TYS - BOI

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

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$363
Typical prices: $457-$684
American Airlines
Tue 12/11Fri 12/14
TYS - BOI • 1 stop
Cheapest one-way
$182
Typical prices: $272-$379
Delta
Sat 12/8
TYS - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Knoxville and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 36% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $425 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 36m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Knoxville to Boise (TYS-BOI)

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

Recent round-trip flight deals from Knoxville to Boise

Fri, Dec 11 - Mon, Dec 14
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
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
$363American Airlines
Wed, Jan 6 - Sat, Jan 9
United Airlines Logo
4:28 pm - 9:33 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 05m1 stop Denver Intl
United Airlines Logo
8:15 am - 4:54 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 39m1 stop Chicago O'Hare Intl
$363United Airlines
Wed, Jan 6 - Sat, Jan 9
Southwest Logo
5:50 pm - 11:05 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Denver Intl
Southwest Logo
8:15 am - 3:50 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 35m1 stop Denver Intl
$363Southwest
Wed, Jan 6 - Tue, Jan 19
Southwest Logo
5:50 pm - 11:05 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Denver Intl
Southwest Logo
8:20 am - 3:55 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 35m1 stop Denver Intl
$363Southwest
Fri, Dec 11 - Mon, Dec 14
Delta Logo
7:59 am - 12:42 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 43m1 stop Minneapolis St Paul
Delta Logo
1:07 pm - 11:57 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 50m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$368Delta
Fri, Dec 11 - Mon, Dec 14
Delta Logo
5:10 pm - 12:10 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 00m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
Delta Logo
3:00 pm - 11:24 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 24m1 stop Minneapolis St Paul
$368Delta
Wed, Jan 6 - Sat, Jan 9
United Airlines Logo
10:45 am - 9:33 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
12h 48m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:20 am - 2:56 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 36m1 stop Denver Intl
$368United Airlines
Thu, Dec 3 - Sun, Dec 6
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
American Airlines Logo
2:49 pm - 11:40 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 51m1 stop Dallas/Fort Worth
$395American Airlines
Thu, Dec 3 - Sun, Dec 6
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
American Airlines Logo
2:49 pm - 11:40 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 51m1 stop Dallas/Fort Worth
$395American Airlines
Sat, Jan 16 - Wed, Jan 20
United Airlines Logo
5:55 pm - 11:15 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
6:20 am - 2:55 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 35m1 stop Denver Intl
$483United Airlines
Booking Insights

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

Round-trip flights from Knoxville to Boise typically range from $457 to $684. 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 Knoxville to Boise?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Knoxville to Boise. It’s 20% cheaper than the average day, while Friday is the most expensive, with prices 17% higher.

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

•April is the cheapest month to fly from Knoxville to Boise at $358 round-trip.
•March ($1,083) and December ($1,038) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 202% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Knoxville to Boise flights

Low season

November

Cheapest flight

$182
Beat the crowds with an average 48% drop in travelers.
The most popular month to fly with an average 71% increase in travelers.
One-way flight from Knoxville to Boise

When to book flights from Knoxville to Boise

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

Your Knoxville to Boise 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 Knoxville to Boise?

    Only Economy Class is available on flights from Knoxville to Boise.

  • How long is a flight from Knoxville to Boise?

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

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

    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 Knoxville to Boise flight?

    Round-trip flights from Knoxville to Boise range from $457 to $684, with an average of $563 over the past 12 months. Anything below $457 counts as a good deal.

  • Have flight prices from Knoxville to Boise 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 $1,033. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Knoxville to Boise are currently lower than usual. Average one-way flight prices are about $289, which is 13% below the typical average for this route.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates averaging $84 for economy cars. Top options include:

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

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

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

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

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

    • Denver Intl (DEN) - 34% of one-stop connections
    • Dallas/Fort Worth (DFW) - 34% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 32% on flights from Knoxville to Boise. Thursday is the cheapest departure day at $456 round-trip on average, while Friday is the most expensive at $662, a difference of $206.

    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 Knoxville to Boise?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 36m, compared with 6h 51m via Chicago O'Hare Intl (ORD) and 7h 24m via Minneapolis St Paul (MSP).

  • What is the time difference between Knoxville and Boise?

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

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Knoxville to Boise 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 Friday. On this route, Thursday flights average $456, about $206 less than Friday fares (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Knoxville to Boise trip for April. Fares historically average $358 round-trip in that month - typically $725 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from Knoxville to Boise

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

Car rentals in Boise
Hotels in Boise
Vacations in Boise