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$102+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SDF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 August or November, booked 79 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$233
(American Airlines)

One-way from

$102
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$532

Good round-trip deal

$464 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Louisville Intl flights.
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From Phoenix Sky Harbor Intl to Louisville Intl
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One-way flight from Phoenix Sky Harbor Intl to Louisville Intl
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Louisville Intl.
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Find 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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 10/2912:18 amPHX - SDF
1 stop6h 05mAmerican Airlines
Mon 11/106:15 amSDF - PHX
1 stop7h 17mAmerican Airlines
Deal found 10/28$233
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/131:00 pmPHX - SDF
1 stop27h 16mMultiple Airlines
Mon 11/179:43 amSDF - PHX
1 stop16h 16mMultiple Airlines
Deal found 10/26$284
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/245:00 amPHX - SDF
1 stop9h 50mAmerican Airlines
Fri 11/286:25 amSDF - PHX
1 stop7h 38mAmerican Airlines
Deal found 10/25$337
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:00 amPHX - SDF
1 stop9h 50mAmerican Airlines
Mon 12/16:24 pmSDF - PHX
1 stop8h 15mAmerican Airlines
Deal found 10/27$358
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/911:04 amPHX - SDF
1 stop9h 52mAmerican Airlines
Thu 12/117:30 amSDF - PHX
1 stop6h 30mAmerican Airlines
Deal found 10/27$380
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/141:35 pmPHX - SDF
1 stop8h 24mAmerican Airlines
Sun 11/167:13 amSDF - PHX
1 stop9h 05mAmerican Airlines
Deal found 10/28$383
This Southwest deal was found by Cheapflights users on 10/28. 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 11/2511:55 pmPHX - SDF
1 stop9h 10mSouthwest
Tue 12/21:50 pmSDF - PHX
1 stop8h 15mSouthwest
Deal found 10/28$397
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:15 amPHX - SDF
2 stops6h 55mSouthwest
Thu 11/206:45 amSDF - PHX
2 stops9h 35mSouthwest
Deal found 10/26$407
This Southwest deal was found by Cheapflights users on 10/27. 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.
Fri 12/198:20 amPHX - SDF
1 stop10h 10mSouthwest
Sun 12/215:30 amSDF - PHX
2 stops8h 10mSouthwest
Deal found 10/27$408
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/1012:30 amPHX - SDF
1 stop8h 11mAmerican Airlines
Sat 12/136:28 pmSDF - PHX
1 stop6h 12mAmerican Airlines
Deal found 10/27$412

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 October 28, 2025.
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

Sat 12/20

3:05 pm-11:03 pm

1 stop5h 58m

Louisville Intl

Sun 1/4

4:39 pm-12:31 am

1 stop9h 52m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 11/25

12:45 pm-7:35 pm

1 stop4h 50m

Louisville Intl

Tue 12/2

7:05 pm-11:10 pm

1 stop6h 05m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 11/25

2:26 pm-12:06 am

1 stop7h 40m

Louisville Intl

Tue 12/2

6:00 am-12:13 pm

1 stop8h 13m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 12/12

10:35 am-6:45 pm

1 stop6h 10m

Louisville Intl

Mon 12/15

6:16 pm-10:39 pm

1 stop6h 23m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Mon 12/8

12:59 am-11:57 am

1 stop8h 58m

Louisville Intl

Thu 12/11

3:16 pm-10:49 pm

1 stop9h 33m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 12/3

12:59 am-11:57 am

1 stop8h 58m

Louisville Intl

Sun 12/7

6:35 am-2:00 pm

1 stop9h 25m

$397

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Mon 11/24

11:34 am-7:54 pm

1 stop6h 20m

Louisville Intl

Fri 11/28

9:00 am-3:23 pm

2 stops8h 23m

$402

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 11/18

10:53 am-8:44 pm

2 stops7h 51m

Louisville Intl

Thu 11/20

9:00 am-2:10 pm

1 stop7h 10m

$402

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Tue 3/17

12:45 pm-10:15 pm

2 stops6h 30m

$199

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Mon 11/24

12:59 am-11:57 am

1 stop8h 58m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

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, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $85). 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 October 28, 2025.

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.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Louisville. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Louisville flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 28, 2025.
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
4,240 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 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 5h 58m. 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 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 63% 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 Southwest, with whom users have recently found tickets for as low as $199. 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 $567 for a flight from Phoenix Sky Harbor Intl Airport to Louisville. The cheapest flight overall is $385 while the most popular route, (Phoenix Sky Harbor Intl - Louisville Intl) is currently priced at $284.

  • 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, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Louisville (average of $85). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$573FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$512FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$384Average$516FlexibilityNo cancel feeOn-time63%

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