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$117+ Cheap flights from Sky Harbor Intl (PHX) to Louisville (SDF)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SDF
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Louisville with Cheapflights

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Louisville Intl are usually found in November or August, booked 79 days in advance, depart on a Monday or Saturday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Louisville

Cheapest flights from Sky Harbor Intl to Louisville
Explore the most affordable flight options available from Sky Harbor Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:59 pm
PHX
-
SDF
1 stop10h 22m
Multiple Airlines
Tue 3/33:33 pm
SDF
-
PHX
2 stops24h 11m
Multiple Airlines
Deal found 1/25$260
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:59 pm
PHX
-
SDF
1 stop7h 52m
American Airlines
Sat 2/2110:49 am
SDF
-
PHX
1 stop6h 44m
American Airlines
Deal found 1/25$319
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1411:51 pm
PHX
-
SDF
1 stop8h 41m
American Airlines
Sat 3/216:23 pm
SDF
-
PHX
1 stop8h 21m
American Airlines
Deal found 1/25$371
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:59 pm
PHX
-
SDF
1 stop10h 22m
Multiple Airlines
Thu 2/263:33 pm
SDF
-
PHX
2 stops35h 15m
Multiple Airlines
Deal found 1/26$384
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 am
PHX
-
SDF
1 stop7h 20m
Southwest
Tue 3/36:00 am
SDF
-
PHX
1 stop6h 10m
Southwest
Deal found 1/25$390
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:17 pm
PHX
-
SDF
1 stop7h 21m
American Airlines
Thu 4/167:52 pm
SDF
-
PHX
1 stop7h 07m
American Airlines
Deal found 1/26$395
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:51 pm
PHX
-
SDF
1 stop8h 41m
American Airlines
Thu 3/197:57 pm
SDF
-
PHX
1 stop7h 10m
American Airlines
Deal found 1/26$398
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/47:00 am
PHX
-
SDF
1 stop5h 19m
United Airlines
Sat 3/71:58 pm
SDF
-
PHX
2 stops9h 23m
United Airlines
Deal found 1/26$400
This United Airlines deal was found by Cheapflights users on 1/25. 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 5/2911:58 pm
PHX
-
SDF
1 stop6h 47m
United Airlines
Sun 5/316:00 pm
SDF
-
PHX
1 stop8h 17m
United Airlines
Deal found 1/25$411
This United Airlines deal was found by Cheapflights users on 1/25. 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 7/810:30 am
PHX
-
SDF
2 stops8h 27m
United Airlines
Wed 7/157:30 am
SDF
-
PHX
1 stop7h 01m
United Airlines
Deal found 1/25$416

Find flight deals from Sky Harbor Intl to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Louisville (SDF). 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(Kiwi.com)

One-way from

$117
(Trip.com)

Popular in

February

Cheapest in

November

Average price

$451

Good round-trip deal

$533 or less

Good one-way deal

$226 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Louisville Intl flights.
Search Deals
From Phoenix Sky Harbor Intl to Louisville Intl
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Louisville 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 January 26, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Louisville that are best for you.

Fly from

Sky Harbor Intl

Fly to

Louisville

Route

Depart

Return

Price

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 2/24

7:30 am-4:50 pm

1 stop7h 20m

Louisville Intl

Tue 3/3

6:00 am-10:10 am

1 stop6h 10m

$390

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 3/4

1:55 pm-10:13 pm

1 stop6h 18m

Louisville Intl

Sat 3/7

3:15 pm-9:21 pm

1 stop8h 06m

$395

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 5/20

9:00 am-8:17 pm

1 stop8h 17m

Louisville Intl

Tue 5/26

6:00 pm-10:12 pm

1 stop7h 12m

$395

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 6/18

11:58 pm-9:45 am

1 stop6h 47m

Louisville Intl

Mon 6/22

6:00 pm-11:17 pm

1 stop8h 17m

$395

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 5/8

12:43 pm-10:30 pm

1 stop6h 47m

Louisville Intl

Sun 5/10

5:50 am-11:10 am

1 stop8h 20m

$395

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Mon 4/13

1:50 pm-10:39 pm

1 stop5h 49m

Louisville Intl

Fri 4/17

3:36 pm-8:19 pm

1 stop7h 43m

$395

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 5/8

5:00 am-2:00 pm

1 stop6h 00m

Louisville Intl

Sun 5/10

7:00 am-10:40 am

2 stops6h 40m

$400

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 5/20

8:10 am-5:10 pm

1 stop6h 00m

Louisville Intl

Tue 5/26

7:00 am-1:05 pm

2 stops9h 05m

$400

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 7/8

10:30 am-9:57 pm

2 stops8h 27m

Louisville Intl

Wed 7/15

7:30 am-11:31 am

1 stop7h 01m

$416

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 2/13

1:55 pm-11:58 pm

1 stop8h 03m

Louisville Intl

Mon 2/16

4:30 pm-12:11 am

1 stop9h 41m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 21 results
1
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Compare providers for flights from Sky Harbor Intl to Louisville

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 Sky Harbor Intl to Louisville in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice 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 Phoenix Sky Harbor Intl Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Louisville 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 Phoenix Sky Harbor Intl Airport-Louisville 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 Sky Harbor Intl to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Louisville

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Louisville. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Louisville, you should look to book at least 79 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 Phoenix Sky Harbor Intl Airport to Louisville?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $69). Flying from Phoenix Sky Harbor Intl Airport to Louisville in June is currently the most expensive (average of $195). 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 PHX to SDF?

Find hourly flight availability from Sky Harbor Intl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Louisville in the evening. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Louisville?

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated January 26, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Louisville. 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 into for flights to Louisville from Phoenix Sky Harbor Intl?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Louisville from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Louisville Intl (SDF) should be relatively easy as there is 1 daily inbound flight from Phoenix Sky Harbor Intl from 4 different airlines.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Louisville?

    Departing from Phoenix Sky Harbor Intl Airport to Louisville will take you 6h 18m. Airlines will cover a distance of 1501 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Louisville round-trip?

    Currently priced at $182, United Airlines will fly you from Phoenix Sky Harbor Intl Airport to Louisville and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $266 and $296, respectively. You may be able to fly from Phoenix Sky Harbor Intl Airport to Louisville for 61% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Louisville one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Phoenix Sky Harbor Intl Airport to Louisville for a low price.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Louisville?

    On average you can expect to pay $459 for a flight from Phoenix Sky Harbor Intl Airport to Louisville. The cheapest flight overall is $176 while the most popular route, (Phoenix Sky Harbor Intl - Louisville Intl) is currently priced at $260.

  • Can I find deals for flights from Sky Harbor Intl to Louisville that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Louisville?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Louisville?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Louisville 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 Phoenix Sky Harbor Intl Airport to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $69). Flying from Phoenix Sky Harbor Intl Airport to Louisville in June is currently the most expensive (average of $195). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 4 airlines flying from Sky Harbor Intl to Louisville

Discover the top 4 airlines that operate flights from Sky Harbor Intl to Louisville. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$464FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$474FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$450FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$357Average$528FlexibilityNo cancel feeOn-time63%

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