STL - FRA

$351 Find Cheap Flights from St. Louis to Frankfurt am Main - 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 St. Louis to Frankfurt am Main departing on 10/15. 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
$829
Typical prices: $841-$1,396
Multiple Airlines
Wed 9/2Fri 9/11
STL - FRA • 1 stop
Cheapest non-stop
$843
Typical prices: $816-$1,404
Lufthansa
Wed 11/18Wed 11/25
STL - FRA • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Lufthansa Premium Economy adds more space and an extra checked bag.
United Premium Plus adds legroom; Lufthansa offers special meals.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
Mon, Tue, Wed, Fri, Sun
You can fly direct with Lufthansa. Average duration is 8h 55m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $1,135 (round-trip)
Shortest trip • 11h 42m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
Good to know
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Good to know
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Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Frankfurt am Main 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 St. Louis to Frankfurt am Main

Wed, Sep 2 - Fri, Sep 11
Multiple Airlines Logo
10:25 am - 5:45 am
STL
-
FRA
12h 20m
1 stop
Multiple Airlines Logo
12:30 pm - 7:45 pm
FRA
-
STL
14h 15m
1 stop
$829Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Lufthansa Logo
3:40 pm - 7:30 am
STL
-
FRA
8h 50mnonstop
Lufthansa Logo
10:45 am - 1:45 pm
FRA
-
STL
10h 00mnonstop
$843Lufthansa
Wed, Nov 18 - Wed, Nov 25
Lufthansa Logo
1:08 pm - 7:30 am
STL
-
FRA
11h 22m
1 stop
Lufthansa Logo
10:45 am - 1:45 pm
FRA
-
STL
10h 00mnonstop
$847Lufthansa
Sun, Nov 8 - Fri, Nov 27
Multiple Airlines Logo
3:40 pm - 7:30 am
STL
-
FRA
8h 50mnonstop
Multiple Airlines Logo
1:20 pm - 3:26 pm
FRA
-
STL
33h 06m
1 stop
$853Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
British Airways Logo
9:50 am - 10:20 am
STL
-
FRA
17h 30m
2 stops
British Airways Logo
10:15 am - 11:35 pm
FRA
-
STL
20h 20m
1 stop
$854British Airways
Wed, Dec 2 - Wed, Jan 13
British Airways Logo
6:13 pm - 4:40 pm
STL
-
FRA
15h 27m
2 stops
British Airways Logo
10:15 am - 10:59 pm
FRA
-
STL
19h 44m
1 stop
$854British Airways
Sun, Nov 8 - Fri, Nov 27
Multiple Airlines Logo
4:05 pm - 3:50 pm
STL
-
FRA
16h 45m
2 stops
Multiple Airlines Logo
10:45 am - 1:45 pm
FRA
-
STL
10h 00mnonstop
$854Multiple Airlines
Wed, Dec 2 - Wed, Jan 13
Lufthansa Logo
7:04 pm - 1:45 pm
STL
-
FRA
11h 41m
1 stop
Lufthansa Logo
10:45 am - 1:45 pm
FRA
-
STL
10h 00mnonstop
$854Lufthansa
Tue, Dec 1 - Tue, Jan 12
United Airlines Logo
7:04 pm - 6:35 am
STL
-
FRA
28h 31m
1 stop
United Airlines Logo
5:10 pm - 3:26 pm
FRA
-
STL
29h 16m
1 stop
$870United Airlines
Sun, Nov 29 - Tue, Jan 12
United Airlines Logo
6:50 pm - 6:35 am
STL
-
FRA
28h 45m
1 stop
United Airlines Logo
5:10 pm - 3:26 pm
FRA
-
STL
29h 16m
1 stop
$870United Airlines
Booking Insights

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

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

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

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

Flight prices are below average for this route right now.

Flights to Frankfurt am Main Airport from St. Louis usually cost between $1,090 and $1,675 in August.
The lowest price found in the past 5 days was $508 on Lufthansa (Aug 31-Sep 12).

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

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

For St. Louis to Frankfurt am Main, Wednesday is the cheapest day to fly on average and Friday is the most expensive. Flying from Frankfurt am Main back to St. Louis, the best deals are generally found on Friday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Frankfurt am Main Airport, 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 St. Louis to Frankfurt am Main Airport is March, where tickets cost $929 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,758 and $1,484 respectively.

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

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 2 stops layover the cheapest option at $1,243 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Frankfurt am Main Airport, 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 St. Louis to Frankfurt am Main Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

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

 
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.

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.

Good to know

Low season

January

Cheapest flight

$351
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from St. Louis to Frankfurt am Main

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
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 St. Louis to Frankfurt am Main flights

  • 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.

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

    There is a maximum of 1 nonstop flight a day that takes off from St. Louis and lands in Frankfurt am Main Airport, with an average flight time of 8h 55m. The most common departure time is 3:00 pm and most flights take off in the afternoon. Each week, there are 5 flights.

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

    In the last 5 days, the lowest price for a flight from St. Louis to Frankfurt am Main Airport was $351 for a one-way ticket and $508 for a round-trip.

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

    A passport is required to fly from St. Louis to Frankfurt am Main.

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

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Frankfurt am Main, also known as Frankfurt am Main.

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

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

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

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

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

    oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Frankfurt am Main, with oneworld being the most commonly used for this route.

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

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

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

    The two airlines most popular with KAYAK users for flights from St. Louis to Frankfurt am Main are United Airlines and Lufthansa. With an average price for the route of $1,348 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 $1,322 and an overall rating of 6.8.

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

    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 St. Louis to Frankfurt am Main.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Frankfurt am Main from St. Louis 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 St. Louis to Frankfurt am Main?

    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 Frankfurt am Main with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and FRA 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 St. Louis to Frankfurt am Main?

    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 Frankfurt am Main from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Frankfurt am Main Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $590 or less one-way and $983 or less round-trip.
  • 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?

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

Monday

Lufthansa

Lufthansa

Tuesday

Lufthansa

Lufthansa

Wednesday

Lufthansa

Lufthansa

Friday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Direct returns

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

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

Information on your arrival and departure airports