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Sky Harbor Intl

$113+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHX
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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

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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Louisville Intl to Phoenix Sky Harbor Intl are usually found in June or November, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Saturday

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 July 23, 2026.

This Delta deal was found by Cheapflights users on 7/19. 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 9/226:30 am
SDF
-
PHX
1 stop6h 55m
Delta
Mon 9/2811:59 pm
PHX
-
SDF
1 stop5h 52m
Delta
Deal found 7/19$297
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/195:15 am
SDF
-
PHX
2 stops8h 22m
United Airlines
Tue 8/251:34 pm
PHX
-
SDF
1 stop5h 57m
United Airlines
Deal found 7/19$302
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.
Sat 8/293:35 pm
SDF
-
PHX
1 stop8h 18m
United Airlines
Wed 9/26:00 am
PHX
-
SDF
1 stop5h 29m
United Airlines
Deal found 7/22$307
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.
Sat 8/2910:23 am
SDF
-
PHX
2 stops9h 47m
United Airlines
Sat 9/56:00 am
PHX
-
SDF
1 stop5h 29m
United Airlines
Deal found 7/21$312
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.
Tue 10/203:37 pm
SDF
-
PHX
1 stop8h 23m
United Airlines
Mon 10/261:46 pm
PHX
-
SDF
1 stop5h 37m
United Airlines
Deal found 7/21$325
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:24 pm
SDF
-
PHX
1 stop16h 11m
Multiple Airlines
Wed 8/192:04 pm
PHX
-
SDF
2 stops23h 25m
Multiple Airlines
Deal found 7/23$326
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/185:15 am
SDF
-
PHX
2 stops8h 22m
United Airlines
Tue 8/251:34 pm
PHX
-
SDF
1 stop5h 57m
United Airlines
Deal found 7/19$328
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.
Tue 8/185:15 am
SDF
-
PHX
2 stops8h 22m
United Airlines
Sun 8/231:34 pm
PHX
-
SDF
1 stop5h 57m
United Airlines
Deal found 7/20$329
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.
Tue 10/133:37 pm
SDF
-
PHX
1 stop6h 51m
United Airlines
Tue 10/201:33 pm
PHX
-
SDF
1 stop5h 57m
United Airlines
Deal found 7/20$331
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/288:00 am
SDF
-
PHX
1 stop5h 37m
United Airlines
Sat 9/56:09 am
PHX
-
SDF
2 stops9h 58m
United Airlines
Deal found 7/18$332
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.
Tue 11/33:25 pm
SDF
-
PHX
1 stop8h 02m
United Airlines
Mon 11/96:20 am
PHX
-
SDF
1 stop6h 00m
United Airlines
Deal found 7/22$335
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/135:15 am
SDF
-
PHX
1 stop6h 39m
United Airlines
Mon 10/1911:52 pm
PHX
-
SDF
1 stop6h 45m
United Airlines
Deal found 7/19$338

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Delta)

One-way from

$113
(Kiwi.com)

Popular in

September

Cheapest in

June

Average price

$450

Good round-trip deal

$324 or less

Good one-way deal

$258 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. 3% potential increase in price ($16 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 July 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 July 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Mon 8/31

7:55 am-1:50 pm

1 stop8h 55m

Phoenix Sky Harbor Intl

Thu 9/3

3:00 pm-12:34 am

1 stop6h 34m

$297

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 8/4

3:25 pm-8:32 pm

1 stop8h 07m

Phoenix Sky Harbor Intl

Fri 8/7

2:45 pm-11:59 pm

1 stop6h 14m

$297

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Sun 8/2

8:10 am-12:03 pm

1 stop6h 53m

Phoenix Sky Harbor Intl

Tue 8/4

5:45 am-5:00 pm

1 stop8h 15m

$297

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Sat 8/29

1:50 pm-8:24 pm

2 stops9h 34m

Phoenix Sky Harbor Intl

Wed 9/2

6:00 am-2:29 pm

1 stop5h 29m

$312

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 10/13

3:24 pm-9:02 pm

1 stop8h 38m

Phoenix Sky Harbor Intl

Tue 10/20

11:35 pm-9:54 am

1 stop7h 19m

$348

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Mon 8/17

8:00 am-10:37 am

1 stop5h 37m

Phoenix Sky Harbor Intl

Mon 8/24

10:26 am-10:31 pm

2 stops9h 05m

$374

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Sat 8/29

4:50 pm-8:00 pm

1 stop6h 10m

Phoenix Sky Harbor Intl

Wed 9/2

11:35 am-5:55 pm

Nonstop3h 20m

$382

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 9/3

2:15 pm-7:55 pm

1 stop8h 40m

Phoenix Sky Harbor Intl

Mon 9/7

4:40 pm-11:05 pm

Nonstop3h 25m

$382
Quickest round-trip

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 10/20

7:10 pm-8:05 pm

Nonstop3h 55m

Phoenix Sky Harbor Intl

Tue 10/27

12:00 pm-8:10 pm

1 stop5h 10m

$387

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Fri 8/21

10:23 am-3:20 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Tue 8/25

1:34 pm-10:31 pm

1 stop5h 57m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 21 resultsSorted by cheapest first
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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 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 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?

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 80 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, June is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $377). Flying from Louisville to Phoenix Sky Harbor Intl Airport in September is currently the most expensive (average of $499). 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 July 23, 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 35% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from Louisville to Phoenix Sky Harbor Intl Airport?

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 July 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
4,238 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Delta
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
United Airlines
7.4
Good
10,024 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
American Airlines
7.1
Good
11,832 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

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 8h 07m. Delta provides one of the quickest options available for as low as $297. 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, American Airlines ($218), United Airlines ($235), and Delta ($256) offers the cheapest pricing from Louisville to Phoenix Sky Harbor Intl Airport. American Airlines is 50% 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 American Airlines and Delta, with prices starting from $118 and $118, 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 $168. On average you can expect to pay $371. The most popular route, (Louisville Intl - Phoenix Sky Harbor Intl), can usually be booked for $297.

  • 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, June is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $377). Flying from Louisville to Phoenix Sky Harbor Intl Airport in September is currently the most expensive (average of $499). 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
Glendale
Buckeye
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Casa Grande
Chandler
Camp Verde
Globe
Payson
Fountain Hills
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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$410FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$374FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$307Average$480FlexibilityNo cancel feeOn-time63%

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