2 stops
Cheapest non-stop
$906
Typical prices: $1,138-$1,572
Lufthansa
Tue 11/27Tue 12/11
STL - FRA • Non-stop
Nonstop flights
You can fly direct with Lufthansa. Average duration is 8h 50m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $926 (round-trip)
Shortest trip • 12h 18m (one-way)
Insights
Insights
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We hope you love your trip to Frankfurt am Main Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

Recent round-trip flight deals from St. Louis to Frankfurt am Main

Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
1:17 pm - 12:05 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
15h 48m2 stops Washington, D.C. Dulles Intl London Heathrow
United Airlines Logo
5:10 pm - 2:41 pmFRA  Frankfurt am Main-STL Lambert-St Louis
28h 31m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$897United Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
4:05 pm - 11:10 amSTL  Lambert-St Louis-FRA Frankfurt am Main
12h 05m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:10 pm - 3:26 pmFRA  Frankfurt am Main-STL Lambert-St Louis
29h 16m1 stop Toronto Pearson Intl
$900Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
1:17 pm - 7:40 amSTL  Lambert-St Louis-FRA Frankfurt am Main
11h 23m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 4:24 pmFRA  Frankfurt am Main-STL Lambert-St Louis
37h 39m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$901United Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
1:17 pm - 7:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
11h 08m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 10:15 pmFRA  Frankfurt am Main-STL Lambert-St Louis
43h 30m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$901United Airlines
Tue, Dec 1 - Tue, Dec 8
Air Canada Logo
4:05 pm - 11:10 amSTL  Lambert-St Louis-FRA Frankfurt am Main
12h 05m1 stop Toronto Pearson Intl
Air Canada Logo
9:45 am - 2:41 pmFRA  Frankfurt am Main-STL Lambert-St Louis
35h 56m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$904Air Canada
Fri, Nov 27 - Fri, Dec 11
Lufthansa Logo
3:40 pm - 7:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 50mnonstop
Lufthansa Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
$906Lufthansa
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
4:05 pm - 4:05 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
17h 00m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
9:15 am - 3:26 pmFRA  Frankfurt am Main-STL Lambert-St Louis
37h 11m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$906Multiple Airlines
Wed, Nov 25 - Wed, Dec 9
Lufthansa Logo
3:40 pm - 7:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 50mnonstop
Lufthansa Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
$913Lufthansa
Fri, Nov 27 - Fri, Dec 11
British Airways Logo
4:25 pm - 8:50 amSTL  Lambert-St Louis-FRA Frankfurt am Main
33h 25m1 stop Charlotte Douglas
British Airways Logo
10:50 am - 7:30 pmFRA  Frankfurt am Main-STL Lambert-St Louis
15h 40m1 stop Charlotte Douglas
$955British Airways
Fri, Nov 27 - Fri, Dec 11
British Airways Logo
8:47 am - 7:15 amSTL  Lambert-St Louis-FRA Frankfurt am Main
15h 28m1 stop Dallas/Fort Worth
British Airways Logo
11:35 am - 10:17 pmFRA  Frankfurt am Main-STL Lambert-St Louis
17h 42m2 stops London Heathrow Chicago O'Hare Intl
$986British Airways
Booking Insights

Price, demand and travel trends for St. Louis to Frankfurt am Main Airport 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 round-trip flight from St. Louis to Frankfurt am Main Airport?

Round-trip flights from St. Louis to Frankfurt am Main Airport typically range from $1,068 to $1,504. The lowest price found in the past 5 days was $897, on United Airlines.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Frankfurt am Main Airport. It’s 11% cheaper than the average day, while Saturday is the most expensive, with prices 9% higher.

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

•March is the cheapest month to fly from St. Louis to Frankfurt am Main Airport at $919 round-trip.
•June ($1,569) and July ($1,417) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from St. Louis to Frankfurt am Main Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 31% 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 St. Louis to Frankfurt am Main

 
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 St. Louis to Frankfurt am Main Airport flights

Low season

February

Cheapest flight

$452
Beat the crowds with an average 60% drop in travelers.
The most popular month to fly with an average 39% increase in travelers.
One-way flight from St. Louis to Frankfurt am Main Airport

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

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

Your St. Louis to Frankfurt am Main Airport 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 St. Louis to Frankfurt am Main Airport?

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

    • Earliest: departs at 3:40 pm and lands at 12:30 am
    • Latest: departs at 4:40 pm and lands at 1:30 am.

    The flight takes about 8h 50m.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    A nonstop flight from St. Louis to Frankfurt am Main Airport takes 8h 50m, covering 4,577 miles.

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

    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 St. Louis to Frankfurt am Main Airport flight?

    Round-trip flights from St. Louis to Frankfurt am Main Airport range from $1,068 to $1,504, with an average of $1,262 over the past 12 months. Anything below $1,068 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 17% above the $1,262 route average. Book 15 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $926 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $1,346 for nonstop.

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

    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 St. Louis to Frankfurt am Main Airport?

    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 Airbus A340-300 variants.

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

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

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

    One-way fares from St. Louis to Frankfurt am Main Airport are currently in line with typical prices for this route. Average one-way fares are about $701.

  • What car rental options are available at Frankfurt am Main Airport (FRA)?

    Frankfurt am Main Airport (FRA) hosts 5 major car rental companies, with daily rates averaging $48 for economy cars. Top options include:

    • Wheego
    • Alamo
    • Europcar
    • Enterprise Rent-A-Car
    • Hertz

  • Which airports can I use when flying from St. Louis to Frankfurt am Main Airport?

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

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

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

    • Boston Logan Intl (BOS) - 60% of one-stop connections
    • Charlotte Douglas (CLT) - 15% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 9% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 19% on flights from St. Louis to Frankfurt am Main Airport. Thursday is the cheapest departure day at $1,128 round-trip on average, while Saturday is the most expensive at $1,382, a difference of $254.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 12h 18m, compared with 13h 12m via Charlotte Douglas (CLT) and 13h 21m via Detroit Metropolitan Wayne County (DTW).

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

    Frankfurt am Main Airport is 6 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Frankfurt am Main Airport?

    Some of the most popular sights in Frankfurt am Main Airport are Römerberg, Oper Frankfurt and Konstablerwache. These are among the most viewed places in Frankfurt am Main Airport on KAYAK.

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

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

    • Lufthansa: offers extra legroom
    • United Airlines: 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 St. Louis to Frankfurt am Main Airport 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 always check the fare details before booking.

  • Can I request special seating based on my needs?

    American Airlines does its best to secure appropriate spots for special needs passengers who require service animals on board, have immobile legs, cannot move over fixed armrests, or those with medical assistants. Plan your seating reservations when booking a flight to secure two adjacent seats for the same price.

  • If my flight has two stopovers, can I upgrade for each segment?

    To upgrade with Air Canada, you can bid on it. Suppose your flight takes the STL-ORD-YYZ-FRA route. Upgrade each segment individually with a different cabin class, e.g., STL-ORD in Economy class, ORD-YYZ in Premium Economy, and YYZ-FRA in Business cabin. Once they accept your bid, you'll receive an email notification 48 hours before departure. Alternatively, upgrade through the 'Instant Upgrade,' which will be confirmed in the next two hours following your request.

  • How will a Premium Economy upgrade enhance my flight experience from St. Louis to Frankfurt am Main?

    Finnair's Premium Economy seat comes with a 38" pitch – 7" longer than the Standard Economy seat (31") – memory foam cushions, a six-way headrest, and a leg rest. Unlike the Economy cabin with a 3-3-3 layout and 6" recline; the Premium Economy cabin features a 2-4-2 seat arrangement and 8" recline. Instead of a 12" screen entertainment, you'll be looking at a 13" screen display. Also, sample a three-course meal served on chinaware and complimentary drinks.

  • Which airline offers an economy cabin with family-friendly features?

    British Airways World Traveler is a family-oriented economy class offering comfort at a reasonable price and no hidden fees. The stylish interior cabin has flat screens, headphones for everyone, children's games, and parental-lock TV. Enjoy a starter menu, main course, dessert, special kids' meals, mid-flight snacks, and hot and cold drinks. Families with infants and small kids enjoy priority boarding.

Your guide to booking St. Louis to Frankfurt am Main Airport 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 Saturday. On this route, Thursday flights average $1,128, about $254 less than Saturday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 31% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Frankfurt am Main Airport trip for March. Fares historically average $919 round-trip in that month - typically $650 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 Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest layover option averages $926 round-trip on this route - about $420 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 Frankfurt am Main Airport.

    • Intercityhotel Frankfurt Airport Terminal 3
    • Holiday Inn Frankfurt Airport By IHG
    • Meininger Hotel Frankfurt/Main Flughafen
  • A flight with Air Canada from St. Louis Lambert International Airport (STL) to Frankfurt Airport (FRA) stops at Toronto Pearson Airport (YYZ). Some of their flights connect via Chicago O'Hare International Airport (ORD) and YYZ. Dallas/Fort Worth Airport (DFW) is also a common stopover for British Airways and Finnair flights.
  • Reserve a lap infant seat or a seat for your baby while booking a United Airlines flight. Choose a separate seat for your baby (below two years) and pay for the partial fare if there's a discount. Ensure your child's restraint device is FAA-approved and have their birth certificate to prove their age. Belly belts, harnesses, and booster seats are unacceptable.
  • On route STL-DFW-FRA with British Airways, you may relax at Club DFW Lounge in Terminal D on the airside (Mezzanine Floor next to Gate 27) for three hours. Use the Sky Link entry to avoid queuing at the security checkpoint twice. You'll have automatic access when flying on British Airways Club World and Club Europe (business class), First Class, or with Gold or Silver Executive Club memberships.
  • Iberia Airlines considers luggage bulk if it exceeds 62 inches (LxWxH) or between 50 and 70 lbs. Musical instruments up to 70 lbs are transported for free but heavier ones attract an extra fee. The economy cabin carry-on and checked luggage limits are 22 lbs and 70 lbs, respectively.
  • Travel with your dog or cat on a Lufthansa flight from STL-FRA. Assistant dogs travel for free, while any fighting animal must be caged in special crates and travel in the cargo hold. Book under-seat cabin space for a small cat or dog (max 17 lbs, including the carrier). Register your pet earlier than 72 hours before the flight.

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

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

Direct departures

Lambert-St Louis to Frankfurt am Main

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Direct returns

Frankfurt am Main to Lambert-St Louis

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

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

Complete your trip to Frankfurt am Main with a hotel stay or car rental