What is the cheapest airline that flies from Pittsburgh to Louisville Intl?

Spirit Airlines is the most popular carrier operating from Pittsburgh to Louisville Intl

What airlines fly to Louisville?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Louisville from Pittsburgh according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Pittsburgh Airport to Louisville Intl Airport?

Prices for flights from Pittsburgh Airport to Louisville Intl Airport refresh daily.

How many operators does momondo search for flights from Pittsburgh Airport to Louisville Intl Airport?

As of December 2025, there are 3 operators available to choose from for flights from Pittsburgh Airport to Louisville Intl Airport.

How old do you have to be to fly from Pittsburgh Airport to Louisville Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$87 Cheap Flights from Pittsburgh to Louisville in 2025/26

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Find the cheapest flights from Pittsburgh to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 6:04 pm

PIT

SDF

12h 04m1 stop

6:54 pm - 9:40 am

SDF

PIT

14h 46m1 stop

$228Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

5:32 am - 1:00 pm

PIT

SDF

7h 28m1 stop

1:55 pm - 9:40 am

SDF

PIT

19h 45m2 stops

$269Spirit Airlines

Fri, Jan 30 - Fri, Feb 6

10:53 am - 11:59 pm

PIT

SDF

13h 06m1 stop

5:05 am - 2:11 pm

SDF

PIT

33h 06m2 stops

$296Multiple Airlines

Wed, Dec 31 - Sun, Jan 4

5:46 pm - 10:30 pm

PIT

SDF

4h 44m1 stop

9:50 am - 2:04 pm

SDF

PIT

4h 14m1 stop

$302United Airlines

Fri, Jan 16 - Sat, Jan 17

7:36 am - 2:48 pm

PIT

SDF

7h 12m1 stop

5:26 pm - 9:14 pm

SDF

PIT

3h 48m1 stop

$307American Airlines

Fri, Jan 16 - Sat, Jan 17

5:32 am - 1:00 pm

PIT

SDF

7h 28m1 stop

1:55 pm - 11:44 pm

SDF

PIT

33h 49m3 stops

$311Spirit Airlines

Fri, Jan 30 - Fri, Feb 6

3:00 pm - 7:42 pm

PIT

SDF

4h 42m1 stop

5:54 pm - 11:51 pm

SDF

PIT

5h 57m1 stop

$317United Airlines

Wed, Feb 18 - Sat, Feb 21

10:53 am - 11:59 pm

PIT

SDF

13h 06m1 stop

5:05 am - 9:58 am

SDF

PIT

28h 53m1 stop

$321Spirit Airlines

Wed, Dec 31 - Sun, Jan 4

1:48 pm - 9:16 pm

PIT

SDF

7h 28m1 stop

6:00 am - 10:27 am

SDF

PIT

4h 27m1 stop

$326American Airlines

Fri, Jan 9 - Sat, Jan 10

8:50 am - 4:02 pm

PIT

SDF

7h 12m2 stops

6:03 am - 9:47 am

SDF

PIT

3h 44m1 stop

$331American Airlines

Fri, Jan 9 - Sat, Jan 10

Spirit Airlines flights from Pittsburgh to Louisville

Our best Spirit Airlines deals on Pittsburgh to Louisville flight tickets

Spirit Airlines

Jan 30

PIT5:32 amPittsburgh

7h 28m

1 stop

SDF1:00 pmLouisville Intl

Feb 6

SDF1:55 pmLouisville Intl

19h 45m

2 stops

PIT9:40 amPittsburgh

$269

Find similar

Spirit Airlines

Jan 30

PIT5:32 amPittsburgh

7h 28m

1 stop

SDF1:00 pmLouisville Intl

Feb 6

SDF1:55 pmLouisville Intl

33h 49m

3 stops

PIT11:44 pmPittsburgh

$311

Find similar

Spirit Airlines

Dec 31

PIT10:53 amPittsburgh

13h 06m

1 stop

SDF11:59 pmLouisville Intl

Jan 4

SDF5:05 amLouisville Intl

28h 53m

1 stop

PIT9:58 amPittsburgh

$321

Find similar

United Airlines flights from Pittsburgh to Louisville

Our best United Airlines deals on Pittsburgh to Louisville flight tickets

United Airlines

Jan 16

PIT5:46 pmPittsburgh

4h 44m

1 stop

SDF10:30 pmLouisville Intl

Jan 17

SDF9:50 amLouisville Intl

4h 14m

1 stop

PIT2:04 pmPittsburgh

$302

Find similar

United Airlines

Feb 18

PIT3:00 pmPittsburgh

4h 42m

1 stop

SDF7:42 pmLouisville Intl

Feb 21

SDF5:54 pmLouisville Intl

5h 57m

1 stop

PIT11:51 pmPittsburgh

$317

Find similar

United Airlines

Dec 30

PIT6:00 amPittsburgh

7h 13m

2 stops

SDF1:13 pmLouisville Intl

Jan 3

SDF5:40 amLouisville Intl

8h 22m

2 stops

PIT2:02 pmPittsburgh

$973

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/30

6:00 am-6:04 pm

1 stop12h 04m

Louisville Intl

Fri 2/6

6:54 pm-9:40 am

1 stop14h 46m

$228

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/30

5:32 am-1:00 pm

1 stop7h 28m

Louisville Intl

Fri 2/6

1:55 pm-9:40 am

2 stops19h 45m

$269

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Wed 12/31

10:53 am-11:59 pm

1 stop13h 06m

Louisville Intl

Sun 1/4

5:05 am-2:11 pm

2 stops33h 06m

$296

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/16

5:46 pm-10:30 pm

1 stop4h 44m

Louisville Intl

Sat 1/17

9:50 am-2:04 pm

1 stop4h 14m

$302

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/16

7:36 am-2:48 pm

1 stop7h 12m

Louisville Intl

Sat 1/17

5:26 pm-9:14 pm

1 stop3h 48m

$307

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/30

5:32 am-1:00 pm

1 stop7h 28m

Louisville Intl

Fri 2/6

1:55 pm-11:44 pm

3 stops33h 49m

$311

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Wed 2/18

3:00 pm-7:42 pm

1 stop4h 42m

Louisville Intl

Sat 2/21

5:54 pm-11:51 pm

1 stop5h 57m

$317

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Wed 12/31

10:53 am-11:59 pm

1 stop13h 06m

Louisville Intl

Sun 1/4

5:05 am-9:58 am

1 stop28h 53m

$321

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/9

1:48 pm-9:16 pm

1 stop7h 28m

Louisville Intl

Sat 1/10

6:00 am-10:27 am

1 stop4h 27m

$326

PittsburghLouisville

PIT - SDF

PITSDF

Pittsburgh

Fri 1/9

8:50 am-4:02 pm

2 stops7h 12m

Louisville Intl

Sat 1/10

6:03 am-9:47 am

1 stop3h 44m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pittsburgh to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Pittsburgh during the month February is also very affordable. Most momondo users find prices during this month for around $320.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Pittsburgh is on a Saturday. momondo users have found tickets for Saturday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Pittsburgh to Louisville on a Monday will generally be more expensive and average around $474. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Pittsburgh to Louisville flights are usually those with departure times at noon. Our users have found flights to Louisville at noon for as low as $391. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $484 per ticket.

How have Pittsburgh to Louisville flight prices changed over time?

When to book flights from Pittsburgh to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Pittsburgh to Louisville (PIT to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Louisville

Fastest flight time	1h 29m
Direct flights	None

The fastest flight from Pittsburgh to Louisville takes 1h 29m

There are no direct flights from Pittsburgh to Louisville. There are no popular flight routes from Pittsburgh to Louisville.

Search flight deals

How far is Pittsburgh to Louisville Intl by plane?
There are 342.6 mi between Pittsburgh and Louisville Intl. Typically, this will take 1h 29m by plane in normal conditions.
When did momondo last update prices for flights from Pittsburgh Airport to Louisville Intl Airport?
Prices for flights from Pittsburgh Airport to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to Louisville Intl Airport?
As of December 2025, there are 3 operators available to choose from for flights from Pittsburgh Airport to Louisville Intl Airport.
How old do you have to be to fly from Pittsburgh Airport to Louisville Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Pittsburgh to Louisville?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pittsburgh to Louisville is Embraer 175 (100.00% of total bookings).
What is the most popular airline from Pittsburgh to Louisville?
Based on momondo bookings for flights between Pittsburgh and Louisville, the leading airline is Delta, making up 40% of the total bookings. Other popular airlines include American Airlines with 32% and Southwest with 28%.

Best airlines flying from Pittsburgh to Louisville

Compare and see reviews for airlines that fly from Pittsburgh to Louisville with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Delta	PriceFrom $207	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Southwest	PriceFrom $336	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Elizabeth

Corydon

Charlestown

Springfield

Brandenburg

Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Pittsburgh.

Can I find flights from Pittsburgh to Louisville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Louisville from Pittsburgh which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pittsburgh to Louisville?

momondo helps you find the best flight between Pittsburgh and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh to Louisville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Louisville from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.