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$149+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SDF
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 August or November, booked 40 days in advance, depart on a Saturday or Tuesday 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 July 24, 2026.

This American Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 8/71:49 pm
PHX
-
SDF
1 stop5h 28m
American Airlines
Sun 8/95:00 am
SDF
-
PHX
1 stop9h 05m
American Airlines
Deal found 7/20$297
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1211:32 am
PHX
-
SDF
2 stops9h 27m
United Airlines
Sun 8/167:25 am
SDF
-
PHX
1 stop5h 57m
United Airlines
Deal found 7/20$302
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:05 pm
PHX
-
SDF
1 stop5h 50m
Delta
Mon 12/147:30 pm
SDF
-
PHX
1 stop6h 36m
Delta
Deal found 7/23$307
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/271:34 pm
PHX
-
SDF
1 stop5h 57m
United Airlines
Sat 8/291:50 pm
SDF
-
PHX
2 stops9h 34m
United Airlines
Deal found 7/24$312
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:51 am
PHX
-
SDF
1 stop7h 59m
Delta
Mon 9/145:55 pm
SDF
-
PHX
1 stop6h 31m
Delta
Deal found 7/24$317
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/1910:15 am
PHX
-
SDF
2 stops9h 16m
United Airlines
Mon 8/248:00 am
SDF
-
PHX
1 stop5h 37m
United Airlines
Deal found 7/24$322
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/1410:26 am
PHX
-
SDF
2 stops9h 05m
United Airlines
Sun 8/168:00 am
SDF
-
PHX
1 stop5h 34m
United Airlines
Deal found 7/21$336
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/1512:23 am
PHX
-
SDF
1 stop6h 20m
American Airlines
Fri 9/189:47 am
SDF
-
PHX
1 stop7h 46m
American Airlines
Deal found 7/22$338
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/1310:26 am
PHX
-
SDF
2 stops9h 05m
United Airlines
Fri 8/148:00 am
SDF
-
PHX
1 stop5h 37m
United Airlines
Deal found 7/22$340
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 10/912:31 am
PHX
-
SDF
1 stop6h 01m
American Airlines
Tue 10/134:34 pm
SDF
-
PHX
1 stop8h 25m
American Airlines
Deal found 7/23$347
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am
PHX
-
SDF
1 stop7h 24m
Delta
Mon 10/55:50 pm
SDF
-
PHX
1 stop6h 23m
Delta
Deal found 7/20$348
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/276:00 am
PHX
-
SDF
1 stop5h 29m
United Airlines
Sat 9/510:23 am
SDF
-
PHX
2 stops9h 47m
United Airlines
Deal found 7/23$352

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(American Airlines)

One-way from

$149
(Delta)

Popular in

September

Cheapest in

August

Average price

$450

Good round-trip deal

$443 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. 3% potential increase in price ($14 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 July 2026
Search Deals
Price to beat on a round-trip 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 July 24, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 10/28

11:35 pm-9:54 am

1 stop7h 19m

Louisville Intl

Fri 10/30

12:53 pm-6:47 pm

1 stop8h 54m

$297

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/27

8:55 am-7:15 pm

1 stop7h 20m

Louisville Intl

Mon 8/31

10:23 am-3:20 pm

1 stop7h 57m

$297

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sat 8/22

6:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Wed 8/26

5:15 am-10:37 am

2 stops8h 22m

$302

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sat 8/8

6:52 am-6:35 pm

1 stop8h 43m

Louisville Intl

Sun 8/9

6:30 pm-10:43 pm

1 stop7h 13m

$307

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/27

2:19 pm-11:59 pm

1 stop6h 40m

Louisville Intl

Sat 9/5

1:56 pm-7:54 pm

1 stop8h 58m

$307

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/13

10:26 am-10:31 pm

2 stops9h 05m

Louisville Intl

Fri 8/14

8:00 am-10:37 am

1 stop5h 37m

$340

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 9/24

11:59 pm-8:51 am

1 stop5h 52m

Louisville Intl

Sun 9/27

5:50 pm-9:13 pm

1 stop6h 23m

$363
Quickest round-trip

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 9/29

11:35 am-5:55 pm

Nonstop3h 20m

Louisville Intl

Wed 9/30

11:50 am-12:35 pm

Nonstop3h 45m

$377

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sat 8/8

9:08 am-8:23 pm

2 stops8h 15m

Louisville Intl

Sun 8/9

6:15 am-10:34 am

1 stop7h 19m

$380

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/27

5:40 am-2:40 pm

1 stop6h 00m

Louisville Intl

Mon 8/31

11:05 am-11:50 am

Nonstop3h 45m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 23 resultsSorted by cheapest first
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3

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 July.
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?

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 39 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, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $337). Flying from Phoenix Sky Harbor Intl Airport to Louisville in September is currently the most expensive (average of $486). 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 July 24, 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 27% 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?

Airfare is typical for this route at the moment.

Phoenix Sky Harbor Intl Airport to Louisville flights typically cost between $296 and $505 in August.
The cheapest round-trip price found within the last 5 days was $297 on American Airlines (Aug 6-Aug 7).

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 July 24, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Louisville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,234 reviews
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,482 reviews
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,029 reviews
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,843 reviews
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,022 reviews
Southwest
8.0
Very good
4,234 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 are 0 daily inbound flights from Phoenix Sky Harbor Intl from 5 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 5h 29m. 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 JetBlue and American Airlines - these airlines can fly you to your destination from $238 and $256, respectively. You may be able to fly from Phoenix Sky Harbor Intl Airport to Louisville for 56% 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 $113. However, be on the lookout for offers from Delta and United Airlines, 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 $559 for a flight from Phoenix Sky Harbor Intl Airport to Louisville. The cheapest flight overall is $360 while the most popular route, (Phoenix Sky Harbor Intl - Louisville Intl) is currently priced at $307.

  • 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, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $337). Flying from Phoenix Sky Harbor Intl Airport to Louisville in September is currently the most expensive (average of $486). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

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Top 5 airlines flying from Sky Harbor Intl to Louisville

Discover the top 5 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$396FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$238Average$351FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$256Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$261Average$378FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$488FlexibilityNo cancel feeOn-time63%

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