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Cheap flights from St. Louis to Frankfurt am Main from $501

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 5/25. 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

These are some of the best round-trip flight deals from St. Louis to Frankfurt am Main that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
7:19 am - 8:45 amSTL-FRA
18h 26m1 stop
American Airlines Logo
10:55 am - 5:19 pmFRA-STL
13h 24m1 stop
$763American Airlines
Find Deal
Tue, Oct 21 - Tue, Nov 4
American Airlines Logo
12:03 pm - 8:45 amSTL-FRA
13h 42m1 stop
American Airlines Logo
10:55 am - 9:41 pmFRA-STL
17h 46m2 stops
$767American Airlines
Find Deal
Tue, Oct 21 - Tue, Nov 4
Scandinavian Airlines Logo
1:30 pm - 2:40 pmSTL-FRA
18h 10m2 stops
Scandinavian Airlines Logo
3:15 pm - 11:39 pmFRA-STL
38h 24m2 stops
$779Scandinavian Airlines
Find Deal
Tue, Oct 14 - Thu, Oct 30
British Airways Logo
12:03 pm - 8:45 amSTL-FRA
13h 42m1 stop
British Airways Logo
10:45 am - 6:18 pmFRA-STL
14h 33m1 stop
$801British Airways
Find Deal
Tue, Oct 7 - Tue, Oct 14
Air Canada Logo
1:30 pm - 7:10 amSTL-FRA
10h 40m1 stop
Air Canada Logo
9:45 am - 2:18 pmFRA-STL
35h 33m2 stops
$815Air Canada
Find Deal
Mon, Oct 13 - Wed, Nov 5
Air Canada Logo
4:05 pm - 6:30 amSTL-FRA
31h 25m1 stop
Air Canada Logo
9:45 am - 2:18 pmFRA-STL
35h 33m2 stops
$822Air Canada
Find Deal
Sat, Oct 18 - Wed, Nov 5
United Airlines Logo
1:30 pm - 8:10 amSTL-FRA
11h 40m1 stop
United Airlines Logo
10:45 am - 1:55 pmFRA-STL
10h 10mnonstop
$828United Airlines
Find Deal
Wed, Oct 15 - Wed, Nov 5
United Airlines Logo
8:10 am - 6:30 amSTL-FRA
15h 20m1 stop
United Airlines Logo
10:45 am - 1:55 pmFRA-STL
10h 10mnonstop
$833United Airlines
Find Deal
Sun, Oct 19 - Wed, Nov 5
Lufthansa Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
$873Lufthansa
Find Deal
Wed, Oct 15 - Fri, Oct 24
Lufthansa Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
$876Lufthansa
Find Deal
Wed, Oct 8 - Wed, Oct 15

British Airways flights from St. Louis to Frankfurt am Main Airport

Our best British Airways deals on St. Louis to Frankfurt am Main Airport flight tickets
British Airways
Oct 7
STL12:03 pmLambert-St Louis
13h 42m
1 stop
FRA8:45 amFrankfurt am Main
Oct 14
FRA10:45 amFrankfurt am Main
14h 33m
1 stop
STL6:18 pmLambert-St Louis
British Airways
May 14
STL10:36 amLambert-St Louis
15h 09m
1 stop
FRA8:45 amFrankfurt am Main
May 30
FRA10:55 amFrankfurt am Main
14h 26m
1 stop
STL6:21 pmLambert-St Louis
British Airways
May 7
STL10:36 amLambert-St Louis
15h 09m
1 stop
FRA8:45 amFrankfurt am Main
May 14
FRA10:55 amFrankfurt am Main
14h 32m
1 stop
STL6:27 pmLambert-St Louis

Air Canada flights from St. Louis to Frankfurt am Main Airport

Our best Air Canada deals on St. Louis to Frankfurt am Main Airport flight tickets
Air Canada
Oct 13
STL1:30 pmLambert-St Louis
10h 40m
1 stop
FRA7:10 amFrankfurt am Main
Nov 5
FRA9:45 amFrankfurt am Main
35h 33m
2 stops
STL2:18 pmLambert-St Louis
Air Canada
Oct 18
STL4:05 pmLambert-St Louis
31h 25m
1 stop
FRA6:30 amFrankfurt am Main
Nov 5
FRA9:45 amFrankfurt am Main
35h 33m
2 stops
STL2:18 pmLambert-St Louis
Air Canada
Oct 7
STL1:30 pmLambert-St Louis
11h 40m
1 stop
FRA8:10 amFrankfurt am Main
Oct 14
FRA2:20 pmFrankfurt am Main
30h 59m
2 stops
STL2:19 pmLambert-St Louis

See travel insights to Frankfurt am Main from

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

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 Airport?

In general, November is the cheapest month to fly from St. Louis to Frankfurt am Main Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $864. If you aren’t able to travel to Frankfurt am Main Airport during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $933.

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

On average, the least expensive day to fly to Frankfurt am Main Airport from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,178. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Frankfurt am Main Airport on a Saturday will generally be more expensive and average around $1,374. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Frankfurt am Main Airport is in the morning. momondo users have found flights departing from St. Louis to Frankfurt am Main Airport in the morning for as low as $1,117. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Frankfurt am Main Airport is in the afternoon when prices are around $1,266.

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 Airport?

You are more likely to see cheaper flights to Frankfurt am Main Airport from St. Louis when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main Airport for around $1,176 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main Airport from St. Louis for as low as $960 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.

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

As of April 2025, prices for St. Louis to Frankfurt am Main Airport flights are approximately 55% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$501

Fastest flight time

8h 55m

Direct flights

Mon, Thu and Sat
The best one-way flight to Frankfurt am Main Airport from St. Louis in the past 72 hours is $501. The best round-trip flight deal from St. Louis to Frankfurt am Main Airport found on momondo in the last 72 hours is $763.
The fastest flight from St. Louis to Frankfurt am Main Airport takes 8h 55m
Direct flights go from St. Louis to Frankfurt am Main Airport on Monday, Thursday and Saturday. Airlines offering direct flights are: United Airlines and Lufthansa.

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

    There are 4576.9 mi between Lambert-St Louis and Frankfurt am Main. In terms of flight time, this usually takes a little over 8h 55m.

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

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

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

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

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

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

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

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


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

Compare and see reviews for airlines that fly from St. Louis to Frankfurt am Main Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $576Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $629Free CancellationRating
6.6
6,842 reviews
Search British Airways flights
United AirlinesPriceFrom $788Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
LufthansaPriceFrom $814Free CancellationRating
6.7
7,044 reviews
Search Lufthansa flights
KLMPriceFrom $877Free CancellationRating
7.8
1,334 reviews
Search KLM flights
DeltaPriceFrom $892Free CancellationRating
8.0
7,934 reviews
Search Delta flights
Air CanadaPriceFrom $921Free CancellationRating
7.0
9,244 reviews
Search Air Canada flights
  • United Airlines Flights From St. Louis to Frankfurt am Main Airport

    United Airlines flies from St. Louis to Frankfurt am Main Airport around 3 times per week, with 8,696 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from St. Louis to Frankfurt am Main Airport in the last 72 hours was $788 (round-trip), much lower than the average airfare cost of $1,161 for United Airlines flights on this route.

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

    Another popular option for St. Louis to Frankfurt am Main Airport flights is Lufthansa (6.7/10, 7,045 ratings). Lufthansa flies from St. Louis to Frankfurt am Main Airport around 3 times per week, with deals starting from $814 round-trip and rising to an average price of around $1,272.


Traveling to a place near Frankfurt am Main?

Book flights to Frankfurt am Main if you plan to visit one of these locations
Heidelberg
Wiesbaden
Mainz
Rothenburg ob der Tauber
Baden-Baden
Koblenz
Kaiserslautern
Darmstadt
Wurzburg
Trier
Heilbronn
Fulda
Cochem
Ludwigsburg
Bernkastel-Kues
Nuerburg
Bad Homburg
Marburg
Boppard
Homburg

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Frankfurt am Main. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo helps you find the best flight between St. Louis and Frankfurt am Main by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 simply researching potential flights to Frankfurt am Main, momondo offers a useful price alert feature which will track prices for flights to Frankfurt am Main from St. Louis and alert you when they change.


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1 adult
Mon 5/5
Mon 5/12

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