Frankfurt am Main

$437+ Cheap flights from Louisville (SDF) 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — FRA
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Frankfurt am Main with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Louisville Intl to Frankfurt am Main are usually found in November or August, booked 37 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Louisville to Frankfurt am Main

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 September 15, 2025.

Round-trip from

$611
(United Airlines)

One-way from

$437
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$905
From Louisville Intl to Frankfurt am Main
One-way flight from Louisville Intl to Frankfurt am Main
Highest demand for flights based on searches. 19% potential increase in price ($241 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Louisville to Frankfurt am Main

Cheapest flights from Louisville to Frankfurt am Main
Explore the most affordable flight options available from Louisville to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 11/225:57 pmSDF - FRA
1 stop33h 58mUnited Airlines
Thu 12/45:10 pmFRA - SDF
2 stops33h 39mUnited Airlines
Deal found 9/13$611
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:00 amSDF - FRA
2 stops14h 40mAir Canada
Wed 11/55:10 pmFRA - SDF
2 stops36h 30mAir Canada
Deal found 9/13$612
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:00 amSDF - FRA
2 stops15h 55mMultiple Airlines
Wed 11/512:55 pmFRA - SDF
1 stop12h 32mMultiple Airlines
Deal found 9/13$620
This KLM deal was found by Cheapflights users on 9/13. 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.
Wed 10/2910:41 amSDF - FRA
1 stop16h 59mKLM
Wed 11/59:50 amFRA - SDF
1 stop13h 23mKLM
Deal found 9/13$622
This Orbitz deal was found by Cheapflights users on 9/13. 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.
Sat 11/225:57 pmSDF - FRA
1 stop31h 28mLufthansa
Thu 12/410:50 amFRA - SDF
1 stop17h 39mLufthansa
Deal found 9/13$627
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:00 amSDF - FRA
2 stops15h 40mMultiple Airlines
Mon 12/158:15 pmFRA - SDF
2 stops32h 14mMultiple Airlines
Deal found 9/14$643
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/102:02 pmSDF - FRA
1 stop13h 53mUnited Airlines
Mon 12/154:25 pmFRA - SDF
2 stops32h 57mUnited Airlines
Deal found 9/14$653
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/3111:00 amSDF - FRA
1 stop14h 35mUnited Airlines
Fri 11/75:10 pmFRA - SDF
2 stops26h 07mUnited Airlines
Deal found 9/14$656
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/225:57 pmSDF - FRA
1 stop33h 58mUnited Airlines
Sun 12/75:10 pmFRA - SDF
2 stops33h 39mUnited Airlines
Deal found 9/15$661
This Expedia deal was found by Cheapflights users on 9/14. 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.
Fri 10/311:08 pmSDF - FRA
1 stop14h 42mBritish Airways
Fri 11/710:50 amFRA - SDF
1 stop19h 09mBritish Airways
Deal found 9/14$672
This Orbitz deal was found by Cheapflights users on 9/15. 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.
Sat 11/225:57 pmSDF - FRA
1 stop31h 28mLufthansa
Sun 12/710:50 amFRA - SDF
1 stop17h 39mLufthansa
Deal found 9/15$677

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 September 15, 2025.
Use the filters below to find and compare flights from Louisville to Frankfurt am Main that are best for you.

Fly from

Louisville

Fly to

Frankfurt am Main

Route

Depart

Return

Price

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Sat 11/22

5:57 pm-9:55 am

1 stop33h 58m

Frankfurt am Main

Thu 12/4

5:10 pm-8:49 pm

2 stops33h 39m

$611

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Wed 10/29

11:00 am-6:40 am

2 stops14h 40m

Frankfurt am Main

Wed 11/5

5:10 pm-11:40 pm

2 stops36h 30m

$612

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Wed 10/29

10:41 am-8:40 am

1 stop16h 59m

Frankfurt am Main

Wed 11/5

9:50 am-5:13 pm

1 stop13h 23m

$622

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Sat 11/22

5:57 pm-7:25 am

1 stop31h 28m

Frankfurt am Main

Thu 12/4

10:50 am-10:29 pm

1 stop17h 39m

$627

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Wed 12/10

9:00 am-6:40 am

2 stops15h 40m

Frankfurt am Main

Mon 12/15

8:15 pm-10:29 pm

2 stops32h 14m

$643

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Wed 12/10

2:02 pm-9:55 am

1 stop13h 53m

Frankfurt am Main

Mon 12/15

4:25 pm-7:22 pm

2 stops32h 57m

$653

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Fri 10/31

11:00 am-6:35 am

1 stop14h 35m

Frankfurt am Main

Fri 11/7

5:10 pm-1:17 pm

2 stops26h 07m

$656

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Sat 11/22

5:57 pm-9:55 am

1 stop33h 58m

Frankfurt am Main

Sun 12/7

5:10 pm-8:49 pm

2 stops33h 39m

$661

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Fri 10/31

1:08 pm-8:50 am

1 stop14h 42m

Frankfurt am Main

Fri 11/7

10:50 am-11:59 pm

1 stop19h 09m

$672

LouisvilleFrankfurt am Main

SDF - FRA

SDFFRA

Louisville Intl

Sat 11/22

5:57 pm-7:25 am

1 stop31h 28m

Frankfurt am Main

Sun 12/7

10:50 am-10:29 pm

1 stop17h 39m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
1
2

Best time to book a flight from Louisville to Frankfurt am Main

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

How far ahead should I book a flight from Louisville to Frankfurt am Main?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Frankfurt am Main. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Louisville to Frankfurt am Main, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Louisville to Frankfurt am Main?

Currently, January is the cheapest month in which you can book a flight from Louisville to Frankfurt am Main (average of $729). Flying from Louisville to Frankfurt am Main in June is currently the most expensive (average of $1,091). 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 SDF to FRA?

Find hourly flight availability from Louisville 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 September 15, 2025.

When flying from Louisville to Frankfurt am Main, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 8% versus a flight at noon.

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 September 15, 2025.
Read through reviews of airlines operating flights from Louisville to Frankfurt am Main, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville 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 Louisville to Frankfurt am Main?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Frankfurt am Main. 6 airlines have flights from Louisville Intl to Frankfurt am Main on a regular basis. Booking flights from Louisville Intl to Frankfurt am Main should not be difficult; the airport handles an average of 0 outbound flights to Frankfurt am Main per day.

  • How long is the flight from Louisville to Frankfurt am Main?

    There are many flights that can get you from Louisville to Frankfurt am Main in 14h 40m. Fly via United Airlines, Air Canada, or KLM to get the fastest option. The distance from Louisville to Frankfurt am Main is about 4430 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    United Airlines, at $650, was found to be the cheapest airline from Louisville to Frankfurt am Main.Alternate airlines to your destination round-trip include Lufthansa and Delta. United Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Louisville 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 Louisville to Frankfurt am Main.

  • Can I find deals for business class flights from Louisville to Frankfurt am Main?

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

    Currently, January is the cheapest month in which you can book a flight from Louisville to Frankfurt am Main (average of $729). Flying from Louisville to Frankfurt am Main in June is currently the most expensive (average of $1,091). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Louisville to Frankfurt am Main

Discover the top 6 airlines that operate flights from Louisville 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$882FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$652Average$1,048FlexibilityNo cancel feeOn-time76%
DeltaCheapest$658Average$850FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$677Average$879FlexibilityNo cancel feeOn-time70%
KLMCheapest$683Average$864FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$725Average$992FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.