What are the cheapest airlines flying from St. Louis to Frankfurt am Main Airport round-trip?

Lufthansa, at $727, was found to be the cheapest airline from St. Louis to Frankfurt am Main Airport.Alternate airlines to your destination round-trip include United Airlines and Scandinavian Airlines. Lufthansa is 36% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from St. Louis to Frankfurt am Main Airport one-way?

To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $328. Air Canada flights start at $490 while deals on United Airlines start at $493 one-way.

What is the cheapest day to fly from St. Louis to Frankfurt am Main Airport?

Travelers seeking maximum savings on their St. Louis to Frankfurt am Main Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Frankfurt am Main Airport ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Frankfurt am Main Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Frankfurt am Main Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the cheapest flights from St. Louis to Frankfurt am Main Airport?

Looking for the cheapest flight from St. Louis to Frankfurt am Main Airport? While on average our users pay $2,521, our data indicates the cheapest price to be $409. The most popular route (Lambert-St Louis - Frankfurt am Main), is priced around $727.

What are the most popular airlines that fly from St. Louis to Frankfurt am Main Airport?

The most popular airlines flying from St. Louis to Frankfurt am Main Airport are American Airlines, Air Canada and British Airways. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from St. Louis to Frankfurt am Main Airport?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Frankfurt am Main Airport. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 202% on this flight, we recommend booking at least 33 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Frankfurt am Main Airport from $1,505 1-2 weeks out and tickets from $2,031 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Frankfurt am Main Airport?

Flights from St. Louis to Frankfurt am Main Airport lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Frankfurt am Main Airport in November, with the cheapest ticket starting at $759.

What airport do you fly from for flights from St. Louis to Frankfurt am Main?

For a flight from St. Louis to Frankfurt am Main, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Frankfurt am Main per day. 7 airlines have flights to Frankfurt am Main from Lambert-St Louis on a regular basis.

Can I find deals for flights from St. Louis to Frankfurt that include hotel bookings?

Yes. In addition to deals on St. Louis to Frankfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Frankfurt?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Frankfurt.

Can I find deals for business class flights from St. Louis to Frankfurt?

Yes. Cheapflights offers flight deals from St. Louis to Frankfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$287+ Flights from St. Louis to Frankfurt am Main Airport

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Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in November or August, booked 32 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from St. Louis to Frankfurt

Round-trip from	$727 (CrystalTravel)
One-way from	$287 (Mytrip)
Popular in	June
Cheapest in	November
Average price	$1,386
Good round-trip deal	$836 or less
Good one-way deal	$538 or less

From Lambert-St Louis to Frankfurt am Main

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One-way flight from Lambert-St Louis to Frankfurt am Main

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Highest demand for flights based on searches. 20% potential increase in price ($298 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Lambert-St Louis to Frankfurt am Main.

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Price to beat on a one-way flight from Lambert-St Louis to Frankfurt am Main.

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Find flight deals from St. Louis to Frankfurt

Cheapest flights from St. Louis to Frankfurt
Explore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 8/203:30 pmSTL - FRA

Nonstop8h 55mLufthansa

Fri 9/1910:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 7/1

$727

Wed 7/235:00 amSTL - FRA

2 stops20h 10mMultiple Airlines

Fri 8/2210:40 amFRA - STL

Nonstop9h 50mMultiple Airlines

Deal found 7/2

$734

Wed 10/13:36 pmSTL - FRA

2 stops16h 04mScandinavian Airlines

Wed 10/153:20 pmFRA - STL

2 stops39h 19mScandinavian Airlines

Deal found 7/2

$735

Wed 7/239:15 amSTL - FRA

2 stops15h 55mAir Canada

Fri 8/229:55 amFRA - STL

1 stop17h 05mAir Canada

Deal found 7/2

$750

Sun 8/31:30 pmSTL - FRA

1 stop11h 40mUnited Airlines

Wed 8/208:50 amFRA - STL

1 stop12h 43mUnited Airlines

Deal found 7/2

$754

Tue 10/211:30 pmSTL - FRA

1 stop12h 25mKLM

Tue 11/49:50 amFRA - STL

1 stop15h 12mKLM

Deal found 7/1

$758

Tue 8/129:23 amSTL - FRA

2 stops14h 57mAmerican Airlines

Tue 8/199:20 amFRA - STL

2 stops17h 01mAmerican Airlines

Deal found 7/2

$763

Fri 8/810:46 amSTL - FRA

2 stops14h 54mVirgin Atlantic

Fri 8/2211:50 amFRA - STL

2 stops15h 43mVirgin Atlantic

Deal found 7/2

$801

Best flights from St. Louis to Frankfurt
Discover carefully curated flight deals from St. Louis to Frankfurt that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 8/203:30 pmSTL - FRA

Nonstop8h 55mLufthansa

Wed 9/1710:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 7/1

$727

Mon 8/181:30 pmSTL - FRA

1 stop11h 40mUnited Airlines

Thu 12/119:45 amFRA - STL

2 stops32h 35mUnited Airlines

Deal found 6/29

$730

Wed 10/81:30 pmSTL - FRA

2 stops18h 10mScandinavian Airlines

Wed 10/153:20 pmFRA - STL

2 stops39h 19mScandinavian Airlines

Deal found 6/30

$734

Mon 8/1810:00 amSTL - FRA

2 stops18h 00mAir Canada

Thu 12/119:45 amFRA - STL

2 stops31h 42mAir Canada

Deal found 6/29

$735

Wed 7/231:30 pmSTL - FRA

1 stop14h 30mMultiple Airlines

Fri 8/2210:40 amFRA - STL

Nonstop9h 50mMultiple Airlines

Deal found 7/2

$737

Tue 8/129:23 amSTL - FRA

2 stops14h 57mAmerican Airlines

Tue 8/199:20 amFRA - STL

2 stops17h 01mAmerican Airlines

Deal found 6/30

$762

Wed 10/89:00 amSTL - FRA

1 stop16h 55mDelta

Wed 10/299:50 amFRA - STL

1 stop18h 09mDelta

Deal found 6/30

$780

Tue 10/76:05 pmSTL - FRA

1 stop31h 40mIberia

Wed 10/297:20 pmFRA - STL

2 stops33h 14mIberia

Deal found 6/30

$786

Last-minute flights from St. Louis to Frankfurt
Discover last-minute flight deals from St. Louis to Frankfurt. Data last updated July 2, 2025 and is based on user searches.

Mon 7/75:00 amSTL - FRA

3 stops19h 00mAir Canada

Mon 7/148:20 amFRA - STL

2 stops19h 30mAir Canada

Deal found 7/1

$1,864

Wed 7/96:41 amSTL - FRA

1 stop22h 29mMultiple Airlines

Wed 7/301:45 pmFRA - STL

1 stop17h 14mMultiple Airlines

Deal found 6/30

$1,644

Wed 7/95:00 amSTL - FRA

2 stops29h 30mTurkish Airlines

Sun 7/136:55 pmFRA - STL

2 stops34h 50mTurkish Airlines

Deal found 7/2

$1,679

Wed 7/97:32 pmSTL - FRA

2 stops35h 18mAlaska Airlines

Wed 7/301:45 pmFRA - STL

1 stop17h 14mAlaska Airlines

Deal found 6/30

$1,776

Wed 7/91:04 pmSTL - FRA

1 stop11h 16mLufthansa

Wed 7/3010:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 6/30

$2,226

Wed 7/235:00 amSTL - FRA

2 stops20h 10mMultiple Airlines

Fri 8/2210:40 amFRA - STL

Nonstop9h 50mMultiple Airlines

Deal found 7/2

$734

Wed 7/239:15 amSTL - FRA

2 stops15h 55mAir Canada

Fri 8/229:55 amFRA - STL

1 stop17h 05mAir Canada

Deal found 7/2

$750

Sun 8/31:30 pmSTL - FRA

1 stop11h 40mUnited Airlines

Wed 8/208:50 amFRA - STL

1 stop12h 43mUnited Airlines

Deal found 7/2

$754

Fri 8/810:46 amSTL - FRA

2 stops14h 54mVirgin Atlantic

Fri 8/2211:50 amFRA - STL

2 stops15h 43mVirgin Atlantic

Deal found 7/2

$801

Tue 8/129:23 amSTL - FRA

2 stops14h 57mAmerican Airlines

Tue 8/199:20 amFRA - STL

2 stops17h 01mAmerican Airlines

Deal found 7/2

$763

Sun 8/177:41 pmSTL - FRA

2 stops19h 44mBritish Airways

Sun 8/3110:55 amFRA - STL

1 stop19h 08mBritish Airways

Deal found 7/2

$858

Wed 8/203:30 pmSTL - FRA

Nonstop8h 55mLufthansa

Wed 9/1710:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 7/1

$727

One-way flights from St. Louis to Frankfurt
Search for one-way flight options from St. Louis to Frankfurt. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Wed 10/151:30 pmSTL - FRA

2 stops22h 50mMultiple Airlines

Deal found 7/1

$287

Wed 10/153:30 pmSTL - FRA

Nonstop8h 55mLufthansa

Deal found 7/1

$328

Wed 8/138:00 amSTL - FRA

2 stops17h 10mAir Canada

Deal found 7/1

$490

Tue 10/71:30 pmSTL - FRA

2 stops13h 35mUnited Airlines

Deal found 7/1

$493

Tue 9/1611:04 amSTL - FRA

1 stop14h 51mKLM

Deal found 6/30

$508

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 8/20

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Fri 9/19

10:40 am-1:30 pm

Nonstop9h 50m

$727

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 7/23

5:00 am-8:10 am

2 stops20h 10m

Frankfurt am Main

Fri 8/22

10:40 am-1:30 pm

Nonstop9h 50m

$734

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/1

3:36 pm-2:40 pm

2 stops16h 04m

Frankfurt am Main

Wed 10/15

3:20 pm-11:39 pm

2 stops39h 19m

$735

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 7/23

9:15 am-8:10 am

2 stops15h 55m

Frankfurt am Main

Fri 8/22

9:55 am-8:00 pm

1 stop17h 05m

$750

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 8/3

1:30 pm-8:10 am

1 stop11h 40m

Frankfurt am Main

Wed 8/20

8:50 am-2:33 pm

1 stop12h 43m

$754

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 10/21

1:30 pm-8:55 am

1 stop12h 25m

Frankfurt am Main

Tue 11/4

9:50 am-6:02 pm

1 stop15h 12m

$758

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 8/12

9:23 am-7:20 am

2 stops14h 57m

Frankfurt am Main

Tue 8/19

9:20 am-7:21 pm

2 stops17h 01m

$763

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/15

1:30 pm-7:20 pm

2 stops22h 50m

$287

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/15

3:30 pm-7:25 am

Nonstop8h 55m

$328

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 8/13

8:00 am-8:10 am

2 stops17h 10m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results

The best insider tips for St. Louis to Frankfurt am Main Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Frankfurt am Main Airport trip

Airports

STL

Security at STL is straightforward, averaging 5-10 minutes off-peak. Check real-time wait times online before heading to the airport.

FRA

For a quick city transfer, take the train from FRA. S8 or S9 trains run every 15 minutes to Frankfurt Hauptbahnhof in about 15 minutes.

Our travel experts

Blane Bachelor

Expert on FRA

Taryn White

Expert on STL

Best time to book a flight from St. Louis to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Frankfurt am Main Airport

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

The price you pay for your flight from St. Louis to Frankfurt am Main Airport may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main Airport?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main Airport (average of $729). Flying from St. Louis to Frankfurt am Main Airport in June is currently the most expensive (average of $1,090). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to FRA?

One of the essential ways to save on airfare from St. Louis to Frankfurt am Main Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

Reviews of airlines servicing Frankfurt

Read through reviews of airlines operating flights from St. Louis to Frankfurt am Main Airport, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,975 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,414 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from St. Louis to Frankfurt am Main?
For a flight from St. Louis to Frankfurt am Main, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Frankfurt am Main per day. 7 airlines have flights to Frankfurt am Main from Lambert-St Louis on a regular basis.
What are the cheapest airlines flying from St. Louis to Frankfurt am Main Airport round-trip?
Lufthansa, at $727, was found to be the cheapest airline from St. Louis to Frankfurt am Main Airport.Alternate airlines to your destination round-trip include United Airlines and Scandinavian Airlines. Lufthansa is 36% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from St. Louis to Frankfurt am Main Airport one-way?
To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $328. Air Canada flights start at $490 while deals on United Airlines start at $493 one-way.
What are the cheapest flights from St. Louis to Frankfurt am Main Airport?
Looking for the cheapest flight from St. Louis to Frankfurt am Main Airport? While on average our users pay $2,521, our data indicates the cheapest price to be $409. The most popular route (Lambert-St Louis - Frankfurt am Main), is priced around $727.
Can I find deals for flights from St. Louis to Frankfurt that include hotel bookings?
Yes. In addition to deals on St. Louis to Frankfurt flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Frankfurt?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Frankfurt.
Can I find deals for business class flights from St. Louis to Frankfurt?
Yes. Cheapflights offers flight deals from St. Louis to Frankfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Frankfurt am Main Airport?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main Airport (average of $729). Flying from St. Louis to Frankfurt am Main Airport in June is currently the most expensive (average of $1,090). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from St. Louis to Frankfurt

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$576	Average$946	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$610	Average$1,182	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$629	Average$946	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$766	Average$1,108	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$808	Average$1,261	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$845	Average$1,115	FlexibilityNo cancel fee	On-time75%
Air Canada	Cheapest$921	Average$1,301	FlexibilityNo cancel fee	On-time67%

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$287+ Cheap flights from St. Louis (STL) to Frankfurt (FRA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Frankfurt with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in November or August, booked 32 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from St. Louis to Frankfurt

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to Frankfurt

Cheapest flights from St. Louis to FrankfurtExplore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

The best insider tips for St. Louis to Frankfurt am Main Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Frankfurt am Main Airport trip

Airports

STL

FRA

Our travel experts

Best time to book a flight from St. Louis to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Frankfurt am Main Airport

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Frankfurt. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main Airport?

What is the cheapest time of day to fly from STL to FRA?

Find hourly flight availability from St. Louis to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Reviews of airlines servicing Frankfurt

Read through reviews of airlines operating flights from St. Louis to Frankfurt am Main Airport, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Frankfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Frankfurt am Main?

What are the cheapest airlines flying from St. Louis to Frankfurt am Main Airport round-trip?

What are the cheapest airlines to fly from St. Louis to Frankfurt am Main Airport one-way?

What are the cheapest flights from St. Louis to Frankfurt am Main Airport?

Can I find deals for flights from St. Louis to Frankfurt that include hotel bookings?

How can I find direct flights from St. Louis to Frankfurt?

Can I find deals for business class flights from St. Louis to Frankfurt?

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main Airport?

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Alternative routes for St. Louis to Frankfurt

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Top 7 airlines flying from St. Louis to Frankfurt

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Cheapest flights from St. Louis to Frankfurt
Explore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.