BOI - TYS

$182 Find Cheap Flights from Boise to Knoxville - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$363
Typical prices: $445-$652
American Airlines
Mon 12/10Sat 12/15
BOI - TYS • 1 stop
Cheapest one-way
$182
Typical prices: $272-$353
American Airlines
Mon 11/26
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
August
Cheapest • 33% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $491 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 35m (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

Thu, Dec 10 - Tue, Dec 15
American Airlines Logo
2:42 pm - 11:40 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 58m1 stop Dallas/Fort Worth
American Airlines Logo
7:44 am - 12:59 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Chicago O'Hare Intl
$363American Airlines
Thu, Dec 10 - Tue, Dec 15
American Airlines Logo
1:39 pm - 11:26 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
7h 47m1 stop Chicago O'Hare Intl
American Airlines Logo
5:30 am - 1:28 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 58m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$368American Airlines
Thu, Dec 10 - Tue, Dec 15
Delta Logo
8:41 am - 9:33 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
10h 52m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
7:59 am - 5:53 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
11h 54m2 stops Minneapolis St Paul Salt Lake City
$405Delta
Thu, Feb 18 - Mon, Feb 22
Southwest Logo
7:30 am - 3:10 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 40m1 stop Denver Intl
Southwest Logo
3:50 pm - 11:15 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 25m1 stop Denver Intl
$415Southwest
Thu, Feb 18 - Mon, Feb 22
Southwest Logo
5:30 am - 5:45 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
10h 15m2 stops Las Vegas Harry Reid Intl Dallas Love Field
Southwest Logo
3:50 pm - 11:15 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 25m1 stop Denver Intl
$420Southwest
Sat, Apr 24 - Thu, Apr 29
Delta Logo
3:22 pm - 11:02 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 40m1 stop Minneapolis St Paul
Delta Logo
5:57 pm - 10:41 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 44m1 stop Atlanta Hartsfield-Jackson
$478Delta
Mon, Dec 14 - Wed, Dec 16
United Airlines Logo
11:49 am - 8:47 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 58m1 stop Chicago O'Hare Intl
United Airlines Logo
1:55 pm - 9:52 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 57m1 stop Chicago O'Hare Intl
$483United Airlines
Mon, Dec 14 - Wed, Dec 16
United Airlines Logo
6:15 am - 9:57 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
13h 42m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
4:43 pm - 9:27 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 44m1 stop Denver Intl
$488United Airlines
Sat, Nov 21 - Mon, Nov 23
Alaska Airlines Logo
9:47 pm - 10:50 amBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
11h 03m2 stops Seattle/Tacoma Intl Dallas/Fort Worth
Alaska Airlines Logo
5:30 am - 11:28 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 58m1 stop Dallas/Fort Worth
$821Alaska Airlines
Sat, Nov 21 - Fri, Nov 27
Alaska Airlines Logo
9:47 pm - 10:50 amBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
11h 03m2 stops Seattle/Tacoma Intl Dallas/Fort Worth
Alaska Airlines Logo
6:50 am - 1:52 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 02m1 stop Dallas/Fort Worth
$896Alaska 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 $445 to $652. The lowest price found in the past 5 days was $363, 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 19% cheaper than the average day, while Sunday is the most expensive, with prices 57% higher.

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

•August is the cheapest month to fly from Boise to Knoxville at $367 round-trip.
•November ($744) and October ($636) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 102% 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

$182
Beat the crowds with an average 59% drop in travelers.
The most popular month to fly with an average 66% increase in travelers.
One-way 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 $445 to $652, with an average of $549 over the past 12 months. Anything below $445 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 $363 to $1,460. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Boise to Knoxville looking right now?

    One-way fares from Boise to Knoxville are currently lower than usual. Average one-way flight prices are about $252, which is 14% 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 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) - 54% of one-stop connections
    • Denver Intl (DEN) - 26% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 11% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 8% 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 49% on flights from Boise to Knoxville. Tuesday is the cheapest departure day at $448 round-trip on average, while Sunday is the most expensive at $867, a difference of $419.

    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 35m, compared with 7h 33m via Chicago O'Hare Intl (ORD) and 7h 46m 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 $448, about $419 less than Sunday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Knoxville trip for August. Fares historically average $367 round-trip in that month - typically $377 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
Hotels in Knoxville
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