Frankfurt am Main

$381+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Jul 9 — Jul 161
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Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in March or January, booked 3 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 June 9, 2026.

This Condor deal was found by Cheapflights users on 6/8. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:25 am
STL
-
FRA
1 stop12h 20m
Multiple Airlines
Fri 9/1112:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 6/8$779
This Condor deal was found by Cheapflights users on 6/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:20 am
STL
-
FRA
1 stop14h 25m
Multiple Airlines
Mon 9/2112:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 6/4$802
This FlightHub deal was found by Cheapflights users on 6/4. 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.
Wed 12/21:30 pm
STL
-
FRA
2 stops37h 15m
Scandinavian Airlines
Sat 12/58:30 pm
FRA
-
STL
2 stops31h 19m
Scandinavian Airlines
Deal found 6/4$860
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Wed 11/111:30 pm
STL
-
FRA
2 stops18h 00m
Scandinavian Airlines
Wed 11/1810:30 am
FRA
-
STL
2 stops20h 09m
Scandinavian Airlines
Deal found 6/6$877
This Justfly.com deal was found by Cheapflights users on 6/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:30 pm
STL
-
FRA
2 stops18h 00m
Scandinavian Airlines
Fri 12/1110:30 am
FRA
-
STL
2 stops20h 09m
Scandinavian Airlines
Deal found 6/7$890
This Scandinavian Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 8/1712:52 pm
STL
-
FRA
2 stops23h 53m
Scandinavian Airlines
Sun 8/237:45 pm
FRA
-
STL
2 stops35h 13m
Scandinavian Airlines
Deal found 6/6$894
This Scandinavian Airlines deal was found by Cheapflights users on 6/6. 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 8/163:39 pm
STL
-
FRA
2 stops15h 56m
Scandinavian Airlines
Sun 8/237:45 pm
FRA
-
STL
2 stops35h 13m
Scandinavian Airlines
Deal found 6/6$924
This Condor deal was found by Cheapflights users on 6/6. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:25 am
STL
-
FRA
1 stop12h 20m
Multiple Airlines
Wed 8/1912:30 pm
FRA
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 6/6$930
This Condor deal was found by Cheapflights users on 6/6. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
STL
-
FRA
1 stop12h 20m
Multiple Airlines
Mon 8/2412:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 6/6$932
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:39 pm
STL
-
FRA
2 stops15h 56m
Scandinavian Airlines
Sat 8/223:20 pm
FRA
-
STL
2 stops39h 38m
Scandinavian Airlines
Deal found 6/6$939

Find 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 June 9, 2026.

Round-trip from

$779
(Condor)

One-way from

$381
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,731
From Lambert-St Louis to Frankfurt am Main
One-way flight from Lambert-St Louis to Frankfurt am Main
Highest demand for flights based on searches. 15% potential increase in price ($212 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 9, 2026.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 12/4

4:40 pm-7:45 pm

2 stops20h 05m

Frankfurt am Main

Fri 12/11

10:30 am-11:39 pm

2 stops20h 09m

$910
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 8/3

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Tue 8/25

10:40 am-1:25 pm

Nonstop9h 45m

$1,089

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 10/13

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Tue 10/20

10:40 am-1:25 pm

Nonstop9h 45m

$1,104

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 8/1

7:05 pm-6:30 am

1 stop28h 25m

Frankfurt am Main

Tue 8/25

10:40 am-1:25 pm

Nonstop9h 45m

$1,105

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 12/4

11:50 am-10:30 am

2 stops15h 40m

Frankfurt am Main

Fri 12/11

10:55 am-9:52 pm

1 stop17h 57m

$1,136

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 7/30

7:08 am-8:40 am

2 stops18h 32m

Frankfurt am Main

Fri 8/21

7:00 am-2:33 pm

2 stops14h 33m

$1,155

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 7/27

11:25 am-9:55 am

1 stop15h 30m

Frankfurt am Main

Tue 8/11

10:40 am-1:25 pm

Nonstop9h 45m

$1,155

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 7/2

9:55 am-5:45 am

1 stop12h 50m

Frankfurt am Main

Tue 7/21

12:30 pm-8:30 pm

1 stop15h 00m

$1,159

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/25

1:30 pm-2:30 pm

2 stops18h 00m

Frankfurt am Main

Wed 12/2

7:05 am-11:39 pm

3 stops23h 34m

$1,159

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 8/17

12:52 pm-7:45 pm

2 stops23h 53m

Frankfurt am Main

Mon 8/31

7:00 am-11:58 pm

3 stops23h 58m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 16 resultsSorted by cheapest first
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

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $241). Flying from St. Louis to Frankfurt am Main in July is currently the most expensive (average of $878). 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 June 9, 2026.

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

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

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

The best time to book flights from St. Louis to Frankfurt am Main is 20 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.

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 June 9, 2026.
Read reviews from past customers who have flown KLM,United Airlines, andAmerican Airlines from St. Louis to Frankfurt am Main. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 is 1 daily outbound flight to Frankfurt am Main from 5 different airlines.

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

    A quick flight from St. Louis to Frankfurt am Main can take about 8h 55m. Scandinavian Airlines provides one of the quickest options available for as low as $1,089. Airlines will cover a distance of 4577 mi. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Frankfurt am Main, with prices starting at $355. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $470 and $693, respectively. You may be able to fly from St. Louis to Frankfurt am Main for 70% less than the average price by searching for these airlines.

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

    Looking at all options, your cheapest flight can be booked for $431. While the most popular route (Lambert-St Louis - Frankfurt am Main) can be booked for $779 on average, our data indicates $1,763 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, April is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $241). Flying from St. Louis to Frankfurt am Main in July is currently the most expensive (average of $878). 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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Top 6 airlines flying from St. Louis to Frankfurt am Main

Discover the top 6 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$355Average$919FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$390Average$872FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$470Average$828FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$683Average$1,203FlexibilityNo cancel feeOn-time69%
KLMCheapest$723Average$1,169FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$796Average$1,328FlexibilityNo cancel feeOn-time76%

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