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Cheap flights from St. Louis to Frankfurt am Main from $350

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 11/13. 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
1:57 pm - 3:50 pmSTL-FRA
18h 53m2 stops
Multiple Airlines Logo
8:30 pm - 11:40 pmFRA-STL
34h 10m2 stops
$711Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Scandinavian Airlines Logo
1:30 pm - 2:35 pmSTL-FRA
18h 05m2 stops
Scandinavian Airlines Logo
3:20 pm - 11:38 pmFRA-STL
39h 18m2 stops
$749Scandinavian Airlines
Find Deal
Thu, Apr 16 - Sat, Apr 25
Lufthansa Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
$829Lufthansa
Find Deal
Wed, Apr 1 - Fri, Apr 10
Lufthansa Logo
5:18 pm - 2:05 pmSTL-FRA
13h 47m1 stop
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
$838Lufthansa
Find Deal
Wed, Apr 1 - Fri, Apr 10
United Airlines Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
United Airlines Logo
9:55 am - 4:40 pmFRA-STL
37h 45m2 stops
$839United Airlines
Find Deal
Wed, Apr 1 - Fri, Apr 10
United Airlines Logo
6:30 pm - 7:10 amSTL-FRA
30h 40m2 stops
United Airlines Logo
9:55 am - 4:40 pmFRA-STL
37h 45m2 stops
$844United Airlines
Find Deal
Sat, Mar 28 - Tue, Apr 7
Air Canada Logo
4:05 pm - 5:30 amSTL-FRA
31h 25m1 stop
Air Canada Logo
9:55 am - 12:20 pmFRA-STL
33h 25m2 stops
$845Air Canada
Find Deal
Sat, Mar 28 - Tue, Apr 7
Air Canada Logo
4:05 pm - 5:30 amSTL-FRA
31h 25m1 stop
Air Canada Logo
9:55 am - 12:20 pmFRA-STL
33h 25m2 stops
$846Air Canada
Find Deal
Sat, Mar 28 - Tue, Apr 7
Air Canada Logo
9:30 am - 8:10 amSTL-FRA
15h 40m2 stops
Air Canada Logo
5:05 pm - 3:21 pmFRA-STL
29h 16m2 stops
$850Air Canada
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Wed, Apr 1 - Fri, Apr 10
KLM Logo
5:45 pm - 8:50 amSTL-FRA
33h 05m1 stop
KLM Logo
10:40 am - 11:40 pmFRA-STL
20h 00m1 stop
$874KLM
Find Deal
Sat, Mar 28 - Tue, Apr 7

Scandinavian Airlines flights from St. Louis to Frankfurt am Main

Our best Scandinavian Airlines deals on St. Louis to Frankfurt am Main flight tickets
Scandinavian Airlines
Apr 16
STL1:30 pmLambert-St Louis
18h 05m
2 stops
FRA2:35 pmFrankfurt am Main
Apr 25
FRA3:20 pmFrankfurt am Main
39h 18m
2 stops
STL11:38 pmLambert-St Louis
$749
Find similar
Scandinavian Airlines
Apr 16
STL1:30 pmLambert-St Louis
23h 15m
2 stops
FRA7:45 pmFrankfurt am Main
Apr 25
FRA7:00 amFrankfurt am Main
23h 38m
3 stops
STL11:38 pmLambert-St Louis
$908
Find similar
Scandinavian Airlines
Nov 16
STL11:39 amLambert-St Louis
19h 51m
2 stops
FRA2:30 pmFrankfurt am Main
Nov 21
FRA3:15 pmFrankfurt am Main
37h 43m
2 stops
STL9:58 pmLambert-St Louis
$944
Find similar

Delta flights from St. Louis to Frankfurt am Main

Our best Delta deals on St. Louis to Frankfurt am Main flight tickets
Delta
Mar 14
STL5:00 pmLambert-St Louis
33h 40m
1 stop
FRA8:40 amFrankfurt am Main
Mar 22
FRA10:40 amFrankfurt am Main
28h 24m
2 stops
STL9:04 amLambert-St Louis
$927
Find similar
Delta
Mar 12
STL6:00 amLambert-St Louis
20h 40m
1 stop
FRA8:40 amFrankfurt am Main
Mar 22
FRA10:40 amFrankfurt am Main
28h 24m
2 stops
STL9:04 amLambert-St Louis
$971
Find similar
Delta
Mar 12
STL7:30 amLambert-St Louis
18h 20m
2 stops
FRA7:50 amFrankfurt am Main
Mar 21
FRA10:40 amFrankfurt am Main
30h 10m
2 stops
STL10:50 amLambert-St Louis
$984
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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 October 23, 2025.
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 12/8

1:57 pm-3:50 pm

2 stops18h 53m

Frankfurt am Main

Sat 12/13

8:30 pm-11:40 pm

2 stops34h 10m

$711

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 4/16

1:30 pm-2:35 pm

2 stops18h 05m

Frankfurt am Main

Sat 4/25

3:20 pm-11:38 pm

2 stops39h 18m

$749

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/1

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Fri 4/10

10:40 am-1:30 pm

Nonstop9h 50m

$829

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/1

5:18 pm-2:05 pm

1 stop13h 47m

Frankfurt am Main

Fri 4/10

10:40 am-1:30 pm

Nonstop9h 50m

$838

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/1

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Fri 4/10

9:55 am-4:40 pm

2 stops37h 45m

$839

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 3/28

6:30 pm-7:10 am

2 stops30h 40m

Frankfurt am Main

Tue 4/7

9:55 am-4:40 pm

2 stops37h 45m

$844

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 3/28

4:05 pm-5:30 am

1 stop31h 25m

Frankfurt am Main

Tue 4/7

9:55 am-12:20 pm

2 stops33h 25m

$845

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 3/28

4:05 pm-5:30 am

1 stop31h 25m

Frankfurt am Main

Tue 4/7

9:55 am-12:20 pm

2 stops33h 25m

$846

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/1

9:30 am-8:10 am

2 stops15h 40m

Frankfurt am Main

Fri 4/10

5:05 pm-3:21 pm

2 stops29h 16m

$850

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 3/28

5:45 pm-8:50 am

1 stop33h 05m

Frankfurt am Main

Tue 4/7

10:40 am-11:40 pm

1 stop20h 00m

$874

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, November 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 $980. If you’re not able to fly to Frankfurt am Main in November, then October is your next best option. Flight prices from St. Louis to Frankfurt am Main during October average around $1,005.

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 Wednesday when prices can be found for as low as $1,149. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 $1,245.

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

Flying to Frankfurt am Main from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,117 when looking at flights departing in the morning. Flights to Frankfurt am Main are more costly in the afternoon, with an average ticket price of $1,198. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,198 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 $975 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, Thu and Sat

Airports in Frankfurt am Main

1 airport
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, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Frankfurt am Main: 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 55m 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 $488Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
DeltaPriceFrom $610Free CancellationRating
7.9
7,982 reviews
Search Delta flights
British AirwaysPriceFrom $706Free CancellationRating
6.7
7,468 reviews
Search British Airways flights
United AirlinesPriceFrom $778Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
LufthansaPriceFrom $783Free CancellationRating
6.8
7,518 reviews
Search Lufthansa flights
KLMPriceFrom $841Free CancellationRating
7.7
1,405 reviews
Search KLM flights
Air CanadaPriceFrom $921Free CancellationRating
7.1
10,350 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