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Frankfurt

$464+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in November or January, booked 32 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap 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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$872
(Air Canada)

One-way from

$464
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,255

Good round-trip deal

$934 or less

Good one-way deal

$607 or less
Provider with most accurate pricing for Lambert-St Louis-Frankfurt am Main flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Frankfurt am Main flights.
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From Lambert-St Louis to Frankfurt am Main
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One-way flight from Lambert-St Louis to Frankfurt am Main
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($253 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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.
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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 April 25, 2025.

This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:30 pmSTL - FRA
1 stop11h 40mAir Canada
Wed 6/45:05 pmFRA - STL
2 stops28h 48mAir Canada
Deal found 4/23$872
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:45 pmSTL - FRA
Nonstop8h 40mUnited Airlines
Fri 12/125:10 pmFRA - STL
2 stops26h 10mUnited Airlines
Deal found 4/24$873
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:30 pmSTL - FRA
1 stop10h 40mMultiple Airlines
Wed 10/227:05 amFRA - STL
2 stops15h 13mMultiple Airlines
Deal found 4/24$879
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:28 pmSTL - FRA
1 stop11h 52mLufthansa
Sun 11/210:45 amFRA - STL
Nonstop10h 10mLufthansa
Deal found 4/23$930
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/82:18 pmSTL - FRA
1 stop12h 32mKLM
Sat 8/2310:40 amFRA - STL
1 stop19h 59mKLM
Deal found 4/24$944
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:26 amSTL - FRA
2 stops15h 54mAmerican Airlines
Sat 8/2310:45 amFRA - STL
1 stop18h 45mAmerican Airlines
Deal found 4/24$948
This Delta deal was found by Cheapflights users on 4/25. 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.
Sun 5/116:00 amSTL - FRA
2 stops19h 40mDelta
Sun 5/2511:00 amFRA - STL
2 stops16h 39mDelta
Deal found 4/25$955
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/243:30 pmSTL - FRA
2 stops16h 10mScandinavian Airlines
Sun 8/317:00 amFRA - STL
3 stops23h 39mScandinavian Airlines
Deal found 4/23$958
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:10 pmSTL - FRA
1 stop31h 35mIberia
Sat 8/306:30 amFRA - STL
2 stops33h 44mIberia
Deal found 4/24$965
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 5/610:31 amSTL - FRA
2 stops16h 44mAer Lingus
Tue 5/1310:55 amFRA - STL
2 stops19h 56mAer Lingus
Deal found 4/24$1,046
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:15 pmSTL - FRA
2 stops19h 20mFinnair
Sun 5/2511:30 amFRA - STL
2 stops17h 45mFinnair
Deal found 4/24$1,227

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 April 25, 2025.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main Airport that are best for you.

Fly from

St. Louis

Fly to

Frankfurt

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:30 pm-8:10 am

1 stop11h 40m

Frankfurt am Main

Wed 6/4

5:05 pm-2:53 pm

2 stops28h 48m

$872

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

1:30 pm-9:05 am

2 stops36h 35m

Frankfurt am Main

Wed 5/21

5:05 pm-2:53 pm

2 stops28h 48m

$874

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

1:30 pm-11:05 am

2 stops14h 35m

Frankfurt am Main

Wed 5/21

2:20 pm-12:36 pm

2 stops29h 16m

$887

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

10:05 am-9:50 am

2 stops16h 45m

Frankfurt am Main

Wed 5/21

11:00 am-11:26 pm

2 stops19h 26m

$896

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

6:00 am-8:40 am

2 stops19h 40m

Frankfurt am Main

Sun 5/25

11:00 am-8:39 pm

2 stops16h 39m

$955

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 5/6

10:31 am-10:15 am

2 stops16h 44m

Frankfurt am Main

Tue 5/13

10:55 am-11:51 pm

2 stops19h 56m

$1,046

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Wed 5/21

10:40 am-1:30 pm

Nonstop9h 50m

$1,143

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

4:15 pm-6:35 pm

2 stops19h 20m

Frankfurt am Main

Sun 5/25

11:30 am-10:15 pm

2 stops17h 45m

$1,227

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 4/30

6:30 am-12:10 pm

1 stop22h 40m

Frankfurt am Main

Wed 5/21

1:45 pm-12:04 am

1 stop17h 19m

$1,328

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 6/5

10:10 am-9:40 am

2 stops40h 30m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 18 results
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice 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 St. Louis-Frankfurt am Main Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Frankfurt am Main Airport flight deals on Cheapflights vs. AranGrant >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 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 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.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Frankfurt am Main Airport trip
Airports
STL

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

Read more about STLby Taryn White
FRA

For a quick city transfer, take the S8 or S9 trains from FRA T1 to Frankfurt Hauptbahnhof, running every 15 minutes.

Read more about FRAby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on FRA

Blane Bachelor

Blane Bachelor

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

Taryn White

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

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?

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 April 25, 2025.

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 $1,079). 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 April 25, 2025.

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 12% on airfare.

Rainfall in Frankfurt by month

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

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.

Temperature in Frankfurt by month

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

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).

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 April 25, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Finnair from St. Louis to Frankfurt am Main to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Finnair
7.6
Good
1,272 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Virgin Atlantic
7.4
Good
642 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 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?

    Air Canada, at $872, 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 Virgin Atlantic. Air Canada is 25% 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 Aer Lingus, which is currently one of the cheapest options available, starting at $541. British Airways flights start at $588 while deals on Lufthansa start at $660 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 $1,904, our data indicates the cheapest price to be $504. The most popular route (Lambert-St Louis - Frankfurt am Main), is priced around $747.

  • 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 $1,079). 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
Koblenz
Wurzburg
Wiesbaden
Speyer
Mainz
Trier
Baden-Baden
Boppard
Bensheim
Darmstadt
Heilbronn
Cochem
Nuerburg

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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.
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Top 7 airlines flying from St. Louis to Frankfurt

Discover the top 7 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$576Average$983FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$629Average$969FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$788Average$1,166FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$815Average$1,263FlexibilityNo cancel feeOn-time76%
KLMCheapest$877Average$1,064FlexibilityNo cancel feeOn-time75%
DeltaCheapest$912Average$1,261FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$921Average$1,303FlexibilityNo cancel feeOn-time67%

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