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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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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.
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

Our best British Airways deals on St. Louis to Frankfurt am Main 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

Our best American Airlines deals on St. Louis to Frankfurt am Main 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 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 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

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, April 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 $241. If you’re not able to fly to Frankfurt am Main in April, then June is your next best option. Flight prices from St. Louis to Frankfurt am Main during June average around $341.

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 Monday when prices can be found for as low as $1,027. 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 $1,175.

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?

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 $1,191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main from St. Louis for as low as $934 on momondo.

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, Wed, 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, Wednesday, 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

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

  • 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
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

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