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Billings

$207+ Cheap flights from Knoxville to Billings (TYS - BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BIL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Knoxville to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$207
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$453
From Knoxville McGhee Tyson to Billings Logan Intl
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One-way flight from Knoxville McGhee Tyson to Billings Logan Intl
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Highest demand for flights based on searches. 15% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Knoxville to Billings

Cheapest flights from Knoxville to Billings
Explore the most affordable flight options available from Knoxville to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:09 amTYS - BIL
1 stop5h 41mAmerican Airlines
Sat 10/251:54 pmBIL - TYS
1 stop8h 29mAmerican Airlines
Deal found 9/11$269
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:22 pmTYS - BIL
1 stop6h 56mAmerican Airlines
Sat 12/135:15 amBIL - TYS
1 stop8h 17mAmerican Airlines
Deal found 9/9$324
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:40 pmTYS - BIL
1 stop5h 54mUnited Airlines
Tue 9/305:00 amBIL - TYS
1 stop8h 06mUnited Airlines
Deal found 9/11$349
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmTYS - BIL
2 stops12h 24mAmerican Airlines
Tue 9/306:02 amBIL - TYS
2 stops10h 48mAmerican Airlines
Deal found 9/11$359
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 amTYS - BIL
2 stops8h 18mUnited Airlines
Sat 10/2510:39 amBIL - TYS
2 stops10h 11mUnited Airlines
Deal found 9/11$360
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:50 pmTYS - BIL
2 stops13h 32mDelta
Sat 12/136:24 amBIL - TYS
2 stops11h 36mDelta
Deal found 9/10$374
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:08 pmTYS - BIL
2 stops10h 31mAmerican Airlines
Thu 10/21:59 pmBIL - TYS
1 stop7h 52mAmerican Airlines
Deal found 9/11$379
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amTYS - BIL
1 stop6h 16mUnited Airlines
Tue 9/307:00 amBIL - TYS
1 stop6h 06mUnited Airlines
Deal found 9/11$399

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Knoxville to Billings that are best for you.

Fly from

Knoxville

Fly to

Billings

Route

Depart

Return

Price

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 12/10

4:22 pm-9:18 pm

1 stop6h 56m

Billings Logan Intl

Sat 12/13

5:15 am-3:32 pm

1 stop8h 17m

$324

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 9/24

4:40 pm-8:34 pm

1 stop5h 54m

Billings Logan Intl

Tue 9/30

5:00 am-3:06 pm

1 stop8h 06m

$349

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 9/24

12:15 pm-10:39 pm

2 stops12h 24m

Billings Logan Intl

Tue 9/30

6:02 am-6:50 pm

2 stops10h 48m

$359

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sat 10/18

7:00 am-1:18 pm

2 stops8h 18m

Billings Logan Intl

Sat 10/25

10:39 am-10:50 pm

2 stops10h 11m

$360

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 12/10

12:50 pm-12:22 am

2 stops13h 32m

Billings Logan Intl

Sat 12/13

6:24 am-8:00 pm

2 stops11h 36m

$374

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 9/26

2:08 pm-10:39 pm

2 stops10h 31m

Billings Logan Intl

Thu 10/2

1:59 pm-11:51 pm

1 stop7h 52m

$379

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/25

7:00 am-11:16 am

1 stop6h 16m

Billings Logan Intl

Tue 9/30

7:00 am-3:06 pm

1 stop6h 06m

$399

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 9/25

7:00 am-11:16 am

1 stop6h 16m

Billings Logan Intl

Wed 10/1

2:30 pm-10:28 pm

1 stop5h 58m

$399

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sat 12/13

5:05 am-1:28 pm

2 stops10h 23m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Knoxville to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Billings

What is the cheapest month to book a flight from Knoxville to Billings?

Currently, January is the cheapest month in which you can book a flight from Knoxville to Billings (average of $396). Flying from Knoxville to Billings in June is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billings. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines and American Airlines from Knoxville to Billings have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Billings?

    There are many flights that can get you from Knoxville to Billings in 5h 54m. Fly via American Airlines or United Airlines to get the fastest option. There are 1449 mi between Knoxville and Billings. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Knoxville to Billings round-trip?

    According to our current data, United Airlines ($293), and American Airlines ($323) offers the cheapest pricing from Knoxville to Billings. You may be able to fly from Knoxville to Billings for 40% less than the average price by searching for these airlines.

  • Can I find deals for flights from Knoxville to Billings that include hotel bookings?

    Yes. In addition to deals on Knoxville to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Billings.

  • Can I find deals for business class flights from Knoxville to Billings?

    Yes. Cheapflights offers flight deals from Knoxville to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Billings?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Billings (average of $396). Flying from Knoxville to Billings in June is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Knoxville to Billings

Discover the top 2 airlines that operate flights from Knoxville to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$293Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$471FlexibilityNo cancel feeOn-time71%

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