$423 Cheap Flights from Frankfurt (FRA) to St. Louis (STL)

View $423 flight on Fri, Jun 5, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $423 for one-way flights and $598 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, May 26 - Tue, Jun 9
FRA
Frankfurt
STL
St. Louis
$598 Roundtrip, found 4 hours ago
$598
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, May 26 from Frankfurt to St. Louis, returning Tue, Jun 9, priced at $598 found 4 hours ago
British Airways
Tue, May 26 - Tue, Jun 9
FRA
Frankfurt
STL
St. Louis
$601 Roundtrip, found 4 hours ago
$601
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, May 26 from Frankfurt to St. Louis, returning Tue, Jun 9, priced at $601 found 4 hours ago
British Airways
Wed, Nov 5 - Wed, Nov 19
FRA
Frankfurt
STL
St. Louis
$603 Roundtrip, found 1 day ago
$603
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 5 from Frankfurt to St. Louis, returning Wed, Nov 19, priced at $603 found 1 day ago
British Airways
Fri, Nov 7 - Sun, Nov 23
FRA
Frankfurt
STL
St. Louis
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Nov 7 from Frankfurt to St. Louis, returning Sun, Nov 23, priced at $603 found 2 days ago
British Airways
Sat, Apr 18 - Wed, Apr 22
FRA
Frankfurt
STL
St. Louis
$606 Roundtrip, found 19 hours ago
$606
Roundtrip
found 19 hours ago
Select British Airways flight, departing Sat, Apr 18 from Frankfurt to St. Louis, returning Wed, Apr 22, priced at $606 found 19 hours ago
American Airlines
Sat, Apr 18 - Wed, Apr 22
FRA
Frankfurt
STL
St. Louis
$607 Roundtrip, found 19 hours ago
$607
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Apr 18 from Frankfurt to St. Louis, returning Wed, Apr 22, priced at $607 found 19 hours ago
British Airways
Fri, Feb 6 - Sun, Feb 15
FRA
Frankfurt
STL
St. Louis
$610 Roundtrip, found 1 day ago
$610
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Feb 6 from Frankfurt to St. Louis, returning Sun, Feb 15, priced at $610 found 1 day ago
Iberia
Wed, Nov 5 - Wed, Nov 19
FRA
Frankfurt
STL
St. Louis
$615 Roundtrip, found 1 day ago
$615
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Nov 5 from Frankfurt to St. Louis, returning Wed, Nov 19, priced at $615 found 1 day ago
Air Canada
Wed, Apr 29 - Tue, May 12
FRA
Frankfurt
STL
St. Louis
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Apr 29 from Frankfurt to St. Louis, returning Tue, May 12, priced at $657 found 1 day ago
Lufthansa
Wed, Nov 5 - Wed, Nov 12
FRA
Frankfurt
STL
St. Louis
$669 Roundtrip, found 2 days ago
$669
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Nov 5 from Frankfurt to St. Louis, returning Wed, Nov 12, priced at $669 found 2 days ago

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

March is typically the cheapest month to fly

From $523 - $1,484 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $615
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $615

Frequently asked questions

How much does a flight from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $423 or cheap return flight from $598 from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
May is the most affordable month to fly from FRA to STL. Traveling outside of peak seasons is often the key to landing a great deal.
Which airlines fly direct from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
Fly nonstop from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL) on a Lufthansa flight.
What is the cheapest airline that flies from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from FRA to STL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
On average, Frankfurt Intl. Airport (FRA) has 3 direct flights to Lambert-St. Louis Intl. Airport (STL) weekly. If you want more options, use Expedia's filter tool to find flights with one or more stops. Squeeze in a quick visit to another city or simply break up your journey.
What are the most popular departure times for flights from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
More travelers fly between FRA and STL at 10 AM than at any other time. Rather skip the crowds? Pick a flight outside the busiest times and you could save on your fare as well.
What day of the week has the most flights from FRA to STL?
Fly on a Friday if you're searching for the best selection of flights from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
Frankfurt Intl. Airport (FRA)'s first flight to Lambert-St. Louis Intl. Airport (STL) takes off at approximately 10:45AM UTC+1. With a travel duration of 10h 10m, you'll arrive at around 1:55PM UTC-6.
How long does it take to fly from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
The average flight time from FRA to STL is 10 hours and 10 minutes, covering a distance of 4,600 mi.
What is the best time to fly from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Louis from Frankfurt Intl. Airport (FRA)?
Compare your flight options from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL). This is the only St. Louis airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your trip to book a flight from FRA to STL generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a FRA to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a FRA to STL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Frankfurt Intl. Airport (FRA) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your FRA to STL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Frankfurt Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$598
Distance
4580 mi
Average flight time
9 hours 50 mins

Book with confidence

Frankfurt to St. Louis Flights

The cheapest times to fly from Frankfurt to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Frankfurt to St. Louis are during the month of May. You can find some of the cheapest flights from Frankfurt to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Frankfurt to St. Louis

Sunday is one of the best days to book for cheap flights from Frankfurt to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Frankfurt to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Frankfurt to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Frankfurt to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Frankfurt to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frankfurt to St. Louis Flights

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*Available to One Key members.