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Cheap flights from Knoxville to Billings from $269

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Billings departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Knoxville to Billings (TYS-BIL)

Cheap round-trip flights

American Airlines Logo
4:48 pm - 8:57 pmTYS-BIL
6h 09m1 stop
American Airlines Logo
12:19 pm - 9:00 pmBIL-TYS
6h 41m1 stop
$269American Airlines
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Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
12:15 pm - 8:57 pmTYS-BIL
10h 42m2 stops
American Airlines Logo
6:02 am - 4:19 pmBIL-TYS
8h 17m1 stop
$274American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
11:18 am - 8:57 pmTYS-BIL
11h 39m2 stops
American Airlines Logo
6:02 am - 6:50 pmBIL-TYS
10h 48m2 stops
$279American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
4:32 pm - 8:51 pmTYS-BIL
6h 19m1 stop
American Airlines Logo
7:43 am - 5:21 pmBIL-TYS
7h 38m1 stop
$324American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
9:08 am - 8:51 pmTYS-BIL
13h 43m2 stops
American Airlines Logo
2:04 pm - 12:21 amBIL-TYS
8h 17m1 stop
$329American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
9:08 am - 8:51 pmTYS-BIL
13h 43m2 stops
American Airlines Logo
2:04 pm - 12:05 amBIL-TYS
8h 01m2 stops
$334American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:00 am - 11:16 amTYS-BIL
6h 16m1 stop
United Airlines Logo
12:00 pm - 10:45 pmBIL-TYS
8h 45m1 stop
$374United Airlines
Find Deal
Sat, Aug 30 - Tue, Sep 2
United Airlines Logo
7:00 am - 10:46 pmTYS-BIL
17h 46m3 stops
United Airlines Logo
7:00 am - 8:56 pmBIL-TYS
11h 56m2 stops
$449United Airlines
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Thu, Sep 4 - Tue, Sep 9
Logo
8:30 am - 6:55 pmTYS-BIL
12h 25m1 stop
Logo
9:58 am - 3:41 pmBIL-TYS
27h 43m3 stops
$566
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Mon, Sep 8 - Fri, Sep 12
Delta Logo
6:04 pm - 11:18 pmTYS-BIL
7h 14m1 stop
Delta Logo
6:16 pm - 9:00 amBIL-TYS
12h 44m2 stops
$588Delta
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Thu, Oct 9 - Sun, Oct 12

United Airlines flights from Knoxville to Billings

Our best United Airlines deals on Knoxville to Billings flight tickets
United Airlines
Aug 30
TYS7:00 amKnoxville McGhee Tyson
6h 16m
1 stop
BIL11:16 amBillings Logan Intl
Sep 2
BIL12:00 pmBillings Logan Intl
8h 45m
1 stop
TYS10:45 pmKnoxville McGhee Tyson
$374
Find similar
United Airlines
Aug 9
TYS4:35 pmKnoxville McGhee Tyson
8h 12m
1 stop
BIL10:47 pmBillings Logan Intl
Aug 16
BIL5:00 amBillings Logan Intl
8h 18m
2 stops
TYS3:18 pmKnoxville McGhee Tyson
$434
Find similar
United Airlines
Aug 9
TYS9:35 amKnoxville McGhee Tyson
13h 28m
2 stops
BIL9:03 pmBillings Logan Intl
Aug 16
BIL5:00 amBillings Logan Intl
8h 18m
2 stops
TYS3:18 pmKnoxville McGhee Tyson
$439
Find similar

American Airlines flights from Knoxville to Billings

Our best American Airlines deals on Knoxville to Billings flight tickets
American Airlines
Sep 4
TYS4:48 pmKnoxville McGhee Tyson
6h 09m
1 stop
BIL8:57 pmBillings Logan Intl
Sep 9
BIL12:19 pmBillings Logan Intl
6h 41m
1 stop
TYS9:00 pmKnoxville McGhee Tyson
$269
Find similar
American Airlines
Sep 4
TYS12:15 pmKnoxville McGhee Tyson
10h 42m
2 stops
BIL8:57 pmBillings Logan Intl
Sep 9
BIL6:02 amBillings Logan Intl
8h 17m
1 stop
TYS4:19 pmKnoxville McGhee Tyson
$274
Find similar
American Airlines
Sep 4
TYS11:18 amKnoxville McGhee Tyson
11h 39m
2 stops
BIL8:57 pmBillings Logan Intl
Sep 9
BIL6:02 amBillings Logan Intl
10h 48m
2 stops
TYS6:50 pmKnoxville McGhee Tyson
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Billings 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 August 4, 2025.
Use the filters below to find and compare flights from Knoxville to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/4

4:48 pm-8:57 pm

1 stop6h 09m

Billings Logan Intl

Tue 9/9

12:19 pm-9:00 pm

1 stop6h 41m

$269

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/4

12:15 pm-8:57 pm

2 stops10h 42m

Billings Logan Intl

Tue 9/9

6:02 am-4:19 pm

1 stop8h 17m

$274

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/4

11:18 am-8:57 pm

2 stops11h 39m

Billings Logan Intl

Tue 9/9

6:02 am-6:50 pm

2 stops10h 48m

$279

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 12/10

4:32 pm-8:51 pm

1 stop6h 19m

Billings Logan Intl

Sat 12/13

7:43 am-5:21 pm

1 stop7h 38m

$324

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 12/10

9:08 am-8:51 pm

2 stops13h 43m

Billings Logan Intl

Sat 12/13

2:04 pm-12:21 am

1 stop8h 17m

$329

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 12/10

9:08 am-8:51 pm

2 stops13h 43m

Billings Logan Intl

Sat 12/13

2:04 pm-12:05 am

2 stops8h 01m

$334

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sat 8/30

7:00 am-11:16 am

1 stop6h 16m

Billings Logan Intl

Tue 9/2

12:00 pm-10:45 pm

1 stop8h 45m

$374

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/4

7:00 am-10:46 pm

3 stops17h 46m

Billings Logan Intl

Tue 9/9

7:00 am-8:56 pm

2 stops11h 56m

$449

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 9/8

8:30 am-6:55 pm

1 stop12h 25m

Billings Logan Intl

Fri 9/12

9:58 am-3:41 pm

3 stops27h 43m

$566

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 10/9

6:04 pm-11:18 pm

1 stop7h 14m

Billings Logan Intl

Sun 10/12

6:16 pm-9:00 am

2 stops12h 44m

$588

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billings from

How to get the cheapest flight ticket from Knoxville to Billings

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 Billings?

The month of April is, on average, the cheapest month to fly to Billings from Knoxville, with most prices found around $329. The month of January is another great option to travel to Billings, with average flight prices from Knoxville averaging around $348.

What is the cheapest day to depart on your flight to Billings?

Our data shows that Thursday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $506. Flights from Knoxville to Billings on a Saturday will generally be more expensive and average around $687. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is at noon. momondo users have found flights departing from Knoxville to Billings at noon for as low as $453. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Billings, so prices are often more expensive at around $627 per ticket.

When to book flights from Knoxville to Billings

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

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

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

Best Price Found

$269

Fastest flight time

5h 41m

Direct flights

None

Airports in Billings

1 airport
The best flight deal from Knoxville to Billings found on momondo in the last 72 hours is $269
The fastest flight from Knoxville to Billings takes 5h 41m
There are no direct flights from Knoxville to Billings. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Billings Logan Intl Airport.
There is 1 airport near Billings: Billings Logan Intl (BIL)
Search flight deals

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

    Knoxville McGhee Tyson and Billings Logan Intl are 1443.2 mi apart from one another. A reasonable flight in good conditions will take 5h 41m.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Billings Logan Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The necessary travel and health documents for your Billings Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Knoxville to Billings

Compare and see reviews for airlines that fly from Knoxville to Billings with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $293Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
American AirlinesPriceFrom $323Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Billings for you.

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

Yes. momondo allows you to filter the results for Knoxville to Billings flights to just show those with flexible booking policies.

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

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

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

Yes. momondo can track prices for Knoxville to Billings flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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