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$149+ Cheap flights from Phoenix 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SDF
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Louisville Intl are usually found in August or November, booked 40 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Phoenix to Louisville

Cheapest flights from Phoenix to Louisville
Explore the most affordable flight options available from Phoenix to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 8/73:00 pm
PHX
-
SDF
1 stop6h 34m
Delta
Sun 8/95:25 pm
SDF
-
PHX
1 stop7h 07m
Delta
Deal found 7/17$297
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.
Wed 8/1211:32 am
PHX
-
SDF
2 stops9h 27m
United Airlines
Sun 8/167:25 am
SDF
-
PHX
1 stop5h 57m
United Airlines
Deal found 7/20$302
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:57 am
PHX
-
SDF
1 stop5h 54m
Delta
Fri 10/3012:53 pm
SDF
-
PHX
1 stop8h 54m
Delta
Deal found 7/20$307
This United Airlines deal was found by Cheapflights users on 7/16. 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 10/811:52 pm
PHX
-
SDF
1 stop6h 45m
United Airlines
Tue 10/133:37 pm
SDF
-
PHX
1 stop6h 51m
United Airlines
Deal found 7/16$331
This United Airlines deal was found by Cheapflights users on 7/16. 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 10/811:52 pm
PHX
-
SDF
1 stop6h 45m
United Airlines
Sun 10/115:15 am
SDF
-
PHX
1 stop6h 39m
United Airlines
Deal found 7/16$333
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:23 am
PHX
-
SDF
1 stop6h 20m
American Airlines
Fri 9/185:59 pm
SDF
-
PHX
1 stop7h 39m
American Airlines
Deal found 7/19$338
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.
Mon 8/1711:32 am
PHX
-
SDF
2 stops9h 27m
United Airlines
Mon 8/248:00 am
SDF
-
PHX
1 stop5h 37m
United Airlines
Deal found 7/18$340
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 10/511:59 pm
PHX
-
SDF
1 stop8h 37m
Delta
Tue 10/133:24 pm
SDF
-
PHX
1 stop8h 38m
Delta
Deal found 7/16$342
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/1310:26 am
PHX
-
SDF
2 stops9h 05m
United Airlines
Tue 8/188:00 am
SDF
-
PHX
1 stop5h 37m
United Airlines
Deal found 7/16$343
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am
PHX
-
SDF
1 stop7h 24m
Delta
Mon 10/55:50 pm
SDF
-
PHX
1 stop6h 23m
Delta
Deal found 7/20$348
This United Airlines deal was found by Cheapflights users on 7/16. 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 12/210:50 am
PHX
-
SDF
2 stops7h 24m
United Airlines
Tue 2/26:00 pm
SDF
-
PHX
1 stop6h 44m
United Airlines
Deal found 7/16$368
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 10/511:05 pm
PHX
-
SDF
1 stop7h 54m
Delta
Sat 10/107:05 pm
SDF
-
PHX
1 stop7h 16m
Delta
Deal found 7/16$371

Find flight deals from Phoenix to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 July 21, 2026.

Round-trip from

$297
(Delta)

One-way from

$149
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$450
From Phoenix to Louisville Intl
Search Deals
One-way flight from Phoenix to Louisville Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 July 21, 2026.
Use the filters below to find and compare flights from Phoenix to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 10/28

11:35 pm-9:54 am

1 stop7h 19m

Louisville Intl

Fri 10/30

12:53 pm-6:47 pm

1 stop8h 54m

$297

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/20

11:05 pm-9:54 am

1 stop7h 49m

Louisville Intl

Mon 8/24

9:52 am-2:50 pm

1 stop7h 58m

$297

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Sat 8/22

6:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Wed 8/26

5:15 am-10:37 am

2 stops8h 22m

$302

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 8/26

6:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Sat 8/29

1:50 pm-8:24 pm

2 stops9h 34m

$302

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 8/21

6:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Wed 8/26

5:15 am-10:37 am

2 stops8h 22m

$302

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 10/15

4:50 pm-11:10 pm

Nonstop3h 20m

Louisville Intl

Mon 10/19

6:35 am-7:30 am

Nonstop3h 55m

$377

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 9/16

8:00 am-10:36 pm

2 stops11h 36m

Louisville Intl

Fri 9/18

5:15 am-3:16 pm

2 stops13h 01m

$407

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Fri 8/14

10:26 am-10:31 pm

2 stops9h 05m

Louisville Intl

Sun 8/16

5:10 am-2:55 pm

2 stops12h 45m

$407

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Wed 10/28

9:25 am-6:30 pm

1 stop6h 05m

Louisville Intl

Fri 10/30

7:15 am-11:05 am

2 stops6h 50m

$426
Quickest round-trip

PhoenixLouisville

PHX - SDF

PHXSDF

Phoenix Sky Harbor Intl

Thu 8/20

4:40 pm-11:05 pm

Nonstop3h 25m

Louisville Intl

Mon 8/24

11:05 am-11:50 am

Nonstop3h 45m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Phoenix to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Phoenix 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 to Louisville

What is the cheapest month to book a flight from Phoenix to Louisville?

Currently, August is the cheapest month in which you can book a flight from Phoenix to Louisville (average of $337). Flying from Phoenix to Louisville in September is currently the most expensive (average of $486). 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 Phoenix 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 July 21, 2026.

It’s typically best to fly out from Phoenix to Louisville in the evening. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Phoenix to Louisville?

How far ahead should I book a flight from Phoenix to Louisville?

The price you pay for your flight from Phoenix to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 21, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Phoenix to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,475 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,014 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,836 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,018 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from Phoenix. On average, Louisville Intl has 0 inbound flights from Phoenix per day from 5 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How long is the flight from Phoenix to Louisville?

    For as low as $302, Delta can have you in Louisville from Phoenix in 5h 29m. Airlines will cover a distance of 1501 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Phoenix to Louisville round-trip?

    Cheapflights users have booked flights from Phoenix to Louisville round-trip from $182. Other airlines that can offer you cheap pricing are JetBlue, from $238, and American Airlines, from $256. You may be able to fly from Phoenix to Louisville for 56% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Phoenix to Louisville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $113. Delta flights start at $148 while deals on United Airlines start at $148 one-way.

  • What are the cheapest flights from Phoenix to Louisville?

    On average you can expect to pay $559 for a flight from Phoenix to Louisville. The cheapest flight overall is $360 while the most popular route, (Phoenix Sky Harbor Intl - Louisville Intl) is currently priced at $297.

  • Can I find deals for flights from Phoenix to Louisville that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Louisville?

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

  • Can I find deals for business class flights from Phoenix to Louisville?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Louisville?

    Currently, August is the cheapest month in which you can book a flight from Phoenix to Louisville (average of $337). Flying from Phoenix to Louisville in September is currently the most expensive (average of $486). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Phoenix to Louisville

Discover the top 5 airlines that operate flights from Phoenix 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$396FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$238Average$351FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$256Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$261Average$378FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$488FlexibilityNo cancel feeOn-time63%

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