$90 Cheap Flights from Phoenix (PHX) to Louisville (SDF)

View $90 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)

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Cheap Flights from Phoenix to Louisville (PHX-SDF)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Oct 25 - Sat, Nov 1
PHX
Phoenix
SDF
Louisville
$179 Roundtrip, found 22 hours ago
$179
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Sat, Oct 25 from Phoenix to Louisville, returning Sat, Nov 1, priced at $179 found 22 hours ago
American Airlines
Wed, Dec 3 - Mon, Dec 8
PHX
Phoenix
SDF
Louisville
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 3 from Phoenix to Louisville, returning Mon, Dec 8, priced at $179 found 2 days ago
American Airlines
Wed, Aug 13 - Wed, Aug 20
PHX
Phoenix
SDF
Louisville
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 13 from Phoenix to Louisville, returning Wed, Aug 20, priced at $187 found 3 days ago
Southwest Airlines
Tue, Aug 12 - Thu, Aug 14
PHX
Phoenix
SDF
Louisville
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Phoenix to Louisville, returning Thu, Aug 14, priced at $190 found 1 day ago
Southwest Airlines
Tue, Aug 12 - Thu, Aug 14
PHX
Phoenix
SDF
Louisville
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Phoenix to Louisville, returning Thu, Aug 14, priced at $195 found 1 day ago
Spirit Airlines
Thu, Aug 7 - Sat, Aug 9
PHX
Phoenix
SDF
Louisville
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Phoenix to Louisville, returning Sat, Aug 9, priced at $197 found 1 day ago
Southwest Airlines
Wed, Sep 10 - Sun, Sep 14
PHX
Phoenix
SDF
Louisville
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Phoenix to Louisville, returning Sun, Sep 14, priced at $199 found 2 days ago
Southwest Airlines
Wed, Oct 29 - Sun, Nov 2
PHX
Phoenix
SDF
Louisville
$200 Roundtrip, found 22 hours ago
$200
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Phoenix to Louisville, returning Sun, Nov 2, priced at $200 found 22 hours ago
Delta
Fri, Aug 15 - Sun, Aug 24
PHX
Phoenix
SDF
Louisville
$232 Roundtrip, found 17 hours ago
$232
Roundtrip
found 17 hours ago
Select Delta flight, departing Fri, Aug 15 from Phoenix to Louisville, returning Sun, Aug 24, priced at $232 found 17 hours ago
United
Tue, Aug 26 - Thu, Aug 28
PHX
Phoenix
SDF
Louisville
$347 Roundtrip, just found
$347
Roundtrip
just found
Select United flight, departing Tue, Aug 26 from Phoenix to Louisville, returning Thu, Aug 28, priced at $347 just found

Find the cheapest month to fly from Phoenix (PHX) to Louisville (SDF)

January is typically the cheapest month to fly

From $179 - $613 per traveler.

Graph displaying average flight prices per month

Flights from Phoenix (PHX) to Louisville (SDF)
Origin airport
Sky Harbor Intl.
Destination airport
Louisville Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$178
Distance
1502 mi
Average flight time
7 hours 3 mins

Phoenix to Louisville Flights

The cheapest times to fly from Phoenix to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Louisville are during the month of October. You can find some of the cheapest flights from Phoenix to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Louisville

Sunday is one of the best days to book for cheap flights from Phoenix to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF) cost?
Pick up cheap return fares starting from $297 from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving PHX on July 31 2025 and touching down at SDF. The price was last updated on July 8 2025 and has not changed since.
What is the cheapest month to fly from PHX to SDF?
The cheapest flights from PHX to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
When setting off from Sky Harbor Intl. Airport (PHX), you can take a direct flight to Louisville Intl. Airport (SDF) with Southwest Airlines.
What is the cheapest airline that flies from PHX to SDF?
Take off from PHX to SDF with Southwest Airlines. This airline currently offers the lowest one-way fare for this route, starting from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on September 25 2025. Prices were last updated on July 8 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
On average, just 1 direct flight departs each day from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF). Want more options? Use Expedia's filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
The 2 PM departures from PHX to SDF are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from PHX to SDF?
Sunday has the most flights from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF). Consider taking off on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
The earliest flight taking off from Sky Harbor Intl. Airport (PHX) is at around 2:55PM UTC-7. Hop on this flight and you'll land at Louisville Intl. Airport (SDF) at approximately 8:10PM UTC-5. The total flight duration is 3h 15m.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
The average flight duration from PHX to SDF is 3 hours and 13 minutes, covering a total distance of 1,500 mi.
What airline has the least delays from PHX to SDF?
Consider booking with Southwest Airlines if you'd like to go straight from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 82%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
Book a flight from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Louisville from Sky Harbor Intl. Airport (PHX)?
Louisville Intl. Airport (SDF) is the only airport in Louisville with direct flights from Sky Harbor Intl. Airport (PHX). Browse the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF) last-minute?
Last-minute bookings from PHX to SDF are usually more expensive. For the cheapest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a PHX to SDF flight and hotel package?
Securing a PHX to SDF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Louisville Intl. Airport (SDF)?
Typically, you can reschedule or cancel your PHX to SDF flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

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