Cheap flights from Frankfurt am Main Airport to St. Louis from $550
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Frankfurt am Main Airport to St. Louis departing on 9/24. 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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United Airlines flights from Frankfurt am Main Airport to St. Louis
Our best United Airlines deals on Frankfurt am Main Airport to St. Louis flight tickets
Lufthansa flights from Frankfurt am Main Airport to St. Louis
Our best Lufthansa deals on Frankfurt am Main Airport to St. Louis flight tickets
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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?
What is the cheapest month to fly to St. Louis?
In general, November 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 $609. The month of April is another great option to travel to St. Louis, with average flight prices from Frankfurt am Main Airport averaging around $620.
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 Thursday when prices can be found for as low as $669. 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 $963. 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 to St. Louis?
You are more likely to see cheaper flights to St. Louis from Frankfurt am Main Airport when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $729 when searching 9 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 $644 on momondo.
What cabin class options are available on Frankfurt am Main to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Frankfurt am Main to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Frankfurt am Main Airport to St. Louis flight prices changed over time?
As of May 2025, prices for Frankfurt am Main Airport to St. Louis flights are approximately 4% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Frankfurt am Main to Lambert-St Louis?
Aer Lingus, British Airways, and Lufthansa are the most popular carriers operating from Frankfurt am Main to Lambert-St Louis
What airlines fly to St. Louis?
United Airlines, Lufthansa and American Airlines are the top three most popular airlines that fly to St. Louis from Frankfurt am Main Airport according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Frankfurt am Main Airport to St. Louis on average per week?
As of May 2025, there are 6 flights per week flying from Frankfurt am Main Airport to St. Louis. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.
When to book flights from Frankfurt am Main Airport to St. Louis
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 | $550 |
|---|---|
Fastest flight time | 9h 50m |
Direct flights | Mon, Thu and Sat |
Airports in St. Louis | 1 airport |
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?
The number of operators available for flights from Frankfurt am Main Airport to Lambert-St Louis Airport is 4 as of May 2025.
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?
Based on momondo bookings for flights between Frankfurt am Main Airport and St. Louis, the leading plane model is Airbus A330-300, making up 84.78% of the total bookings. Other popular models include Airbus A319 with 8.30%, Airbus A320-100/200 with 3.81%, and De Havilland (Bombardier) DHC-8-400 Dash 8Q with 1.04%.
What is the most popular airline from Frankfurt am Main Airport to St. Louis?
Based on momondo bookings for flights between Frankfurt am Main Airport and St. Louis, the leading airline is United Airlines, making up 47% of the total bookings. Other popular airlines include Lufthansa with 37%, American Airlines with 10%, and British Airways with 7%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $537 | Free Cancellation | Rating 6.6 6,845 reviews | |||
| PriceFrom $566 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.4 8,696 reviews |
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 $712, with the best United Airlines deals starting from $582 round-trip. 8,696 users have rated United Airlines on momondo, with an average score of 7.4/10.
Lufthansa Flights From Frankfurt am Main Airport to St. Louis
Across 7,048 Lufthansa reviews on momondo, the average score is 6.7/10. Lufthansa flies from Frankfurt am Main Airport to St. Louis about 3 times each week, with ticket deals ranging from $579 to $805. 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 locationsWhy 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.