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Cheap flights from St Louis to Frankfurt

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Flight deals from St Louis to Frankfurt

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Frankfurt? Find the lowest prices on one-way and round-trip tickets right here.
Frankfurt.C$828 per passenger.Departing Wed, Jan 21, returning Wed, Jan 28.Round-trip flight with KLM and Air France.Outbound indirect flight with KLM, departing from St Louis on Wed, Jan 21, arriving in Frankfurt am Main.Inbound indirect flight with Air France, departing from Frankfurt am Main on Wed, Jan 28, arriving in St Louis.Price includes taxes and charges.From C$828, select.
Frankfurt.C$840 per passenger.Departing Sun, Aug 10, returning Fri, Aug 22.Round-trip flight with Air France.Outbound indirect flight with Air France, departing from St Louis on Sun, Aug 10, arriving in Frankfurt am Main.Inbound indirect flight with Air France, departing from Frankfurt am Main on Fri, Aug 22, arriving in St Louis.Price includes taxes and charges.From C$840, select.
Frankfurt.C$841 per passenger.Departing Wed, Mar 11, returning Wed, Mar 18.Round-trip flight with Finnair.Outbound indirect flight with Finnair, departing from St Louis on Wed, Mar 11, arriving in Frankfurt am Main.Inbound indirect flight with Finnair, departing from Frankfurt am Main on Wed, Mar 18, arriving in St Louis.Price includes taxes and charges.From C$841, select.
Frankfurt.C$845 per passenger.Departing Tue, Aug 26, returning Sat, Dec 13.Round-trip flight with Finnair.Outbound indirect flight with Finnair, departing from St Louis on Tue, Aug 26, arriving in Frankfurt am Main.Inbound indirect flight with Finnair, departing from Frankfurt am Main on Sat, Dec 13, arriving in St Louis.Price includes taxes and charges.From C$845, select.
Frankfurt.C$848 per passenger.Departing Tue, Nov 18, returning Thu, Dec 4.Round-trip flight with Finnair.Outbound indirect flight with Finnair, departing from St Louis on Tue, Nov 18, arriving in Frankfurt am Main.Inbound indirect flight with Finnair, departing from Frankfurt am Main on Thu, Dec 4, arriving in St Louis.Price includes taxes and charges.From C$848, select.
Frankfurt.C$851 per passenger.Departing Sun, Sep 21, returning Wed, Oct 1.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Sun, Sep 21, arriving in Frankfurt am Main.Inbound indirect flight with Delta, departing from Frankfurt am Main on Wed, Oct 1, arriving in St Louis.Price includes taxes and charges.From C$851, select.
Frankfurt.C$884 per passenger.Departing Wed, Jul 30, returning Thu, Dec 18.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Wed, Jul 30, arriving in Frankfurt am Main.Inbound indirect flight with Delta, departing from Frankfurt am Main on Thu, Dec 18, arriving in St Louis.Price includes taxes and charges.From C$884, select.
Frankfurt.C$886 per passenger.Departing Wed, Nov 12, returning Wed, Nov 19.Round-trip flight with Lufthansa.Outbound direct flight with Lufthansa departing from St Louis on Wed, Nov 12, arriving in Frankfurt am Main.Inbound direct flight with Lufthansa departing from Frankfurt am Main on Wed, Nov 19, arriving in St Louis.Price includes taxes and charges.From C$886, select.

Find the cheapest month to fly from St Louis to Frankfurt

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Frankfurt flights are currently cheapest in January.
May
from C$1,404
Jun
from C$1,201
Jul
from C$1,289
Aug
from C$840
Sep
from C$926
Oct
from C$934
Nov
from C$886
Dec
from C$890
Jan
from C$828
Feb
from C$2,429
Mar
from C$841
Apr
Find prices

Direct flights from St Louis to Frankfurt

Alternative St Louis to Frankfurt routes

Looking for the cheapest, fastest or easiest route from St Louis to Frankfurt? You could fly into the following airports instead.

St Louis to Frankfurt: Flight information

The things to know before you go.
Cheapest flight foundC$828
Cheapest month to flyJanuary
Average flight time8 hrs, 45 mins
Most popular airlineLufthansa
Average flights per week7

Finding cheap flights from St Louis to Frankfurt: Frequently asked questions

There are 3 airports in Frankfurt: Frankfurt am Main, Mannheim and Frankfurt Hahn.
The best price we found for a round-trip flight from St Louis to Frankfurt is C$828. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 45 minutes is the average flight time from St Louis to Frankfurt.
Lufthansa and United fly direct from St Louis to Frankfurt.
There are 7 flights per week flying from St Louis to Frankfurt, as of May 2025.
The cheapest month to fly from St Louis to Frankfurt is usually May 2025.
If you're flying from St Louis Airport, the cheapest airport near Frankfurt is Frankfurt am Main – which is 11.8 km away from the center of Frankfurt. We've found flights to this airport from C$828.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Frankfurt on Wednesday, January 21, 2026.
Yes – the average flight time is 8 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Frankfurt but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Frankfurt is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 13°C. July is typically the warmest month in Frankfurt, when it usually averages around 25°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -3°C. The rainiest month is July.
Currently, KLM and Lufthansa offer the cheapest flight tickets to Frankfurt.

Flying from Lambert-St. Louis International Airport (STL) to Frankfurt: what you need to know

  • Jump on a direct flight from Lambert-St. Louis International Airport to Frankfurt and you'll be travelling for an average of 10 hours.

  • Lambert-St. Louis International Airport is located in St Louis. Based in the UTC+1 timezone, Frankfurt is six hours ahead of St Louis.

  • The busiest route is from Lambert-St. Louis International Airport (STL) to Frankfurt Airport (FRA). You can select from three services every week between these two airports. If you'd like to get on your way as soon as possible, the earliest flight from STL to FRA is the 15:30 Lufthansa service. If you're planning to fly out later on, the last departure is at 16:45 with Lufthansa.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your STL to Frankfurt flight.

  • Longer lines at check-in and security are more likely if you're jetting off during high season, so allow a little extra breathing room. A good rule for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Begin your trip at STL and fly straight to Frankfurt Airport (FRA). That's where you can expect to land when searching for Lambert-St. Louis International Airport to Frankfurt tickets.

  • Lufthansa is a popular airline that offers direct flights from Lambert-St. Louis International Airport to Frankfurt.

  • We make it a breeze to book flight tickets from STL to Frankfurt with a stopover. To see all the options, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to see the sights of your chosen city. Some popular stopovers include:

    • O'Hare International Airport (ORD)

    • Logan International Airport (BOS)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • STL is about 16 kilometres from central St Louis. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 35 minutes.

  • Want an easy start to your journey? Stay near STL. Whether you're catching an early flight from Lambert-St. Louis International Airport to Frankfurt or just don't like being rushed, these hotels have you covered:

  • 78.04% of flights that leave from Lambert-St. Louis International Airport arrive at their destination on time.

  • STL is located at 10701 Lambert International Blvd..

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Frankfurt

  • The best price we've found for a one-way Lambert-St. Louis International Airport to Frankfurt flight is C$401. The cheapest price for a return flight is C$828. Remember fares can change due to demand at the time of booking.

  • To score cheap flights from STL to Frankfurt, reserve your journey one month ahead of your planned departure.

  • The best month for picking up cheap Lambert-St. Louis International Airport to Frankfurt tickets is May. Use the 'Whole month' tool to compare prices, then choose the dates with the lowest fares.

  • Save time searching for cheap flights from STL to Frankfurt by creating a Price Alert. You'll get an email or notification on the app when fares go down.

  • Choose your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Lambert-St. Louis International Airport to Frankfurt by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Frankfurt

Frankfurt Airport (FRA)

  • Frankfurt Airport (FRA) is around 14 kilometres from the centre of Frankfurt. If you're catching a cab or a ride-share, the drive will take roughly 20 minutes.

  • If you're using public transport, expect a journey time of around 35 minutes.

  • If you're arriving on a late flight from Lambert-St. Louis International Airport to Frankfurt, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these accommodation options near FRA:

  • Grab a Frankfurt Airport rental car and explore Frankfurt and beyond with your own set of wheels. Wheego, Alamo and OK Mobility are top providers you can book with here.

  • Secure the lowest price by reserving your ride from Frankfurt Airport about three weeks ahead of your flight from STL to Frankfurt.

Frankfurt - Hahn Airport (HHN)

  • Central Frankfurt is located around 121 kilometres from Frankfurt - Hahn Airport (HHN). After your flight from Lambert-St. Louis International Airport to Frankfurt has landed and you've navigated your way to arrivals, the drive should be around 1 hour 30 minutes.

  • If you're travelling on public transport, it'll take about 2 hours 40 minutes.

  • Following your STL to Frankfurt flight, settle in at a hotel close to HHN. These are some comfortable options that'll help you slip into relaxation mode:

  • The quickest way to reach your destination is with a Frankfurt - Hahn Airport rental car. Pick up your wheels from Flex To Go, Alamo or Keddy By Europcar and be off and running.

  • Lock in the best price by securing your ride from HHN four weeks in advance. You'll also have access to a greater range of vehicles.

Best time to go to Frankfurt

  • Travel to Frankfurt in high season if you want a lively atmosphere, but remember that prices are usually higher. Alternatively, book your flights from Lambert-St. Louis International Airport to Frankfurt in the off-season when prices are cheaper and crowds are smaller.

  • The warmest month in Frankfurt is July, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Lambert-St. Louis International Airport to Frankfurt flight ticket then if that's your ideal forecast.

  • If you want to travel in cooler conditions, search for a cheap ticket from STL to Frankfurt in January when temperatures average between -4ºC (25ºF) and 7ºC (45ºF).

More about Frankfurt

  • Once you've booked your flight from Lambert-St. Louis International Airport to Frankfurt, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Frankfurt:

  • Goethe House and Palmengarten are just two of the popular attractions to add to your Frankfurt itinerary. Keep the adventure rolling by checking out Frankfurt Cathedral.

Explore more of Germany

  • Berlin is just one of the many places in Germany waiting to be explored after you've experienced Frankfurt. Around 418 kilometres away to the north-east, check out popular attractions including Brandenburg Gate, Berlin Wall Memorial and East Side Gallery.

  • If you're looking to explore another corner of Germany, consider Hamburg, about 386 kilometres north of Frankfurt. Miniatur Wunderland, Elbphilharmonie Hamburg and Port of Hamburg are the start of reasons to visit.

Plan the rest of your trip from St Louis to Frankfurt

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.