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$76 Cheap Flights from Phoenix (PHX) to Knoxville (TYS)

View $76 flight on Sun, Nov 1, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)

Cheap Flights from Phoenix to Knoxville (PHX-TYS)

Prices were available within the past 7 days and start at $76 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air
Thu, Jan 21 - Sun, Jan 24
PHX
Phoenix
TYS
Knoxville
$139 Roundtrip, found 9 hours ago
$139
Roundtrip
found 9 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Phoenix to Knoxville, returning Sun, Jan 24, priced at $139 found 9 hours ago
Allegiant Air
Sun, Jan 10 - Sun, Jan 24
PHX
Phoenix
TYS
Knoxville
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Sun, Jan 10 from Phoenix to Knoxville, returning Sun, Jan 24, priced at $147 found 3 days ago
Allegiant Air
Thu, Feb 4 - Sun, Feb 7
PHX
Phoenix
TYS
Knoxville
$155 Roundtrip, found 1 day ago
$155
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Feb 4 from Phoenix to Knoxville, returning Sun, Feb 7, priced at $155 found 1 day ago
Allegiant Air
Sun, Jan 10 - Sun, Jan 17
PHX
Phoenix
TYS
Knoxville
$162 Roundtrip, just found
$162
Roundtrip
just found
Select Allegiant Air flight, departing Sun, Jan 10 from Phoenix to Knoxville, returning Sun, Jan 17, priced at $162 just found
Allegiant Air
Sun, Jan 24 - Sun, Jan 31
PHX
Phoenix
TYS
Knoxville
$164 Roundtrip, found 6 hours ago
$164
Roundtrip
found 6 hours ago
Select Allegiant Air flight, departing Sun, Jan 24 from Phoenix to Knoxville, returning Sun, Jan 31, priced at $164 found 6 hours ago
Allegiant Air
Thu, Jan 14 - Sun, Jan 17
PHX
Phoenix
TYS
Knoxville
$170 Roundtrip, found 20 hours ago
$170
Roundtrip
found 20 hours ago
Select Allegiant Air flight, departing Thu, Jan 14 from Phoenix to Knoxville, returning Sun, Jan 17, priced at $170 found 20 hours ago
Southwest Airlines
Thu, Jan 21 - Sun, Jan 24
PHX
Phoenix
TYS
Knoxville
$227 Roundtrip, found 20 hours ago
$227
Roundtrip
found 20 hours ago
Select Southwest Airlines flight, departing Thu, Jan 21 from Phoenix to Knoxville, returning Sun, Jan 24, priced at $227 found 20 hours ago
American Airlines
Sat, Oct 31 - Tue, Nov 3
PHX
Phoenix
TYS
Knoxville
$261 Roundtrip, just found
$261
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 31 from Phoenix to Knoxville, returning Tue, Nov 3, priced at $261 just found
Delta
Sat, Oct 31 - Tue, Nov 3
PHX
Phoenix
TYS
Knoxville
$261 Roundtrip, just found
$261
Roundtrip
just found
Select Delta flight, departing Sat, Oct 31 from Phoenix to Knoxville, returning Tue, Nov 3, priced at $261 just found
United
Sat, Oct 31 - Tue, Nov 3
PHX
Phoenix
TYS
Knoxville
$261 Roundtrip, just found
$261
Roundtrip
just found
Select United flight, departing Sat, Oct 31 from Phoenix to Knoxville, returning Tue, Nov 3, priced at $261 just found

Alternative airports near Knoxville

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

Select flight to McGhee Tyson TYS. Cheapest and Closest option available. Average driving time to city center is 22 minutes. Flights from $430
TYS
McGhee Tyson
CheapestClosest
Average driving time to city center22 min
Flights from $430

What you need to know for your flight from Sky Harbor Intl. to McGhee Tyson

Phoenix (PHX) to Knoxville (TYS) at a glance

Travel between Phoenix (PHX) and Knoxville (TYS) with a selection of airlines on this domestic short-haul route. You can explore various options for Knoxville flights, whether you prefer full-service carriers or budget-friendly choices. This allows you to find the best itinerary that aligns with your budget and schedule as you prepare to discover Knoxville's iconic attractions and neighborhoods. Check out the essential details for your next flight from Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS).

  • Fastest flight duration: around 5 hours non-stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $120–$480, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS)

Based on the latest traveler bookings, here are the top airlines favored for flights from Phoenix to Knoxville, offering both non-stop and one-stop options. Popular layover spots include Dallas-Fort Worth International Airport (DFW) with a layover of about 1 hour, Charlotte-Douglas International Airport (CLT) at approximately 1 hour and 15 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of around 1 hour and 30 minutes. These choices allow you to tailor your itinerary by balancing price, travel time, and cabin class.

  • American Airlines: This full-service airline provides one-stop flights, covering about 53% of departures on this route. One-way ticket prices usually fall between $120 and $490. Expect an in-flight duration of 4 hours and 45 minutes, with an overall travel time of around 6 hours and 15 minutes, including layover.
  • Delta: Another full-service option, Delta offers one-stop services and comprises about 19% of the departures for this route. One-way fares generally range from $130 to $535. The in-flight experience lasts approximately 4 hours and 45 minutes, with a total journey time of roughly 6 hours and 15 minutes, factoring in layover.
  • United: As a full-service airline, United provides one-stop flights and represents around 18% of departures on this route. One-way fares typically range from $125 to $590. Travelers can expect 4 hours and 45 minutes in the air, with a complete travel duration of about 6 hours and 15 minutes, including layover.
  • Frontier Airlines: This low-cost carrier offers one-stop service and accounts for about 8% of departures for this route. One-way fares typically vary from $120 to $330. Passengers will spend around 4 hours and 45 minutes in-flight, with a total journey time of approximately 6 hours and 15 minutes, including layover.
  • Southwest Airlines: Known for its low-cost options, Southwest provides both non-stop and one-stop services, making up about 1% of departures on this route. One-way fares usually range from $135 to $620. Expect a typical one-stop journey of 4 hours and 45 minutes in the air, with a total travel time close to 6 hours and 15 minutes.

Travelers have the option to enhance their journey from Phoenix to Knoxville with upgraded flights. Leading airlines include Delta, which offers both first class and premium economy; American Airlines, featuring first class; and United, also providing first class service.

Best time to fly from Phoenix (PHX) to Knoxville (TYS)

The most popular months for travelers flying from Phoenix to Knoxville are March, April, and October, when peak temperatures in Knoxville reach up to 59.5°F in October. If you prefer quieter travel, consider July, the least busy time to visit with temperatures around 77°F and typically the lowest average one-way fare (around $206). Flight availability peaks in September, with approximately 20 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 12 flights per week.

  • Cheapest time to fly: July usually offers good deals with average one-way fare around $206, roughly 21% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $230.
  • Most flight options: September has the highest number of flights from Phoenix to Knoxville, with approximately 20 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January37.8°F (3.2°C)Average12$280
February42.4°F (5.8°C)Average13$280
March49.5°F (9.7°C)Moderately High16$345
April57.6°F (14.2°C)Moderately High16$265
May66.4°F (19.1°C)Average19$244
June74.1°F (23.4°C)Average13$236
July77.0°F (25.0°C)Moderately Low16$206
August75.7°F (24.3°C)Moderately Low15$230
September70.3°F (21.3°C)Average20$235
October59.5°F (15.3°C)Moderately High19$273
November48.6°F (9.2°C)Moderately Low17$262
December43.0°F (6.1°C)Average15$270

*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 Phoenix (PHX) to Knoxville (TYS)

  • Scottsdale to Knoxville (SCF-TYS): Located approximately 14 miles from Sky Harbor International Airport (PHX), Scottsdale Airport (SCF) serves as a convenient departure point.
  • Mesa to Knoxville (AZA-TYS): Phoenix - Mesa Gateway Airport (AZA) lies about 22 miles from Sky Harbor International Airport (PHX), making it an accessible option for travelers.
  • Phoenix to Gatlinburg (PHX-GKT): Gatlinburg - Pigeon Forge Airport (GKT) is situated roughly 26 miles from McGhee Tyson Airport (TYS), providing a nearby arrival destination.

How to find the best prices for flights from Phoenix (PHX) to Knoxville (TYS)

Getting some of the best deals on flights from Phoenix to Knoxville is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally found when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Early morning departures from 12 a.m. to 5 a.m. often offer lower prices, while morning flights from 5 a.m. to 12 p.m. are more popular. Additionally, flying on Wednesday usually results in cheaper fares, even though Thursday is the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Knoxville hotel and flight deals.
  4. 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.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. 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 McGhee Tyson Airport from Sky Harbor International Airport

Knoxville welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Knoxville city center is approximately a 20-minute drive (covering about 15 miles) from McGhee Tyson Airport, depending on traffic. Here's how to reach Knoxville efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Knoxville, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from McGhee Tyson Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at McGhee Tyson 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.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) cost?
You can find cheap one-way flights from $76 and cheap return flights from $139 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) with Expedia. One-way flights usually range from $174 to $913, and return flights typically cost between $313 and $1412. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
August is the cheapest month to fly from Phoenix, AZ (PHX) to Knoxville, TN (TYS), with average return fares around $359. This is about 26% lower than the average price throughout the year, as travel tends to slow down after the summer. Other affordable months to consider are January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
Enter PHX to TYS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
American Airlines is one of the cheapest airlines offering connecting flights from Phoenix (PHX) to Knoxville (TYS) with round-trip tickets starting from around $285. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson), 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 time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
For flights from Phoenix (PHX) to Knoxville (TYS), the ideal months to travel are April and August, with average return flight prices around $359. April offers pleasant spring weather, while August is often less busy, allowing for a more relaxed travel experience. This insight is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
The earliest flight from Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) typically departs at around 12:15 AM, operated by American Airlines. An early start like this can be beneficial for travelers looking to arrive in Knoxville early in the day. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
The most popular departure times for flights from Phoenix, AZ (PHX) to Knoxville, TN (TYS) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Air Lines, offer flights during this window. This timing is favored because it lets you arrive in Knoxville with plenty of time to enjoy your day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
Flights from PHX to TYS with one stop typically take around 8 hours 20 minutes, covering approximately 1,596 miles. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
First class is available on flights from PHX to TYS. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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 Knoxville from Sky Harbor Intl. (PHX)?
If you're planning to travel to Knoxville from Sky Harbor Intl. (PHX), you can fly into McGhee Tyson (TYS) Some flights may connect through major hubs like Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX) before reaching Knoxville. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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
Sky Harbor Intl.
Destination airport
McGhee Tyson
Airlines serving
Alaska Airlines, Allegiant Air, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$139
Distance
1596 mi
Average flight time
4 hours 31 mins

Book with confidence

Phoenix to Knoxville Flights

The cheapest times to fly from Phoenix to Knoxville

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

 

The best time to book a flight from Phoenix to Knoxville

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

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 Knoxville in 2026. You can also book with separate airlines for your outbound and return journeys, from $76 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 Knoxville 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 Knoxville 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.

 

Phoenix to Knoxville Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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