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$192+ Cheap flights from Billings to Knoxville (BIL - TYS)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — TYS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Billings to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Knoxville (TYS). 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 3, 2025.

Popular in

March

Cheapest in

January

Average price

$536
Highest demand for flights based on searches. 13% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Billings to Knoxville

Cheapest flights from Billings to Knoxville
Explore the most affordable flight options available from Billings to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 7/311:45 amBIL - TYS
2 stops9h 59mDelta
Sun 7/66:15 pmTYS - BIL
1 stop6h 56mDelta
Deal found 7/1$564
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 7/312:36 pmBIL - TYS
1 stop6h 57mAmerican Airlines
Sun 7/66:29 pmTYS - BIL
1 stop6h 38mAmerican Airlines
Deal found 7/2$661
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/32:35 pmBIL - TYS
2 stops26h 03mUnited Airlines
Sun 7/67:00 amTYS - BIL
1 stop6h 36mUnited Airlines
Deal found 7/3$799

Cheapflights Fare Finder

Customize your flight search to find flights from Billings to Knoxville 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 3, 2025.
Use the filters below to find and compare flights from Billings to Knoxville that are best for you.

Fly from

Billings

Fly to

Knoxville

Route

Depart

Return

Price

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/5

5:40 am-1:24 pm

1 stop5h 44m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Billings to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Billings 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 Billings to Knoxville

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

Currently, January is the cheapest month in which you can book a flight from Billings to Knoxville (average of $296). Flying from Billings to Knoxville in March is currently the most expensive (average of $376). 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 Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown American Airlines from Billings to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billings to Knoxville 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 Billings to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Billings to Knoxville (average of $296). Flying from Billings to Knoxville in March is currently the most expensive (average of $376). 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

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Top 2 airlines flying from Billings to Knoxville

Discover the top 2 airlines that operate flights from Billings to Knoxville. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$503FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$326Average$508FlexibilityNo cancel feeOn-time69%

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