Louisville

$129+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SDF
Apr 12 — Apr 191
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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 50 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 March 13, 2026.

This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:55 pm
PHX
-
SDF
1 stop6h 50m
Southwest
Fri 6/53:35 pm
SDF
-
PHX
1 stop5h 40m
Southwest
Deal found 3/8$210
This Southwest deal was found by Cheapflights users on 3/10. 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.
Sat 5/211:55 pm
PHX
-
SDF
1 stop6h 25m
Southwest
Thu 5/71:10 pm
SDF
-
PHX
1 stop5h 50m
Southwest
Deal found 3/10$234
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:00 pm
PHX
-
SDF
1 stop27h 26m
Multiple Airlines
Sun 5/176:55 pm
SDF
-
PHX
1 stop23h 06m
Multiple Airlines
Deal found 3/8$236
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:10 pm
PHX
-
SDF
2 stops8h 45m
Southwest
Wed 4/293:45 pm
SDF
-
PHX
1 stop9h 10m
Southwest
Deal found 3/9$239
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:30 am
PHX
-
SDF
1 stop29h 33m
Multiple Airlines
Sun 5/176:55 pm
SDF
-
PHX
1 stop23h 06m
Multiple Airlines
Deal found 3/8$243
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:50 am
PHX
-
SDF
2 stops22h 46m
Multiple Airlines
Thu 5/146:55 pm
SDF
-
PHX
1 stop23h 06m
Multiple Airlines
Deal found 3/8$252
This Southwest deal was found by Cheapflights users on 3/11. 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.
Mon 5/45:00 am
PHX
-
SDF
1 stop6h 00m
Southwest
Mon 5/183:40 pm
SDF
-
PHX
1 stop6h 50m
Southwest
Deal found 3/11$254
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:55 pm
PHX
-
SDF
1 stop8h 04m
Delta
Fri 6/52:34 pm
SDF
-
PHX
1 stop9h 33m
Delta
Deal found 3/8$257
This Southwest deal was found by Cheapflights users on 3/10. 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 4/77:45 am
PHX
-
SDF
1 stop7h 15m
Southwest
Fri 4/175:25 pm
SDF
-
PHX
2 stops7h 45m
Southwest
Deal found 3/10$262

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Southwest)

One-way from

$129
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$372

Good round-trip deal

$434 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Louisville Intl flights.
From Phoenix Sky Harbor Intl to Louisville Intl
One-way flight from Phoenix Sky Harbor Intl to Louisville Intl
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Louisville Intl.

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 March 13, 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 5/27

12:57 am-11:59 am

1 stop8h 02m

Louisville Intl

Tue 6/2

7:50 pm-11:37 pm

1 stop6h 47m

$257

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 5/12

12:57 am-11:59 am

1 stop8h 02m

Louisville Intl

Sat 5/16

10:40 am-1:49 pm

1 stop6h 09m

$257

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 5/8

10:55 pm-9:59 am

1 stop8h 04m

Louisville Intl

Mon 5/11

7:50 pm-11:37 pm

1 stop6h 47m

$257

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 5/19

12:57 am-11:59 am

1 stop8h 02m

Louisville Intl

Tue 5/26

7:50 pm-11:37 pm

1 stop6h 47m

$277

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 5/22

10:28 am-9:19 pm

1 stop7h 51m

Louisville Intl

Tue 5/26

7:50 pm-11:37 pm

1 stop6h 47m

$277

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 5/19

11:55 pm-9:50 am

1 stop6h 55m

Louisville Intl

Tue 6/2

1:35 pm-7:30 pm

2 stops8h 55m

$282

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 4/22

4:10 pm-10:30 pm

Nonstop3h 20m

Louisville Intl

Wed 4/29

3:45 pm-9:55 pm

1 stop9h 10m

$304
Quickest round-trip

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sat 5/2

8:50 am-3:10 pm

Nonstop3h 20m

Louisville Intl

Thu 5/7

12:20 pm-1:20 pm

Nonstop4h 00m

$332

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sun 5/10

10:30 am-9:59 pm

1 stop8h 29m

Louisville Intl

Sun 5/17

5:40 am-9:23 am

1 stop6h 43m

$347

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 5/7

11:30 pm-9:25 am

1 stop6h 55m

Louisville Intl

Sat 5/9

7:15 am-11:18 am

1 stop7h 03m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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 March.
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 March 6, 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 50 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 March 13, 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.

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 March 13, 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.

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 8h 02m. Airlines will cover a distance of 1501 mi.

  • 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 Delta and American Airlines - these airlines can fly you to your destination from $256 and $266, respectively. You may be able to fly from Phoenix Sky Harbor Intl Airport to Louisville for 59% 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 United Airlines and Delta, 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 $458 for a flight from Phoenix Sky Harbor Intl Airport to Louisville. The cheapest flight overall is $407 while the most popular route, (Phoenix Sky Harbor Intl - Louisville Intl) is currently priced at $234.

  • 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$450FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$450FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$266Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$531FlexibilityNo cancel feeOn-time63%

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