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Frankfurt am Main

$462+ Cheap flights from St. Louis (STL) to Frankfurt am Main

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 am Main

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Frankfurt am Main (FK0). 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 March 31, 2025.

Round-trip from

$875
(CrystalTravel)

One-way from

$462
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,068
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. 18% potential increase in price ($263 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to Frankfurt am Main

Cheapest flights from St. Louis to Frankfurt am Main
Explore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 10/73:30 pmSTL - FRA
2 stops16h 10mScandinavian Airlines
Tue 10/148:30 pmFRA - STL
2 stops31h 17mScandinavian Airlines
Deal found 3/30$750
This CrystalTravel deal was found by Cheapflights users on 3/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:27 pmSTL - FRA
1 stop10h 58mLufthansa
Fri 11/1410:45 amFRA - STL
Nonstop10h 10mLufthansa
Deal found 3/29$778
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:27 pmSTL - FRA
1 stop17h 38mUnited Airlines
Tue 11/45:10 pmFRA - STL
2 stops26h 10mUnited Airlines
Deal found 3/30$819
This Finnair deal was found by Cheapflights users on 3/30. 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.
Thu 10/3012:50 pmSTL - FRA
1 stop14h 00mMultiple Airlines
Tue 11/410:55 amFRA - STL
1 stop15h 08mMultiple Airlines
Deal found 3/30$860
This Expedia deal was found by Cheapflights users on 3/30. 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.
Tue 10/141:30 pmSTL - FRA
1 stop11h 40mAir Canada
Tue 10/285:10 pmFRA - STL
2 stops28h 11mAir Canada
Deal found 3/30$862
This Delta deal was found by Cheapflights users on 3/30. 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 10/122:18 pmSTL - FRA
1 stop12h 32mDelta
Wed 10/2910:40 amFRA - STL
2 stops18h 22mDelta
Deal found 3/30$888
This Finnair deal was found by Cheapflights users on 3/30. 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.
Tue 4/2211:06 amSTL - FRA
1 stop14h 39mFinnair
Wed 4/3011:30 amFRA - STL
2 stops17h 42mFinnair
Deal found 3/30$924
This AirNGo deal was found by Cheapflights users on 3/30. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/131:05 pmSTL - FRA
1 stop12h 50mVirgin Atlantic
Sun 4/2711:00 amFRA - STL
1 stop17h 36mVirgin Atlantic
Deal found 3/30$933
This KLM deal was found by Cheapflights users on 3/30. 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.
Mon 10/1311:51 amSTL - FRA
2 stops14h 59mKLM
Tue 10/2810:15 amFRA - STL
2 stops16h 15mKLM
Deal found 3/30$987
This British Airways deal was found by Cheapflights users on 3/30. 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.
Sat 10/116:05 pmSTL - FRA
1 stop31h 40mBritish Airways
Tue 10/287:05 pmFRA - STL
2 stops34h 20mBritish Airways
Deal found 3/30$1,141
This Gurufare deal was found by Cheapflights users on 3/31. 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.
Thu 5/226:00 amSTL - FRA
2 stops21h 15mAer Lingus
Sun 6/18:40 pmFRA - STL
2 stops34h 11mAer Lingus
Deal found 3/31$1,341

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Frankfurt am Main 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 March 31, 2025.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main that are best for you.

Fly from

St. Louis

Fly to

Frankfurt am Main

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:10 pm-7:20 am

1 stop11h 10m

Frankfurt am Main

Thu 5/22

5:20 pm-10:48 pm

1 stop12h 28m

$875

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/14

1:30 pm-7:10 am

1 stop10h 40m

Frankfurt am Main

Wed 5/21

2:20 pm-7:58 pm

1 stop12h 38m

$895

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 4/22

3:30 pm-8:10 am

2 stops33h 40m

Frankfurt am Main

Wed 10/15

10:40 am-1:30 pm

Nonstop9h 50m

$901

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/14

1:30 pm-8:10 am

1 stop11h 40m

Frankfurt am Main

Tue 5/27

9:55 am-3:30 pm

3 stops36h 35m

$903

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 4/22

11:06 am-8:45 am

1 stop14h 39m

Frankfurt am Main

Wed 4/30

11:30 am-10:12 pm

2 stops17h 42m

$924

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 4/13

1:05 pm-8:55 am

1 stop12h 50m

Frankfurt am Main

Sun 4/27

11:00 am-9:36 pm

1 stop17h 36m

$933

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 9/3

1:30 pm-2:40 pm

2 stops18h 10m

Frankfurt am Main

Wed 9/10

7:00 am-11:39 pm

3 stops23h 39m

$981

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 4/13

7:05 am-9:50 am

2 stops19h 45m

Frankfurt am Main

Sun 4/27

11:00 am-8:39 pm

2 stops16h 39m

$995

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 5/22

6:00 am-10:15 am

2 stops21h 15m

Frankfurt am Main

Sun 6/1

8:40 pm-11:51 pm

2 stops34h 11m

$1,341

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 5/30

10:36 am-8:45 am

1 stop15h 09m

Frankfurt am Main

Mon 6/9

12:10 pm-8:30 pm

2 stops39h 20m

$1,467

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 20 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Frankfurt am Main 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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Frankfurt am Main. Price data was last updated on March 28, 2025.

The best time to book flights from St. Louis to Frankfurt am Main is 32 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 St. Louis to Frankfurt am Main?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $729). Flying from St. Louis to Frankfurt am Main 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 am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

One of the essential ways to save on airfare from St. Louis to Frankfurt am Main 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 am Main by month

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

In terms of precipitation, rainfall in Frankfurt am Main 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 when rainfall is around 1.6 in.

Temperature in Frankfurt am Main by month

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

If weather is an important factor for your trip to Frankfurt am Main, 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 am Main

Get insights into the airlines that provide service to Frankfurt am Main. 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 am Main. Reviews last updated March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,818 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air New Zealand
8.0
Very good
459 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Frankfurt am Main from St. Louis. Booking flights from Lambert-St Louis (STL) to Frankfurt am Main should be relatively easy as there are 0 daily outbound flights to Frankfurt am Main from 7 different airlines.

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

    Flying on Lufthansa is currently your cheapest option to Frankfurt am Main, with prices starting at $875. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $895 and $903, respectively. You may be able to fly from St. Louis to Frankfurt am Main for 25% less than the average price by searching for these airlines.

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

    $541 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from $612 and $621, respectively.

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

    Looking at all options, your cheapest flight can be booked for $505. While the most popular route (Lambert-St Louis - Frankfurt am Main) can be booked for $833 on average our data indicates $2,355 when flying from St. Louis to Frankfurt am Main.

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

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

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

    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 am Main.

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $729). Flying from St. Louis to Frankfurt am Main 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

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Alternative routes for St. Louis to Frankfurt am Main

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Top 7 airlines flying from St. Louis to Frankfurt am Main

Discover the top 7 airlines that operate flights from St. Louis to Frankfurt am Main. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$576Average$983FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$629Average$969FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$789Average$1,190FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$816Average$1,280FlexibilityNo cancel feeOn-time76%
KLMCheapest$877Average$1,064FlexibilityNo cancel feeOn-time75%
DeltaCheapest$912Average$1,227FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$970Average$1,309FlexibilityNo cancel feeOn-time67%
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