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Cheap flights from Billings to Knoxville from $281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Knoxville departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 10:31 pm
BIL
-
TYS
5h 46m1 stop
United Airlines Logo
8:45 am - 1:24 pm
TYS
-
BIL
6h 39m1 stop
$365United Airlines
Wed, Jan 21 - Sun, Jan 25
American Airlines Logo
5:27 am - 3:37 pm
BIL
-
TYS
8h 10m1 stop
American Airlines Logo
4:29 pm - 10:12 pm
TYS
-
BIL
7h 43m1 stop
$369American Airlines
Tue, Feb 17 - Sun, Feb 22
United Airlines Logo
10:52 am - 11:44 pm
BIL
-
TYS
10h 52m2 stops
United Airlines Logo
8:45 am - 1:24 pm
TYS
-
BIL
6h 39m1 stop
$370United Airlines
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
6:30 am - 8:52 pm
BIL
-
TYS
12h 22m2 stops
United Airlines Logo
6:45 am - 1:24 pm
TYS
-
BIL
8h 39m2 stops
$379United Airlines
Wed, Jan 21 - Sun, Jan 25
American Airlines Logo
1:51 pm - 11:56 pm
BIL
-
TYS
8h 05m1 stop
American Airlines Logo
4:09 pm - 10:43 pm
TYS
-
BIL
8h 34m1 stop
$384American Airlines
Tue, Apr 21 - Fri, May 8
United Airlines Logo
2:36 pm - 10:30 pm
BIL
-
TYS
5h 54m1 stop
United Airlines Logo
4:30 pm - 8:57 pm
TYS
-
BIL
6h 27m1 stop
$394United Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
1:51 pm - 11:56 pm
BIL
-
TYS
8h 05m1 stop
American Airlines Logo
5:44 am - 1:21 pm
TYS
-
BIL
9h 37m1 stop
$424American Airlines
Fri, Apr 10 - Sat, Apr 18
United Airlines Logo
6:30 am - 3:14 pm
BIL
-
TYS
6h 44m1 stop
United Airlines Logo
6:59 am - 3:20 pm
TYS
-
BIL
10h 21m2 stops
$426United Airlines
Sun, Feb 1 - Tue, Feb 3
Delta Logo
6:15 pm - 9:24 am
BIL
-
TYS
13h 09m2 stops
Delta Logo
10:07 am - 10:31 pm
TYS
-
BIL
14h 24m2 stops
$432Delta
Sun, Feb 1 - Tue, Feb 3
United Airlines Logo
10:38 am - 11:41 pm
BIL
-
TYS
11h 03m2 stops
United Airlines Logo
8:45 am - 1:13 pm
TYS
-
BIL
6h 28m1 stop
$434United Airlines
Tue, Apr 21 - Fri, May 8

American Airlines flights from Billings to Knoxville

Our best American Airlines deals on Billings to Knoxville flight tickets
American Airlines
Feb 17
BIL5:27 amBillings Logan Intl
8h 10m
1 stop
TYS3:37 pmKnoxville McGhee Tyson
Feb 22
TYS4:29 pmKnoxville McGhee Tyson
7h 43m
1 stop
BIL10:12 pmBillings Logan Intl
$369
American Airlines
Apr 21
BIL1:51 pmBillings Logan Intl
8h 05m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
May 8
TYS4:09 pmKnoxville McGhee Tyson
8h 34m
1 stop
BIL10:43 pmBillings Logan Intl
$384
American Airlines
Apr 10
BIL1:51 pmBillings Logan Intl
8h 05m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
Apr 18
TYS5:44 amKnoxville McGhee Tyson
9h 37m
1 stop
BIL1:21 pmBillings Logan Intl
$424

Delta flights from Billings to Knoxville

Our best Delta deals on Billings to Knoxville flight tickets
Delta
Feb 1
BIL6:15 pmBillings Logan Intl
13h 09m
2 stops
TYS9:24 amKnoxville McGhee Tyson
Feb 3
TYS10:07 amKnoxville McGhee Tyson
14h 24m
2 stops
BIL10:31 pmBillings Logan Intl
$432
Delta
Jan 21
BIL5:15 amBillings Logan Intl
8h 04m
2 stops
TYS3:19 pmKnoxville McGhee Tyson
Jan 23
TYS1:00 pmKnoxville McGhee Tyson
11h 31m
2 stops
BIL10:31 pmBillings Logan Intl
$542
Delta
Jan 19
BIL6:10 pmBillings Logan Intl
13h 11m
2 stops
TYS9:21 amKnoxville McGhee Tyson
Jan 22
TYS1:00 pmKnoxville McGhee Tyson
11h 31m
2 stops
BIL10:31 pmBillings Logan Intl
$617

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Billings to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 1/21

2:45 pm-10:31 pm

1 stop5h 46m

Knoxville McGhee Tyson

Sun 1/25

8:45 am-1:24 pm

1 stop6h 39m

$365

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 2/17

5:27 am-3:37 pm

1 stop8h 10m

Knoxville McGhee Tyson

Sun 2/22

4:29 pm-10:12 pm

1 stop7h 43m

$369

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 1/21

10:52 am-11:44 pm

2 stops10h 52m

Knoxville McGhee Tyson

Sun 1/25

8:45 am-1:24 pm

1 stop6h 39m

$370

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 1/21

6:30 am-8:52 pm

2 stops12h 22m

Knoxville McGhee Tyson

Sun 1/25

6:45 am-1:24 pm

2 stops8h 39m

$379

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 4/21

1:51 pm-11:56 pm

1 stop8h 05m

Knoxville McGhee Tyson

Fri 5/8

4:09 pm-10:43 pm

1 stop8h 34m

$384

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 3/24

2:36 pm-10:30 pm

1 stop5h 54m

Knoxville McGhee Tyson

Tue 3/31

4:30 pm-8:57 pm

1 stop6h 27m

$394

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Fri 4/10

1:51 pm-11:56 pm

1 stop8h 05m

Knoxville McGhee Tyson

Sat 4/18

5:44 am-1:21 pm

1 stop9h 37m

$424

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Sun 2/1

6:30 am-3:14 pm

1 stop6h 44m

Knoxville McGhee Tyson

Tue 2/3

6:59 am-3:20 pm

2 stops10h 21m

$426

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Sun 2/1

6:15 pm-9:24 am

2 stops13h 09m

Knoxville McGhee Tyson

Tue 2/3

10:07 am-10:31 pm

2 stops14h 24m

$432

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 4/21

10:38 am-11:41 pm

2 stops11h 03m

Knoxville McGhee Tyson

Fri 5/8

8:45 am-1:13 pm

1 stop6h 28m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Billings to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Billings and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of December is, on average, the cheapest month to fly to Knoxville from Billings, with most prices found around $377. If you aren’t able to travel during the month of December, then book flights to Knoxville from Billings during April instead. Flights to Knoxville in April, while not as cheap as those in December, still average around $389.

Can stopping save me money on Billings to Knoxville flights?

You could potentially save up to 53% on your flight if you consider stops on a Billings to Knoxville flight.

When to book flights from Billings to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to Knoxville (BIL to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Knoxville

Fastest flight time

5h 46m

Direct flights

None
The fastest flight from Billings to Knoxville takes 5h 46m
There are no direct flights from Billings to Knoxville. There are no popular flight routes from Billings to Knoxville.
Search flight deals

  • How far is Billings Logan Intl to Knoxville McGhee Tyson by plane?

    Knoxville McGhee Tyson is 1443.2 mi away from Billings Logan Intl. 5h 46m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport refresh daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Billings to Knoxville?

Best airlines flying from Billings to Knoxville

Compare and see reviews for airlines that fly from Billings to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
United AirlinesPriceFrom $340Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Billings to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Billings to Knoxville with flexible booking policies on momondo?

Flights from Billings to Knoxville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Billings to Knoxville?

momondo provides multiple filters to help you find the best flight to Knoxville from Billings. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Billings to Knoxville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Knoxville from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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