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$463+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — STL
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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The best prices from Frankfurt am Main to Lambert-St Louis are usually found in February or November, booked 47 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 enero 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$524
(Expedia)

One-way from

$463
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$792
Provider with most accurate pricing for Frankfurt am Main-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Frankfurt am Main-Lambert-St Louis flights.
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From Frankfurt am Main to Lambert-St Louis
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One-way flight from Frankfurt am Main to Lambert-St Louis
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High demand for flights, 10% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find 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 enero 21, 2025.

This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2310:45 amFRA - STL
2 stops17h 38mBritish Airways
mié. 4/3012:02 pmSTL - FRA
2 stops18h 48mBritish Airways
Deal found 1/20$524
This Billigflug deal was found by Cheapflights users on 1/20. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/210:50 amFRA - STL
1 stop15h 40mMultiple Airlines
dom. 2/169:29 amSTL - FRA
1 stop14h 46mMultiple Airlines
Deal found 1/20$529
This OneTravel deal was found by Cheapflights users on 1/20. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/145:10 pmFRA - STL
1 stop28h 56mAir Canada
mar. 2/253:50 pmSTL - FRA
1 stop12h 20mAir Canada
Deal found 1/20$532
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2910:45 amFRA - STL
1 stop15h 44mFinnair
mar. 5/66:23 pmSTL - FRA
2 stops17h 12mFinnair
Deal found 1/20$537
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1010:15 amFRA - STL
2 stops16h 18mUnited Airlines
mar. 10/211:30 pmSTL - FRA
1 stop15h 00mUnited Airlines
Deal found 1/20$544
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/210:15 amFRA - STL
2 stops18h 54mAmerican Airlines
dom. 2/1611:57 amSTL - FRA
2 stops13h 53mAmerican Airlines
Deal found 1/20$548
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/26:30 amFRA - STL
2 stops22h 39mIberia
dom. 2/1611:25 amSTL - FRA
1 stop12h 50mIberia
Deal found 1/20$554
This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/210:45 amFRA - STL
Nonstop10h 10mLufthansa
dom. 2/163:45 pmSTL - FRA
Nonstop8h 40mLufthansa
Deal found 1/20$560
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1010:15 amFRA - STL
2 stops18h 16mDelta
dom. 10/197:05 pmSTL - FRA
2 stops15h 40mDelta
Deal found 1/20$634
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/210:40 amFRA - STL
1 stop12h 57mKLM
dom. 2/1612:52 pmSTL - FRA
1 stop12h 48mKLM
Deal found 1/20$640
This Scandinavian Airlines deal was found by Cheapflights users on 1/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/176:55 amFRA - STL
3 stops23h 42mScandinavian Airlines
lun. 2/2412:52 pmSTL - FRA
2 stops19h 33mScandinavian Airlines
Deal found 1/20$730

Find flights from Frankfurt to St. Louis within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

mié. 4/23

10:45 am-9:23 pm

2 stops17h 38m

Lambert-St Louis

mié. 4/30

12:02 pm-1:50 pm

2 stops18h 48m

$524

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

dom. 2/2

10:50 am-7:30 pm

1 stop15h 40m

Lambert-St Louis

dom. 2/16

9:29 am-7:15 am

1 stop14h 46m

$529

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

vie. 2/14

5:10 pm-3:06 pm

1 stop28h 56m

Lambert-St Louis

mar. 2/25

3:50 pm-11:10 am

1 stop12h 20m

$532

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

mar. 4/29

10:45 am-7:29 pm

1 stop15h 44m

Lambert-St Louis

mar. 5/6

6:23 pm-6:35 pm

2 stops17h 12m

$537

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

sáb. 5/10

9:55 am-8:01 pm

1 stop17h 06m

Lambert-St Louis

dom. 6/1

1:10 pm-10:05 am

2 stops13h 55m

$545

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

dom. 2/2

10:50 am-10:36 pm

1 stop18h 46m

Lambert-St Louis

dom. 2/16

11:04 am-8:50 am

2 stops14h 46m

$548

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

dom. 2/2

6:30 am-10:09 pm

2 stops22h 39m

Lambert-St Louis

dom. 2/16

11:25 am-7:15 am

1 stop12h 50m

$554

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

dom. 2/2

10:45 am-1:55 pm

Nonstop10h 10m

Lambert-St Louis

dom. 2/16

1:03 pm-6:35 am

1 stop10h 32m

$560

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

dom. 2/2

10:40 am-4:37 pm

1 stop12h 57m

Lambert-St Louis

dom. 2/16

12:52 pm-8:40 am

1 stop12h 48m

$640

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

jue. 6/5

11:00 am-4:50 pm

1 stop12h 50m

Lambert-St Louis

sáb. 6/28

5:45 pm-9:50 am

1 stop33h 05m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Frankfurt am Main Airport-St. Louis flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Travel insights for flights from Frankfurt to St. Louis

Get recent, data-driven insights about flights from Frankfurt to St. Louis including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Frankfurt to St. Louis. Price data was last updated on January 17, 2025.

The best time to book flights from Frankfurt am Main Airport to St. Louis is 47 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, August is the cheapest month in which you can book a flight from Frankfurt am Main Airport to St. Louis (average of $311). Flying from Frankfurt am Main Airport to St. Louis in March is currently the most expensive (average of $356). 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 enero 21, 2025.

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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 enero 21, 2025.
To help decide which airline to fly from Frankfurt am Main to St. Louis, see what other customers have to say about Scandinavian Airlines, British Airways and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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. 6 airlines have flights to Lambert-St Louis from Frankfurt am Main on a regular basis.

  • 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 $524. Other airlines that can offer you cheap pricing are Air Canada, from $532, and Finnair, from $537. British Airways is priced at 25% 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?

    $530 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $557 and $891, 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, August is the cheapest month in which you can book a flight from Frankfurt am Main Airport to St. Louis (average of $311). Flying from Frankfurt am Main Airport to St. Louis in March is currently the most expensive (average of $356). 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
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for Frankfurt to St. Louis

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Top 6 airlines flying from Frankfurt to St. Louis

Discover the top 6 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$426Average$523FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$434Average$657FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$491Average$667FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$542Average$673FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$568Average$660FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$576Average$813FlexibilityNo cancel feeOn-time76%
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