Cheap Flights from Frankfurt am Main to St Louis

Compare Frankfurt am Main to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Frankfurt am Main Airport to St Louis Airport

Looking for a cheap last-minute deal or the best return flight from Frankfurt am Main Airport to St Louis Airport? If you want to travel next month, return fares start from R 13,037. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Frankfurt am Main to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Frankfurt am Main to St Louis flights are currently cheapest in May.

Direct flights from Frankfurt am Main to St Louis

Frankfurt am Main to St Louis: Alternative routes

Compare routes from Frankfurt am Main to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Frankfurt to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 8,178
Cheapest month to flyMay
Average flight time10 hrs, 2 mins
Most popular airlineLufthansa
Average flights per week8

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

The best price we found for a return flight from Frankfurt am Main to St Louis is R 13,032. 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.
10 hours and 2 minutes is the average flight time from Frankfurt am Main to St Louis.
Lufthansa and United fly direct from Frankfurt am Main to St Louis.
As of March 2026, there are 8 flights per week flying from Frankfurt am Main to St Louis.
The cheapest month to fly from Frankfurt am Main to St Louis is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Frankfurt am Main Airport to St Louis Airport on Tuesday, 21 April 2026.
Yes – the average flight time is 10 hours and 2 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 St Louis 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 St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and United offer the cheapest flight tickets to St Louis.

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

  • The average length of a direct flight from Frankfurt Airport to Lambert-St. Louis International Airport is 10 hours.

  • St Louis is six hours behind Frankfurt and follows the UTC-5 timezone.

  • Flights from FRA to STL start from 10:40 — the earliest with Lufthansa. The last service of the day is at 10:45 with Lufthansa. Overall, you can take your pick of four weekly Frankfurt Airport to Lambert-St. Louis International Airport flights.

  • Your FRA to STL flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months like April, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a peak period in general.

  • Lufthansa has direct flights from Frankfurt Airport to Lambert-St. Louis International Airport. Book with this popular carrier, then get ready to tick off the sights in St Louis — and maybe even more of United States if you have time.

  • Lufthansa tops the list for bookings on this route.

  • Lufthansa is the most punctual carrier that offers FRA to STL flights.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Frankfurt Airport to Lambert-St. Louis International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Popular stopovers between FRA and STL include:

    • O'Hare International Airport

    • Pearson International Airport

    • Minneapolis-St. Paul International Airport

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

  • R 8,178 is the best price for a one-way Frankfurt Airport to Lambert-St. Louis International Airport flight. A return flight starts at R 13,032. These fares may change depending on demand and availability.

  • To secure cheap tickets from FRA to STL, reserve your journey ten months ahead of your departure date.

  • Schedule your trip for September. That's the cheapest month for flights from Frankfurt Airport to Lambert-St. Louis International Airport. If your travel dates are flexible, try out the 'Whole month' tool to see the cheapest price across each month.

  • Spend less time searching for cheap flights from FRA to STL by creating a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Frankfurt Airport to Lambert-St. Louis International Airport.

Handy information about Frankfurt Airport (FRA)

  • Of the departures from Frankfurt Airport, 67.47% arrive as scheduled at their destination.

  • Central Frankfurt to Frankfurt Airport is around 14 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? Expect a trip time of around 35 minutes.

  • Get your travels off to a leisurely start by staying near FRA. Whether you've booked an early flight from Frankfurt Airport to Lambert-St. Louis International Airport or just don't like being rushed, these stays are the answer:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • You'll find STL at 10701 Lambert International Blvd..

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Travelling by public transport takes roughly 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • July is the most popular month for flights from Frankfurt Airport to Lambert-St. Louis International Airport. To steer clear of the crowds, travel to St Louis in April.

  • When reserving your flight from Frankfurt Airport to Lambert-St. Louis International Airport, consider the kind of weather you like. July is the warmest month in St Louis, with temperatures ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • For cooler conditions, look for a cheap ticket from FRA to STL in January. Average temperatures are between -8ºC (18ºF) and 7ºC (45ºF) then.

Explore more of United States

  • You've seen St Louis, now it's time to explore other corners of United States. Travel about 418 kilometres north-east to Chicago to tick off its top sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, there's plenty to keep you busy.

  • Indianapolis is another must-experience destination in United States and is around 370 kilometres east of St Louis. No journey is complete without a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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