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$913+ Cheap flights from Louisville (SDF) to Vienna (VIE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — VIE
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
1 adult, Economy
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Cheap flight deals from Louisville to Vienna

Cheapest flights from Louisville to Vienna
Explore the most affordable flight options available from Louisville to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 10, 2026.

This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
SDF
-
VIE
1 stop20h 10m
United Airlines
Fri 8/2810:30 am
VIE
-
SDF
2 stops32h 41m
United Airlines
Deal found 7/8$913
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/237:10 am
SDF
-
VIE
1 stop19h 05m
United Airlines
Sun 8/3010:30 am
VIE
-
SDF
2 stops36h 08m
United Airlines
Deal found 7/9$923
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am
SDF
-
VIE
1 stop17h 15m
United Airlines
Tue 10/2010:30 am
VIE
-
SDF
1 stop16h 01m
United Airlines
Deal found 7/6$926
This United Airlines deal was found by Cheapflights users on 7/9. 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 9/2310:05 am
SDF
-
VIE
1 stop16h 05m
United Airlines
Wed 9/3010:40 am
VIE
-
SDF
2 stops19h 19m
United Airlines
Deal found 7/9$930
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:05 am
SDF
-
VIE
2 stops19h 40m
Lufthansa
Fri 8/286:00 am
VIE
-
SDF
2 stops19h 07m
Lufthansa
Deal found 7/8$937
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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.
Sun 8/235:45 pm
SDF
-
VIE
2 stops17h 30m
Lufthansa
Sun 8/308:00 am
VIE
-
SDF
2 stops17h 07m
Lufthansa
Deal found 7/9$946
This Air Canada deal was found by Cheapflights users on 7/9. 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 9/2311:00 am
SDF
-
VIE
2 stops15h 20m
Multiple Airlines
Wed 9/3011:20 am
VIE
-
SDF
3 stops18h 39m
Multiple Airlines
Deal found 7/9$949
This Finnair deal was found by Cheapflights users on 7/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:59 pm
SDF
-
VIE
2 stops22h 56m
Multiple Airlines
Mon 9/289:15 pm
VIE
-
SDF
2 stops31h 18m
Multiple Airlines
Deal found 7/6$953

Find flight deals from Louisville to Vienna

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Vienna (VIE). 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 July 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$913
(Justfly.com)
Provider with most accurate pricing for Louisville Intl-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Vienna Intl flights.
Search Deals
From Louisville Intl to Vienna Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Vienna 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 July 10, 2026.
Use the filters below to find and compare flights from Louisville to Vienna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Fri 8/21

6:00 am-8:10 am

1 stop20h 10m

Vienna Intl

Fri 8/28

10:30 am-1:11 pm

2 stops32h 41m

$913

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Sun 8/23

7:10 am-8:15 am

1 stop19h 05m

Vienna Intl

Sun 8/30

10:30 am-4:38 pm

2 stops36h 08m

$923
Quickest round-trip

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Tue 9/22

1:56 pm-8:10 am

1 stop12h 14m

Vienna Intl

Tue 10/20

10:30 am-11:59 pm

1 stop19h 29m

$926

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Wed 9/23

10:05 am-8:10 am

1 stop16h 05m

Vienna Intl

Wed 9/30

10:45 am-11:49 pm

1 stop19h 04m

$926

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Sun 8/23

5:45 pm-5:15 pm

2 stops17h 30m

Vienna Intl

Sun 8/30

8:00 am-7:07 pm

2 stops17h 07m

$946

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Sun 9/13

5:59 pm-10:55 pm

2 stops22h 56m

Vienna Intl

Mon 9/28

9:15 pm-10:33 pm

2 stops31h 18m

$953
Cheapest one-way

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Tue 7/21

7:10 pm-10:25 am

2 stops33h 15m

$1,095
Quickest one-way

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Tue 7/21

9:00 am-8:15 am

1 stop17h 15m

$1,317

LouisvilleVienna

SDF - VIE

SDFVIE

Louisville Intl

Tue 7/21

9:00 am-8:35 am

3 stops17h 35m

$1,476

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first

Compare providers for flights from Louisville to Vienna

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 Louisville to Vienna in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Louisville-Vienna flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Vienna flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Vienna flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Vienna flights, Cheapflights users trust FlightHub the most. FlightHub 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 Louisville-Vienna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna 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.

Reviews of airlines servicing Vienna

Get insights into the airlines that provide service to Vienna. 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 Vienna. Reviews last updated July 10, 2026.
Read through reviews of airlines operating flights from Louisville to Vienna, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,967 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,967 reviews
United Airlines
7.4
Good
9,967 reviews

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Louisville to Vienna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Vienna?

    There are many flights that can get you from Louisville to Vienna in 20h 10m. Fly via United Airlines to get the fastest option. There are 4807 mi between Louisville and Vienna.

  • What is the cheapest airline to fly from Louisville to Vienna round-trip?

    According to our current data, United Airlines ($514), offers the cheapest pricing from Louisville to Vienna.

  • Can I find deals for flights from Louisville to Vienna that include hotel bookings?

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

  • How can I find direct flights from Louisville to Vienna?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Vienna.

  • Can I find deals for business class flights from Louisville to Vienna?

    Yes. Cheapflights offers flight deals from Louisville to Vienna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Vienna

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Vienna flights
Cincinnati to Vienna flights

Top airline flying from Louisville to Vienna

Discover the top airline that operate flights from Louisville to Vienna. 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 July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$514Average$1,406FlexibilityNo cancel feeOn-time69%

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