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St. Louis

$504+ Cheap flights from Frankfurt (FRA) to St. Louis (STL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — STL
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheapflights Tip: The best prices from Frankfurt am Main to Lambert-St Louis are usually found in February or November, booked 64 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Frankfurt to St. Louis

Cheapest flights from Frankfurt to St. Louis
Explore the most affordable flight options available from Frankfurt to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This ResecentrumGruppen deal was found by Cheapflights users on 4/24. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:55 am
FRA
-
STL
1 stop17h 30m
Air Canada
Mon 6/151:05 pm
STL
-
FRA
1 stop11h 05m
Air Canada
Deal found 4/24$773
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 6/109:20 am
FRA
-
STL
1 stop21h 24m
British Airways
Thu 6/259:42 am
STL
-
FRA
1 stop16h 03m
British Airways
Deal found 4/27$785
This Ticket deal was found by Cheapflights users on 4/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:40 am
FRA
-
STL
1 stop17h 58m
Virgin Atlantic
Tue 6/21:27 pm
STL
-
FRA
1 stop12h 28m
Virgin Atlantic
Deal found 4/27$786
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:45 pm
FRA
-
STL
2 stops25h 53m
Lufthansa
Sun 11/223:50 pm
STL
-
FRA
Nonstop8h 40m
Lufthansa
Deal found 4/24$787
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:45 am
FRA
-
STL
Nonstop10h 10m
Lufthansa
Sun 12/131:27 pm
STL
-
FRA
1 stop13h 28m
Lufthansa
Deal found 4/27$788
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:40 am
FRA
-
STL
Nonstop9h 45m
Lufthansa
Wed 12/211:45 am
STL
-
FRA
1 stop14h 25m
Lufthansa
Deal found 4/24$789
This Vliegwinkel deal was found by Cheapflights users on 4/27. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:00 pm
FRA
-
STL
1 stop29h 06m
Air Canada
Tue 6/22:15 pm
STL
-
FRA
1 stop10h 45m
Air Canada
Deal found 4/27$790
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:40 am
FRA
-
STL
Nonstop9h 45m
Lufthansa
Thu 11/266:45 pm
STL
-
FRA
2 stops16h 20m
Lufthansa
Deal found 4/24$791
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sun 11/810:45 am
FRA
-
STL
Nonstop10h 10m
Lufthansa
Mon 11/301:27 pm
STL
-
FRA
1 stop13h 28m
Lufthansa
Deal found 4/26$793
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:50 pm
FRA
-
STL
1 stop12h 19m
Lufthansa
Sun 11/153:50 pm
STL
-
FRA
Nonstop8h 40m
Lufthansa
Deal found 4/24$794
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 5/610:55 am
FRA
-
STL
1 stop19h 04m
British Airways
Sun 5/1012:27 pm
STL
-
FRA
1 stop13h 18m
British Airways
Deal found 4/27$795

Find flight deals from Frankfurt to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to St. Louis (STL). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$773
(ResecentrumGruppen)

One-way from

$504
(Finnair)

Popular in

September

Cheapest in

February

Average price

$775
Provider with most accurate pricing for Frankfurt am Main-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Frankfurt am Main-Lambert-St Louis flights.
Search Deals
From Frankfurt am Main to Lambert-St Louis
Search Deals
One-way flight from Frankfurt am Main to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Frankfurt to St. Louis 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 April 28, 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 6/24

7:45 am-6:13 pm

2 stops17h 28m

Lambert-St Louis

Wed 7/1

3:10 pm-12:10 pm

2 stops14h 00m

$806

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sun 5/17

10:40 am-1:25 pm

Nonstop9h 45m

Lambert-St Louis

Tue 6/2

6:00 am-9:10 am

1 stop20h 10m

$808

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sun 5/17

7:00 am-9:09 pm

2 stops21h 09m

Lambert-St Louis

Tue 6/2

5:36 pm-2:20 pm

2 stops13h 44m

$812

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 6/15

7:00 am-8:39 pm

2 stops20h 39m

Lambert-St Louis

Tue 6/30

5:36 pm-5:45 pm

2 stops17h 09m

$812

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 6/22

9:55 am-8:25 pm

1 stop17h 30m

Lambert-St Louis

Mon 6/29

1:38 pm-9:20 am

1 stop12h 42m

$812

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sun 8/30

8:50 am-2:25 pm

1 stop12h 35m

Lambert-St Louis

Sun 9/13

9:16 am-7:25 am

1 stop15h 09m

$812

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 8/31

8:50 am-2:25 pm

1 stop12h 35m

Lambert-St Louis

Mon 9/14

1:24 pm-12:10 pm

1 stop15h 46m

$812

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sun 8/2

11:10 am-11:45 pm

1 stop19h 35m

Lambert-St Louis

Sun 8/23

6:55 pm-2:05 pm

1 stop12h 10m

$813
Quickest round-trip

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 8/5

8:50 am-3:46 pm

1 stop13h 56m

Lambert-St Louis

Sun 8/23

3:30 pm-7:25 am

Nonstop8h 55m

$813

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 7/3

8:50 am-3:46 pm

1 stop13h 56m

Lambert-St Louis

Thu 7/16

9:23 am-9:10 am

2 stops16h 47m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Frankfurt to St. Louis

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 Frankfurt to St. Louis in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*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 Frankfurt am Main Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Frankfurt am Main Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Frankfurt am Main Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Frankfurt am Main Airport-St. Louis 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 Frankfurt am Main Airport-St. Louis 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 Frankfurt to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Frankfurt 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 Frankfurt am Main Airport to St. Louis

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

The best time to book flights from Frankfurt am Main Airport to St. Louis is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Frankfurt am Main Airport to St. Louis (average of $705). Flying from Frankfurt am Main Airport to St. Louis in September is currently the most expensive (average of $1,267). 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 FRA to STL?

Find hourly flight availability from Frankfurt to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2026.

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

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

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

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated April 28, 2026.
Read through reviews of airlines operating flights from Frankfurt am Main Airport to St. Louis, such as United Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,956 reviews
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Frankfurt to St. Louis. 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 into for flights to St. Louis from Frankfurt am Main?

    For a flight from Frankfurt am Main to St. Louis, you will be flying into 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 inbound flights from Frankfurt am Main per day. 2 airlines have flights to Lambert-St Louis from Frankfurt am Main on a regular basis.

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

    Departing from Frankfurt am Main Airport to St. Louis will take you 16h 15m. The distance from Frankfurt am Main Airport to St. Louis is about 4577 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Frankfurt am Main Airport to St. Louis round-trip from $606. Another airline that can offer you cheap pricing is Lufthansa. United Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

    $417 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Lufthansa, with prices starting from $430 and $640, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Frankfurt to St. Louis 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 Frankfurt am Main Airport to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Frankfurt am Main Airport to St. Louis (average of $705). Flying from Frankfurt am Main Airport to St. Louis in September is currently the most expensive (average of $1,267). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
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Collinsville
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Wentzville
Glencoe
Chesterfield
Alton
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Festus

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Top 2 airlines flying from Frankfurt to St. Louis

Discover the top 2 airlines that operate flights from Frankfurt to St. Louis. 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$920FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$625Average$1,002FlexibilityNo cancel feeOn-time76%

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