TYS - BOI

$146 Find Cheap Flights from Knoxville to Boise - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$291
Typical prices: $456-$680
Delta
Sat 1/6Fri 1/12
TYS - BOI • 1 stop
Cheapest one-way
$146
Typical prices: $259-$379
American Airlines
Wed 10/24
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)
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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

Wed, Jan 6 - Tue, Jan 12
Delta Logo
6:00 am - 12:39 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:43 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 03m1 stop Atlanta Hartsfield-Jackson
$291Delta
Wed, Jan 6 - Thu, Jan 7
Delta Logo
6:00 am - 12:39 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:43 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 03m1 stop Atlanta Hartsfield-Jackson
$303Delta
Tue, Jan 5 - Tue, Jan 12
Delta Logo
6:00 am - 12:39 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:43 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 03m1 stop Atlanta Hartsfield-Jackson
$303Delta
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
5:26 pm - 10:34 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 08m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 11:18 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 37m1 stop Dallas/Fort Worth
$363American Airlines
Mon, Dec 14 - Wed, Dec 16
Southwest Logo
4:15 pm - 10:30 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 15m1 stop Denver Intl
Southwest Logo
7:55 am - 3:30 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 35m1 stop Denver Intl
$363Southwest
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
6:45 am - 1:45 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
9h 00m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:30 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
7h 34m1 stop Denver Intl
$368United Airlines
Mon, Dec 14 - Wed, Dec 16
Southwest Logo
7:05 am - 3:50 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
10h 45m2 stops Nashville Intl Phoenix Sky Harbor Intl
Southwest Logo
7:55 am - 3:30 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 35m1 stop Denver Intl
$368Southwest
Tue, Jan 5 - Sat, Jan 9
American Airlines Logo
7:05 am - 1:10 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 05m1 stop Dallas/Fort Worth
American Airlines Logo
1:35 pm - 11:11 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
7h 36m1 stop Dallas/Fort Worth
$375American Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
6:45 am - 11:31 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 46m1 stop Chicago O'Hare Intl
United Airlines Logo
2:51 pm - 10:32 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
5h 41m1 stop Denver Intl
$377United Airlines
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
6:00 am - 11:24 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 24m1 stop Dallas/Fort Worth
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
$464American 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 from Knoxville to Boise with more confidence.

How much is a round-trip flight from Knoxville to Boise?

Round-trip flights from Knoxville to Boise start at $291. Prices are below average for this route right now, with typical round-trip fares ranging from $456 to $680. The lowest price found in the past 5 days was $291 on Delta.

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

Thursday is the cheapest day of the week to fly from Knoxville to Boise, it is 22% cheaper than the average day. Friday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Knoxville to Boise flights

Low season

September

Cheapest flight

$146
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 19% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

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

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

    • Dallas/Fort Worth (DFW) - 35% of one-stop connections
    • Denver Intl (DEN) - 33% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 17% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 11% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 49% on the Knoxville to Boise route. Thursday is the cheapest departure day at $436 round-trip on average, while Friday is the most expensive at $850, a difference of $414. 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 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.

  • How long is a flight from Knoxville to Boise?

    A nonstop flight from Knoxville to Boise takes 0h 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.

  • 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 $291 to $1,421. That means the highest observed fare was about 5x 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 $252, which is 14% below the typical average for this route.

  • 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 59m 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 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 starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • How much should I expect to pay for a Knoxville to Boise flight?

    Round-trip flights from Knoxville to Boise range from $456 to $680, with an average of $558 over the past 12 months. Anything below $456 counts as a good deal.

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 can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $436 - about $414 less than Friday (49% 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
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

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
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