658 € Cheap Flights from Frankfurt am Main to St Louis

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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 to St Louis

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 658 €. Find the lowest prices on one-way and return tickets right here.

St Louis.658 € per passenger.Departing Fri, 14 May, returning Fri, 28 May.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Fri, 14 May, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Fri, 28 May, arriving in Frankfurt am Main.Price includes taxes and charges.From 658 €, select.

St Louis.658 € per passenger.Departing Fri, 11 Jun, returning Fri, 25 Jun.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Fri, 11 Jun, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Fri, 25 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From 658 €, select.

St Louis.658 € per passenger.Departing Mon, 12 Oct, returning Fri, 23 Oct.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Mon, 12 Oct, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Fri, 23 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From 658 €, select.

St Louis.658 € per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Fri, 9 Apr, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Fri, 23 Apr, arriving in Frankfurt am Main.Price includes taxes and charges.From 658 €, select.

St Louis.658 € per passenger.Departing Mon, 29 Mar, returning Sun, 4 Apr.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Mon, 29 Mar, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Sun, 4 Apr, arriving in Frankfurt am Main.Price includes taxes and charges.From 658 €, select.

St Louis.659 € per passenger.Departing Sun, 16 May, returning Sun, 6 Jun.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Sun, 16 May, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Sun, 6 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From 659 €, select.

St Louis.659 € per passenger.Departing Sun, 11 Apr, returning Sun, 9 May.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Sun, 11 Apr, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Sun, 9 May, arriving in Frankfurt am Main.Price includes taxes and charges.From 659 €, select.

St Louis.659 € per passenger.Departing Wed, 17 Mar, returning Tue, 30 Mar.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 17 Mar, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Tue, 30 Mar, arriving in Frankfurt am Main.Price includes taxes and charges.From 659 €, select.

St Louis.659 € per passenger.Departing Wed, 2 Jun, returning Fri, 2 Jul.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Frankfurt am Main on Wed, 2 Jun, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Fri, 2 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From 659 €, select.

St Louis.660 € per passenger.Departing Mon, 3 May, returning Tue, 27 Jul.Return flight with Iberia and British Airways.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Mon, 3 May, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Tue, 27 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From 660 €, select.

St Louis.660 € per passenger.Departing Tue, 29 Sep, returning Wed, 21 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 29 Sep, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Wed, 21 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From 660 €, select.

St Louis.664 € per passenger.Departing Fri, 8 Jan, returning Fri, 22 Jan.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Fri, 8 Jan, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Fri, 22 Jan, arriving in Frankfurt am Main.Price includes taxes and charges.From 664 €, select.

St Louis.665 € per passenger.Departing Tue, 20 Jul, returning Sun, 1 Aug.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Frankfurt am Main on Tue, 20 Jul, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Sun, 1 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From 665 €, select.

St Louis.665 € per passenger.Departing Wed, 4 Nov, returning Sun, 8 Nov.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 4 Nov, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Sun, 8 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From 665 €, select.

St Louis.665 € per passenger.Departing Fri, 9 Jul, returning Tue, 13 Jul.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Frankfurt am Main on Fri, 9 Jul, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Tue, 13 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From 665 €, select.

St Louis.665 € per passenger.Departing Wed, 25 Nov, returning Sun, 6 Dec.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Frankfurt am Main on Wed, 25 Nov, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Sun, 6 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From 665 €, select.

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 October.

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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.

St Louis

20km from central St Louis

ClosestCheapest

from 658 €

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Belleville

32km from central St Louis

from 1.087 €

Search flights

Frankfurt to St Louis: Flight information

The things to know before you go.

Cheapest flight found	658 €
Cheapest month to fly	March
Average flight time	9 hrs, 55 mins
Most popular airline	United
Average flights per week	9

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

How much are return flights from Frankfurt am Main to St Louis?

The best price we found for a return flight from Frankfurt am Main to St Louis is 658 €. 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.

How long does it take to fly from Frankfurt am Main to St Louis?

9 hours and 55 minutes is the average flight time from Frankfurt am Main to St Louis.

Which airlines fly direct from Frankfurt am Main to St Louis?

United and Lufthansa fly direct from Frankfurt am Main to St Louis.

How many flights are there a week from Frankfurt am Main to St Louis?

As of September 2026, there are 9 flights per week flying from Frankfurt am Main to St Louis.

When is the cheapest time to fly from Frankfurt am Main to St Louis?

The cheapest month to fly from Frankfurt am Main to St Louis is usually March.

Which upcoming date is cheapest to fly from Frankfurt am Main Airport to St Louis Airport on?

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 Monday, 29 March 2027.

Can I get a direct flight from Frankfurt am Main Airport to St Louis Airport?

Yes – the average flight time is 9 hours and 55 minutes.

How can I find the best flight deal to St Louis?

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.

When is the best time to book flights to St Louis?

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.

Which is the cheapest airline to fly from Frankfurt am Main Airport to St Louis with?

Currently, Iberia and Lufthansa offer the cheapest flight tickets to St Louis.

Travelling from Frankfurt am Main Airport (FRA) to St Louis Airport (STL): what you need to know

Book a direct flight from Frankfurt am Main Airport to St Louis Airport and you'll be travelling for an average of 9 hours 55 minutes.
St Louis is seven hours behind Frankfurt and is in the UTC-6 timezone.
You can choose from four weekly Frankfurt am Main Airport to St Louis Airport flights. The 10:40 departure with Lufthansa is the earliest flight available. Lufthansa operates the latest service of the day at 10:45.
Your FRA to STL flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
During popular months like September, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during peak periods in general.
Lufthansa offers direct flights from Frankfurt am Main Airport to St Louis Airport. Book with this popular carrier, then get ready to discover the sights in St Louis — and maybe even more of the United States if time allows.
The airline with the highest passenger demand on this route is Lufthansa.
Lufthansa is the most punctual carrier offering FRA to STL flights. A dependable 80.77% of its departures on this route arrive on time.
If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Frankfurt am Main Airport to St Louis Airport. These are the top stopovers between FRA and STL:
- Chicago O'Hare International Airport
- Toronto Pearson International Airport
- Minneapolis St Paul Airport

Handy information about Frankfurt am Main Airport (FRA)

74% of flights that leave from Frankfurt am Main Airport land at their destination on schedule.
Central Frankfurt to Frankfurt am Main Airport is approximately 11 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're ride-sharing, catching a taxi or driving.
Expect a journey time of roughly 20 minutes on public transport.
Have an early flight from Frankfurt am Main Airport to St Louis Airport? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels close to FRA:

Arriving at St Louis Airport (STL)

If you're arriving on a late Frankfurt am Main Airport to St Louis Airport flight, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be tucked up in bed shortly after at one of these options near STL:
Travel at your own speed with a St Louis Airport rental car. Pick up a set of wheels from Hertz, Budget or Alamo and venture far and wide through St Louis and beyond.
Lock in the best deal by reserving your ride from St Louis Airport around one week before your travel date.

Getting from St Louis Airport (STL) to central St Louis

You'll find STL at 10701 Lambert International Blvd..
St Louis Airport is roughly 24 kilometres from the centre of St Louis. The drive time takes about 25 minutes.
It typically takes 30 minutes to get there by public transport.

When to fly to St Louis Airport (STL)

It's time to work out your trip dates for your flight from Frankfurt am Main Airport to St Louis Airport. July is the busiest month to visit St Louis. If you'd like a more laid-back vibe, go in March.
When booking your flight from Frankfurt am Main Airport to St Louis Airport, think about the type of weather you enjoy. July is the warmest month in St Louis, with the temperature ranging from 17ºC (63ºF) to 33ºC (91ºF).
If you want cooler conditions, look for a cheap ticket from FRA to STL in January. Temperatures average between -7ºC (19ºF) and 8ºC (46ºF) then.

Explore more of the United States

Chicago is just one of the many cities in the United States waiting to be explored once you've seen the sights of St Louis. Around 418 kilometres away to the north-east, its top attractions include Millennium Park, Art Institute of Chicago and Willis Tower.
If you want to check out another great destination in the United States, consider Indianapolis, about 370 kilometres east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among its highlights.