BOI - TYS

$209 Find Cheap Flights from Boise to Knoxville - Compare and Save

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Everything you should know

Cheapest round-trip
$337
Typical prices: $438-$650
American Airlines
Sat 10/20Mon 10/22
BOI - TYS • 1 stop
Cheapest one-way
$209
Typical prices: $278-$383
United Airlines
Wed 9/26
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
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

Tue, Oct 20 - Thu, Oct 22
American Airlines Logo
12:14 pm - 11:18 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
9h 04m1 stop Dallas/Fort Worth
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
Tue, Oct 20 - Thu, Oct 22
Southwest Logo
6:35 am - 9:05 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
12h 30m2 stops Las Vegas Harry Reid Intl Nashville Intl
Southwest Logo
5:30 pm - 11:00 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 30m1 stop Denver Intl
$348Southwest
Tue, Oct 20 - Thu, Oct 22
Southwest Logo
6:35 am - 9:05 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
12h 30m2 stops Las Vegas Harry Reid Intl Nashville Intl
Southwest Logo
1:50 pm - 11:00 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
11h 10m2 stops Dallas Love Field Denver Intl
$353Southwest
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
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
4:25 pm - 9:35 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 10m1 stop Denver Intl
$437United Airlines
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
10:45 am - 9:35 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
12h 50m2 stops Chicago O'Hare Intl Denver Intl
$442United Airlines
Sun, Jan 31 - Sun, Feb 7
Delta Logo
1:43 pm - 9:45 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
6h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:55 am - 12:42 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
6h 47m1 stop Minneapolis St Paul
$467Delta
Tue, Dec 22 - Fri, Dec 25
Delta Logo
11:52 pm - 9:31 amBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
7h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:50 am - 12:42 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 52m1 stop Minneapolis St Paul
$484Delta
Sat, Dec 19 - Tue, Dec 29
Alaska Airlines Logo
1:35 pm - 11:41 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 06m1 stop Dallas/Fort Worth
Alaska Airlines Logo
6:25 pm - 11:37 pmTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
7h 12m1 stop Dallas/Fort Worth
$803Alaska Airlines
Sat, Dec 19 - Wed, Dec 30
Alaska Airlines Logo
1:35 pm - 11:41 pmBOI  Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson
8h 06m1 stop Dallas/Fort Worth
Alaska Airlines Logo
5:30 am - 11:31 amTYS  Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld
8h 01m1 stop Dallas/Fort Worth
$803Alaska 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 from Boise to Knoxville with more confidence.

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

Round-trip flights from Boise to Knoxville start at $337. Prices are below average for this route right now, with typical round-trip fares ranging 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?

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

What is 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

$209
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 6% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

  • 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

    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 Boise to Knoxville?

    Yes. Being flexible with your travel dates can save you up to 51% on the Boise to Knoxville route. 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 long is a flight from Boise to Knoxville?

    A nonstop flight from Boise to Knoxville takes 0h 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.

  • 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 $2,991. That means the highest observed fare was about 9x 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 higher than usual. Average one-way flight prices are about $380, which is 10% above the typical average for this route.

  • 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.

  • 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

  • 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.

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 can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $426 - about $441 less than Sunday (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

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