PHX - TYS

$83 Find Cheap Flights from Phoenix to Knoxville - Compare and Save

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Everything you should know

Cheapest round-trip
$138
Typical prices: $251-$458
Allegiant Air
Sun 1/7Wed 1/10
PHX - TYS • Non-stop
Cheapest one-way
$83
Typical prices: $157-$325
Allegiant Air
Mon 12/24
PHX - TYS • Non-stop
Nonstop flights
You can fly direct with Allegiant Air. Average duration is 3h 25m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 38% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $385 (round-trip)
Shortest trip • 6h 06m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Phoenix to Knoxville (PHX-TYS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phoenix to Knoxville

Thu, Jan 7 - Sun, Jan 10
Allegiant Air Logo
1:21 pm - 6:42 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
3h 21mnonstop
Allegiant Air Logo
10:00 am - 12:31 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
4h 31mnonstop
$138Allegiant Air
Thu, Jan 7 - Sun, Jan 10
Allegiant Air Logo
1:21 pm - 6:42 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
3h 21mnonstop
Allegiant Air Logo
10:00 am - 12:31 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
4h 31mnonstop
$146Allegiant Air
Thu, Jan 7 - Mon, Jan 11
Multiple Airlines Logo
1:21 pm - 6:42 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
3h 21mnonstop
Multiple Airlines Logo
9:00 am - 11:55 amTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
28h 55m2 stops Orlando Houston George Bush Intcntl
$216Multiple Airlines
Thu, Jan 7 - Sun, Jan 10
Multiple Airlines Logo
9:02 pm - 1:16 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
14h 14m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:00 am - 12:31 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
4h 31mnonstop
$231Multiple Airlines
Mon, Dec 7 - Thu, Dec 10
American Airlines Logo
5:00 am - 2:02 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
7h 02m1 stop Dallas/Fort Worth
American Airlines Logo
6:02 pm - 11:10 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
7h 08m1 stop Charlotte Douglas
$319American Airlines
Fri, Dec 4 - Mon, Dec 7
American Airlines Logo
7:00 am - 4:39 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
5:32 pm - 11:12 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
7h 40m1 stop Dallas/Fort Worth
$319American Airlines
Tue, Dec 1 - Tue, Dec 8
Delta Logo
11:35 pm - 10:01 amPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
8h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:17 pm - 11:38 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
7h 21m1 stop Atlanta Hartsfield-Jackson
$319Delta
Thu, Dec 10 - Fri, Dec 11
Delta Logo
7:02 am - 6:22 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
9h 20m1 stop Detroit Metropolitan Wayne County
Delta Logo
4:01 pm - 10:12 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
8h 11m1 stop Atlanta Hartsfield-Jackson
$319Delta
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
2:50 pm - 10:50 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
6h 00m1 stop Denver Intl
United Airlines Logo
4:43 pm - 9:47 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
7h 04m1 stop Denver Intl
$319United Airlines
Wed, Dec 9 - Sat, Dec 12
United Airlines Logo
2:54 pm - 11:59 pmPHX  Phoenix Sky Harbor Intl-TYS Knoxville McGhee Tyson
7h 05m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:45 am - 4:08 pmTYS  Knoxville McGhee Tyson-PHX Phoenix Sky Harbor Intl
8h 23m1 stop Washington, D.C. Dulles Intl
$319United Airlines
Booking Insights

Price, demand and travel trends for Phoenix Sky Harbor Intl Airport to Knoxville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Phoenix Sky Harbor Intl Airport to Knoxville?

Round-trip flights from Phoenix Sky Harbor Intl Airport to Knoxville typically range from $251 to $458. The lowest price found in the past 5 days was $138, on Allegiant Air.

What's the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Knoxville?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Knoxville. It’s 17% cheaper than the average day, while Monday is the most expensive, with prices 57% higher.

What’s the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Knoxville?

•August is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Knoxville at $216 round-trip.
•December ($443) and June ($398) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 105% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Phoenix Sky Harbor Intl Airport to Knoxville the cheapest?

Flights from Phoenix Sky Harbor Intl Airport to Knoxville are cheapest 12 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Phoenix Sky Harbor Intl Airport to Knoxville flights

Low season

February

Cheapest flight

$83
Beat the crowds with an average 32% drop in travelers.
The most popular month to fly with an average 44% increase in travelers.
One-way flight from Phoenix Sky Harbor Intl Airport to Knoxville

When to book flights from Phoenix to Knoxville

Are your dates flexible? Find out the best times to travel from Phoenix to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Phoenix Sky Harbor Intl Airport to Knoxville flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    These are the earliest and latest flight times available from Phoenix Sky Harbor Intl Airport to Knoxville:

    • Earliest: departs at 1:21 pm and lands at 4:46 pm
    • Latest: departs at 5:54 pm and lands at 9:19 pm.

    The flight takes about 3h 25m.

  • What cabin classes can I book on flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    Two cabin classes are available on flights from Phoenix Sky Harbor Intl Airport to Knoxville:

    • Economy Class
    • First Class

  • How long is a flight from Phoenix Sky Harbor Intl Airport to Knoxville?

    A nonstop flight from Phoenix Sky Harbor Intl Airport to Knoxville takes 3h 25m, covering 1,594 miles.

  • Do I need a passport to fly from Phoenix Sky Harbor Intl Airport to Knoxville?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Phoenix Sky Harbor Intl Airport to Knoxville flight?

    Round-trip flights from Phoenix Sky Harbor Intl Airport to Knoxville range from $251 to $458, with an average of $347 over the past 12 months. Anything below $251 counts as a good deal.

  • How expensive are last-minute Phoenix Sky Harbor Intl Airport to Knoxville flights?

    Last-minute fares on this route (booked within two weeks of departure) run 23% above the $347 route average. Book 12 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Phoenix Sky Harbor Intl Airport to Knoxville?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $276 round-trip, compared to $385 via a layover through Denver Intl (DEN).

  • What is the standard checked-bag allowance on flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Allegiant Air. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight prices from Phoenix Sky Harbor Intl Airport to Knoxville looking right now?

    One-way fares from Phoenix Sky Harbor Intl Airport to Knoxville are currently lower than usual. Average one-way flight prices are about $153, which is 33% below the typical average for this route.

  • What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?

    Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates averaging $82 for economy cars. Top options include:

    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Thrifty
    • Avis

  • Which airports can I use when flying from Phoenix Sky Harbor Intl Airport to Knoxville?

    Flights from Phoenix Sky Harbor Intl Airport to Knoxville usually depart from Phoenix Sky Harbor Intl (PHX) and arrive at Knoxville McGhee Tyson (TYS).

  • Which airports do connecting flights from Phoenix Sky Harbor Intl Airport to Knoxville pass through?

    One-stop flights from Phoenix Sky Harbor Intl Airport to Knoxville most commonly connect through:

    • Dallas/Fort Worth (DFW) - 41% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 21% of one-stop connections
    • Denver Intl (DEN) - 13% of one-stop connections
    • Charlotte Douglas (CLT) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    Yes. Flexible dates can save you up to 47% on flights from Phoenix Sky Harbor Intl Airport to Knoxville. Thursday is the cheapest departure day at $291 round-trip on average, while Monday is the most expensive at $548, a difference of $257.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Phoenix Sky Harbor Intl Airport to Knoxville?

    Only Allegiant Air operates flights between Phoenix Sky Harbor Intl Airport and Knoxville.

  • How much time can I save by choosing a different layover airport from Phoenix Sky Harbor Intl Airport to Knoxville?

    Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 6h 06m, compared with 6h 17m via Dallas/Fort Worth (DFW) and 6h 21m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Phoenix Sky Harbor Intl Airport and Knoxville?

    Knoxville is 2 hours ahead of Phoenix Sky Harbor Intl Airport (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which cities can I connect to after deplaning from my Phoenix to Knoxville flight at Knoxville McGhee Tyson (TYS)?

    Besides Knoxville, TYS is also the destination airport for travelers connecting to the neighboring cities. Among these cities are Maryville, Alcoa, and Farragut. With these cities being a comfortable driving distance away from TYS, you can conveniently connect to these cities via a car rental, a taxi, or a ride-share service.

  • Which family-friendly airline should I consider for my flight from Phoenix to Knoxville?

    Allegiant Air and American Airlines offer great options when considering family-friendly airlines for your Phoenix to Knoxville flight. Allegiant Air provides a dedicated kids' zone with coloring books and games, while American Airlines offers in-flight entertainment with kid-friendly movies and TV shows. They also offer priority boarding for families with kids.

  • Which eco-friendly airline should I consider for my Phoenix to Knoxville flight?

    One of the eco-friendly airlines to consider for your Phoenix to Knoxville flight is Allegiant Air. The airline has significantly reduced its environmental impact by implementing fuel-efficient aircraft, optimizing flight routes, and implementing recycling programs. Choosing Allegiant Air would contribute to a greener travel experience.

  • How can I connect from Knoxville McGhee Tyson (TYS) to the city center after landing from my Phoenix to Knoxville flight?

    Among the transport options you could consider for your movement from TYS to the city after your flight from Phoenix to Knoxville are a car rental, a taxi, a ride-share service, or public means of transport – such as buses or trains. Some of the popular buses offering cheap transport options from TYS to the city center are the Knoxville Area Transit (KAT) buses.

Your guide to booking Phoenix Sky Harbor Intl Airport to Knoxville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $291, about $257 less than Monday fares (47% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Phoenix Sky Harbor Intl Airport to Knoxville trip for August. Fares historically average $216 round-trip in that month - typically $227 less than the most expensive month, which is December (based on the last 12 months).
  • With Sky Harbor Intl (PHX) acting as the hub and an operating base for American Airlines, the airline has arguably the highest number of flights to various destinations, including Knoxville. To access a flight that will fit your schedule to Knoxville, consider booking your flight with American Airlines.
  • Since most airlines offering flights from Phoenix to Knoxville offer indirect flights, you have to consider including your layovers during your budgeting process. Some of the common layovers to include in your budgeting and planning process are Atlanta Hartsfield-Jackson (ATL), Charlotte Douglas (CLT), and Chicago O'Hare Intl (ORD).
  • When traveling from Phoenix to Knoxville on a limited-time schedule, you have to consider booking your flight with Allegiant Air. Allegiant Air is highly ranked among the airlines with the highest direct flights for the route.
  • Although most airlines operating from Phoenix to Knoxville highly consider Persons with Reduced Mobility PRMs, Allegiant Air and American Airlines have the best accessibility services. To ensure travel convenience and inclusivity on their flight, these airlines offer priority boarding for PRMs. They also have a team of well-trained and experienced professionals whose primary role is to ensure accessibility services for PRMs.
  • To conveniently fly from Phoenix to Knoxville with your furry friend, consider booking your flight with American Airlines. Provided your pet is at least eight weeks old, its weight plus the carrier is not exceeding 20 lbs, and the carrier can fit under your chair, you will travel with your pet in the cabin. However, your larger pets will be transported as cargo in an appropriate pressure and temperature-controlled cargo hold.

Prefer to fly direct from Phoenix to Knoxville?

 
Find which airlines fly direct from Phoenix Sky Harbor Intl Airport to Knoxville McGhee Tyson Airport, which days they fly and book direct flights.

Direct departures

Phoenix Sky Harbor Intl to Knoxville McGhee Tyson

Tuesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Knoxville McGhee Tyson to Phoenix Sky Harbor Intl

Tuesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

More options for your flight from Phoenix to Knoxville

Complete your trip to Knoxville with a hotel stay or car rental