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Frankfurt

$338+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in March or January, booked 59 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap 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 25, 2026.

This Condor deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
STL
-
FRA
1 stop15h 45m
Multiple Airlines
Fri 9/1112:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 7/21$796
This Condor deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
STL
-
FRA
1 stop12h 20m
Multiple Airlines
Tue 8/2512:30 pm
FRA
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 7/21$799
This Condor deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
STL
-
FRA
1 stop15h 45m
Multiple Airlines
Thu 8/2712:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 7/23$808
This KLM deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:00 am
STL
-
FRA
1 stop15h 50m
KLM
Thu 12/32:15 pm
FRA
-
STL
2 stops16h 24m
KLM
Deal found 7/24$816
This Air France deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:00 am
STL
-
FRA
1 stop15h 50m
Multiple Airlines
Thu 12/310:40 am
FRA
-
STL
1 stop14h 21m
Multiple Airlines
Deal found 7/24$819
This Condor deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
STL
-
FRA
1 stop15h 45m
Multiple Airlines
Tue 8/1812:30 pm
FRA
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 7/20$822
This British Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:20 pm
STL
-
FRA
2 stops17h 50m
British Airways
Thu 12/310:15 am
FRA
-
STL
1 stop19h 10m
British Airways
Deal found 7/21$840
This Expedia deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:49 pm
STL
-
FRA
1 stop11h 31m
Multiple Airlines
Mon 10/2610:15 am
FRA
-
STL
1 stop17h 44m
Multiple Airlines
Deal found 7/21$841
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:21 am
STL
-
FRA
1 stop13h 54m
American Airlines
Thu 12/310:15 am
FRA
-
STL
1 stop19h 10m
American Airlines
Deal found 7/21$842
This Condor deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:20 am
STL
-
FRA
1 stop14h 25m
Multiple Airlines
Tue 9/1512:30 pm
FRA
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 7/24$843

Find flight deals from St. Louis to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Frankfurt (FRA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(Travelocity)

One-way from

$338
(British Airways)

Popular in

June

Cheapest in

March

Average price

$1,484

Good round-trip deal

$975 or less

Good one-way deal

$622 or less
Provider with most accurate pricing for Lambert-St Louis-Frankfurt am Main flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Frankfurt am Main flights.
Search Deals
From Lambert-St Louis to Frankfurt am Main
Search Deals
One-way flight from Lambert-St Louis to Frankfurt am Main
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Frankfurt am Main.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Frankfurt am Main.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Frankfurt that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
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

Cheapest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 8/30

8:20 am-5:45 am

1 stop14h 25m

Frankfurt am Main

Tue 9/15

12:30 pm-7:40 pm

1 stop14h 10m

$843
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 9/2

12:52 pm-8:55 am

1 stop13h 03m

Frankfurt am Main

Wed 9/16

11:00 am-5:10 pm

1 stop13h 10m

$879

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 9/29

10:29 am-9:50 am

1 stop16h 21m

Frankfurt am Main

Wed 10/7

11:00 am-5:11 pm

1 stop13h 11m

$879

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 10/19

12:46 pm-8:45 am

1 stop12h 59m

Frankfurt am Main

Fri 11/13

10:15 am-8:19 pm

1 stop17h 04m

$890

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/25

8:30 am-1:45 pm

1 stop22h 15m

Frankfurt am Main

Wed 12/2

5:10 pm-3:26 pm

1 stop29h 16m

$904

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 10/4

12:46 pm-8:45 am

1 stop12h 59m

Frankfurt am Main

Mon 10/12

7:20 pm-7:48 pm

2 stops31h 28m

$955

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 10/23

9:35 pm-9:45 pm

1 stop17h 10m

Frankfurt am Main

Sun 11/1

10:15 am-11:33 pm

1 stop20h 18m

$993

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 10/4

4:39 pm-9:20 am

1 stop33h 41m

Frankfurt am Main

Mon 10/12

5:05 pm-8:00 pm

1 stop33h 55m

$994

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 8/17

8:30 am-1:00 pm

3 stops21h 30m

Frankfurt am Main

Mon 8/31

2:00 pm-6:45 pm

2 stops35h 45m

$1,155

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/6

1:04 pm-8:55 am

1 stop12h 51m

Frankfurt am Main

Mon 9/21

10:40 am-5:45 pm

1 stop14h 05m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to Frankfurt

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Frankfurt in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Frankfurt am Main Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Frankfurt am Main Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Frankfurt am Main Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Frankfurt am Main Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Frankfurt am Main Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 47 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, March is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main Airport (average of $929). Flying from St. Louis to Frankfurt am Main Airport in June is currently the most expensive (average of $1,758). 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?

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 25, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Frankfurt am Main Airport as you normally would.

How much does it cost to fly round-trip from St. Louis to Frankfurt am Main Airport?

Airfare is below average for this route at the moment.

St. Louis to Frankfurt am Main Airport flights typically cost between $1,164 and $1,772 in January.
The cheapest round-trip price found within the last 5 days was $784 on Iberia (Jan 12-Jan 19).

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Frankfurt am Main Airport trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on FRA

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Frankfurt. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from St. Louis to Frankfurt am Main Airport, such as United Airlines,Lufthansa, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,032 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable
United Airlines
7.4
Good
10,032 reviews
United Airlines
7.4
Good
10,032 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable
Lufthansa
6.8
Okay
8,157 reviews
United Airlines
7.4
Good
10,032 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable
British Airways
6.7
Okay
8,131 reviews
United Airlines
7.4
Good
10,032 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

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?

    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 1 outbound flight to Frankfurt am Main per day. 3 airlines have flights to Frankfurt am Main from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to Frankfurt am Main Airport?

    For as low as $890, KLM can have you in Frankfurt am Main Airport from St. Louis in 12h 59m. St. Louis and Frankfurt am Main Airport are separated by a distance of 4577 mi. This flight may include one or multiple stops.

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

    British Airways, at $410, 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 Lufthansa. British Airways is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $2,819, our data indicates the cheapest price to be $425. The most popular route (Lambert-St Louis - Frankfurt am Main), is priced around $788.

  • 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, March is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main Airport (average of $929). Flying from St. Louis to Frankfurt am Main Airport in June is currently the most expensive (average of $1,758). 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

Traveling to a place near Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Kaiserslautern
Koblenz
Baden-Baden
Speyer
Mainz
Heilbronn
Boppard

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Frankfurt

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Frankfurt flights
Columbia to Frankfurt flights
Springfield to Frankfurt flights

Top 3 airlines flying from St. Louis to Frankfurt

Discover the top 3 airlines that operate flights from St. Louis to Frankfurt. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$410Average$717FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$803Average$1,334FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$830Average$1,321FlexibilityNo cancel feeOn-time76%

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