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Cheap flights from St. Louis to Frankfurt am Main from $281

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 2/2. 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.
Scandinavian Airlines Logo
12:00 pm - 2:30 pm
STL
-
FRA
19h 30m2 stops
Scandinavian Airlines Logo
3:15 pm - 11:37 pm
FRA
-
STL
39h 22m2 stops
$736Scandinavian Airlines
Thu, Jan 29 - Wed, Feb 4
Scandinavian Airlines Logo
3:45 pm - 2:30 pm
STL
-
FRA
15h 45m2 stops
Scandinavian Airlines Logo
10:30 am - 11:37 pm
FRA
-
STL
20h 07m2 stops
$754Scandinavian Airlines
Mon, Jan 26 - Fri, Jan 30
Multiple Airlines Logo
4:05 pm - 7:55 pm
STL
-
FRA
20h 50m2 stops
Multiple Airlines Logo
7:00 am - 3:24 pm
FRA
-
STL
15h 24m2 stops
$763Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
Lufthansa Logo
1:11 pm - 10:05 am
STL
-
FRA
13h 54m2 stops
Lufthansa Logo
10:45 am - 1:55 pm
FRA
-
STL
10h 10mnonstop
$805Lufthansa
Mon, Feb 23 - Wed, Mar 4
Lufthansa Logo
11:39 am - 9:10 am
STL
-
FRA
14h 31m1 stop
Lufthansa Logo
10:45 am - 1:55 pm
FRA
-
STL
10h 10mnonstop
$808Lufthansa
Mon, Feb 23 - Wed, Mar 4
Multiple Airlines Logo
5:41 pm - 11:50 am
STL
-
FRA
12h 09m1 stop
Multiple Airlines Logo
9:00 am - 7:13 pm
FRA
-
STL
16h 13m2 stops
$810Multiple Airlines
Sun, Mar 15 - Wed, Mar 25
Lufthansa Logo
1:11 pm - 10:05 am
STL
-
FRA
13h 54m2 stops
Lufthansa Logo
11:30 am - 8:23 pm
FRA
-
STL
15h 53m1 stop
$814Lufthansa
Mon, Feb 23 - Wed, Mar 4
Lufthansa Logo
12:44 pm - 7:10 am
STL
-
FRA
11h 26m1 stop
Lufthansa Logo
12:50 pm - 9:40 pm
FRA
-
STL
15h 50m1 stop
$817Lufthansa
Mon, Feb 9 - Tue, Feb 17
Multiple Airlines Logo
12:44 pm - 10:00 am
STL
-
FRA
14h 16m2 stops
Multiple Airlines Logo
1:15 pm - 9:40 pm
FRA
-
STL
15h 25m2 stops
$841Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
Multiple Airlines Logo
12:15 pm - 7:40 am
STL
-
FRA
12h 25m1 stop
Multiple Airlines Logo
5:10 pm - 3:29 pm
FRA
-
STL
29h 19m1 stop
$843Multiple Airlines
Wed, Feb 18 - Wed, Feb 25

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

Our best Scandinavian Airlines deals on St. Louis to Frankfurt am Main Airport flight tickets
Scandinavian Airlines
Jan 29
STL12:00 pmLambert-St Louis
19h 30m
2 stops
FRA2:30 pmFrankfurt am Main
Feb 4
FRA3:15 pmFrankfurt am Main
39h 22m
2 stops
STL11:37 pmLambert-St Louis
$736
Find similar
Scandinavian Airlines
Jan 26
STL3:45 pmLambert-St Louis
15h 45m
2 stops
FRA2:30 pmFrankfurt am Main
Jan 30
FRA10:30 amFrankfurt am Main
20h 07m
2 stops
STL11:37 pmLambert-St Louis
$754
Find similar
Scandinavian Airlines
Feb 16
STL3:47 pmLambert-St Louis
15h 43m
2 stops
FRA2:30 pmFrankfurt am Main
Feb 25
FRA3:15 pmFrankfurt am Main
36h 26m
2 stops
STL8:41 pmLambert-St Louis
$856
Find similar

Lufthansa flights from St. Louis to Frankfurt am Main Airport

Our best Lufthansa deals on St. Louis to Frankfurt am Main Airport flight tickets
Lufthansa
Feb 23
STL1:11 pmLambert-St Louis
13h 54m
2 stops
FRA10:05 amFrankfurt am Main
Mar 4
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$805
Find similar
Lufthansa
Feb 23
STL11:39 amLambert-St Louis
14h 31m
1 stop
FRA9:10 amFrankfurt am Main
Mar 4
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$808
Find similar
Lufthansa
Feb 23
STL1:11 pmLambert-St Louis
13h 54m
2 stops
FRA10:05 amFrankfurt am Main
Mar 4
FRA11:30 amFrankfurt am Main
15h 53m
1 stop
STL8:23 pmLambert-St Louis
$814
Find similar

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 December 18, 2025.
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

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 1/29

12:00 pm-2:30 pm

2 stops19h 30m

Frankfurt am Main

Wed 2/4

3:15 pm-11:37 pm

2 stops39h 22m

$736

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 1/26

3:45 pm-2:30 pm

2 stops15h 45m

Frankfurt am Main

Fri 1/30

10:30 am-11:37 pm

2 stops20h 07m

$754

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 4/7

4:05 pm-7:55 pm

2 stops20h 50m

Frankfurt am Main

Wed 4/15

7:00 am-3:24 pm

2 stops15h 24m

$763

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

1:11 pm-10:05 am

2 stops13h 54m

Frankfurt am Main

Wed 3/4

10:45 am-1:55 pm

Nonstop10h 10m

$805

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

11:39 am-9:10 am

1 stop14h 31m

Frankfurt am Main

Wed 3/4

10:45 am-1:55 pm

Nonstop10h 10m

$808

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 3/15

5:41 pm-11:50 am

1 stop12h 09m

Frankfurt am Main

Wed 3/25

9:00 am-7:13 pm

2 stops16h 13m

$810

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

1:11 pm-10:05 am

2 stops13h 54m

Frankfurt am Main

Wed 3/4

11:30 am-8:23 pm

1 stop15h 53m

$814

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/9

12:44 pm-7:10 am

1 stop11h 26m

Frankfurt am Main

Tue 2/17

12:50 pm-9:40 pm

1 stop15h 50m

$817

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/9

12:44 pm-10:00 am

2 stops14h 16m

Frankfurt am Main

Tue 2/17

1:15 pm-9:40 pm

2 stops15h 25m

$841

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 2/18

12:15 pm-7:40 am

1 stop12h 25m

Frankfurt am Main

Wed 2/25

5:10 pm-3:29 pm

1 stop29h 19m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 cheapest month to fly to Frankfurt am Main Airport?

In general, November 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 $987. If you aren’t able to travel to Frankfurt am Main Airport during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,005.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,099. 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 $1,232. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Frankfurt am Main Airport is in the morning. momondo users have found flights departing from St. Louis to Frankfurt am Main Airport in the morning for as low as $1,117. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Frankfurt am Main Airport is in the afternoon when prices are around $1,188.

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 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 $1,194 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 $931 on momondo.

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

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

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

No. A direct flight is the cheapest option for a flight between St. Louis to Frankfurt am Main Airport.

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

As of December 2025, prices for St. Louis to Frankfurt am Main Airport flights are approximately 23% more expensive when compared to flights at the same time last year.

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

$563

Fastest flight time

8h 40m

Direct flights

Mon, Thu and Sat
The best one-way flight to Frankfurt am Main Airport from St. Louis in the past 72 hours is $563. The best round-trip flight deal from St. Louis to Frankfurt am Main Airport found on momondo in the last 72 hours is $959.
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, Thursday and Saturday. The only airline offering direct flights is Lufthansa.
Search flight deals

  • 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
American AirlinesPriceFrom $488Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
DeltaPriceFrom $610Free CancellationRating
7.9
8,009 reviews
Search Delta flights
British AirwaysPriceFrom $693Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
United AirlinesPriceFrom $776Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
LufthansaPriceFrom $821Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights
KLMPriceFrom $841Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Air CanadaPriceFrom $921Free CancellationRating
7.1
10,534 reviews
Search Air Canada 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 9,091 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 $776 (round-trip), much lower than the average airfare cost of $1,135 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, 7,634 ratings). Lufthansa flies from St. Louis to Frankfurt am Main Airport around 3 times per week, with deals starting from $821 round-trip and rising to an average price of around $1,339.

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
Koblenz
Mainz
Rothenburg ob der Tauber
Wurzburg
Trier
Fulda
Darmstadt
Kaiserslautern
Wiesbaden
Heilbronn
Aschaffenburg
Marburg
Cochem
Rüdesheim am Rhein
Bernkastel-Kues
Nuerburg
Schweinfurt
Bad Kissingen

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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