How does KAYAK find such low prices on flights from Kentucky to Vienna?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to Vienna.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to Vienna?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vienna from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Kentucky to Vienna?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Vienna with an airline and back to Kentucky with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to Vienna?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Vienna from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$492 CHEAP FLIGHTS from Kentucky to Vienna

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Cheap Flights from Kentucky to Vienna

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Kentucky to Vienna

Mon, Feb 1 - Fri, Feb 5

10:20 am - 8:25 amSDF Louisville Intl-VIE Vienna Intl

16h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:40 am - 1:26 pmVIE Vienna Intl-SDF Louisville Intl

32h 46m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$737Air Canada

Mon, Feb 1 - Thu, Feb 4

9:50 am - 8:30 amSDF Louisville Intl-VIE Vienna Intl

16h 40m1 stop Washington, D.C. Dulles Intl

10:35 am - 7:14 pmVIE Vienna Intl-SDF Louisville Intl

38h 39m2 stops Toronto Pearson Intl Newark

$739United Airlines

Mon, Feb 1 - Thu, Feb 4

1:41 pm - 8:00 amSDF Louisville Intl-VIE Vienna Intl

12h 19m1 stop Newark

10:35 am - 4:35 pmVIE Vienna Intl-SDF Louisville Intl

36h 00m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$739United Airlines

Mon, Feb 1 - Thu, Feb 4

9:50 am - 8:30 amSDF Louisville Intl-VIE Vienna Intl

16h 40m1 stop Washington, D.C. Dulles Intl

10:35 am - 3:09 pmVIE Vienna Intl-SDF Louisville Intl

34h 34m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$739United Airlines

Mon, Feb 1 - Thu, Feb 4

10:20 am - 8:25 amSDF Louisville Intl-VIE Vienna Intl

16h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:35 am - 3:09 pmVIE Vienna Intl-SDF Louisville Intl

34h 34m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$742Air Canada

Mon, Feb 1 - Fri, Feb 5

6:00 am - 12:20 pmLEX Lexington Blue Grass-VIE Vienna Intl

24h 20m2 stops Chicago O'Hare Intl London Heathrow

6:00 am - 5:22 pmVIE Vienna Intl-LEX Lexington Blue Grass

17h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

$748United Airlines

Mon, Feb 1 - Fri, Feb 5

2:25 pm - 12:20 pmSDF Louisville Intl-VIE Vienna Intl

15h 55m2 stops Washington, D.C. Dulles Intl London Heathrow

10:35 am - 7:30 pmVIE Vienna Intl-SDF Louisville Intl

14h 55m1 stop Washington, D.C. Dulles Intl

$751United Airlines

Mon, Feb 1 - Fri, Feb 5

2:25 pm - 8:30 amSDF Louisville Intl-VIE Vienna Intl

12h 05m1 stop Washington, D.C. Dulles Intl

10:35 am - 7:30 pmVIE Vienna Intl-SDF Louisville Intl

14h 55m1 stop Washington, D.C. Dulles Intl

$754United Airlines

Mon, Feb 1 - Thu, Feb 4

8:45 am - 8:00 amSDF Louisville Intl-VIE Vienna Intl

17h 15m1 stop Newark

10:35 am - 7:30 pmVIE Vienna Intl-SDF Louisville Intl

14h 55m1 stop Washington, D.C. Dulles Intl

$754United Airlines

Mon, Feb 1 - Thu, Feb 4

6:00 am - 12:20 pmLEX Lexington Blue Grass-VIE Vienna Intl

24h 20m2 stops Chicago O'Hare Intl London Heathrow

6:00 am - 5:22 pmVIE Vienna Intl-LEX Lexington Blue Grass

17h 22m2 stops Frankfurt am Main Chicago O'Hare Intl

$757United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$492

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 17% increase in price.

Flight from Louisville to Vienna

How does KAYAK find such low prices on flights from Kentucky to Vienna?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to Vienna.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to Vienna?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vienna from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Kentucky to Vienna?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Vienna with an airline and back to Kentucky with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to Vienna?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Vienna from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.