$548 Cheap Flights from St. Louis (STL) to Frankfurt (FRA)

View $548 flight on Tue, Apr 21, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $548 for one-way flights and $630 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Jan 12 - Thu, Jan 15
STL
St. Louis
FRA
Frankfurt
$630 Roundtrip, found 1 day ago
$630
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from St. Louis to Frankfurt, returning Thu, Jan 15, priced at $630 found 1 day ago
Scandinavian Airlines
Tue, Sep 30 - Fri, Nov 7
STL
St. Louis
FRA
Frankfurt
$660 Roundtrip, found 2 days ago
$660
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Sep 30 from St. Louis to Frankfurt, returning Fri, Nov 7, priced at $660 found 2 days ago
Scandinavian Airlines
Mon, Nov 17 - Thu, Nov 27
STL
St. Louis
FRA
Frankfurt
$683 Roundtrip, found 1 day ago
$683
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Nov 17 from St. Louis to Frankfurt, returning Thu, Nov 27, priced at $683 found 1 day ago
Scandinavian Airlines
Sat, Sep 27 - Sat, Nov 8
STL
St. Louis
FRA
Frankfurt
$690 Roundtrip, found 2 days ago
$690
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Sep 27 from St. Louis to Frankfurt, returning Sat, Nov 8, priced at $690 found 2 days ago
Scandinavian Airlines
Tue, Sep 30 - Fri, Nov 7
STL
St. Louis
FRA
Frankfurt
$713 Roundtrip, found 2 days ago
$713
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Sep 30 from St. Louis to Frankfurt, returning Fri, Nov 7, priced at $713 found 2 days ago
Scandinavian Airlines
Mon, Nov 17 - Thu, Nov 27
STL
St. Louis
FRA
Frankfurt
$713 Roundtrip, found 1 day ago
$713
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Nov 17 from St. Louis to Frankfurt, returning Thu, Nov 27, priced at $713 found 1 day ago
Lufthansa
Sun, Nov 30 - Fri, Dec 19
STL
St. Louis
FRA
Frankfurt
$852 Roundtrip, found 1 day ago
$852
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Nov 30 from St. Louis to Frankfurt, returning Fri, Dec 19, priced at $852 found 1 day ago
Air Canada
Wed, May 6 - Wed, May 13
STL
St. Louis
FRA
Frankfurt
$853 Roundtrip, found 1 day ago
$853
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, May 6 from St. Louis to Frankfurt, returning Wed, May 13, priced at $853 found 1 day ago
United
Sun, Nov 30 - Wed, Dec 10
STL
St. Louis
FRA
Frankfurt
$853 Roundtrip, found 3 hours ago
$853
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Nov 30 from St. Louis to Frankfurt, returning Wed, Dec 10, priced at $853 found 3 hours ago
British Airways
Thu, Mar 12 - Sat, Apr 4
STL
St. Louis
FRA
Frankfurt
$867 Roundtrip, found 2 days ago
$867
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Mar 12 from St. Louis to Frankfurt, returning Sat, Apr 4, priced at $867 found 2 days ago

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

August is typically the cheapest month to fly

From $580 - $1,955 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA) cost?
Lock in a cheap one-way flight from $548 or cheap return flight from $630 from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
January is the most affordable month to fly from STL to FRA. Traveling during quieter months is often the key to landing a great deal.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
When jetting out of Lambert-St. Louis Intl. Airport (STL), you can catch a nonstop flight to Frankfurt Intl. Airport (FRA) with Lufthansa.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from STL to FRA. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
On average, Lambert-St. Louis Intl. Airport (STL) has 3 nonstop flights to Frankfurt Intl. Airport (FRA) every week. If you're looking for more options, use Expedia's filter tool to search for flights with one or two stops. Squeeze in a visit to another destination or simply break up your trip.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
More passengers fly between STL and FRA at 3 PM than at any other point in the day. Looking for a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from STL to FRA?
If you travel on a Friday, you'll get the biggest range of choices for flights from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
Lambert-St. Louis Intl. Airport (STL)'s first flight to Frankfurt Intl. Airport (FRA) leaves at approximately 3:45PM UTC-6. With a travel time of 8h 40m, you'll arrive at around 7:25AM UTC+1.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
Flights from STL to FRA have an average travel time of 8 hours and 40 minutes. The total distance between these two airports is 4,600 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
To touch down at Frankfurt Intl. Airport (FRA) without delays, select a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Frankfurt from Lambert-St. Louis Intl. Airport (STL)?
Browse your flight options from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA). This is the only airport in Frankfurt you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA) last-minute?
Waiting until just before your departure to book your flight from STL to FRA often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a STL to FRA flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to FRA flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Frankfurt Intl. Airport (FRA)?
If you booked your STL to FRA flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Frankfurt Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$630
Distance
4580 mi

Book with confidence

Book with confidence

St. Louis to Frankfurt Flights

The cheapest times to fly from St. Louis to Frankfurt

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 St. Louis to Frankfurt are during the month of January. You can find some of the cheapest flights from St. Louis to Frankfurt with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Frankfurt: 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 St. Louis to Frankfurt

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 St. Louis to Frankfurt in 2025. You can also book with separate airlines for your outbound and return journeys, from $548 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 St. Louis to Frankfurt 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 St. Louis to Frankfurt 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.

 

St. Louis to Frankfurt Flights

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*Available to One Key members.