BOI - TYS

$337 Find Cheap Flights from Boise to Knoxville - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$337
Typical prices: $438-$650
American Airlines
Wed 10/17Wed 10/24
BOI - TYS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Knoxville. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 34% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $494 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 42m (one-way)
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Insights
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Flight Deals

Cheap Flights from Boise to Knoxville (BOI-TYS)

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

Recent round-trip flight deals from Boise to Knoxville

Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
3:24 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 11:24 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 24m1 stop Dallas/Fort Worth
$337American Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
3:24 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 1:22 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 22m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$342American Airlines
Thu, Feb 18 - Mon, Feb 22
Southwest Logo
7:40 am - 3:30 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 50m1 stop Denver Intl
Southwest Logo
2:40 pm - 10:50 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
10h 10m2 stops Denver Intl Phoenix Sky Harbor Intl
$382Southwest
Sun, Nov 1 - Sat, Nov 7
American Airlines Logo
2:41 pm - 11:32 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 51m1 stop Dallas/Fort Worth
American Airlines Logo
7:52 am - 12:37 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 45m1 stop Chicago O'Hare Intl
$402American Airlines
Fri, Jan 22 - Sun, Jan 31
Delta Logo
1:43 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 12:39 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 32m1 stop Atlanta Hartsfield-Jackson
$416Delta
Fri, Jan 22 - Sun, Jan 24
Southwest Logo
8:15 am - 3:45 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 30m1 stop Denver Intl
Southwest Logo
5:50 pm - 11:05 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Denver Intl
$416Southwest
Sat, Feb 6 - Tue, Feb 9
United Airlines Logo
6:25 am - 2:36 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 11m1 stop Denver Intl
United Airlines Logo
5:38 pm - 11:14 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 36m1 stop Chicago O'Hare Intl
$457United Airlines
Sat, Feb 6 - Tue, Feb 9
United Airlines Logo
8:15 am - 5:03 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 48m1 stop Chicago O'Hare Intl
United Airlines Logo
4:25 pm - 9:35 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 10m1 stop Denver Intl
$457United Airlines
Mon, Oct 12 - Fri, Oct 16
Delta Logo
11:10 pm - 9:34 amBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:09 am - 12:35 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 26m1 stop Minneapolis St Paul
$607Delta
Wed, Oct 14 - Mon, Oct 19
Alaska Airlines Logo
5:59 am - 6:20 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
10h 21m2 stops Portland Chicago O'Hare Intl
Alaska Airlines Logo
5:07 pm - 9:56 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
18h 49m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$926Alaska Airlines
Booking Insights

Price, demand and travel trends for Boise 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 Boise to Knoxville?

Round-trip flights from Boise to Knoxville typically range from $438 to $650. The lowest price found in the past 5 days was $337, on American Airlines.

What's the cheapest day of the week to fly from Boise to Knoxville?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boise to Knoxville. It’s 22% cheaper than the average day, while Sunday is the most expensive, with prices 59% higher.

What’s the cheapest month to fly from Boise to Knoxville?

•September is the cheapest month to fly from Boise to Knoxville at $359 round-trip.
•November ($666) and May ($603) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 85% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boise to Knoxville flights

Low season

July

Cheapest flight

$337
Beat the crowds with an average 70% drop in travelers.
The most popular month to fly with an average 67% increase in travelers.
Round-trip flight from Boise to Knoxville

When to book flights from Boise to Knoxville

Are your dates flexible? Find out the best times to travel from Boise 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 Boise to Knoxville flight questions, answered

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

  • What cabin classes can I book on flights from Boise to Knoxville?

    Two cabin classes are available on flights from Boise to Knoxville:

    • Economy Class
    • First Class

  • How long is a flight from Boise to Knoxville?

    A nonstop flight from Boise to Knoxville takes 00m, covering 1,782 miles.

  • Do I need a passport to fly from Boise 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 Boise to Knoxville flight?

    Round-trip flights from Boise to Knoxville range from $438 to $650, with an average of $544 over the past 12 months. Anything below $438 counts as a good deal.

  • Have flight prices from Boise to Knoxville changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $337 to $1,072. That means the highest observed fare was about 3x higher than the lowest one.

  • 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 starting from around $33 for economy cars. Top options include:

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

  • Which airports can I use when flying from Boise to Knoxville?

    Flights from Boise to Knoxville usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Knoxville McGhee Tyson (TYS).

  • Which airports do connecting flights from Boise to Knoxville pass through?

    One-stop flights from Boise to Knoxville most commonly connect through:

    • Dallas/Fort Worth (DFW) - 57% of one-stop connections
    • Denver Intl (DEN) - 19% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 17% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Boise to Knoxville?

    Yes. Flexible dates can save you up to 51% on flights from Boise to Knoxville. Tuesday is the cheapest departure day at $426 round-trip on average, while Sunday is the most expensive at $867, a difference of $441.

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

  • How much time can I save by choosing a different layover airport from Boise to Knoxville?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 42m, compared with 7h 41m via Chicago O'Hare Intl (ORD) and 7h 48m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Boise and Knoxville?

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

Your guide to booking Boise 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 Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $426, about $441 less than Sunday fares (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Knoxville trip for September. Fares historically average $359 round-trip in that month - typically $307 less than the most expensive month, which is November (based on the last 12 months).

More options for your flight from Boise to Knoxville

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

Car rentals in Knoxville
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