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Cheap flights from St. Louis to Frankfurt am Main from $465

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Frankfurt am Main departing on 8/9. 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 St. Louis to Frankfurt am Main

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 5:45 am
STL
-
FRA
12h 20m
1 stop
Multiple Airlines Logo
12:30 pm - 7:45 pm
FRA
-
STL
14h 15m
1 stop
$708Multiple Airlines
Tue, Sep 8 - Thu, Sep 17
Multiple Airlines Logo
8:20 am - 5:45 am
STL
-
FRA
14h 25m
1 stop
Multiple Airlines Logo
12:30 pm - 7:45 pm
FRA
-
STL
14h 15m
1 stop
$828Multiple Airlines
Sun, Sep 13 - Fri, Sep 18
British Airways Logo
9:38 am - 7:15 am
STL
-
FRA
14h 37m
1 stop
British Airways Logo
10:55 am - 5:54 pm
FRA
-
STL
13h 59m
1 stop
$876British Airways
Sun, Nov 1 - Sun, Nov 8
American Airlines Logo
7:00 am - 7:15 am
STL
-
FRA
17h 15m
1 stop
American Airlines Logo
10:55 am - 10:29 pm
FRA
-
STL
18h 34m
2 stops
$886American Airlines
Sun, Nov 1 - Sun, Nov 8
Scandinavian Airlines Logo
3:39 pm - 2:35 pm
STL
-
FRA
15h 56m
2 stops
Scandinavian Airlines Logo
3:20 pm - 8:38 pm
FRA
-
STL
36h 18m
2 stops
$896Scandinavian Airlines
Fri, Aug 21 - Fri, Aug 28
Scandinavian Airlines Logo
12:52 pm - 2:35 pm
STL
-
FRA
18h 43m
2 stops
Scandinavian Airlines Logo
3:20 pm - 8:38 pm
FRA
-
STL
36h 18m
2 stops
$897Scandinavian Airlines
Fri, Aug 21 - Fri, Aug 28
Virgin Atlantic Logo
11:51 am - 7:50 am
STL
-
FRA
12h 59m
1 stop
Virgin Atlantic Logo
10:40 am - 8:49 pm
FRA
-
STL
17h 09m
1 stop
$949Virgin Atlantic
Mon, Nov 2 - Tue, Nov 17
Scandinavian Airlines Logo
3:42 pm - 7:45 pm
STL
-
FRA
21h 03m
2 stops
Scandinavian Airlines Logo
3:20 pm - 8:50 pm
FRA
-
STL
36h 30m
2 stops
$998Scandinavian Airlines
Mon, Sep 14 - Fri, Sep 18
Scandinavian Airlines Logo
3:39 pm - 2:35 pm
STL
-
FRA
15h 56m
2 stops
Scandinavian Airlines Logo
3:20 pm - 11:31 pm
FRA
-
STL
39h 11m
2 stops
$999Scandinavian Airlines
Fri, Aug 21 - Fri, Aug 28
Multiple Airlines Logo
7:00 am - 5:45 am
STL
-
FRA
15h 45m
1 stop
Multiple Airlines Logo
12:30 pm - 7:45 pm
FRA
-
STL
14h 15m
1 stop
$1,006Multiple Airlines
Fri, Aug 14 - Fri, Aug 21

British Airways flights from St. Louis to Frankfurt am Main Airport

Our best British Airways deals on St. Louis to Frankfurt am Main Airport flight tickets
British Airways
May 13
STL12:27 pmLambert-St Louis
13h 18m
1 stop
FRA8:45 amFrankfurt am Main
May 15
FRA9:20 amFrankfurt am Main
17h 10m
1 stop
STL7:30 pmLambert-St Louis
$826
British Airways
Nov 1
STL9:38 amLambert-St Louis
14h 37m
1 stop
FRA7:15 amFrankfurt am Main
Nov 8
FRA10:55 amFrankfurt am Main
13h 59m
1 stop
STL5:54 pmLambert-St Louis
$876
British Airways
Nov 1
STL4:48 pmLambert-St Louis
17h 02m
2 stops
FRA4:50 pmFrankfurt am Main
Nov 8
FRA10:40 amFrankfurt am Main
28h 30m
2 stops
STL8:10 amLambert-St Louis
$1,075

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

Our best American Airlines deals on St. Louis to Frankfurt am Main Airport flight tickets
American Airlines
May 13
STL8:55 amLambert-St Louis
15h 25m
2 stops
FRA7:20 amFrankfurt am Main
May 15
FRA9:20 amFrankfurt am Main
17h 09m
2 stops
STL7:29 pmLambert-St Louis
$836
American Airlines
Nov 1
STL7:00 amLambert-St Louis
17h 15m
1 stop
FRA7:15 amFrankfurt am Main
Nov 8
FRA10:55 amFrankfurt am Main
18h 34m
2 stops
STL10:29 pmLambert-St Louis
$886
American Airlines
Oct 19
STL5:46 pmLambert-St Louis
14h 14m
2 stops
FRA3:00 pmFrankfurt am Main
Nov 13
FRA10:55 amFrankfurt am Main
15h 34m
1 stop
STL7:29 pmLambert-St Louis
$1,103

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Frankfurt am Main Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 9/8

10:25 am-5:45 am

1 stop12h 20m

Frankfurt am Main

Thu 9/17

12:30 pm-7:45 pm

1 stop14h 15m

$708

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/13

8:20 am-5:45 am

1 stop14h 25m

Frankfurt am Main

Fri 9/18

12:30 pm-7:45 pm

1 stop14h 15m

$828

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 11/1

9:38 am-7:15 am

1 stop14h 37m

Frankfurt am Main

Sun 11/8

10:55 am-5:54 pm

1 stop13h 59m

$876

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 11/1

7:00 am-7:15 am

1 stop17h 15m

Frankfurt am Main

Sun 11/8

10:55 am-10:29 pm

2 stops18h 34m

$886

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 8/21

3:39 pm-2:35 pm

2 stops15h 56m

Frankfurt am Main

Fri 8/28

3:20 pm-8:38 pm

2 stops36h 18m

$896

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 8/21

12:52 pm-2:35 pm

2 stops18h 43m

Frankfurt am Main

Fri 8/28

3:20 pm-8:38 pm

2 stops36h 18m

$897

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 11/2

11:51 am-7:50 am

1 stop12h 59m

Frankfurt am Main

Tue 11/17

10:40 am-8:49 pm

1 stop17h 09m

$949

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 9/14

3:42 pm-7:45 pm

2 stops21h 03m

Frankfurt am Main

Fri 9/18

3:20 pm-8:50 pm

2 stops36h 30m

$998

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 8/21

3:39 pm-2:35 pm

2 stops15h 56m

Frankfurt am Main

Fri 8/28

3:20 pm-11:31 pm

2 stops39h 11m

$999

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 8/14

7:00 am-5:45 am

1 stop15h 45m

Frankfurt am Main

Fri 8/21

12:30 pm-7:45 pm

1 stop14h 15m

$1,006

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Frankfurt am Main from

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

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 St. Louis and Frankfurt am Main Airport?

What is the cheapest month to fly to Frankfurt am Main Airport?

In general, March is the cheapest month to fly from St. Louis to Frankfurt am Main Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $929. If you aren’t able to travel to Frankfurt am Main Airport during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $940.

What is the cheapest day to depart on your flight to Frankfurt am Main Airport?

On average, the least expensive day to fly to Frankfurt am Main Airport from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $1,027. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Frankfurt am Main Airport on a Friday will generally be more expensive and average around $1,175. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

How far in advance should I book a flight from St. Louis to Frankfurt am Main Airport?

You are more likely to see cheaper flights to Frankfurt am Main Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main Airport for around $1,191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main Airport from St. Louis for as low as $934 on momondo.

Can stopping save me money on St. Louis to Frankfurt am Main Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Frankfurt am Main Airport flight.

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

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

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

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

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

Best Price Found

$510

Fastest flight time

8h 40m

Direct flights

Mon, Tue, Wed, Thu and Sat
The best one-way flight to Frankfurt am Main Airport from St. Louis in the past 72 hours is $510. The best round-trip flight deal from St. Louis to Frankfurt am Main Airport found on momondo in the last 72 hours is $1,076.
The fastest flight from St. Louis to Frankfurt am Main Airport takes 8h 40m
Direct flights go from St. Louis to Frankfurt am Main Airport on Monday, Tuesday, Wednesday, Thursday and Saturday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from St. Louis to Frankfurt am Main Airport

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

    There are 4576.9 mi between Lambert-St Louis and Frankfurt am Main. In terms of flight time, this usually takes a little over 8h 40m.

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

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

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

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

  • What documentation or ID do you need to fly to Frankfurt am Main Airport?

    The travel and health documents you'll need for your trip to Frankfurt am Main Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Frankfurt am Main Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from St. Louis to Frankfurt am Main Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $355Free CancellationRating
7.9
8,454 reviews
Search Delta flights
American AirlinesPriceFrom $390Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
British AirwaysPriceFrom $470Free CancellationRating
6.7
7,968 reviews
Search British Airways flights
United AirlinesPriceFrom $675Free CancellationRating
7.4
9,695 reviews
Search United Airlines flights
KLMPriceFrom $723Free CancellationRating
7.8
1,513 reviews
Search KLM flights
LufthansaPriceFrom $796Free CancellationRating
6.8
7,986 reviews
Search Lufthansa flights

  • United Airlines Flights From St. Louis to Frankfurt am Main Airport

    United Airlines flies from St. Louis to Frankfurt am Main Airport around 3 times per week, with 9,695 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from St. Louis to Frankfurt am Main Airport in the last 72 hours was $675 (round-trip), much lower than the average airfare cost of $1,184 for United Airlines flights on this route.

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

    Another popular option for St. Louis to Frankfurt am Main Airport flights is Lufthansa (6.8/10, 7,986 ratings). Lufthansa flies from St. Louis to Frankfurt am Main Airport around 3 times per week, with deals starting from $796 round-trip and rising to an average price of around $1,319.

Traveling to a place near Frankfurt am Main?

Book flights to Frankfurt am Main if you plan to visit one of these locations
Heidelberg
Baden-Baden
Wurzburg
Koblenz
Mainz
Trier
Darmstadt
Rothenburg ob der Tauber
Wiesbaden
Fulda
Heilbronn
Aschaffenburg
Kaiserslautern
Marburg
Nuerburg
Cochem
Ludwigsburg
Rüdesheim am Rhein
Bernkastel-Kues
Schwäbisch Hall

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Frankfurt am Main. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Frankfurt am Main from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between St. Louis and Frankfurt am Main by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Frankfurt am Main, momondo offers a useful price alert feature which will track prices for flights to Frankfurt am Main from St. Louis and alert you when they change.

An easier way to manage your Frankfurt am Main Airport trip

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