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Sky Harbor Intl

$111+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PHX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Phoenix Sky Harbor Intl are usually found in August or September, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$221
(Kiwi.com)

One-way from

$111
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$478

Good round-trip deal

$353 or less

Good one-way deal

$258 or less
From Louisville Intl to Phoenix Sky Harbor Intl
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One-way flight from Louisville Intl to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Louisville Intl to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Louisville Intl to Phoenix Sky Harbor Intl.
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:20 pmSDF - PHX
1 stop8h 28mMultiple Airlines
Wed 11/1211:38 amPHX - SDF
1 stop26h 34mMultiple Airlines
Deal found 9/10$221
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:57 pmSDF - PHX
1 stop24h 09mMultiple Airlines
Sat 10/251:33 pmPHX - SDF
1 stop21h 29mMultiple Airlines
Deal found 9/10$222
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:20 pmSDF - PHX
1 stop8h 28mMultiple Airlines
Thu 11/137:01 amPHX - SDF
1 stop7h 11mMultiple Airlines
Deal found 9/10$230
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:20 pmSDF - PHX
1 stop8h 14mMultiple Airlines
Mon 11/107:01 amPHX - SDF
1 stop7h 11mMultiple Airlines
Deal found 9/10$238
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:39 amSDF - PHX
1 stop10h 55mAmerican Airlines
Sat 11/225:00 amPHX - SDF
1 stop9h 50mAmerican Airlines
Deal found 9/10$239
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:57 pmSDF - PHX
1 stop7h 51mMultiple Airlines
Sun 10/261:43 pmPHX - SDF
1 stop21h 19mMultiple Airlines
Deal found 9/9$242
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:20 pmSDF - PHX
1 stop8h 14mMultiple Airlines
Thu 11/137:01 amPHX - SDF
1 stop7h 11mMultiple Airlines
Deal found 9/9$246
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:43 pmSDF - PHX
1 stop9h 40mAmerican Airlines
Wed 12/31:35 pmPHX - SDF
1 stop6h 15mAmerican Airlines
Deal found 9/11$250
This Southwest deal was found by Cheapflights users on 9/11. 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.
Wed 11/195:50 pmSDF - PHX
Nonstop4h 05mSouthwest
Wed 12/312:55 pmPHX - SDF
Nonstop3h 15mSouthwest
Deal found 9/11$251
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:58 pmSDF - PHX
1 stop17h 55mMultiple Airlines
Thu 10/165:45 amPHX - SDF
1 stop29h 17mMultiple Airlines
Deal found 9/9$260

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 September 11, 2025.
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 11/19

6:03 pm-10:40 pm

1 stop6h 37m

Phoenix Sky Harbor Intl

Tue 12/2

6:00 am-2:13 pm

1 stop6h 13m

$261

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Mon 10/20

8:10 pm-11:05 pm

1 stop5h 55m

Phoenix Sky Harbor Intl

Sat 10/25

8:05 am-2:25 pm

Nonstop3h 20m

$366

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 12/9

5:50 pm-7:55 pm

Nonstop4h 05m

Phoenix Sky Harbor Intl

Sun 12/14

5:15 pm-10:30 pm

Nonstop3h 15m

$373

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 12/4

5:50 pm-7:55 pm

Nonstop4h 05m

Phoenix Sky Harbor Intl

Fri 12/5

12:55 pm-6:10 pm

Nonstop3h 15m

$379

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Fri 10/10

7:20 pm-11:05 am

1 stop18h 45m

Phoenix Sky Harbor Intl

Tue 10/14

1:36 pm-10:30 pm

1 stop5h 54m

$381

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Thu 2/26

7:55 pm-12:15 am

1 stop6h 20m

Phoenix Sky Harbor Intl

Mon 3/2

5:15 pm-10:25 pm

Nonstop3h 10m

$383

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Tue 9/30

1:58 pm-12:15 am

2 stops13h 17m

Phoenix Sky Harbor Intl

Fri 10/3

6:30 pm-9:59 am

1 stop12h 29m

$386

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Wed 11/12

2:22 pm-7:17 pm

1 stop6h 55m

Phoenix Sky Harbor Intl

Fri 11/21

12:59 am-11:57 am

1 stop8h 58m

$397

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Wed 11/5

5:58 pm-11:56 pm

1 stop7h 58m

Phoenix Sky Harbor Intl

Sun 11/9

11:50 pm-9:51 am

1 stop8h 01m

$400

LouisvillePhoenix

SDF - PHX

SDFPHX

Louisville Intl

Wed 11/19

2:22 pm-7:17 pm

1 stop6h 55m

Phoenix Sky Harbor Intl

Thu 11/20

12:59 am-11:57 am

1 stop8h 58m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results
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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 August 29, 2025.

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 75 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, January is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Louisville to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 September 11, 2025.

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 10% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to Sky Harbor Intl. Price data was last updated on September 7, 2025.

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

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 September 11, 2025.
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
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

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
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

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 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 5h 55m. Delta provides one of the quickest options available for as low as $366. 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, Delta ($209), American Airlines ($293), and Southwest ($371) offers the cheapest pricing from Louisville to Phoenix Sky Harbor Intl Airport. Delta is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $128. On average you can expect to pay $465. The most popular route, (Louisville Intl - Phoenix Sky Harbor Intl), can usually be booked for $221.

  • 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, January is the cheapest month in which you can book a flight from Louisville to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Louisville to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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
Payson
Glendale
Chandler
Globe
Goodyear
Casa Grande
Buckeye
Camp Verde
Surprise
Peoria
Paradise Valley
Avondale
Guadalupe

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$512FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$514FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$399Average$612FlexibilityNo cancel feeOn-time69%

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