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Cheap flights from Billings to Knoxville from $312

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 9/11. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Billings to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:13 pm - 11:22 pm
BIL
-
TYS
8h 09m
1 stop
American Airlines Logo
8:00 am - 11:57 am
TYS
-
BIL
5h 57m
1 stop
$513American Airlines
Wed, Sep 9 - Sun, Sep 13
American Airlines Logo
6:00 am - 4:41 pm
BIL
-
TYS
8h 41m
1 stop
American Airlines Logo
5:15 am - 11:50 am
TYS
-
BIL
8h 35m
2 stops
$530American Airlines
Tue, Aug 4 - Tue, Aug 11
United Airlines Logo
2:25 pm - 10:19 pm
BIL
-
TYS
5h 54m
1 stop
United Airlines Logo
4:50 pm - 10:07 pm
TYS
-
BIL
7h 17m
1 stop
$534United Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
7:00 am - 10:50 pm
BIL
-
TYS
13h 50m
2 stops
American Airlines Logo
8:00 am - 11:57 am
TYS
-
BIL
5h 57m
1 stop
$571American Airlines
Wed, Sep 9 - Sun, Sep 13
American Airlines Logo
6:00 am - 8:00 pm
BIL
-
TYS
12h 00m
2 stops
American Airlines Logo
5:15 am - 11:50 am
TYS
-
BIL
8h 35m
2 stops
$589American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:00 am - 4:41 pm
BIL
-
TYS
8h 41m
1 stop
American Airlines Logo
5:31 pm - 11:13 pm
TYS
-
BIL
7h 42m
1 stop
$591American Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
7:00 am - 8:24 pm
BIL
-
TYS
11h 24m
2 stops
United Airlines Logo
5:45 am - 5:16 pm
TYS
-
BIL
13h 31m
2 stops
$687United Airlines
Wed, Sep 9 - Sun, Sep 13
American Airlines Logo
6:00 am - 8:00 pm
BIL
-
TYS
12h 00m
2 stops
American Airlines Logo
5:31 pm - 11:13 pm
TYS
-
BIL
7h 42m
1 stop
$733American Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
7:00 am - 10:49 pm
BIL
-
TYS
13h 49m
3 stops
United Airlines Logo
5:45 am - 5:16 pm
TYS
-
BIL
13h 31m
2 stops
$831United Airlines
Wed, Sep 9 - Sun, Sep 13
United Airlines Logo
6:00 pm - 5:00 pm
BIL
-
TYS
21h 00m
2 stops
United Airlines Logo
7:15 am - 10:54 pm
TYS
-
BIL
17h 39m
2 stops
$847United Airlines
Wed, Jul 22 - Sun, Jul 26

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United Airlines flights from Billings to Knoxville

Our best United Airlines deals on Billings to Knoxville flight tickets
United Airlines
Jul 20
BIL2:25 pmBillings Logan Intl
5h 54m
1 stop
TYS10:19 pmKnoxville McGhee Tyson
Jul 25
TYS3:25 pmKnoxville McGhee Tyson
9h 29m
2 stops
BIL10:54 pmBillings Logan Intl
$455
United Airlines
Jul 14
BIL2:25 pmBillings Logan Intl
5h 54m
1 stop
TYS10:19 pmKnoxville McGhee Tyson
Jul 23
TYS4:56 pmKnoxville McGhee Tyson
6h 21m
1 stop
BIL9:17 pmBillings Logan Intl
$513
United Airlines
Aug 4
BIL2:25 pmBillings Logan Intl
5h 54m
1 stop
TYS10:19 pmKnoxville McGhee Tyson
Aug 11
TYS4:50 pmKnoxville McGhee Tyson
7h 17m
1 stop
BIL10:07 pmBillings Logan Intl
$534

American Airlines flights from Billings to Knoxville

Our best American Airlines deals on Billings to Knoxville flight tickets
American Airlines
Sep 9
BIL1:13 pmBillings Logan Intl
8h 09m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
Sep 13
TYS8:00 amKnoxville McGhee Tyson
5h 57m
1 stop
BIL11:57 amBillings Logan Intl
$513
American Airlines
Aug 4
BIL6:00 amBillings Logan Intl
8h 41m
1 stop
TYS4:41 pmKnoxville McGhee Tyson
Aug 11
TYS5:15 amKnoxville McGhee Tyson
8h 35m
2 stops
BIL11:50 amBillings Logan Intl
$530
American Airlines
Jul 14
BIL12:49 pmBillings Logan Intl
9h 02m
2 stops
TYS11:51 pmKnoxville McGhee Tyson
Jul 23
TYS5:37 amKnoxville McGhee Tyson
9h 22m
1 stop
BIL12:59 pmBillings Logan Intl
$543

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 July 12, 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

Cheapest round-trip

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 9/9

1:13 pm-11:22 pm

1 stop8h 09m

Knoxville McGhee Tyson

Sun 9/13

8:00 am-11:57 am

1 stop5h 57m

$513

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/4

6:00 am-4:41 pm

1 stop8h 41m

Knoxville McGhee Tyson

Tue 8/11

5:15 am-11:50 am

2 stops8h 35m

$530
Quickest round-trip

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/4

2:25 pm-10:19 pm

1 stop5h 54m

Knoxville McGhee Tyson

Tue 8/11

4:50 pm-10:07 pm

1 stop7h 17m

$534

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 9/9

7:00 am-10:50 pm

2 stops13h 50m

Knoxville McGhee Tyson

Sun 9/13

8:00 am-11:57 am

1 stop5h 57m

$571

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/4

6:00 am-8:00 pm

2 stops12h 00m

Knoxville McGhee Tyson

Tue 8/11

5:15 am-11:50 am

2 stops8h 35m

$589

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 7/22

6:00 am-4:41 pm

1 stop8h 41m

Knoxville McGhee Tyson

Sun 7/26

5:31 pm-11:13 pm

1 stop7h 42m

$591

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 9/9

7:00 am-8:24 pm

2 stops11h 24m

Knoxville McGhee Tyson

Sun 9/13

5:45 am-5:16 pm

2 stops13h 31m

$687

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 7/22

6:00 am-8:00 pm

2 stops12h 00m

Knoxville McGhee Tyson

Sun 7/26

5:31 pm-11:13 pm

1 stop7h 42m

$733

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 9/9

7:00 am-10:49 pm

3 stops13h 49m

Knoxville McGhee Tyson

Sun 9/13

5:45 am-5:16 pm

2 stops13h 31m

$831

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Wed 7/22

6:00 pm-5:00 pm

2 stops21h 00m

Knoxville McGhee Tyson

Sun 7/26

7:15 am-10:54 pm

2 stops17h 39m

$847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Knoxville?

The month of July is, on average, the cheapest month to fly to Knoxville from Billings, with most prices found around $0. If you aren’t able to travel during the month of July, then book flights to Knoxville from Billings during September instead. Flights to Knoxville in September, while not as cheap as those in July, still average around $268.

Can stopping save me money on Billings to Knoxville flights?

You could potentially save up to 39% 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 40m

Direct flights

None
The fastest flight from Billings to Knoxville takes 5h 40m
There are no direct flights from Billings to Knoxville. There are no popular flight routes from Billings to Knoxville.
Search flight deals

Frequently asked questions about flying from Billings to Knoxville

  • 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 40m 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 $377Free CancellationRating
7.1
11,809 reviews
Search American 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
Kodak
Newport
Lenoir City
Dandridge
Clinton
Jefferson City
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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