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Cheap flights from Frankfurt am Main Airport to St. Louis from $521

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Frankfurt am Main Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:15 am - 7:36 pmFRA  Frankfurt am Main-STL Lambert-St Louis
15h 21m1 stop Dallas/Fort Worth
British Airways Logo
9:35 pm - 9:45 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
17h 10m1 stop London Heathrow
$775British Airways
Thu, Mar 18 - Fri, Apr 2
British Airways Logo
10:15 am - 11:30 pmFRA  Frankfurt am Main-STL Lambert-St Louis
20h 15m1 stop Dallas/Fort Worth
British Airways Logo
1:33 pm - 10:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
13h 52m2 stops Boston Logan Intl London Heathrow
$776British Airways
Tue, Jan 19 - Tue, Jan 26
British Airways Logo
10:40 am - 7:30 pmFRA  Frankfurt am Main-STL Lambert-St Louis
15h 50m1 stop London Heathrow
British Airways Logo
2:36 pm - 1:40 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
16h 04m2 stops Chicago O'Hare Intl London Heathrow
$779British Airways
Thu, Apr 22 - Sat, May 22
British Airways Logo
10:55 am - 8:57 amFRA  Frankfurt am Main-STL Lambert-St Louis
29h 02m1 stop Dallas/Fort Worth
British Airways Logo
2:12 pm - 7:20 amSTL  Lambert-St Louis-FRA Frankfurt am Main
34h 08m1 stop Charlotte Douglas
$780British Airways
Wed, May 5 - Sat, May 15
Lufthansa Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
Lufthansa Logo
1:17 pm - 7:25 amSTL  Lambert-St Louis-FRA Frankfurt am Main
11h 08m1 stop Washington, D.C. Dulles Intl
$803Lufthansa
Fri, Nov 20 - Fri, Dec 4
Lufthansa Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
Lufthansa Logo
3:40 pm - 7:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 50mnonstop
$803Lufthansa
Fri, Nov 20 - Fri, Dec 4
Lufthansa Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
Lufthansa Logo
3:40 pm - 7:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 50mnonstop
$807Lufthansa
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
7:50 am - 3:38 pmFRA  Frankfurt am Main-STL Lambert-St Louis
14h 48m2 stops Zurich Chicago O'Hare Intl
United Airlines Logo
3:15 pm - 12:10 pmSTL  Lambert-St Louis-FRA Frankfurt am Main
13h 55m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$828United Airlines
Sat, Apr 3 - Fri, Apr 16
United Airlines Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
United Airlines Logo
8:30 am - 11:40 amSTL  Lambert-St Louis-FRA Frankfurt am Main
20h 10m1 stop Houston George Bush Intcntl
$831United Airlines
Fri, Nov 20 - Fri, Dec 4
United Airlines Logo
10:45 am - 1:45 pmFRA  Frankfurt am Main-STL Lambert-St Louis
10h 00mnonstop
United Airlines Logo
3:40 pm - 7:30 amSTL  Lambert-St Louis-FRA Frankfurt am Main
8h 50mnonstop
$831United Airlines
Fri, Nov 20 - Fri, Dec 4

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Delta flights from Frankfurt am Main Airport to St. Louis

Our best Delta deals on Frankfurt am Main Airport to St. Louis flight tickets
Delta
Nov 20
FRA11:45 amFrankfurt am Main
19h 11m
2 stops
STL11:56 pmLambert-St Louis
Dec 13
STL2:17 pmLambert-St Louis
17h 03m
2 stops
FRA2:20 pmFrankfurt am Main
$826
Delta
Nov 20
FRA11:45 amFrankfurt am Main
19h 11m
2 stops
STL11:56 pmLambert-St Louis
Dec 4
STL6:00 amLambert-St Louis
19h 40m
2 stops
FRA8:40 amFrankfurt am Main
$828
Delta
Nov 20
FRA11:45 amFrankfurt am Main
18h 37m
2 stops
STL11:22 pmLambert-St Louis
Dec 13
STL12:36 pmLambert-St Louis
12h 14m
1 stop
FRA7:50 amFrankfurt am Main
$830

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

Our best American Airlines deals on Frankfurt am Main Airport to St. Louis flight tickets
American Airlines
Dec 13
FRA10:15 amFrankfurt am Main
17h 12m
1 stop
STL8:27 pmLambert-St Louis
Jan 6
STL3:45 pmLambert-St Louis
17h 55m
2 stops
FRA4:40 pmFrankfurt am Main
$811
American Airlines
Feb 25
FRA6:30 amFrankfurt am Main
21h 16m
2 stops
STL8:46 pmLambert-St Louis
Mar 1
STL1:00 pmLambert-St Louis
12h 55m
1 stop
FRA8:55 amFrankfurt am Main
$814
American Airlines
Dec 13
FRA10:50 amFrankfurt am Main
19h 44m
2 stops
STL11:34 pmLambert-St Louis
Jan 6
STL11:53 amLambert-St Louis
24h 02m
2 stops
FRA6:55 pmFrankfurt am Main
$815

momondo Fare Finder

 
Use the filters below to find and compare flights from Frankfurt am Main Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Thu 3/18

10:15 am-7:36 pm

1 stop15h 21m

Lambert-St Louis

Fri 4/2

9:35 pm-9:45 pm

1 stop17h 10m

$775

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Tue 1/19

10:15 am-11:30 pm

1 stop20h 15m

Lambert-St Louis

Tue 1/26

1:33 pm-10:25 am

2 stops13h 52m

$776

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Thu 4/22

10:40 am-7:30 pm

1 stop15h 50m

Lambert-St Louis

Sat 5/22

2:36 pm-1:40 pm

2 stops16h 04m

$779

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Wed 5/5

10:55 am-8:57 am

1 stop29h 02m

Lambert-St Louis

Sat 5/15

2:12 pm-7:20 am

1 stop34h 08m

$780

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Fri 11/20

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Fri 12/4

1:17 pm-7:25 am

1 stop11h 08m

$803
Quickest round-trip

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Fri 11/20

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Fri 12/4

3:40 pm-7:30 am

Nonstop8h 50m

$803

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Wed 11/18

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Wed 11/25

3:40 pm-7:30 am

Nonstop8h 50m

$807

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Sat 4/3

7:50 am-3:38 pm

2 stops14h 48m

Lambert-St Louis

Fri 4/16

3:15 pm-12:10 pm

2 stops13h 55m

$828

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Fri 11/20

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Fri 12/4

8:30 am-11:40 am

1 stop20h 10m

$831

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Fri 11/20

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Fri 12/4

3:40 pm-7:30 am

Nonstop8h 50m

$831

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 St. Louis from

How to get the cheapest flight ticket from Frankfurt am Main Airport to St. Louis

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 Frankfurt am Main Airport and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $808 to $958.
The lowest price recently found on this route was $775.

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Frankfurt am Main Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $707. The month of September is another great option to travel to St. Louis, with average flight prices from Frankfurt am Main Airport averaging around $805.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $798. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,396. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest Frankfurt am Main to Lambert-St Louis flight route?

Fly from Frankfurt am Main to Lambert-St Louis for the best Frankfurt am Main - Lambert-St Louis flight prices

How far in advance should I book a flight from Frankfurt am Main Airport to St. Louis?

You are more likely to see cheaper flights to St. Louis from Frankfurt am Main Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $877 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Frankfurt am Main Airport for as low as $802 on momondo.

What cabin class options are available on Frankfurt am Main Airport to St. Louis flights?

There is only 1 cabin class available to choose from on Frankfurt am Main Airport to St. Louis 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 Frankfurt am Main Airport to St. Louis flights?

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

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

As of November 2026, prices for Frankfurt am Main Airport to St. Louis flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Frankfurt am Main Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Frankfurt am Main Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Frankfurt am Main Airport to St. Louis (FRA to STL) flight deals and tips

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

Best Price Found

$521

Fastest flight time

9h 45m

Direct flights

Mon, Wed, Thu, Fri and Sat

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Frankfurt am Main Airport in the past 72 hours is $521. The best round-trip flight deal from Frankfurt am Main Airport to St. Louis found on momondo in the last 72 hours is $775.
The fastest flight from Frankfurt am Main Airport to St. Louis takes 9h 45m
Direct flights go from Frankfurt am Main Airport to St. Louis on Monday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in St. Louis. From Frankfurt am Main Airport there are direct flights to Lambert-St Louis (STL).
Search flight deals

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

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

    There are 4576.9 mi between Frankfurt am Main and Lambert-St Louis. Flights usually cover this in 9h 45m, depending on flying conditions and air traffic around both airports.

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

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

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Frankfurt am Main Airport to St. Louis?

  • What is the most popular airline from Frankfurt am Main Airport to St. Louis?

Best airlines flying from Frankfurt am Main Airport to St. Louis

Compare and see reviews for airlines that fly from Frankfurt am Main Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $714Free CancellationRating
6.8
8,297 reviews
Search Lufthansa flights
United AirlinesPriceFrom $731Free CancellationRating
7.3
10,469 reviews
Search United Airlines flights

  • United Airlines Flights From Frankfurt am Main Airport to St. Louis

    Across 3 United Airlines flights from Frankfurt am Main Airport to St. Louis this week, the average price was $905, with the best United Airlines deals starting from $731 round-trip. 10,469 users have rated United Airlines on momondo, with an average score of 7.3/10.

  • Lufthansa Flights From Frankfurt am Main Airport to St. Louis

    Across 8,297 Lufthansa reviews on momondo, the average score is 6.8/10. Lufthansa flies from Frankfurt am Main Airport to St. Louis about 3 times each week, with ticket deals ranging from $714 to $860. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Collinsville
Farmington
Florissant
Festus
Hermann
Clayton
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

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

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

Can I find flights from Frankfurt am Main to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Frankfurt am Main with this policy.

How can momondo help me find flights from Frankfurt am Main to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Frankfurt am Main.

I’m not ready to book a flight from Frankfurt am Main to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Frankfurt am Main. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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