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Cheap flights from St. Louis to Frankfurt am Main from $326

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 5/10. 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
3:45 pm - 2:30 pm
STL
-
FRA
15h 45m2 stops
Scandinavian Airlines Logo
3:15 pm - 11:36 pm
FRA
-
STL
39h 21m2 stops
$630Scandinavian Airlines
Mon, Jan 26 - Fri, Feb 6
Scandinavian Airlines Logo
1:00 pm - 9:50 am
STL
-
FRA
37h 50m2 stops
Scandinavian Airlines Logo
3:15 pm - 11:37 pm
FRA
-
STL
39h 22m2 stops
$660Scandinavian Airlines
Sat, Jan 24 - Wed, Feb 4
Scandinavian Airlines Logo
1:00 pm - 9:50 am
STL
-
FRA
37h 50m2 stops
Scandinavian Airlines Logo
10:30 am - 11:37 pm
FRA
-
STL
20h 07m2 stops
$690Scandinavian Airlines
Sat, Jan 24 - Fri, Jan 30
Scandinavian Airlines Logo
3:45 pm - 9:50 am
STL
-
FRA
35h 05m2 stops
Scandinavian Airlines Logo
3:15 pm - 11:37 pm
FRA
-
STL
39h 22m2 stops
$750Scandinavian Airlines
Fri, Jan 23 - Thu, Feb 5
Multiple Airlines Logo
5:18 pm - 6:15 pm
STL
-
FRA
17h 57m2 stops
Multiple Airlines Logo
8:30 am - 3:16 pm
FRA
-
STL
37h 46m3 stops
$755Multiple Airlines
Tue, May 5 - Sun, May 10
Scandinavian Airlines Logo
3:45 pm - 7:45 pm
STL
-
FRA
21h 00m2 stops
Scandinavian Airlines Logo
10:30 am - 11:37 pm
FRA
-
STL
20h 07m2 stops
$780Scandinavian Airlines
Fri, Jan 23 - Fri, Jan 30
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
$803Lufthansa
Mon, Feb 23 - Wed, Mar 4
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
$804Lufthansa
Mon, Feb 23 - Wed, Mar 4
Lufthansa Logo
11:39 am - 7:25 am
STL
-
FRA
12h 46m1 stop
Lufthansa Logo
10:45 am - 1:55 pm
FRA
-
STL
10h 10mnonstop
$807Lufthansa
Mon, Feb 23 - Wed, Mar 4
Lufthansa Logo
6:40 pm - 7:05 pm
STL
-
FRA
17h 25m2 stops
Lufthansa Logo
7:20 am - 5:44 pm
FRA
-
STL
17h 24m2 stops
$810Lufthansa
Mon, Feb 9 - Thu, Feb 19

Lufthansa flights from St. Louis to Frankfurt am Main

Our best Lufthansa deals on St. Louis to Frankfurt am Main 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
$803
Find similar
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
$804
Find similar
Lufthansa
Feb 23
STL11:39 amLambert-St Louis
12h 46m
1 stop
FRA7:25 amFrankfurt am Main
Mar 4
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$807
Find similar

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
Jan 26
STL3:45 pmLambert-St Louis
15h 45m
2 stops
FRA2:30 pmFrankfurt am Main
Feb 6
FRA3:15 pmFrankfurt am Main
39h 21m
2 stops
STL11:36 pmLambert-St Louis
$630
Find similar
Scandinavian Airlines
Jan 24
STL1:00 pmLambert-St Louis
37h 50m
2 stops
FRA9:50 amFrankfurt am Main
Feb 4
FRA3:15 pmFrankfurt am Main
39h 22m
2 stops
STL11:37 pmLambert-St Louis
$660
Find similar
Scandinavian Airlines
Jan 24
STL1:00 pmLambert-St Louis
37h 50m
2 stops
FRA9:50 amFrankfurt am Main
Jan 30
FRA10:30 amFrankfurt am Main
20h 07m
2 stops
STL11:37 pmLambert-St Louis
$690
Find similar

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 December 10, 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 1/26

3:45 pm-2:30 pm

2 stops15h 45m

Frankfurt am Main

Fri 2/6

3:15 pm-11:36 pm

2 stops39h 21m

$630

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 1/24

1:00 pm-9:50 am

2 stops37h 50m

Frankfurt am Main

Wed 2/4

3:15 pm-11:37 pm

2 stops39h 22m

$660

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 1/24

1:00 pm-9:50 am

2 stops37h 50m

Frankfurt am Main

Fri 1/30

10:30 am-11:37 pm

2 stops20h 07m

$690

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 1/23

3:45 pm-9:50 am

2 stops35h 05m

Frankfurt am Main

Thu 2/5

3:15 pm-11:37 pm

2 stops39h 22m

$750

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 5/5

5:18 pm-6:15 pm

2 stops17h 57m

Frankfurt am Main

Sun 5/10

8:30 am-3:16 pm

3 stops37h 46m

$755

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 1/23

3:45 pm-7:45 pm

2 stops21h 00m

Frankfurt am Main

Fri 1/30

10:30 am-11:37 pm

2 stops20h 07m

$780

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

$803

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

$804

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/23

11:39 am-7:25 am

1 stop12h 46m

Frankfurt am Main

Wed 3/4

10:45 am-1:55 pm

Nonstop10h 10m

$807

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 2/9

6:40 pm-7:05 pm

2 stops17h 25m

Frankfurt am Main

Thu 2/19

7:20 am-5:44 pm

2 stops17h 24m

$810

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 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 $987. 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 Monday when prices can be found for as low as $1,124. 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 $1,232.

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 $1,192. 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 $1,190 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, Wed, 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, Wednesday, 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 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 $488Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $610Free CancellationRating
7.9
8,007 reviews
Search Delta flights
British AirwaysPriceFrom $693Free CancellationRating
6.7
7,573 reviews
Search British Airways flights
United AirlinesPriceFrom $776Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
LufthansaPriceFrom $824Free CancellationRating
6.8
7,619 reviews
Search Lufthansa flights
KLMPriceFrom $841Free CancellationRating
7.7
1,431 reviews
Search KLM flights
Air CanadaPriceFrom $921Free CancellationRating
7.1
10,513 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