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Sky Harbor Intl

$94+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHX
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Find cheap flights from Louisville to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Phoenix Sky Harbor Intl are usually found in August or November, booked 89 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 February 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/1412:42 pm
SDF
-
PHX
2 stops27h 13m
Multiple Airlines
Fri 4/2412:30 am
PHX
-
SDF
1 stop16h 02m
Multiple Airlines
Deal found 2/12$329
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Mon 4/137:48 pm
SDF
-
PHX
2 stops42h 21m
Multiple Airlines
Sun 4/2612:30 am
PHX
-
SDF
1 stop8h 11m
Multiple Airlines
Deal found 2/12$330
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Wed 5/139:21 am
SDF
-
PHX
1 stop10h 37m
Multiple Airlines
Wed 5/206:50 am
PHX
-
SDF
2 stops27h 37m
Multiple Airlines
Deal found 2/13$331
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/305:47 pm
SDF
-
PHX
1 stop8h 46m
United Airlines
Wed 5/67:05 pm
PHX
-
SDF
2 stops11h 20m
United Airlines
Deal found 2/13$332
This United Airlines deal was found by Cheapflights users on 2/14. 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 2/189:00 am
SDF
-
PHX
2 stops8h 29m
United Airlines
Fri 2/201:31 pm
PHX
-
SDF
1 stop6h 15m
United Airlines
Deal found 2/14$333
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Mon 4/65:43 pm
SDF
-
PHX
1 stop7h 32m
United Airlines
Fri 4/1011:59 pm
PHX
-
SDF
1 stop6h 26m
United Airlines
Deal found 2/14$334
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Mon 4/137:48 pm
SDF
-
PHX
2 stops42h 21m
Multiple Airlines
Fri 4/2412:30 am
PHX
-
SDF
1 stop16h 02m
Multiple Airlines
Deal found 2/12$335
This United Airlines deal was found by Cheapflights users on 2/13. 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 8/136:00 am
SDF
-
PHX
1 stop7h 56m
United Airlines
Sun 8/1611:59 pm
PHX
-
SDF
1 stop7h 18m
United Airlines
Deal found 2/13$340
This American Airlines deal was found by Cheapflights users on 2/14. 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 4/48:00 pm
SDF
-
PHX
1 stop7h 07m
American Airlines
Thu 4/96:00 am
PHX
-
SDF
1 stop7h 05m
American Airlines
Deal found 2/14$344
This Delta deal was found by Cheapflights users on 2/13. 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.
Tue 3/1712:48 pm
SDF
-
PHX
1 stop7h 47m
Delta
Fri 3/2010:30 pm
PHX
-
SDF
1 stop7h 58m
Delta
Deal found 2/13$345
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 2/243:30 pm
SDF
-
PHX
1 stop8h 59m
United Airlines
Wed 3/257:36 am
PHX
-
SDF
1 stop9h 06m
United Airlines
Deal found 2/14$347

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 February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Kiwi.com)

One-way from

$94
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$466

Good round-trip deal

$427 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 ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 16, 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

Wed 6/3

5:35 am-2:41 pm

2 stops12h 06m

Phoenix Sky Harbor Intl

Wed 6/10

12:20 pm-10:15 pm

1 stop6h 55m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Fri 5/8

7:20 pm-11:23 pm

1 stop7h 03m

Phoenix Sky Harbor Intl

Tue 5/12

9:50 am-10:30 pm

2 stops9h 40m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Fri 5/29

7:37 pm-11:22 pm

1 stop6h 45m

Phoenix Sky Harbor Intl

Sat 6/6

6:10 am-10:30 pm

2 stops13h 20m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Sun 5/24

5:35 am-3:09 pm

2 stops12h 34m

Phoenix Sky Harbor Intl

Wed 5/27

11:58 pm-9:45 am

1 stop6h 47m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 4/30

10:14 am-8:40 pm

2 stops13h 26m

Phoenix Sky Harbor Intl

Wed 5/6

12:30 pm-9:59 pm

1 stop6h 29m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 4/30

10:14 am-8:40 pm

2 stops13h 26m

Phoenix Sky Harbor Intl

Sun 5/3

11:30 pm-9:25 am

1 stop6h 55m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 3/3

5:35 am-2:21 pm

2 stops10h 46m

Phoenix Sky Harbor Intl

Tue 3/17

7:36 am-7:42 pm

1 stop9h 06m

$332

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 4/2

4:30 pm-11:25 pm

2 stops9h 55m

Phoenix Sky Harbor Intl

Sun 4/5

5:10 am-3:15 pm

1 stop7h 05m

$333

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Mon 3/2

3:15 pm-10:50 pm

2 stops9h 35m

Phoenix Sky Harbor Intl

Wed 3/4

8:30 am-10:37 pm

2 stops12h 07m

$337

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Wed 4/8

10:00 am-8:19 pm

2 stops13h 19m

Phoenix Sky Harbor Intl

Wed 4/15

7:38 pm-9:25 am

2 stops10h 47m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 22 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 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 February 13, 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 February 16, 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 23% on the cost of your flight, compared to a flight in the evening.

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 February 16, 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
4,286 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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
8,205 reviews
Southwest
8.0
Very good
4,286 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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
9,300 reviews
Southwest
8.0
Very good
4,286 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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
11,290 reviews
Southwest
8.0
Very good
4,286 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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 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 0 outbound flights 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 12h 06m. United Airlines provides one of the quickest options available for as low as $332. The distance from Louisville to Phoenix Sky Harbor Intl Airport is about 1501 mi.

  • 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 ($243) 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 $418. The most popular route, (Louisville Intl - Phoenix Sky Harbor Intl), can usually be booked for $237.

  • 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
Chandler
Payson
Camp Verde
Peoria
Buckeye
Surprise
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$426FlexibilityNo cancel feeOn-time69%
DeltaCheapest$205Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$452FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$324Average$507FlexibilityNo cancel feeOn-time63%

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