How long is the flight from Knoxville to Billings?

There are many flights that can get you from Knoxville to Billings in 12h 12m. Fly via 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 ($286), and American Airlines ($323) 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.

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

If weather is an important factor for your trip to Billings, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest time of day to fly from TYS to BIL?

When flying from Knoxville to Billings, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Knoxville-Billings flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Billings flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$278+ Flights from Knoxville to Billings

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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 December 12, 2025.

Fri 12/1211:42 amTYS - BIL

2 stops11h 39mUnited Airlines

Tue 12/167:00 amBIL - TYS

2 stops10h 54mUnited Airlines

Deal found 12/11

$479

Fri 12/124:22 pmTYS - BIL

1 stop6h 56mAmerican Airlines

Tue 12/165:10 amBIL - TYS

1 stop8h 22mAmerican Airlines

Deal found 12/11

$554

Wed 12/108:05 amTYS - BIL

2 stops15h 13mAmerican Airlines

Sat 12/131:58 pmBIL - TYS

1 stop8h 01mAmerican Airlines

Deal found 12/9

$739

Wed 12/107:00 amTYS - BIL

2 stops16h 21mUnited Airlines

Sat 12/137:00 amBIL - TYS

2 stops10h 29mUnited Airlines

Deal found 12/9

$922

Best flights from Knoxville to Billings
Discover carefully curated flight deals from Knoxville to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Mon 1/129:30 amTYS - BIL

2 stops13h 53mUnited Airlines

Sat 1/176:30 amBIL - TYS

2 stops10h 57mUnited Airlines

Deal found 12/11

$320

Tue 1/1312:21 pmTYS - BIL

2 stops12h 12mAmerican Airlines

Sat 1/176:54 amBIL - TYS

2 stops12h 02mAmerican Airlines

Deal found 12/10

$334

Wed 1/144:25 pmTYS - BIL

1 stop6h 58mUnited Airlines

Sat 1/172:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$353

Tue 1/1311:10 amTYS - BIL

2 stops12h 13mUnited Airlines

Tue 1/202:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$358

Sat 1/101:59 pmTYS - BIL

2 stops9h 24mUnited Airlines

Sat 1/172:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$358

Mon 1/129:30 amTYS - BIL

2 stops13h 53mUnited Airlines

Tue 1/202:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$358

Tue 1/1311:10 amTYS - BIL

2 stops12h 13mUnited Airlines

Sat 1/172:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$358

Fri 1/99:30 amTYS - BIL

2 stops13h 53mUnited Airlines

Tue 1/202:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$358

Fri 1/99:05 amTYS - BIL

2 stops14h 18mUnited Airlines

Tue 1/136:30 amBIL - TYS

2 stops8h 23mUnited Airlines

Deal found 12/9

$359

Sun 1/116:45 amTYS - BIL

2 stops8h 39mUnited Airlines

Tue 1/202:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$383

Last-minute flights from Knoxville to Billings
Discover last-minute flight deals from Knoxville to Billings. Data last updated December 12, 2025 and is based on user searches.

Fri 1/91:00 pmTYS - BIL

2 stops11h 31mDelta

Tue 1/206:10 pmBIL - TYS

2 stops13h 11mDelta

Deal found 12/11

$293

Fri 1/91:00 pmTYS - BIL

2 stops11h 31mDelta

Wed 1/146:22 amBIL - TYS

2 stops12h 25mDelta

Deal found 12/11

$319

Fri 1/94:25 pmTYS - BIL

1 stop6h 58mUnited Airlines

Sat 1/172:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$353

Fri 1/91:00 pmTYS - BIL

2 stops11h 31mDelta

Sat 1/176:00 amBIL - TYS

2 stops11h 24mDelta

Deal found 12/11

$354

Fri 1/99:05 amTYS - BIL

2 stops14h 18mUnited Airlines

Tue 1/136:30 amBIL - TYS

2 stops8h 23mUnited Airlines

Deal found 12/9

$359

Mon 1/129:30 amTYS - BIL

2 stops13h 53mUnited Airlines

Sat 1/172:45 pmBIL - TYS

1 stop5h 46mUnited Airlines

Deal found 12/11

$278

Tue 1/1312:21 pmTYS - BIL

2 stops12h 12mAmerican Airlines

Sat 1/176:54 amBIL - TYS

2 stops12h 02mAmerican Airlines

Deal found 12/10

$334

Thu 1/156:30 amTYS - BIL

1 stop14h 55mDelta

Tue 1/206:10 pmBIL - TYS

2 stops13h 11mDelta

Deal found 12/11

$373

Find flight deals from Knoxville to Billings

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$278 (United Airlines)
Popular in	June
Cheapest in	April
Average price	$658

Provider with most accurate pricing for Knoxville McGhee Tyson-Billings Logan Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Billings Logan Intl flights.

Search Deals

From Knoxville McGhee Tyson to Billings Logan Intl

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($109 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Mon 1/12

9:30 am-9:23 pm

2 stops13h 53m

Billings Logan Intl

Sat 1/17

6:30 am-7:27 pm

2 stops10h 57m

$320

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Tue 1/13

12:21 pm-10:33 pm

2 stops12h 12m

Billings Logan Intl

Sat 1/17

6:54 am-8:56 pm

2 stops12h 02m

$334

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Wed 1/14

4:25 pm-9:23 pm

1 stop6h 58m

Billings Logan Intl

Sat 1/17

2:45 pm-10:31 pm

1 stop5h 46m

$353

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Tue 1/13

11:10 am-9:23 pm

2 stops12h 13m

Billings Logan Intl

Tue 1/20

2:45 pm-10:31 pm

1 stop5h 46m

$358

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sat 1/10

1:59 pm-9:23 pm

2 stops9h 24m

Billings Logan Intl

Sat 1/17

2:45 pm-10:31 pm

1 stop5h 46m

$358

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Mon 1/12

9:30 am-9:23 pm

2 stops13h 53m

Billings Logan Intl

Tue 1/20

2:45 pm-10:31 pm

1 stop5h 46m

$358

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Tue 1/13

11:10 am-9:23 pm

2 stops12h 13m

Billings Logan Intl

Sat 1/17

2:45 pm-10:31 pm

1 stop5h 46m

$358

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 1/9

9:30 am-9:23 pm

2 stops13h 53m

Billings Logan Intl

Tue 1/20

2:45 pm-10:31 pm

1 stop5h 46m

$358

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Fri 1/9

9:05 am-9:23 pm

2 stops14h 18m

Billings Logan Intl

Tue 1/13

6:30 am-4:53 pm

2 stops8h 23m

$359

KnoxvilleBillings

TYS - BIL

TYSBIL

Knoxville McGhee Tyson

Sun 1/11

6:45 am-1:24 pm

2 stops8h 39m

Billings Logan Intl

Tue 1/20

2:45 pm-10:31 pm

1 stop5h 46m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Knoxville to Billings

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Billings in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Billings flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, April is the cheapest month in which you can book a flight from Knoxville to Billings (average of $268). Flying from Knoxville to Billings in December is currently the most expensive (average of $527). 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

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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

American Airlines

7.2

Good

11,050 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Knoxville to Billings?
There are many flights that can get you from Knoxville to Billings in 12h 12m. Fly via 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 ($286), and American Airlines ($323) 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, April is the cheapest month in which you can book a flight from Knoxville to Billings (average of $268). Flying from Knoxville to Billings in December is currently the most expensive (average of $527). 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

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Other flights to Billings

Top 2 airlines flying from Knoxville to Billings

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$286	Average$438	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$323	Average$431	FlexibilityNo cancel fee	On-time71%

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$278+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Billings with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Billings

Cheapest flights from Knoxville to BillingsExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Knoxville to Billings

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Billings that are best for you.

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 December.

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.

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?

Reviews of airlines servicing Billings

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.

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?

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

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

How can I find direct flights from Knoxville to Billings?

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

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

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.

Alternative routes for Knoxville to Billings

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Knoxville to Billings

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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 December 12, 2025.