App
Customer Support
EUR
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Tennessee
>
Knoxville
>
Flights from Phoenix to Knoxville
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Phoenix to Knoxville Starting at €53

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • PHX07:00
        6h 23m
        1 stop
        TYS15:23
        Thu, Mar 6|Phoenix - Knoxville|Frontier Airlines
        €53€225
        76% OFF
        76% OFF
        €225€53

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, Mar 6, arriving at Mcghee Tyson Airport. One-way Prices start from €53 including taxes and charges.

      • PHX18:12
        19h 11m
        1 stop
        TYS15:23
        Wed, Mar 5|Phoenix - Knoxville|Frontier Airlines
        €59€225
        74% OFF
        74% OFF
        €225€59

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Mar 5, arriving at Mcghee Tyson Airport. One-way Prices start from €59 including taxes and charges.

      • PHX22:15
        15h 28m
        1 stop
        TYS15:43
        Sat, Mar 8|Phoenix - Knoxville|Frontier Airlines
        €101€225
        55% OFF
        55% OFF
        €225€101

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Sat, Mar 8, arriving at Mcghee Tyson Airport. One-way Prices start from €101 including taxes and charges.

      • PHX06:00
        6h 43m
        1 stop
        TYS15:43
        Sun, Mar 9|Phoenix - Knoxville|Frontier Airlines
        €127
        €127

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Sun, Mar 9, arriving at Mcghee Tyson Airport. One-way Prices start from €127 including taxes and charges.

      • PHX11:08
        25h 33m
        1 stop
        TYS15:41
        Wed, Apr 2|Phoenix - Knoxville|Frontier Airlines
        €131
        €131

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Apr 2, arriving at Mcghee Tyson Airport. One-way Prices start from €131 including taxes and charges.

      • PHX06:00
        6h 41m
        1 stop
        TYS15:41
        Thu, Apr 10|Phoenix - Knoxville|Frontier Airlines
        €138
        €138

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, Apr 10, arriving at Mcghee Tyson Airport. One-way Prices start from €138 including taxes and charges.

      • PHX06:00
        6h 41m
        1 stop
        TYS15:41
        Thu, Apr 3|Phoenix - Knoxville|Frontier Airlines
        €140
        €140

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, Apr 3, arriving at Mcghee Tyson Airport. One-way Prices start from €140 including taxes and charges.

      • PHX21:15
        15h 8m
        1 stop
        TYS15:23
        Wed, Mar 12|Phoenix - Knoxville|Frontier Airlines
        €141
        €141

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Mar 12, arriving at Mcghee Tyson Airport. One-way Prices start from €141 including taxes and charges.

      • PHX20:49
        16h 34m
        1 stop
        TYS15:23
        Wed, Mar 5|Phoenix - Knoxville|American Airlines
        €154
        €154

        Choose American Airlines flights from Phoenix to Knoxville. The one-way connecting flight with American Airlines departs from Sky Harbor International Airport on Wed, Mar 5, arriving at Mcghee Tyson Airport. One-way Prices start from €154 including taxes and charges.

      • PHX06:00
        13h 22m
        1 stop
        TYS22:22
        Tue, Apr 29|Phoenix - Knoxville|Frontier Airlines
        €162
        €162

        Choose Frontier Airlines flights from Phoenix to Knoxville. The one-way connecting flight with Frontier Airlines departs from Sky Harbor International Airport on Tue, Apr 29, arriving at Mcghee Tyson Airport. One-way Prices start from €162 including taxes and charges.

      • PHX01:00 pm
        3h 5m
        Nonstop
        TYS02:00 pm
        Wed, Feb 26|Phoenix - Knoxville|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Phoenix to Knoxville flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2649

    United Airlines

    07:00

    PHX

    3.5h

    11:29

    ORD

    SMTWTFS
    Search

  2. AA3799

    American Airlines

    14:55

    ORD

    2.0h

    17:53

    TYS

    -MT----

  3. DL796

    Delta Air Lines

    13:15

    PHX

    3.7h

    19:57

    ATL

    SMTWTFS
    Search

  4. DL3072

    Delta Air Lines

    22:50

    ATL

    0.9h

    23:46

    TYS

    SMTWTFS

  5. F91828

    Frontier Airlines

    19:39

    PHX

    3.3h

    00:58

    ORD

    S-T-TF-
    Search

  6. AA6074

    American Airlines

    08:20

    ORD

    1.7h

    11:02

    TYS

    SMTWTFS

  7. DL1669

    Delta Air Lines

    23:35

    PHX

    4.5h

    06:03

    ATL

    SMTWTFS
    Search

  8. DL1418

    Delta Air Lines

    08:20

    ATL

    0.9h

    09:16

    TYS

    SMTWT-S
Find more flights and airlines

Find the best time to fly from Phoenix to Knoxville

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Phoenix to Knoxville

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines logoFrontier Airlines

FAQ

  • When are flight tickets from Phoenix (PHX) to Knoxville (TYS) the cheapest?

    Airlines adjust prices for flights from Phoenix to Knoxville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Phoenix (PHX) to Knoxville (TYS) cost?

    According to Trip.com's data, the lowest price is around €450.

  • How long does it take to fly from Phoenix (PHX) to Knoxville (TYS) and what is the distance?

    It takes around 3 hours 27 minutes to fly from Phoenix (PHX) to Knoxville (TYS).

  • What are the most popular airlines that fly from Phoenix (PHX) to Knoxville (TYS)?

    Airlines with flights from Phoenix (PHX) to Knoxville (TYS): Allegiant Air.

How to find a cheap flight from Phoenix to Knoxville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to Knoxville. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Phoenix to Knoxville

Cheapest nonstop flight price€53
Off-season for travelJanuary
Peak season for travelNovember
Flight distance2,570.49 km
Average flight time3 hours 27 minutes
Popular airlineUnited Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.