FRA - STL

$395 Find Cheap Flights from Frankfurt am Main to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Frankfurt am Main to St. Louis departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$708
Typical prices: $790-$1,358
Iberia
Wed 9/16Wed 9/23
FRA - STL • 1 stop
Cheapest non-stop
$739
Typical prices: $682-$776
Lufthansa
Wed 1/20Wed 2/24
FRA - STL • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Lufthansa Economy includes three-course meals and complimentary drinks on long-haul flights.
Lufthansa also offers special meals; book dietary options at least 24 hours before departure.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
5 days a week
Mon, Tue, Wed, Fri, Sun
You can fly direct with Lufthansa. Average duration is 9h 45m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Charlotte (CLT)
Cheapest • Avg $716 (round-trip)
Chicago (ORD)
Shortest trip • 13h 01m (one-way)
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 20% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to St. Louis!
Flight Deals
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Frankfurt am Main to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
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

Wed, Sep 16 - Wed, Sep 23
Iberia Logo
10:55 am - 11:43 pm
FRA
-
STL
19h 48m
1 stop
Iberia Logo
10:14 am - 8:45 am
STL
-
FRA
15h 31m
1 stop
$708Iberia
Sun, Aug 30 - Sun, Sep 13
Multiple Airlines Logo
10:55 am - 11:42 pm
FRA
-
STL
19h 47m
1 stop
Multiple Airlines Logo
9:40 pm - 10:20 pm
STL
-
FRA
17h 40m
1 stop
$715Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
6:30 am - 7:27 pm
FRA
-
STL
19h 57m
2 stops
Multiple Airlines Logo
8:07 pm - 10:45 pm
STL
-
FRA
19h 38m
2 stops
$717Multiple Airlines
Fri, Aug 21 - Thu, Sep 3
Iberia Logo
10:55 am - 7:43 pm
FRA
-
STL
15h 48m
1 stop
Iberia Logo
10:16 am - 8:45 am
STL
-
FRA
15h 29m
1 stop
$718Iberia
Mon, Aug 24 - Sun, Sep 6
Iberia Logo
10:55 am - 8:26 pm
FRA
-
STL
16h 31m
1 stop
Iberia Logo
10:16 am - 8:45 am
STL
-
FRA
15h 29m
1 stop
$719Iberia
Mon, Aug 24 - Sun, Sep 6
Iberia Logo
10:55 am - 8:26 pm
FRA
-
STL
16h 31m
1 stop
Iberia Logo
10:16 am - 8:45 am
STL
-
FRA
15h 29m
1 stop
$720Iberia
Thu, Aug 20 - Mon, Aug 31
Iberia Logo
6:30 am - 7:27 pm
FRA
-
STL
19h 57m
2 stops
Iberia Logo
10:16 am - 8:45 am
STL
-
FRA
15h 29m
1 stop
$721Iberia
Wed, Aug 19 - Sun, Aug 30
Iberia Logo
6:30 am - 11:34 pm
FRA
-
STL
24h 04m
2 stops
Iberia Logo
12:45 pm - 8:45 am
STL
-
FRA
13h 00m
1 stop
$723Iberia
Sun, Aug 30 - Sun, Sep 13
Multiple Airlines Logo
6:40 am - 7:28 pm
FRA
-
STL
19h 48m
2 stops
Multiple Airlines Logo
9:40 pm - 10:20 pm
STL
-
FRA
17h 40m
1 stop
$724Multiple Airlines
Sun, Sep 6 - Mon, Sep 21
Iberia Logo
10:55 am - 10:41 pm
FRA
-
STL
18h 46m
1 stop
Iberia Logo
12:46 pm - 8:45 am
STL
-
FRA
12h 59m
1 stop
$725Iberia
Booking Insights

KAYAK's insights & trends for Frankfurt am Main to St. Louis flights

Get data-powered insights and trends into flights from Frankfurt am Main to St. Louis to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Frankfurt am Main Airport to St. Louis departing in September.

Flight prices are below average for this route right now.

Flights to St. Louis from Frankfurt am Main Airport usually cost between $826 and $1,034 in September.
The lowest price found in the past 5 days was $708 on Iberia (Sep 16-Sep 23).

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

The average price of all round-trip flights from Frankfurt am Main Airport to St. Louis clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Frankfurt am Main to St. Louis, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from St. Louis, Wednesday is the cheapest day to fly and Friday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Frankfurt am Main Airport to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Frankfurt am Main Airport to St. Louis is February, where tickets cost $707 (return) on average. On the other hand, the most expensive months are September and June, where the average cost of round-trip tickets is $1,267 and $961 respectively.

Can I save money by flying with a layover from Frankfurt am Main Airport to St. Louis?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $787 on average.

How far in advance should I book a flight from Frankfurt am Main Airport to St. Louis?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Frankfurt am Main Airport to St. Louis, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Frankfurt am Main Airport to St. Louis, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

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Expert advice

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

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

Read more
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.

Read more
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.

Read more
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.

Read more

Good to know

Low season

February

Cheapest flight

$395
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Frankfurt am Main 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Frankfurt am Main to St. Louis flights

  • How many flights are there between Frankfurt am Main Airport and St. Louis per day?

    There is a maximum of 1 nonstop flight a day that takes off from Frankfurt am Main Airport and lands in St. Louis, with an average flight time of 9h 45m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 5 flights.

  • What is the cheapest flight from Frankfurt am Main Airport to St. Louis?

    In the last 5 days, the lowest price for a flight from Frankfurt am Main Airport to St. Louis was $395 for a one-way ticket and $708 for a round-trip.

  • Do I need a passport to fly between Frankfurt am Main and St. Louis?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Frankfurt am Main and on arrival in St. Louis.

  • Which airports will I be using when flying from Frankfurt am Main to St. Louis?

    On your way to St. Louis, you’ll fly out from Frankfurt am Main. You’ll be landing at Lambert-St Louis.

  • Which airlines offer Wi-Fi service onboard planes from Frankfurt am Main to St. Louis?

    Lufthansa, and United Airlines offer inflight Wi-Fi service on the Frankfurt am Main to St. Louis flight route.

  • Which aircraft models fly most regularly from Frankfurt am Main to St. Louis?

    The Airbus A330-300 is the aircraft model that flies most regularly on the Frankfurt am Main to St. Louis flight route.

  • Which airline alliances offer flights from Frankfurt am Main to St. Louis?

    Star Alliance is the only airline alliance operating flights between Frankfurt am Main and St. Louis.

  • On which days can I fly direct from Frankfurt am Main to St. Louis?

    You can catch a nonstop flight from Frankfurt am Main to St. Louis on Monday, Tuesday, Wednesday, Friday, and Sunday.

  • Which is the best airline for flights from Frankfurt am Main to St. Louis, United Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from Frankfurt am Main to St. Louis are United Airlines and Lufthansa. With an average price for the route of $920 and an overall rating of 7.4, United Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of $884 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Frankfurt am Main to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Frankfurt am Main to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Frankfurt am Main to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Frankfurt am Main is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Frankfurt am Main to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Frankfurt am Main with another airline. Booking your flights between Frankfurt am Main and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Frankfurt am Main to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Frankfurt am Main up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Frankfurt am Main to Lambert-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

Everything you need to know for your flight from Frankfurt am Main to St. Louis

Information on your arrival and departure airports

Frankfurt am Main (FRA)
St. Louis (STL)