HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$122+ Cheap flights from Louisville (SDF) to Sky Harbor Intl (PHX)

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.
SDF — PHX
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Louisville Intl to Phoenix Sky Harbor Intl are usually found in August or November, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Louisville to Sky Harbor Intl

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

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.
sáb. 2/216:23 pm
SDF
-
PHX
1 stop7h 36m
American Airlines
mar. 2/2411:05 am
PHX
-
SDF
1 stop7h 09m
American Airlines
Deal found 1/25$319
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.
dom. 2/223:33 pm
SDF
-
PHX
2 stops35h 22m
Multiple Airlines
jue. 2/2611:59 pm
PHX
-
SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/26$334
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.
vie. 2/201:19 pm
SDF
-
PHX
2 stops29h 13m
Multiple Airlines
jue. 2/2611:59 pm
PHX
-
SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/26$336
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.
mié. 2/251:19 pm
SDF
-
PHX
1 stop10h 53m
Multiple Airlines
jue. 3/51:22 pm
PHX
-
SDF
2 stops20h 59m
Multiple Airlines
Deal found 1/26$338
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.
sáb. 3/712:00 pm
SDF
-
PHX
2 stops23h 14m
Multiple Airlines
mar. 3/1012:59 am
PHX
-
SDF
1 stop8h 22m
Multiple Airlines
Deal found 1/26$339
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.
sáb. 2/2112:00 pm
SDF
-
PHX
2 stops24h 57m
Multiple Airlines
jue. 2/2611:59 pm
PHX
-
SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/26$342
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.
dom. 3/13:33 pm
SDF
-
PHX
2 stops19h 37m
Multiple Airlines
dom. 3/812:59 am
PHX
-
SDF
1 stop8h 22m
Multiple Airlines
Deal found 1/26$346
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.
mié. 3/41:19 pm
SDF
-
PHX
1 stop10h 53m
Multiple Airlines
jue. 3/1212:17 pm
PHX
-
SDF
2 stops19h 51m
Multiple Airlines
Deal found 1/26$347
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.
mié. 3/41:19 pm
SDF
-
PHX
1 stop10h 53m
Multiple Airlines
jue. 3/512:59 am
PHX
-
SDF
1 stop9h 22m
Multiple Airlines
Deal found 1/26$348
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.
jue. 3/52:26 pm
SDF
-
PHX
2 stops36h 18m
Multiple Airlines
mar. 3/1012:59 am
PHX
-
SDF
1 stop8h 22m
Multiple Airlines
Deal found 1/26$351
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.
vie. 3/61:19 pm
SDF
-
PHX
2 stops25h 33m
Multiple Airlines
dom. 3/812:59 am
PHX
-
SDF
1 stop8h 22m
Multiple Airlines
Deal found 1/26$356
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.
dom. 4/123:33 pm
SDF
-
PHX
2 stops21h 15m
Multiple Airlines
vie. 4/1712:30 am
PHX
-
SDF
1 stop16h 06m
Multiple Airlines
Deal found 1/25$358

Find flight deals from Louisville to Sky Harbor Intl

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$319
(American Airlines)

One-way from

$122
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$472

Good round-trip deal

$375 or less

Good one-way deal

$269 or less
Provider with most accurate pricing for Louisville Intl-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Phoenix Sky Harbor Intl flights.
Search Deals
From Louisville Intl to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Louisville Intl to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 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 Louisville Intl to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

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

Fly from

Louisville

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

mar. 2/24

6:00 am-10:10 am

1 stop6h 10m

Phoenix Sky Harbor Intl

mar. 3/3

5:00 am-12:15 pm

1 stop5h 15m

$390

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

mié. 2/18

6:00 am-10:10 am

1 stop6h 10m

Phoenix Sky Harbor Intl

lun. 2/23

11:55 pm-11:10 am

1 stop9h 15m

$390

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

sáb. 2/21

5:33 am-10:31 am

1 stop6h 58m

Phoenix Sky Harbor Intl

mar. 2/24

11:59 pm-10:04 am

1 stop8h 05m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

lun. 3/9

3:15 pm-6:39 pm

1 stop6h 24m

Phoenix Sky Harbor Intl

mar. 3/31

6:00 am-2:31 pm

1 stop5h 31m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

dom. 2/22

3:33 pm-10:15 pm

1 stop8h 42m

Phoenix Sky Harbor Intl

mié. 3/4

11:59 pm-10:04 am

1 stop8h 05m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

sáb. 3/14

5:45 pm-10:28 pm

1 stop7h 43m

Phoenix Sky Harbor Intl

mié. 3/18

1:52 pm-9:59 pm

1 stop5h 07m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

jue. 4/23

7:25 pm-11:24 pm

1 stop6h 59m

Phoenix Sky Harbor Intl

dom. 4/26

10:35 pm-10:24 am

1 stop8h 49m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

dom. 3/15

8:20 pm-11:40 pm

1 stop6h 20m

Phoenix Sky Harbor Intl

mié. 3/18

6:00 am-3:10 pm

1 stop6h 10m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

jue. 3/26

12:48 pm-7:16 pm

1 stop9h 28m

Phoenix Sky Harbor Intl

dom. 3/29

11:59 pm-11:51 am

1 stop8h 52m

$395

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

dom. 2/22

5:49 pm-11:42 pm

1 stop7h 53m

Phoenix Sky Harbor Intl

vie. 2/27

11:50 pm-9:28 am

1 stop7h 38m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Louisville to Sky Harbor Intl

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 Louisville to Sky Harbor Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Louisville-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Louisville-Phoenix Sky Harbor Intl Airport 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 Louisville to Sky Harbor Intl

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

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

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

To ensure you get the cheapest price possible for a flight from Louisville to Phoenix Sky Harbor Intl Airport, you should look to book at least 88 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 Louisville to Phoenix Sky Harbor Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $53). Flying from Louisville to Phoenix Sky Harbor Intl Airport in May 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 SDF to PHX?

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

It’s optimal to fly from Louisville to Phoenix Sky Harbor Intl Airport in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated enero 26, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

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

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

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

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

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

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

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

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

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 Louisville to Sky Harbor Intl. 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 from for flights from Louisville to Phoenix Sky Harbor Intl?

    For a flight from Louisville to Phoenix Sky Harbor Intl, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 1 outbound flight to Phoenix Sky Harbor Intl per day. 4 airlines have flights to Phoenix Sky Harbor Intl from Louisville Intl on a regular basis.

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

    A quick flight from Louisville to Phoenix Sky Harbor Intl Airport can take about 6h 10m. Southwest provides one of the quickest options available for as low as $390. The distance from Louisville to Phoenix Sky Harbor Intl Airport is about 1501 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($192), Delta ($205), and American Airlines ($256) offers the cheapest pricing from Louisville to Phoenix Sky Harbor Intl Airport. United Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $91 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $101 and $153, respectively.

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

    The cheapest flight price from Louisville to Phoenix Sky Harbor Intl Airport is $218. On average you can expect to pay $366. The most popular route, (Louisville Intl - Phoenix Sky Harbor Intl), can usually be booked for $263.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $53). Flying from Louisville to Phoenix Sky Harbor Intl Airport in May 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Glendale
Paradise Valley
Casa Grande
Globe
Peoria
Chandler
Payson
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Louisville to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Louisville to Sky Harbor Intl. 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 enero 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$426FlexibilityNo cancel feeOn-time69%
DeltaCheapest$205Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$256Average$476FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$321Average$499FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.