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.
Round-trip
1 adult
Economy
0 bags
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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.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Frankfurt am Main.
Cheap last minute flights
Planning a quick getaway from St. Louis to Frankfurt am Main? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Frankfurt am Main, so you can enjoy a seamless trip without layovers.
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![Scandinavian Airlines]()
Oct 15![Scandinavian Airlines]()
Oct 21
STL1:30 pmLambert-St Louis
18h 10m
2 stops
FRA2:40 pmFrankfurt am Main
FRA3:20 pmFrankfurt am Main
39h 19m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines![Scandinavian Airlines]()
Sep 3![Scandinavian Airlines]()
Sep 15
STL3:30 pmLambert-St Louis
21h 15m
2 stops
FRA7:45 pmFrankfurt am Main
FRA3:20 pmFrankfurt am Main
39h 19m
2 stops
STL11:39 pmLambert-St Louis
British Airways flights from St. Louis to Frankfurt am Main
Our best British Airways deals on St. Louis to Frankfurt am Main flight tickets
British Airways![British Airways]()
Oct 21![British Airways]()
Nov 4
STL12:03 pmLambert-St Louis
13h 42m
1 stop
FRA8:45 amFrankfurt am Main
FRA10:15 amFrankfurt am Main
15h 02m
1 stop
STL6:17 pmLambert-St Louis
British Airways![British Airways]()
Oct 21![British Airways]()
Nov 4
STL8:01 pmLambert-St Louis
14h 59m
2 stops
FRA6:00 pmFrankfurt am Main
FRA10:15 amFrankfurt am Main
15h 02m
1 stop
STL6:17 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
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
Prices
Airlines
Other information
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 $864. If you’re not able to fly to Frankfurt am Main in November, then January is your next best option. Flight prices from St. Louis to Frankfurt am Main during January average around $933.
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 Thursday when prices can be found for as low as $1,178. 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 $1,374.
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 $1,266. 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main 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 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.
What is the cheapest airline that flies from Lambert-St Louis to Frankfurt am Main?
Aer Lingus, Iberia, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Frankfurt am Main
What airlines fly to Frankfurt am Main?
Lufthansa, United Airlines and American Airlines are the top three most popular airlines that fly to Frankfurt am Main from St. Louis according to our data. Lufthansa is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Frankfurt am Main. Keep in mind that there are 7 different airlines that fly to Frankfurt am Main on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Frankfurt am Main on average per week?
As of May 2025, there are 6 flights per week flying from St. Louis to Frankfurt am Main. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.
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
Best Price Found | $501 |
|---|---|
Fastest flight time | 8h 55m |
Direct flights | Mon, Thu and Sat |
Airports in Frankfurt am Main | 1 airport |
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?
As of May 2025, there are 7 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $576 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $629 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $788 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $814 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $877 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $892 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $921 | Free Cancellation | Rating 7.0 9,252 reviews |
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.