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Frankfurt am Main

$458+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$875
(United Airlines)

One-way from

$531
(Gurufare)

Popular in

June

Cheapest in

November

Average price

$1,255
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. 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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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 April 29, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:29 pmSTL - FRA
1 stop33h 26mUnited Airlines
Wed 5/215:05 pmFRA - STL
1 stop26h 31mUnited Airlines
Deal found 4/27$875
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:28 pmSTL - FRA
1 stop11h 52mLufthansa
Fri 10/2410:40 amFRA - STL
Nonstop9h 50mLufthansa
Deal found 4/27$880
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:30 pmSTL - FRA
Nonstop8h 55mMultiple Airlines
Thu 10/232:00 pmFRA - STL
1 stop12h 33mMultiple Airlines
Deal found 4/27$882
This Air Canada 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 Air Canada 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
Thu 10/2310:00 amFRA - STL
1 stop12h 18mAir Canada
Deal found 4/27$883
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 10/811:51 amSTL - FRA
1 stop14h 04mDelta
Thu 10/1611:00 amFRA - STL
1 stop12h 51mDelta
Deal found 4/28$891
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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
Sun 10/123:25 pmFRA - STL
2 stops39h 14mScandinavian Airlines
Deal found 4/28$899
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:10 pmSTL - FRA
1 stop31h 35mIberia
Sun 9/710:45 amFRA - STL
1 stop18h 42mIberia
Deal found 4/29$912
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:36 amSTL - FRA
1 stop14h 44mAmerican Airlines
Fri 5/309:20 amFRA - STL
2 stops17h 09mAmerican Airlines
Deal found 4/29$952
This KLM deal was found by Cheapflights users on 4/28. 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.
Sun 10/55:30 pmSTL - FRA
2 stops13h 05mKLM
Wed 10/157:00 amFRA - STL
2 stops15h 58mKLM
Deal found 4/28$975
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 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 stops17h 57mAer Lingus
Deal found 4/29$1,019

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 April 29, 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

Sun 5/11

5:29 pm-9:55 am

1 stop33h 26m

Frankfurt am Main

Wed 5/21

5:05 pm-12:36 pm

1 stop26h 31m

$875

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 10/12

12:28 pm-7:20 am

1 stop11h 52m

Frankfurt am Main

Fri 10/24

10:40 am-1:30 pm

Nonstop9h 50m

$880

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 10/12

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Thu 10/23

2:00 pm-7:33 pm

1 stop12h 33m

$882

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 10/14

1:30 pm-8:10 am

1 stop11h 40m

Frankfurt am Main

Thu 10/23

10:00 am-3:18 pm

1 stop12h 18m

$883

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/8

11:51 am-8:55 am

1 stop14h 04m

Frankfurt am Main

Thu 10/16

11:00 am-4:51 pm

1 stop12h 51m

$891

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 10/7

3:30 pm-2:40 pm

2 stops16h 10m

Frankfurt am Main

Sun 10/12

3:25 pm-11:39 pm

2 stops39h 14m

$899

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 8/31

6:10 pm-8:45 am

1 stop31h 35m

Frankfurt am Main

Sun 9/7

10:45 am-10:27 pm

1 stop18h 42m

$912

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 5/16

9:36 am-7:20 am

1 stop14h 44m

Frankfurt am Main

Fri 5/30

9:20 am-7:29 pm

2 stops17h 09m

$952

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 10/5

5:30 pm-1:35 pm

2 stops13h 05m

Frankfurt am Main

Wed 10/15

7:00 am-3:58 pm

2 stops15h 58m

$975

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 5/11

10:31 am-7:55 pm

2 stops26h 24m

Frankfurt am Main

Sun 5/18

10:55 am-11:51 pm

2 stops19h 56m

$1,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 22 results
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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 April 25, 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 $1,086). 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 April 29, 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 April 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and KLM from St. Louis to Frankfurt am Main to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,334 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Turkish Airlines
7.3
Good
3,788 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines 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 Delta and Air Canada, with the lowest prices starting at $895 and $917, 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?

    $531 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Iberia and Lufthansa, with prices starting from $567 and $632, respectively.

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

    Looking at all options, your cheapest flight can be booked for $472. While the most popular route (Lambert-St Louis - Frankfurt am Main) can be booked for $729 on average our data indicates $1,920 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 $1,086). 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.

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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 April 29, 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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