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$234+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BIL
mai 24 — mai 311
dom 5/24
dom 5/31
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 abril 24, 2026.

This United Airlines deal was found by Cheapflights users on 4/19. 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.
sáb 8/156:30 am
TYS
-
BIL
1 stop6h 32m
United Airlines
sáb 8/227:00 am
BIL
-
TYS
1 stop6h 54m
United Airlines
Deal found 4/19$357
This United Airlines deal was found by Cheapflights users on 4/19. 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.
sáb 8/224:56 pm
TYS
-
BIL
1 stop7h 55m
United Airlines
sáb 8/2911:43 am
BIL
-
TYS
1 stop7h 05m
United Airlines
Deal found 4/19$414
This United Airlines deal was found by Cheapflights users on 4/22. 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.
sáb 8/84:56 pm
TYS
-
BIL
1 stop5h 46m
United Airlines
dom 8/162:25 pm
BIL
-
TYS
1 stop6h 13m
United Airlines
Deal found 4/22$423
This United Airlines deal was found by Cheapflights users on 4/20. 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.
qua 5/274:56 pm
TYS
-
BIL
1 stop6h 21m
United Airlines
ter 6/22:25 pm
BIL
-
TYS
2 stops8h 05m
United Airlines
Deal found 4/20$443
This American Airlines deal was found by Cheapflights users on 4/20. 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.
qua 5/275:33 pm
TYS
-
BIL
1 stop7h 42m
American Airlines
ter 6/21:23 pm
BIL
-
TYS
1 stop8h 33m
American Airlines
Deal found 4/20$477
This Delta deal was found by Cheapflights users on 4/22. 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.
sex 8/73:59 pm
TYS
-
BIL
2 stops9h 21m
Delta
dom 8/166:15 am
BIL
-
TYS
2 stops10h 02m
Delta
Deal found 4/22$489
This Delta deal was found by Cheapflights users on 4/19. 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.
sáb 8/811:31 am
TYS
-
BIL
2 stops10h 28m
Delta
sáb 8/155:45 am
BIL
-
TYS
2 stops9h 32m
Delta
Deal found 4/19$534
This United Airlines deal was found by Cheapflights users on 4/19. 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.
sáb 8/84:56 pm
TYS
-
BIL
1 stop5h 46m
United Airlines
sáb 8/1511:43 am
BIL
-
TYS
1 stop7h 05m
United Airlines
Deal found 4/19$537

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 abril 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(United Airlines)

One-way from

$234
(Delta)

Popular in

June

Cheapest in

March

Average price

$329
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
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One-way flight from Knoxville McGhee Tyson to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 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

sex 8/7

3:59 pm-11:20 pm

2 stops9h 21m

Billings Logan Intl

dom 8/16

6:15 am-6:17 pm

2 stops10h 02m

$489

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sáb 8/8

11:31 am-7:59 pm

2 stops10h 28m

Billings Logan Intl

sáb 8/15

5:45 am-5:17 pm

2 stops9h 32m

$534

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sex 8/7

3:59 pm-11:20 pm

2 stops9h 21m

Billings Logan Intl

sáb 8/15

6:15 am-10:56 pm

1 stop14h 41m

$538

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sáb 8/8

4:56 pm-8:42 pm

1 stop5h 46m

Billings Logan Intl

sáb 8/15

5:00 am-4:59 pm

2 stops9h 59m

$630

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sáb 8/8

4:56 pm-8:42 pm

1 stop5h 46m

Billings Logan Intl

dom 8/16

5:57 pm-3:54 pm

1 stop19h 57m

$666

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sáb 8/8

6:40 am-7:59 pm

1 stop15h 19m

Billings Logan Intl

dom 8/16

6:15 am-6:17 pm

2 stops10h 02m

$668

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

ter 6/2

3:30 pm-10:52 pm

2 stops9h 22m

Billings Logan Intl

qui 6/11

6:24 am-11:01 pm

1 stop14h 37m

$672
Quickest round-trip

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

ter 6/2

4:56 pm-9:17 pm

1 stop6h 21m

Billings Logan Intl

qui 6/11

2:25 pm-10:19 pm

1 stop5h 54m

$693

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sáb 7/18

5:57 pm-10:20 pm

1 stop6h 23m

Billings Logan Intl

sáb 7/25

7:00 am-10:19 pm

1 stop13h 19m

$712
Cheapest one-way

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

sex 7/3

3:54 pm-11:37 pm

2 stops9h 43m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 April.
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

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

Currently, March is the cheapest month in which you can book a flight from Knoxville to Billings (average of $220). Flying from Knoxville to Billings in June is currently the most expensive (average of $791). 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.

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

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 abril 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
9,643 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,643 reviews
United Airlines
7.4
Good
9,643 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,643 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 46m. Fly via Delta 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, American Airlines ($274), and United Airlines ($318) offers the cheapest pricing from Knoxville to Billings. You may be able to fly from Knoxville to Billings for 39% 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, March is the cheapest month in which you can book a flight from Knoxville to Billings (average of $220). Flying from Knoxville to Billings in June is currently the most expensive (average of $791). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 abril 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$438FlexibilityNo cancel feeOn-time69%

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