What is the cheapest airline that flies from Knoxville McGhee Tyson to Billings Logan Intl?

Delta, Allegiant Air, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Billings Logan Intl

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?

As of March 2026, there are 2 operators available to choose from 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.

$301 Cheap Flights from Knoxville to Billings in 2026

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Find the cheapest flights from Knoxville to Billings

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:09 pm - 10:43 pm

TYS

BIL

8h 34m

1 stop

1:51 pm - 11:56 pm

BIL

TYS

8h 05m

1 stop

$329American Airlines

Wed, Apr 8 - Wed, Apr 15

11:31 am - 10:43 pm

TYS

BIL

13h 12m

2 stops

1:51 pm - 11:56 pm

BIL

TYS

8h 05m

1 stop

$482American Airlines

Wed, Apr 8 - Wed, Apr 15

7:40 am - 5:41 pm

TYS

BIL

12h 01m

2 stops

5:20 am - 3:52 pm

BIL

TYS

8h 32m

2 stops

$499Delta

Wed, Apr 8 - Wed, Apr 15

6:15 pm - 10:37 pm

TYS

BIL

6h 22m

1 stop

6:25 pm - 10:10 am

BIL

TYS

13h 45m

2 stops

$540Delta

Fri, Jul 10 - Mon, Jul 20

4:09 pm - 10:43 pm

TYS

BIL

8h 34m

1 stop

1:51 pm - 11:56 pm

BIL

TYS

8h 05m

1 stop

$599American Airlines

Mon, Apr 13 - Mon, Apr 20

6:26 pm - 12:05 pm

TYS

BIL

19h 39m

1 stop

1:19 pm - 11:52 pm

BIL

TYS

8h 33m

1 stop

$612American Airlines

Mon, Jul 13 - Mon, Jul 20

3:20 pm - 10:37 pm

TYS

BIL

9h 17m

2 stops

6:25 pm - 10:10 am

BIL

TYS

13h 45m

2 stops

$623Delta

Mon, Jul 13 - Mon, Jul 20

5:36 am - 12:45 pm

TYS

BIL

9h 09m

1 stop

1:19 pm - 11:52 pm

BIL

TYS

8h 33m

1 stop

$625American Airlines

Fri, Jul 10 - Mon, Jul 20

5:57 pm - 10:20 pm

TYS

BIL

6h 23m

1 stop

8:45 am - 4:51 pm

BIL

TYS

6h 06m

1 stop

$651United Airlines

Sat, Jul 18 - Sat, Jul 25

6:15 pm - 10:37 pm

TYS

BIL

6h 22m

1 stop

6:25 pm - 10:10 am

BIL

TYS

13h 45m

2 stops

$658Delta

Mon, Jul 13 - Mon, Jul 20

United Airlines flights from Knoxville to Billings

Our best United Airlines deals on Knoxville to Billings flight tickets

United Airlines

Jul 18

TYS5:57 pmKnoxville McGhee Tyson

6h 23m

1 stop

BIL10:20 pmBillings Logan Intl

Jul 25

BIL8:45 amBillings Logan Intl

6h 06m

1 stop

TYS4:51 pmKnoxville McGhee Tyson

$651

United Airlines

Jul 18

TYS4:56 pmKnoxville McGhee Tyson

5h 46m

1 stop

BIL8:42 pmBillings Logan Intl

Jul 25

BIL5:00 amBillings Logan Intl

15h 19m

1 stop

TYS10:19 pmKnoxville McGhee Tyson

$693

United Airlines

Jul 18

TYS4:56 pmKnoxville McGhee Tyson

5h 46m

1 stop

BIL8:42 pmBillings Logan Intl

Jul 25

BIL5:00 amBillings Logan Intl

17h 35m

2 stops

TYS12:35 amKnoxville McGhee Tyson

$698

American Airlines flights from Knoxville to Billings

Our best American Airlines deals on Knoxville to Billings flight tickets

American Airlines

Apr 8

TYS4:09 pmKnoxville McGhee Tyson

8h 34m

1 stop

BIL10:43 pmBillings Logan Intl

Apr 15

BIL1:51 pmBillings Logan Intl

8h 05m

1 stop

TYS11:56 pmKnoxville McGhee Tyson

$329

American Airlines

Apr 8

TYS11:31 amKnoxville McGhee Tyson

13h 12m

2 stops

BIL10:43 pmBillings Logan Intl

Apr 15

BIL1:51 pmBillings Logan Intl

8h 05m

1 stop

TYS11:56 pmKnoxville McGhee Tyson

$482

American Airlines

Apr 13

TYS4:09 pmKnoxville McGhee Tyson

8h 34m

1 stop

BIL10:43 pmBillings Logan Intl

Apr 20

BIL1:51 pmBillings Logan Intl

8h 05m

1 stop

TYS11:56 pmKnoxville McGhee Tyson

$599

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 4/8

4:09 pm-10:43 pm

1 stop8h 34m

Billings Logan Intl

Wed 4/15

1:51 pm-11:56 pm

1 stop8h 05m

$329

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 4/8

11:31 am-10:43 pm

2 stops13h 12m

Billings Logan Intl

Wed 4/15

1:51 pm-11:56 pm

1 stop8h 05m

$482

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 4/8

7:40 am-5:41 pm

2 stops12h 01m

Billings Logan Intl

Wed 4/15

5:20 am-3:52 pm

2 stops8h 32m

$499

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 7/10

6:15 pm-10:37 pm

1 stop6h 22m

Billings Logan Intl

Mon 7/20

6:25 pm-10:10 am

2 stops13h 45m

$540

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 4/13

4:09 pm-10:43 pm

1 stop8h 34m

Billings Logan Intl

Mon 4/20

1:51 pm-11:56 pm

1 stop8h 05m

$599

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 7/13

6:26 pm-12:05 pm

1 stop19h 39m

Billings Logan Intl

Mon 7/20

1:19 pm-11:52 pm

1 stop8h 33m

$612

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 7/13

3:20 pm-10:37 pm

2 stops9h 17m

Billings Logan Intl

Mon 7/20

6:25 pm-10:10 am

2 stops13h 45m

$623

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 7/10

5:36 am-12:45 pm

1 stop9h 09m

Billings Logan Intl

Mon 7/20

1:19 pm-11:52 pm

1 stop8h 33m

$625

Quickest round-trip

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sat 7/18

5:57 pm-10:20 pm

1 stop6h 23m

Billings Logan Intl

Sat 7/25

8:45 am-4:51 pm

1 stop6h 06m

$651

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 7/13

6:15 pm-10:37 pm

1 stop6h 22m

Billings Logan Intl

Mon 7/20

6:25 pm-10:10 am

2 stops13h 45m

$658

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Billings?

The month of March is, on average, the cheapest month to fly to Billings from Knoxville, with most prices found around $293. The month of April is another great option to travel to Billings, with average flight prices from Knoxville averaging around $307.

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

Fastest flight time	6h 22m
Direct flights	None

The fastest flight from Knoxville to Billings takes 6h 22m

There are no direct flights from Knoxville to Billings. There are no popular flight routes from Knoxville to Billings.

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 6h 22m.
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?
As of March 2026, there are 2 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Knoxville to Billings is American Airlines, representing 53% of all bookings. The subsequent popular airline is United Airlines at 47%.

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 Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 9,431 reviews		Search United Airlines flights
American Airlines	PriceFrom $323	Free Cancellation	Rating 7.1 11,468 reviews		Search American Airlines flights

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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.

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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.

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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.