Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Frankfurt am Main from $315

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap round-trip flights

United Airlines Logo
11:45 am - 6:35 amSTL-FRA
11h 50m1 stop
United Airlines Logo
9:45 am - 11:20 amFRA-STL
32h 35m2 stops
$633United Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 11
Air Canada Logo
4:15 pm - 7:25 amSTL-FRA
32h 10m2 stops
Air Canada Logo
9:45 am - 3:21 pmFRA-STL
36h 36m2 stops
$635Air Canada
Find Deal
Mon, Dec 1 - Thu, Dec 11
Lufthansa Logo
6:43 pm - 2:00 pmSTL-FRA
12h 17m1 stop
Lufthansa Logo
10:45 am - 1:55 pmFRA-STL
10h 10mnonstop
$661Lufthansa
Find Deal
Fri, Nov 14 - Wed, Nov 26
Lufthansa Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
$670Lufthansa
Find Deal
Wed, Oct 15 - Fri, Oct 24
Delta Logo
5:45 pm - 4:40 pmSTL-FRA
15h 55m2 stops
Delta Logo
7:05 am - 4:47 pmFRA-STL
16h 42m2 stops
$694Delta
Find Deal
Mon, Dec 1 - Fri, Dec 12
Delta Logo
2:18 pm - 4:40 pmSTL-FRA
19h 22m2 stops
Delta Logo
10:40 am - 8:44 amFRA-STL
29h 04m2 stops
$709Delta
Find Deal
Tue, Nov 11 - Fri, Nov 28
British Airways Logo
12:20 pm - 8:45 amSTL-FRA
13h 25m1 stop
British Airways Logo
6:40 am - 3:49 pmFRA-STL
16h 09m2 stops
$731British Airways
Find Deal
Sun, Aug 10 - Sun, Aug 24
British Airways Logo
5:55 pm - 8:15 pmSTL-FRA
19h 20m2 stops
British Airways Logo
8:20 pm - 4:07 pmFRA-STL
26h 47m2 stops
$785British Airways
Find Deal
Sat, Dec 6 - Fri, Dec 12
KLM Logo
2:18 pm - 9:50 amSTL-FRA
12h 32m1 stop
KLM Logo
11:00 am - 4:51 pmFRA-STL
12h 51m1 stop
$796KLM
Find Deal
Fri, Oct 10 - Sun, Oct 19
KLM Logo
11:20 am - 9:35 amSTL-FRA
15h 15m2 stops
KLM Logo
6:55 am - 3:58 pmFRA-STL
16h 03m2 stops
$873KLM
Find Deal
Thu, Nov 27 - Thu, Dec 11

Virgin Atlantic flights from St. Louis to Frankfurt am Main Airport

Our best Virgin Atlantic deals on St. Louis to Frankfurt am Main Airport flight tickets
Virgin Atlantic
Aug 10
STL2:15 pmLambert-St Louis
12h 35m
1 stop
FRA9:50 amFrankfurt am Main
Aug 24
FRA10:40 amFrankfurt am Main
14h 14m
1 stop
STL5:54 pmLambert-St Louis
Virgin Atlantic
Aug 10
STL10:30 amLambert-St Louis
16h 20m
1 stop
FRA9:50 amFrankfurt am Main
Aug 24
FRA10:40 amFrankfurt am Main
14h 14m
1 stop
STL5:54 pmLambert-St Louis
Virgin Atlantic
Aug 10
STL10:46 amLambert-St Louis
14h 54m
2 stops
FRA8:40 amFrankfurt am Main
Aug 24
FRA10:40 amFrankfurt am Main
17h 47m
1 stop
STL9:27 pmLambert-St Louis

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
Aug 10
STL12:20 pmLambert-St Louis
13h 25m
1 stop
FRA8:45 amFrankfurt am Main
Aug 24
FRA6:40 amFrankfurt am Main
16h 09m
2 stops
STL3:49 pmLambert-St Louis
British Airways
Dec 6
STL5:55 pmLambert-St Louis
19h 20m
2 stops
FRA8:15 pmFrankfurt am Main
Dec 12
FRA8:20 pmFrankfurt am Main
26h 47m
2 stops
STL4:07 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 typical price of a round-trip flight between St. Louis and Frankfurt am Main Airport?

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 $859. If you aren’t able to travel to Frankfurt am Main Airport during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $934.

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 Monday. momondo users have found tickets for Monday departures for as low as $1,000. 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 $1,338. 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 $1,233.

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 $1,148 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 $935 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.

Can stopping save me money on St. Louis to Frankfurt am Main Airport flights?

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

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

As of June 2025, prices for St. Louis to Frankfurt am Main Airport flights are approximately 24% 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

$315

Fastest flight time

8h 40m

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 $315. The best round-trip flight deal from St. Louis to Frankfurt am Main Airport found on momondo in the last 72 hours is $633.
The fastest flight from St. Louis to Frankfurt am Main Airport takes 8h 40m
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 40m.

  • 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
DeltaPriceFrom $610Free CancellationRating
8.0
7,963 reviews
Search Delta flights
British AirwaysPriceFrom $629Free CancellationRating
6.6
7,028 reviews
Search British Airways flights
United AirlinesPriceFrom $775Free CancellationRating
7.4
8,801 reviews
Search United Airlines flights
LufthansaPriceFrom $813Free CancellationRating
6.8
7,152 reviews
Search Lufthansa flights
KLMPriceFrom $845Free CancellationRating
7.8
1,363 reviews
Search KLM flights
Air CanadaPriceFrom $921Free CancellationRating
7.1
9,563 reviews
Search Air Canada flights

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
Baden-Baden
Mainz
Rothenburg ob der Tauber
Trier
Koblenz
Darmstadt
Kaiserslautern
Wurzburg
Heilbronn
Nuerburg
Fulda
Ludwigsburg
Marburg
Cochem
Bad Homburg
Bernkastel-Kues
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.


An easier way to manage your Frankfurt am Main Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/22
Sun 6/29

Find better results for your trip to Frankfurt am Main

Popular cities in Germany

Popular flights according to clicks in the last 7 days on momondo