$125 Cheap Flights from Louisville (SDF) to Phoenix (PHX)

View $125 flight on Wed, Dec 10, 2025Opens in a new window

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

Cheap Flights from Louisville to Phoenix (SDF-PHX)

Prices were available within the past 7 days and start at $125 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 4 - Wed, Feb 11
SDF
Louisville
PHX
Phoenix
$250 Roundtrip, found 3 hours ago
$250
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Louisville to Phoenix, returning Wed, Feb 11, priced at $250 found 3 hours ago
Southwest Airlines
Wed, Feb 4 - Wed, Feb 11
SDF
Louisville
PHX
Phoenix
$251 Roundtrip, found 3 hours ago
$251
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Feb 4 from Louisville to Phoenix, returning Wed, Feb 11, priced at $251 found 3 hours ago
Southwest Airlines
Wed, Feb 4 - Wed, Feb 11
SDF
Louisville
PHX
Phoenix
$256 Roundtrip, found 3 hours ago
$256
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Feb 4 from Louisville to Phoenix, returning Wed, Feb 11, priced at $256 found 3 hours ago
American Airlines
Wed, Feb 4 - Wed, Feb 11
SDF
Louisville
PHX
Phoenix
$256 Roundtrip, found 3 hours ago
$256
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Louisville to Phoenix, returning Wed, Feb 11, priced at $256 found 3 hours ago
Delta
Sat, Nov 8 - Sat, Nov 15
SDF
Louisville
PHX
Phoenix
$257 Roundtrip, found 9 hours ago
$257
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Nov 8 from Louisville to Phoenix, returning Sat, Nov 15, priced at $257 found 9 hours ago
Southwest Airlines
Wed, Dec 3 - Wed, Dec 10
SDF
Louisville
PHX
Phoenix
$261 Roundtrip, found 3 hours ago
$261
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Louisville to Phoenix, returning Wed, Dec 10, priced at $261 found 3 hours ago
United
Sat, Oct 25 - Sat, Nov 1
SDF
Louisville
PHX
Phoenix
$261 Roundtrip, found 6 hours ago
$261
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Oct 25 from Louisville to Phoenix, returning Sat, Nov 1, priced at $261 found 6 hours ago
Delta
Tue, Oct 21 - Sat, Oct 25
SDF
Louisville
PHX
Phoenix
$261 Roundtrip, found 2 hours ago
$261
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Oct 21 from Louisville to Phoenix, returning Sat, Oct 25, priced at $261 found 2 hours ago
Delta
Tue, Oct 21 - Wed, Oct 22
SDF
Louisville
PHX
Phoenix
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from Louisville to Phoenix, returning Wed, Oct 22, priced at $261 found 1 day ago
Alaska Airlines
Tue, Nov 4 - Sat, Nov 8
SDF
Louisville
PHX
Phoenix
$739 Roundtrip, just found
$739
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Nov 4 from Louisville to Phoenix, returning Sat, Nov 8, priced at $739 just found

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

February is typically the cheapest month to fly

From $189 - $534 per traveler.

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $515
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $515
Flights from Louisville (SDF) to Phoenix (PHX)
Origin airport
Louisville Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$250
Distance
1502 mi
Average flight time
1 hour 45 mins

Louisville to Phoenix Flights

The cheapest times to fly from Louisville to Phoenix

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 Louisville to Phoenix are during the month of February. You can find some of the cheapest flights from Louisville to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Phoenix

Sunday is one of the best days to book for cheap flights from Louisville to Phoenix: 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 Louisville to Phoenix

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 Louisville to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Louisville to Phoenix 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 Louisville to Phoenix 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 Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX) cost?
Lock in a cheap one-way flight from $125 or cheap return flight from $250 from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
The cheapest month to fly from SDF to PHX is February, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
Which airlines fly direct from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
Take a direct flight with Southwest Airlines and journey straight from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX).
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDF to PHX. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
On average, Louisville Intl. Airport (SDF) only offers 1 nonstop flight to Sky Harbor Intl. Airport (PHX) every day. For more options, try Expedia's easy-to-use filter tool. Just enter your dates of travel, then click on "1 Stop" or "2+ Stops" to find flights offering layovers.
What are the most popular departure times for flights from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
The 12 PM departures from SDF to PHX see the highest demand. They can also be more expensive. If you're hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from SDF to PHX?
If you jet off on a Friday, you'll get the largest range of choices for flights from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
Louisville Intl. Airport (SDF)'s earliest flight to Sky Harbor Intl. Airport (PHX) takes off at approximately 10:50AM UTC-5. With a travel time of 4h 10m, you'll land at around 1:00PM UTC-7.
How long does it take to fly from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
Flights from SDF to PHX have an average travel time of 4 hours and 10 minutes. The distance between the two airports is 1,500 mi.
What airline has the least delays from SDF to PHX?
Consider traveling with Southwest Airlines if you'd like to fly straight from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 82%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
To reach Sky Harbor Intl. Airport (PHX) on time, opt for a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Phoenix from Louisville Intl. Airport (SDF)?
If you're on a direct flight from Louisville Intl. Airport (SDF) to Phoenix, Sky Harbor Intl. Airport (PHX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your flight from SDF to PHX shortly before your getaway is usually more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SDF to PHX flight and hotel package?
You can save money by booking a SDF to PHX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Sky Harbor Intl. Airport (PHX)?
In most instances, you're able to cancel or reschedule your SDF to PHX flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.