$429+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BIL
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Billings with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Billings
Cheapest
Best
Last-minute
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 October 26, 2026.
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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/55:05 pm -
1 stop7h 25m
Mon 11/92:42 pm -
1 stop5h 50m
Deal found 10/21![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:51 am -
2 stops8h 22m
Wed 11/115:00 am -
2 stops9h 59m
Deal found 10/23![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/115:05 pm -
1 stop7h 25m
Sat 11/142:42 pm -
1 stop5h 50m
Deal found 10/21![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/196:45 am -
2 stops8h 44m
Thu 11/267:00 am -
1 stop7h 04m
Deal found 10/22![United Airlines logo]()
$482
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/265:30 am -
1 stop9h 32m
Thu 12/31:28 pm -
1 stop8h 12m
Deal found 10/22![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 11/1912:34 pm -
2 stops11h 46m
Thu 11/266:34 am -
2 stops10h 49m
Deal found 10/22![Delta logo]()
$508
Best flights from Knoxville to BillingsDiscover 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 October 26, 2026.
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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:05 pm -
1 stop6h 09m
Wed 11/115:00 am -
1 stop8h 01m
Deal found 10/23![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:03 pm -
1 stop6h 11m
Wed 11/115:00 am -
1 stop8h 01m
Deal found 10/23![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/25. 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 1/274:28 pm -
1 stop6h 47m
Sat 1/307:00 am -
1 stop5h 56m
Deal found 10/25![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/1110:33 am -
2 stops12h 41m
Sat 11/147:00 am -
1 stop7h 04m
Deal found 10/21![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/510:33 am -
2 stops8h 41m
Mon 11/97:00 am -
2 stops7h 59m
Deal found 10/21![United Airlines logo]()
$496
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/268:30 am -
1 stop9h 10m
Thu 12/312:35 pm -
1 stop6h 08m
Deal found 10/22![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 12/114:43 pm -
1 stop6h 16m
Mon 1/44:15 pm -
2 stops20h 32m
Deal found 10/22![United Airlines logo]()
$604
Last-minute flights from Knoxville to BillingsDiscover last-minute flight deals from Knoxville to Billings. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Billings. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/55:05 pm -
1 stop7h 25m
Mon 11/92:42 pm -
1 stop5h 50m
Deal found 10/21![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:51 am -
2 stops8h 22m
Wed 11/115:00 am -
2 stops9h 59m
Deal found 10/23![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/115:05 pm -
1 stop7h 25m
Sat 11/142:42 pm -
1 stop5h 50m
Deal found 10/21![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/196:45 am -
2 stops8h 44m
Thu 11/267:00 am -
1 stop7h 04m
Deal found 10/22![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 11/1912:34 pm -
2 stops11h 46m
Thu 11/266:34 am -
2 stops10h 49m
Deal found 10/22![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/265:30 am -
1 stop9h 32m
Thu 12/31:28 pm -
1 stop8h 12m
Deal found 10/22![American Airlines logo]()
$494
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
Popular in | May |
Cheapest in | March |
Average price | $463 |
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 7,457,451 searches. Data last updated October 26, 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
Cheapest round-trip
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Fri 11/6
5:05 pm-9:14 pm
1 stop6h 09m
Billings Logan Intl
Wed 11/11
5:00 am-3:01 pm
1 stop8h 01m
$429
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Sat 11/7
5:03 pm-9:14 pm
1 stop6h 11m
Billings Logan Intl
Wed 11/11
5:00 am-3:01 pm
1 stop8h 01m
$429
Quickest round-trip
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Wed 1/27
4:28 pm-9:15 pm
1 stop6h 47m
Billings Logan Intl
Sat 1/30
7:00 am-2:56 pm
1 stop5h 56m
$469
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Wed 11/11
10:33 am-9:14 pm
2 stops12h 41m
Billings Logan Intl
Sat 11/14
7:00 am-4:04 pm
1 stop7h 04m
$474
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Thu 11/5
10:33 am-5:14 pm
2 stops8h 41m
Billings Logan Intl
Mon 11/9
7:00 am-4:59 pm
2 stops7h 59m
$496
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Sat 12/26
8:30 am-3:40 pm
1 stop9h 10m
Billings Logan Intl
Thu 12/31
2:35 pm-10:43 pm
1 stop6h 08m
$584
KnoxvilleBillings
TYS Knoxville McGhee Tyson - BIL Billings Logan Intl
TYSBIL
Knoxville McGhee Tyson
Fri 12/11
4:43 pm-8:59 pm
1 stop6h 16m
Billings Logan Intl
Mon 1/4
4:15 pm-2:47 pm
2 stops20h 32m
$604
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
TYS-BIL
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.
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 October 26, 2026.
See what other customers who have flown with United 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.
Crew
8.1
Entertainment
7.1
Comfort
7.3
Overall
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Comfort
7.3
Overall
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Complete your trip
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Knoxville and Billings flights
Browse other Knoxville and Billings flight options. Last updated on October 26, 2026.
Other flights from Knoxville
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Knoxville to Billings
Discover the top airline 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$535 | FlexibilityNo cancel fee | On-time69% |