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Cheap flights from St. Louis to Frankfurt am Main from $302

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 2/9. 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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0 bags

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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
3:47 pm - 7:45 pm
STL
-
FRA
20h 58m
2 stops
Scandinavian Airlines Logo
3:15 pm - 8:41 pm
FRA
-
STL
36h 26m
2 stops
$770Scandinavian Airlines
Mon, Feb 23 - Wed, Mar 4
United Airlines Logo
1:14 pm - 1:05 pm
STL
-
FRA
17h 51m
2 stops
United Airlines Logo
5:05 pm - 12:22 pm
FRA
-
STL
26h 17m
2 stops
$855United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
1:14 pm - 6:35 am
STL
-
FRA
11h 21m
1 stop
United Airlines Logo
5:05 pm - 12:22 pm
FRA
-
STL
26h 17m
2 stops
$858United Airlines
Tue, Mar 24 - Tue, Mar 31
Scandinavian Airlines Logo
3:47 pm - 9:50 am
STL
-
FRA
35h 03m
2 stops
Scandinavian Airlines Logo
3:15 pm - 8:41 pm
FRA
-
STL
36h 26m
2 stops
$860Scandinavian Airlines
Mon, Feb 23 - Wed, Mar 4
British Airways Logo
2:33 pm - 6:15 pm
STL
-
FRA
20h 42m
2 stops
British Airways Logo
3:55 pm - 7:30 pm
FRA
-
STL
34h 35m
1 stop
$868British Airways
Wed, Apr 22 - Tue, Apr 28
British Airways Logo
11:46 am - 7:15 am
STL
-
FRA
13h 29m
1 stop
British Airways Logo
9:20 am - 5:01 pm
FRA
-
STL
14h 41m
1 stop
$870British Airways
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
12:11 pm - 10:15 am
STL
-
FRA
15h 04m
2 stops
Multiple Airlines Logo
10:55 am - 7:30 pm
FRA
-
STL
15h 35m
1 stop
$871Multiple Airlines
Sun, May 3 - Thu, May 7
Multiple Airlines Logo
11:15 am - 8:00 am
STL
-
FRA
13h 45m
2 stops
Multiple Airlines Logo
9:10 pm - 3:24 pm
FRA
-
STL
25h 14m
2 stops
$873Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
British Airways Logo
12:27 pm - 8:45 am
STL
-
FRA
13h 18m
1 stop
British Airways Logo
3:55 pm - 7:30 pm
FRA
-
STL
34h 35m
1 stop
$877British Airways
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
12:11 pm - 10:15 am
STL
-
FRA
15h 04m
2 stops
Multiple Airlines Logo
10:45 am - 10:14 pm
FRA
-
STL
18h 29m
2 stops
$881Multiple Airlines
Sun, May 3 - Thu, May 7

British Airways flights from St. Louis to Frankfurt am Main

Our best British Airways deals on St. Louis to Frankfurt am Main flight tickets
British Airways
Apr 22
STL2:33 pmLambert-St Louis
20h 42m
2 stops
FRA6:15 pmFrankfurt am Main
Apr 28
FRA3:55 pmFrankfurt am Main
34h 35m
1 stop
STL7:30 pmLambert-St Louis
$868
British Airways
Mar 24
STL11:46 amLambert-St Louis
13h 29m
1 stop
FRA7:15 amFrankfurt am Main
Mar 31
FRA9:20 amFrankfurt am Main
14h 41m
1 stop
STL5:01 pmLambert-St Louis
$870
British Airways
Apr 22
STL12:27 pmLambert-St Louis
13h 18m
1 stop
FRA8:45 amFrankfurt am Main
Apr 28
FRA3:55 pmFrankfurt am Main
34h 35m
1 stop
STL7:30 pmLambert-St Louis
$877

Aer Lingus flights from St. Louis to Frankfurt am Main

Our best Aer Lingus deals on St. Louis to Frankfurt am Main flight tickets
Aer Lingus
Mar 29
STL12:05 pmLambert-St Louis
39h 10m
2 stops
FRA10:15 amFrankfurt am Main
Apr 12
FRA10:55 amFrankfurt am Main
19h 53m
2 stops
STL11:48 pmLambert-St Louis
$898
Aer Lingus
Mar 1
STL9:20 amLambert-St Louis
17h 45m
2 stops
FRA10:05 amFrankfurt am Main
Mar 8
FRA10:45 amFrankfurt am Main
19h 03m
2 stops
STL11:48 pmLambert-St Louis
$918
Aer Lingus
Mar 31
STL12:05 pmLambert-St Louis
15h 10m
2 stops
FRA10:15 amFrankfurt am Main
Apr 28
FRA10:55 amFrankfurt am Main
19h 53m
2 stops
STL11:48 pmLambert-St Louis
$920

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Frankfurt am Main 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 February 3, 2026.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

3:47 pm-7:45 pm

2 stops20h 58m

Frankfurt am Main

Wed 3/4

3:15 pm-8:41 pm

2 stops36h 26m

$770

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 3/24

1:14 pm-1:05 pm

2 stops17h 51m

Frankfurt am Main

Tue 3/31

5:05 pm-12:22 pm

2 stops26h 17m

$855

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 3/24

1:14 pm-6:35 am

1 stop11h 21m

Frankfurt am Main

Tue 3/31

5:05 pm-12:22 pm

2 stops26h 17m

$858

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

3:47 pm-9:50 am

2 stops35h 03m

Frankfurt am Main

Wed 3/4

3:15 pm-8:41 pm

2 stops36h 26m

$860

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/22

2:33 pm-6:15 pm

2 stops20h 42m

Frankfurt am Main

Tue 4/28

3:55 pm-7:30 pm

1 stop34h 35m

$868

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 3/24

11:46 am-7:15 am

1 stop13h 29m

Frankfurt am Main

Tue 3/31

9:20 am-5:01 pm

1 stop14h 41m

$870

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/3

12:11 pm-10:15 am

2 stops15h 04m

Frankfurt am Main

Thu 5/7

10:55 am-7:30 pm

1 stop15h 35m

$871

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/22

11:15 am-8:00 am

2 stops13h 45m

Frankfurt am Main

Tue 4/28

9:10 pm-3:24 pm

2 stops25h 14m

$873

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/22

12:27 pm-8:45 am

1 stop13h 18m

Frankfurt am Main

Tue 4/28

3:55 pm-7:30 pm

1 stop34h 35m

$877

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/3

12:11 pm-10:15 am

2 stops15h 04m

Frankfurt am Main

Thu 5/7

10:45 am-10:14 pm

2 stops18h 29m

$881

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

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?

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

In general, August is the cheapest month to fly from St. Louis to Frankfurt am Main. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $986. If you’re not able to fly to Frankfurt am Main in August, then November is your next best option. Flight prices from St. Louis to Frankfurt am Main during November average around $987.

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

The cheapest day to depart on your flight to Frankfurt am Main is on a Tuesday when prices can be found for as low as $864. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,223.

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?

You are more likely to see cheaper flights to Frankfurt am Main from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main for around $1,183 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main 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.

Cheap St. Louis to Frankfurt am Main flight deals and tips

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

Fastest flight time

8h 40m

Direct flights

Mon, Tue, Thu and Sat

Airports in Frankfurt am Main

2 airports
The fastest flight from St. Louis to Frankfurt am Main takes 8h 40m
Direct flights go from St. Louis to Frankfurt am Main on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.
There are 2 airports in Frankfurt am Main. From St. Louis there are direct flights to Frankfurt am Main (FRA).
Search flight deals

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

    Frankfurt am Main is 4579.0 mi away from Lambert-St Louis. Typically, this will take 8h 40m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

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

    The travel and health documents you'll need for your trip to Frankfurt am Main 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Frankfurt am Main

Compare and see reviews for airlines that fly from St. Louis to Frankfurt am Main with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $390Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
DeltaPriceFrom $610Free CancellationRating
7.9
8,135 reviews
Search Delta flights
British AirwaysPriceFrom $648Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
United AirlinesPriceFrom $739Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
LufthansaPriceFrom $816Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
KLMPriceFrom $841Free CancellationRating
7.7
1,448 reviews
Search KLM flights
Air CanadaPriceFrom $921Free CancellationRating
7.1
10,676 reviews
Search Air Canada flights

Why use momondo?

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

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

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?

Once all potential St. Louis to Frankfurt am Main flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 not ready to book a flight from St. Louis to Frankfurt am Main now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Frankfurt am Main and let you know when they change.

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Find better results for your trip to Germany

Fly into one of these airports located in Frankfurt am Main

Airports listed have a maximum distance of 63.9 mi from Frankfurt am Main
Frankfurt am Main Airport
Frankfurt-Hahn Airport