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Cheap flights from Frankfurt am Main Airport to St. Louis from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Frankfurt am Main Airport to St. Louis departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Frankfurt am Main Airport to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Frankfurt am Main Airport to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
8:20 am - 11:32 pmFRA-STL
22h 12m2 stops
4:45 pm - 7:25 amSTL-FRA
8h 40mnonstop
Fri, Mar 7 - Sun, Mar 23
6:40 am - 3:30 pmFRA-STL
15h 50m2 stops
1:30 pm - 9:20 amSTL-FRA
12h 50m1 stop
$560United Airlines
Find Deal
Fri, Jun 13 - Fri, Jul 18
5:10 pm - 3:06 pmFRA-STL
27h 56m1 stop
3:40 pm - 12:30 pmSTL-FRA
13h 50m2 stops
$561United Airlines
Find Deal
Mon, Mar 24 - Sun, Apr 6
9:15 am - 5:11 pmFRA-STL
14h 56m2 stops
5:33 pm - 9:55 amSTL-FRA
10h 22m1 stop
$562Lufthansa
Find Deal
Fri, Mar 7 - Sun, Mar 23
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
1:10 pm - 10:05 amSTL-FRA
13h 55m2 stops
$565United Airlines
Find Deal
Sun, Apr 20 - Fri, May 9
10:45 am - 1:55 pmFRA-STL
10h 10mnonstop
5:33 pm - 2:10 pmSTL-FRA
14h 37m1 stop
$569Lufthansa
Find Deal
Fri, Mar 7 - Sun, Mar 23
7:05 am - 8:51 pmFRA-STL
20h 46m2 stops
2:02 pm - 4:50 pmSTL-FRA
20h 48m2 stops
$590British Airways
Find Deal
Fri, Mar 7 - Sun, Mar 23
10:50 am - 7:30 pmFRA-STL
14h 40m1 stop
11:39 am - 8:45 amSTL-FRA
14h 06m1 stop
$592Finnair
Find Deal
Tue, Mar 25 - Tue, Apr 1
7:05 am - 5:59 pmFRA-STL
17h 54m2 stops
5:37 pm - 4:50 pmSTL-FRA
17h 13m2 stops
$597British Airways
Find Deal
Fri, Mar 7 - Sun, Mar 23
10:15 am - 8:56 pmFRA-STL
17h 41m2 stops
3:40 pm - 9:55 amSTL-FRA
11h 15m1 stop
$699Air Canada
Find Deal
Fri, Apr 18 - Fri, Apr 25

United Airlines flights from Frankfurt am Main Airport to St. Louis

Our best United Airlines deals on Frankfurt am Main Airport to St. Louis flight tickets
United Airlines
Jun 13
FRA6:40 amFrankfurt am Main
15h 50m
2 stops
STL3:30 pmLambert-St Louis
Jul 18
STL1:30 pmLambert-St Louis
12h 50m
1 stop
FRA9:20 amFrankfurt am Main
United Airlines
Mar 24
FRA5:10 pmFrankfurt am Main
27h 56m
1 stop
STL3:06 pmLambert-St Louis
Apr 6
STL3:40 pmLambert-St Louis
13h 50m
2 stops
FRA12:30 pmFrankfurt am Main
United Airlines
Apr 20
FRA10:40 amFrankfurt am Main
9h 50m
STL1:30 pmLambert-St Louis
May 9
STL1:10 pmLambert-St Louis
13h 55m
2 stops
FRA10:05 amFrankfurt am Main

Lufthansa flights from Frankfurt am Main Airport to St. Louis

Our best Lufthansa deals on Frankfurt am Main Airport to St. Louis flight tickets
Lufthansa
Mar 7
FRA9:15 amFrankfurt am Main
14h 56m
2 stops
STL5:11 pmLambert-St Louis
Mar 23
STL5:33 pmLambert-St Louis
10h 22m
1 stop
FRA9:55 amFrankfurt am Main
Lufthansa
Mar 7
FRA9:15 amFrankfurt am Main
14h 56m
2 stops
STL5:11 pmLambert-St Louis
Mar 23
STL4:45 pmLambert-St Louis
8h 40m
FRA7:25 amFrankfurt am Main
Lufthansa
Mar 7
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
Mar 23
STL5:33 pmLambert-St Louis
14h 37m
1 stop
FRA2:10 pmFrankfurt am Main

See travel insights to St. Louis from

How to get the cheapest flight ticket from Frankfurt am Main Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Frankfurt am Main Airport and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, November is the cheapest month to fly from Frankfurt am Main Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $613. The month of May is another great option to travel to St. Louis, with average flight prices from Frankfurt am Main Airport averaging around $616.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $669. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,074. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Frankfurt am Main Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $835 when looking at flights departing in the morning. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $835 per ticket.

What is the cheapest Frankfurt am Main to Lambert-St Louis flight route?

Fly from Frankfurt am Main to Lambert-St Louis for the best Frankfurt am Main - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Frankfurt am Main Airport when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $719 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Frankfurt am Main Airport for as low as $647 on momondo.

What cabin class options are available on Frankfurt am Main to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Frankfurt am Main to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Frankfurt am Main Airport to St. Louis flight prices changed over time?

As of February 2025, prices for Frankfurt am Main Airport to St. Louis flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Frankfurt am Main Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Frankfurt am Main Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Frankfurt am Main Airport to St. Louis (FRA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Frankfurt am Main Airport to St. Louis

Best Price Found

$347

Fastest flight time

9h 50m

Direct flights

Mon, Thu and Sat

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Frankfurt am Main Airport in the past 72 hours is $347. The best round-trip flight deal from Frankfurt am Main Airport to St. Louis found on momondo in the last 72 hours is $541.
The fastest flight from Frankfurt am Main Airport to St. Louis takes 9h 50m
Direct flights go from Frankfurt am Main Airport to St. Louis on Monday, Thursday and Saturday. Airlines offering direct flights are: United Airlines and Lufthansa.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Frankfurt am Main to Lambert-St Louis by plane?

    There are 4576.9 mi between Frankfurt am Main and Lambert-St Louis. Flights usually cover this in 9h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Frankfurt am Main Airport to Lambert-St Louis Airport?

    Prices for flights from Frankfurt am Main Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Frankfurt am Main Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Frankfurt am Main Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Frankfurt am Main Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Frankfurt am Main Airport to St. Louis?

  • What is the most popular airline from Frankfurt am Main Airport to St. Louis?


Best airlines flying from Frankfurt am Main Airport to St. Louis

Compare and see reviews for airlines that fly from Frankfurt am Main Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $426Free CancellationRating
8.0
8,191 reviews
Search Delta flights
IberiaPriceFrom $434Free CancellationRating
7.0
2,641 reviews
Search Iberia flights
British AirwaysPriceFrom $549Free CancellationRating
6.6
6,754 reviews
Search British Airways flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
8,746 reviews
Search United Airlines flights
American AirlinesPriceFrom $566Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $579Free CancellationRating
6.7
6,984 reviews
Search Lufthansa flights
  • United Airlines Flights From Frankfurt am Main Airport to St. Louis

    Across 3 United Airlines flights from Frankfurt am Main Airport to St. Louis this week, the average price was $777, with the best United Airlines deals starting from $560 round-trip. 8,746 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Lufthansa Flights From Frankfurt am Main Airport to St. Louis

    Across 6,984 Lufthansa reviews on momondo, the average score is 6.7/10. Lufthansa flies from Frankfurt am Main Airport to St. Louis about 3 times each week, with ticket deals ranging from $579 to $812. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
Litchfield
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Frankfurt am Main to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Frankfurt am Main to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Frankfurt am Main to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Frankfurt am Main with this policy.

How can momondo help me find flights from Frankfurt am Main to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Frankfurt am Main.

I’m not ready to book a flight from Frankfurt am Main to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Frankfurt am Main. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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