$163 Cheap Flights from Louisville (SDF) to Phoenix (PHX)
Popular airlines from Louisville Intl. Airport (SDF) to Phoenix Sky Harbor Intl. Airport (PHX)
American AirlinesAmerican Airlines
DeltaDelta
UnitedUnited
Southwest AirlinesSouthwest Airlines
Alaska AirlinesAlaska Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Louisville to Phoenix (SDF-PHX)
Alternative airports near Phoenix
Prices were available within the past 7 days. Prices and availability are subject to change.
Book with confidence
Louisville (SDF) to Phoenix (PHX) at a glance
Travel from Louisville (SDF) to Phoenix (PHX) with a range of airlines offering weekly flights on this domestic short-haul route. Explore options from both full-service and low-cost carriers to discover cheap flights from Louisville that align with your budget and travel plans. As you prepare to visit Phoenix’s iconic attractions and vibrant neighborhoods, find all the essential details for flights departing from Louisville International Airport (SDF) to Sky Harbor International Airport (PHX).
- Fastest flight duration: around 4 hours non-stop
- Route distance: roughly 1,500 miles (2,410 km)
- Flights per week: around 15+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $120–$445, depending on seasonality and how far ahead you book
Flights from Louisville International Airport (SDF) to Sky Harbor International Airport (PHX)
Based on the latest traveler bookings, here are the top airlines favored by passengers flying from Louisville to Phoenix, featuring both non-stop and one-stop options. Common layover points include Dallas-Fort Worth International Airport (DFW, approximately 1 hour 15 minutes), O'Hare International Airport (ORD, around 1 hour 15 minutes), and Charlotte-Douglas International Airport (CLT, about 55 minutes). This variety allows you to easily balance price, total travel time, and cabin class to find the ideal itinerary.
- American Airlines: As a full-service airline, it provides both non-stop and one-stop flights. One-way ticket prices generally fall between $120 and $415. This carrier represents about 38% of the departures on this route, with a typical one-stop flight lasting around 5 hours and 30 minutes, leading to a total travel time of approximately 6 hours and 45 minutes.
- Southwest Airlines: Known for its budget-friendly fares, this low-cost airline offers non-stop and one-stop options. One-way rates usually vary from $130 to $495. Southwest accounts for roughly 37% of the flights on this route, with non-stop travel taking about 4 hours.
- Delta: This full-service airline provides one-stop services, with one-way fares typically ranging from $120 to $405. Delta represents roughly 12% of departures along this route, featuring an in-flight duration of 5 hours and 30 minutes, resulting in a total journey time of about 6 hours and 45 minutes, including layover time.
- United: Another full-service option, United offers one-stop service with one-way fares that usually range from $135 to $445. It also comprises around 12% of departures on this route, with an in-flight time of approximately 5 hours and 30 minutes, culminating in a total journey length of around 6 hours and 45 minutes, factoring in layover time.
Travelers flying from Louisville to Phoenix can opt for an upgrade, with American Airlines and United both providing first-class service on this route.
Best time to fly from Louisville (SDF) to Phoenix (PHX)
The most popular months for travelers flying from Louisville to Phoenix are February, March, and April, when peak temperatures in Phoenix reach up to 74.5°F in April. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 94.8°F and typically the lowest average one-way fare (around $233). Flight availability peaks in March, with approximately 23 flights per week, making it easier to find convenient departure times. June has the fewest flights, with approximately 12 flights per week.
- Cheapest time to fly: August usually offers good deals with average one-way fare around $233, roughly 12% cheaper than the yearly average.
- More budget-friendly months to fly: April and February typically offer average one-way fares roughly ranging from $238 to $249.
- Most flight options: March has the highest number of flights from Louisville to Phoenix, with approximately 23 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 55.4°F (13.0°C) | Average | 16 | $272 |
| February | 58.6°F (14.8°C) | High | 20 | $249 |
| March | 66.0°F (18.9°C) | High | 23 | $262 |
| April | 74.5°F (23.6°C) | High | 21 | $238 |
| May | 82.0°F (27.8°C) | Average | 17 | $299 |
| June | 92.3°F (33.5°C) | Low | 12 | $259 |
| July | 95.7°F (35.4°C) | Low | 15 | $289 |
| August | 94.8°F (34.9°C) | Low | 16 | $233 |
| September | 89.8°F (32.1°C) | Average | 18 | $267 |
| October | 77.7°F (25.4°C) | Average | 18 | $260 |
| November | 65.5°F (18.6°C) | Average | 18 | $277 |
| December | 55.4°F (13.0°C) | Average | 19 | $278 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Louisville (SDF) to Phoenix (PHX)
- Louisville to Mesa (SDF-MSC): Falcon Field Municipal Airport (MSC) is located approximately 16 miles from Sky Harbor International Airport (PHX), offering convenient access for travelers headed to the area.
- Louisville to Phoenix (SDF-DVT): Phoenix Deer Valley Airport (DVT) lies around 18 miles from Sky Harbor International Airport (PHX), making it a practical choice for flights into Phoenix.
- Louisville to Mesa (SDF-AZA): Phoenix - Mesa Gateway Airport (AZA) is situated roughly 22 miles from Sky Harbor International Airport (PHX), providing another viable option for reaching the region.
How to find the best prices for flights from Louisville (SDF) to Phoenix (PHX)
Getting some of the best deals on flights from Louisville to Phoenix is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Departures in the morning (5 am-12 pm) tend to be less expensive and are also the most popular. Additionally, flying on Wednesday generally offers lower prices, while Friday remains the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Sky Harbor International Airport from Louisville International Airport
Phoenix welcomes travelers from Louisville with a range of transport options based on price, convenience, and proximity. Here's how to reach Phoenix efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Phoenix, with private rides that can be arranged in advance.
- Car rental: Renting a car from Sky Harbor International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sky Harbor International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Sky Harbor International Airport, Terminal 3 Station (a metro station) is located about 0.1 miles from the airport on foot, while the Phoenix Airport Bus Stop (a bus station) is situated approximately 0.2 miles away on foot, providing convenient access to public transport options.
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 December. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $163 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, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $163 and cheap return flights $326 Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights generally range between $203 and $856, and roundtrip flights usually range from $389 to $1265. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The cheapest month to fly from SDF to PHX is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
You can fly direct from SDF to PHX on American Airlines, with around 14 flights per week.
What is the cheapest airline that flies from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Spirit Airlines is one of the cheapest airlines offering connecting flights from Louisville Intl. (SDF) to Sky Harbor Intl. (PHX) with return tickets starting from around $252. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Louisville, KY (SDF) to Phoenix, AZ (PHX) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Louisville to Phoenix, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
You can find approximately 1 nonstop flights per day from Louisville Intl. (SDF) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Louisville International Airport (SDF) to Sky Harbor International Airport (PHX) typically leaves at 5:00 AM, operated by American Airlines. This seasonal service is available in February, allowing you to start your day early in Phoenix. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and Delta, offer flights during this window. This timing is favored as it allows you to arrive in Phoenix with a full day ahead of you.
How long does it take to fly from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A nonstop flight from SDF to PHX typically takes around 4 hours, covering approximately 1,503 miles. Connecting flights on this route usually add 2 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
First class is available on flights from SDF to PHX. First class cabins are available on:
- American Airlines
- Delta Air Lines
- United Airlines
How do I earn miles on a Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Phoenix from Louisville Intl. (SDF)?
From Louisville Intl. (SDF), you can fly into Sky Harbor Intl. (PHX) to reach Phoenix. Some flights may connect through major hubs like O'Hare Intl. (ORD), Midway Intl. (MDW), Dallas-Fort Worth Intl. (DFW) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Louisville, KY (SDF-Louisville Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Louisville Intl. Airport |
|---|---|
Destination airport | Phoenix Sky Harbor Intl. Airport |
Distance | 1,502 miles away |
Airlines serving | American Airlines, Delta, United, Southwest Airlines, Alaska Airlines |
Popular airline | American Airlines |
Roundtrip price | $326 |
Average flight time | 3 hours 55 mins |