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£327 Cheap Flights from Frankfurt (FRA) to St. Louis (STL)

View £327 flight on Wed, 16 Sept 2026Opens in a new window

Flight 1

Popular airlines from Frankfurt Airport (FRA) to Lambert-St. Louis International Airport (STL)

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

Prices were available within the past 7 days and start at £327 for one-way flights and £542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, 19 Aug - Wed, 26 Aug
FRA
Frankfurt
STL
St. Louis
£542 Return, found 2 days ago
£542
Return
found 2 days ago
Select Iberia flight, departing Wed, 19 Aug from Frankfurt to St. Louis, returning Wed, 26 Aug, priced at £542 found 2 days ago
Iberia
Tue, 27 Oct - Sun, 1 Nov
FRA
Frankfurt
STL
St. Louis
£544 Return, found 6 days ago
£544
Return
found 6 days ago
Select Iberia flight, departing Tue, 27 Oct from Frankfurt to St. Louis, returning Sun, 1 Nov, priced at £544 found 6 days ago
Iberia
Thu, 13 Aug - Thu, 20 Aug
FRA
Frankfurt
STL
St. Louis
£544 Return, found 2 days ago
£544
Return
found 2 days ago
Select Iberia flight, departing Thu, 13 Aug from Frankfurt to St. Louis, returning Thu, 20 Aug, priced at £544 found 2 days ago
Iberia
Fri, 18 Sept - Tue, 6 Oct
FRA
Frankfurt
STL
St. Louis
£545 Return, just found
£545
Return
just found
Select Iberia flight, departing Fri, 18 Sept from Frankfurt to St. Louis, returning Tue, 6 Oct, priced at £545 just found
Iberia
Fri, 18 Sept - Tue, 6 Oct
FRA
Frankfurt
STL
St. Louis
£547 Return, just found
£547
Return
just found
Select Iberia flight, departing Fri, 18 Sept from Frankfurt to St. Louis, returning Tue, 6 Oct, priced at £547 just found
Iberia
Wed, 28 Oct - Thu, 5 Nov
FRA
Frankfurt
STL
St. Louis
£550 Return, found 4 days ago
£550
Return
found 4 days ago
Select Iberia flight, departing Wed, 28 Oct from Frankfurt to St. Louis, returning Thu, 5 Nov, priced at £550 found 4 days ago
British Airways
Tue, 27 Oct - Sun, 1 Nov
FRA
Frankfurt
STL
St. Louis
£576 Return, found 6 days ago
£576
Return
found 6 days ago
Select British Airways flight, departing Tue, 27 Oct from Frankfurt to St. Louis, returning Sun, 1 Nov, priced at £576 found 6 days ago
KLM
Tue, 27 Oct - Sun, 1 Nov
FRA
Frankfurt
STL
St. Louis
£581 Return, found 6 days ago
£581
Return
found 6 days ago
Select KLM flight, departing Tue, 27 Oct from Frankfurt to St. Louis, returning Sun, 1 Nov, priced at £581 found 6 days ago
Austrian Airlines
Wed, 28 Oct - Thu, 5 Nov
FRA
Frankfurt
STL
St. Louis
£583 Return, found 4 days ago
£583
Return
found 4 days ago
Select Austrian Airlines flight, departing Wed, 28 Oct from Frankfurt to St. Louis, returning Thu, 5 Nov, priced at £583 found 4 days ago
Lufthansa
Mon, 21 Sept - Tue, 6 Oct
FRA
Frankfurt
STL
St. Louis
£584 Return, just found
£584
Return
just found
Select Lufthansa flight, departing Mon, 21 Sept from Frankfurt to St. Louis, returning Tue, 6 Oct, priced at £584 just found

Find the cheapest month to fly from Frankfurt (FRA) to St. Louis (STL)

January is typically the cheapest month to fly

From £453 - £1,429 per traveller.

Frequently asked questions

How much does a flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from £327 and cheap return flights from £542 FRA to STL with Expedia. One-way flights typically cost between £339 and £1379. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when FRA to STL ticket fares go up or down.
What is the cheapest month to fly from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
February is typically the cheapest month to fly from Frankfurt (FRA) to St. Louis, MO (STL), with average return fares around £424. February often sees lower prices because it falls outside of peak holiday seasons, when travel demand tends to decrease. Other cheap months to fly from Frankfurt (FRA) to St. Louis, MO (STL) include April and September.
Which airlines fly direct from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Only one airline offers direct flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.). Lufthansa operates 7 direct flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) every week.
What is the cheapest airline that flies from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Lufthansa is one of the cheapest airlines offering nonstop return flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with tickets starting from around £724 for flights that can be booked for departure within the next year. Condor offers one of the cheapest connecting return flights on this route, with tickets starting from around £849. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will differ from traveler to traveler. If you like to fly early, Lufthansa offers early morning flights. If price is the most important factor, Lufthansa typically offers the lowest fares. Lufthansa offers the most daily flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly from Frankfurt (FRA) to St. Louis, MO (STL) is typically February. This month offers a great balance—prices are reasonable at around £424 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. February can be a good time to find deals after the holiday season. If you're flexible, this month gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 60 connecting flights per day from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.). Some common connection points include Heathrow (LHR), Dublin (DUB), and O'Hare Intl. (ORD).
What is the earliest flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 6:00 AM. This service is operated by TAP Portugal and American Airlines. Please note that this is a seasonal service, active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll typically find the most flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) on a Monday, with around 63 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Lufthansa, United, and Delta. Compared to other days, Monday offers notably more flight options, making it a convenient day to travel.
What are the most popular departure times for flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) are in the morning, from 9am to 12pm. Many major carriers, including Lufthansa, Delta and American Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically takes around 9 hours 48 minutes. This route covers a distance of approximately 7,372 kilometers. If you opt for a flight with one stop, your journey will usually take longer, averaging around 15 hours 48 minutes. Flights with two or more stops generally take about 20 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Yes, you can fly business class or first class between FRA and STL. Airlines that offer business class service on this route include:
  • Lufthansa
  • Iberia
  • SAS
  • Swiss International Air Lines
  • Air Baltic
  • KLM
  • Brussels Airlines
  • British Airways
  • Air Canada
  • Delta
  • Finnair
  • United
  • American Airlines
First class cabins are available on Lufthansa.
How do I earn miles on a Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis, MO (STL) from Frankfurt (FRA)?
If you're planning to travel to St. Louis from Frankfurt Intl. (FRA), you can fly directly into Lambert-St. Louis Intl. (STL) which offers international flights and connections. Some flights may connect through major hubs like Heathrow (LHR), Pearson Intl. (YYZ), or Pierre Elliott Trudeau Intl. (YUL) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Frankfurt (FRA-Frankfurt Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Frankfurt Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, KLM, Lufthansa, Virgin Atlantic
Return price
£542
Distance
7329 km
Average flight time
9 hours 45 mins

Book with confidence

Compare flights from Frankfurt to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Frankfurt to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Frankfurt Intl. to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Frankfurt Intl. (FRA) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Frankfurt to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Frankfurt Intl. to Lambert-St. Louis Intl. start at just £542 and range up to £869.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Frankfurt and St. Louis
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Frankfurt to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Frankfurt Intl. to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Frankfurt to St. Louis easily and book with confidence

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*Available to Expedia members.