$369+ Cheap flights from Billings to Knoxville (BIL - TYS)
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — TYS
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from Billings to Knoxville 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 Billings to Knoxville
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Cheapest flights from Billings to KnoxvilleExplore 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 October 1, 2026.
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 October 1, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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.
Sat 11/75:20 am -
2 stops12h 29m
Sat 11/1411:02 am -
2 stops10h 35m
Deal found 9/28![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 9/28. 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.
Sat 11/75:20 am -
2 stops12h 29m
Tue 11/1012:34 pm -
2 stops11h 46m
Deal found 9/28![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 11/35:20 am -
2 stops14h 42m
Wed 11/114:00 pm -
2 stops8h 20m
Deal found 9/28![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 11/32:42 pm -
1 stop5h 50m
Tue 11/105:05 pm -
1 stop6h 09m
Deal found 9/28![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/45:00 am -
2 stops9h 59m
Fri 11/139:45 am -
2 stops13h 29m
Deal found 9/28![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/28. 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.
Sat 11/76:29 pm -
2 stops13h 05m
Thu 11/125:40 am -
2 stops15h 57m
Deal found 9/28![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 11/35:00 am -
2 stops9h 59m
Thu 11/1210:33 am -
2 stops12h 41m
Deal found 9/28![United Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:04 am -
1 stop10h 31m
Thu 11/126:30 am -
2 stops28h 44m
Deal found 9/28![Multiple Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/47:00 am -
1 stop7h 42m
Wed 11/112:55 pm -
1 stop7h 45m
Deal found 9/28![American Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:04 am -
1 stop10h 31m
Thu 11/129:33 pm -
1 stop13h 41m
Deal found 9/28![Allegiant Air logo]()
$553
This Delta deal was found by Cheapflights users on 9/28. 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 11/56:29 pm -
2 stops23h 13m
Sat 11/1411:02 am -
2 stops10h 35m
Deal found 9/28![Delta logo]()
$592
Best flights from Billings to KnoxvilleDiscover carefully curated flight deals from Billings to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
Discover carefully curated flight deals from Billings to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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.
Sat 11/75:20 am -
2 stops12h 29m
Tue 11/1012:34 pm -
2 stops11h 46m
Deal found 9/28![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/42:42 pm -
1 stop5h 50m
Thu 11/125:05 pm -
1 stop6h 09m
Deal found 9/28![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 11/36:30 am -
2 stops13h 32m
Sat 11/1411:02 am -
2 stops13h 18m
Deal found 9/28![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 11/37:00 am -
1 stop6h 01m
Sat 11/145:03 pm -
1 stop7h 27m
Deal found 9/28![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/28. 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 1/307:00 am -
1 stop5h 36m
Wed 2/34:25 pm -
1 stop6h 54m
Deal found 9/28![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/45:00 am -
2 stops9h 59m
Sat 11/149:00 am -
1 stop6h 29m
Deal found 9/28![United Airlines logo]()
$474
Last-minute flights from Billings to KnoxvilleDiscover last-minute flight deals from Billings to Knoxville. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Knoxville. Data last updated October 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops12h 18m
Thu 10/223:00 pm -
1 stop8h 12m
Deal found 10/1![American Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
3 stops13h 49m
Thu 10/2210:42 am -
2 stops12h 28m
Deal found 10/1![United Airlines logo]()
$1,039
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:57 pm -
2 stops24h 22m
Tue 10/204:53 pm -
1 stop6h 17m
Deal found 10/1![United Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/175:57 pm -
2 stops14h 40m
Sun 10/256:45 am -
2 stops8h 44m
Deal found 9/28![United Airlines logo]()
$838
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Sun 10/256:00 am -
1 stop6h 07m
Sun 11/15:30 am -
1 stop9h 23m
Deal found 9/26![American Airlines logo]()
$595
Find 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 October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
Popular in | June |
Cheapest in | December |
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 7,457,451 searches. Data last updated October 1, 2026.
Use the filters below to find and compare flights from Billings to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Sat 11/7
5:20 am-7:49 pm
2 stops12h 29m
Knoxville McGhee Tyson
Tue 11/10
12:34 pm-10:20 pm
2 stops11h 46m
$419
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Tue 11/3
6:30 am-10:02 pm
2 stops13h 32m
Knoxville McGhee Tyson
Sat 11/14
11:02 am-10:20 pm
2 stops13h 18m
$464
Quickest round-trip
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Wed 11/4
2:42 pm-10:32 pm
1 stop5h 50m
Knoxville McGhee Tyson
Thu 11/12
5:05 pm-9:14 pm
1 stop6h 09m
$469
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Tue 11/3
7:00 am-3:01 pm
1 stop6h 01m
Knoxville McGhee Tyson
Sat 11/14
5:03 pm-10:30 pm
1 stop7h 27m
$469
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Sat 1/30
7:00 am-2:36 pm
1 stop5h 36m
Knoxville McGhee Tyson
Wed 2/3
4:25 pm-9:19 pm
1 stop6h 54m
$469
BillingsKnoxville
BIL Billings Logan Intl - TYS Knoxville McGhee Tyson
BILTYS
Billings Logan Intl
Wed 11/4
5:00 am-4:59 pm
2 stops9h 59m
Knoxville McGhee Tyson
Sat 11/14
9:00 am-1:29 pm
1 stop6h 29m
$474
Sorted by cheapest first
Compare providers for flights from Billings to Knoxville
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 Billings to Knoxville in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Billings-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-Knoxville 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 Billings-Knoxville 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 Billings to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Billings with our price prediction graph.
BIL-TYS
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 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 October 1, 2026.
Read reviews from past customers who have flown United Airlines and 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.
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 1, 2026.
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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 7,457,451 searches. Data last updated October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$340 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$377 | Average$524 | FlexibilityNo cancel fee | On-time71% |