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$329+ Cheap flights from Knoxville to Billings (TYS - BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BIL
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap 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 July 24, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. 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 11/115:01 pm
TYS
-
BIL
1 stop7h 15m
United Airlines
Sat 11/142:29 pm
BIL
-
TYS
1 stop6h 09m
United Airlines
Deal found 7/21$329
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/146:25 pm
TYS
-
BIL
1 stop7h 05m
Delta
Mon 8/176:25 pm
BIL
-
TYS
2 stops13h 11m
Delta
Deal found 7/23$344
This Delta deal was found by Cheapflights users on 7/22. 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 11/117:55 am
TYS
-
BIL
2 stops11h 54m
Delta
Sat 11/146:15 am
BIL
-
TYS
2 stops10h 23m
Delta
Deal found 7/22$349
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 10/305:01 pm
TYS
-
BIL
1 stop6h 03m
United Airlines
Tue 11/32:29 pm
BIL
-
TYS
1 stop6h 09m
United Airlines
Deal found 7/20$360
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/126:00 am
TYS
-
BIL
1 stop6h 47m
United Airlines
Sat 9/192:29 pm
BIL
-
TYS
1 stop6h 15m
United Airlines
Deal found 7/22$368
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/146:25 pm
TYS
-
BIL
1 stop7h 05m
Delta
Tue 8/186:26 am
BIL
-
TYS
2 stops10h 30m
Delta
Deal found 7/23$379
This American Airlines deal was found by Cheapflights users on 7/20. 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 10/3010:00 am
TYS
-
BIL
2 stops13h 12m
American Airlines
Tue 11/37:00 am
BIL
-
TYS
2 stops11h 43m
American Airlines
Deal found 7/20$389
This American Airlines deal was found by Cheapflights users on 7/22. 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 11/112:55 pm
TYS
-
BIL
1 stop7h 45m
American Airlines
Sat 11/141:23 pm
BIL
-
TYS
1 stop8h 08m
American Airlines
Deal found 7/22$398

Find 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

Popular in

May

Cheapest in

March

Average price

$658
Provider with most accurate pricing for Knoxville McGhee Tyson-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Billings Logan Intl flights.
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From Knoxville McGhee Tyson to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 39% potential increase in price ($348 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 July 24, 2026.
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

Cheapest round-trip

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Thu 12/3

7:55 am-5:49 pm

2 stops11h 54m

Billings Logan Intl

Thu 12/10

11:35 am-11:46 pm

2 stops10h 11m

$349
Quickest round-trip

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 10/30

5:01 pm-9:04 pm

1 stop6h 03m

Billings Logan Intl

Tue 11/3

2:29 pm-10:38 pm

1 stop6h 09m

$360

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 11/11

2:55 pm-8:40 pm

1 stop7h 45m

Billings Logan Intl

Sat 11/14

1:23 pm-11:31 pm

1 stop8h 08m

$398

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Tue 8/25

4:50 pm-10:07 pm

1 stop7h 17m

Billings Logan Intl

Sat 8/29

7:00 am-3:46 pm

1 stop6h 46m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

Compare providers for flights from Knoxville to Billings

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Billings in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Billings flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How much does it cost to fly round-trip from Knoxville to Billings?

Airfare is below average for this route at the moment.

Knoxville to Billings flights typically cost between $458 and $670 in November.
The cheapest round-trip price found within the last 5 days was $329 on United Airlines (Nov 11-Nov 14).

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 July 24, 2026.
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
10,026 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,026 reviews
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,842 reviews
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 6h 03m. Fly via Delta, United Airlines, or American 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 ($318), 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$318Average$458FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$478FlexibilityNo cancel feeOn-time71%

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