$419+ Cheap flights from Bismarck to Knoxville (BIS - 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — TYS
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Bismarck 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 Bismarck to Knoxville
Cheapest
Best
Last-minute
Cheapest flights from Bismarck to KnoxvilleExplore the most affordable flight options available from Bismarck to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Bismarck to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:56 pm -
1 stop10h 03m
Mon 10/266:55 pm -
1 stop18h 28m
Deal found 9/3![American Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/201:57 pm -
1 stop8h 25m
Thu 9/245:35 pm -
1 stop6h 17m
Deal found 9/5![American Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:12 pm -
2 stops21h 46m
Tue 9/224:50 pm -
1 stop7h 48m
Deal found 9/2![United Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 9/181:57 pm -
1 stop8h 25m
Tue 9/228:00 am -
1 stop5h 36m
Deal found 9/2![American Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:17 pm -
2 stops9h 38m
Tue 9/225:40 am -
2 stops7h 57m
Deal found 9/2![Delta logo]()
$832
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 10/219:05 am -
1 stop5h 44m
Mon 10/267:35 pm -
2 stops25h 54m
Deal found 9/3![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 9/2011:12 am -
2 stops11h 43m
Thu 9/245:40 am -
2 stops7h 57m
Deal found 9/5![Delta logo]()
$935
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:56 pm -
1 stop10h 03m
Sun 10/257:30 am -
1 stop6h 00m
Deal found 9/3![American Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 10/219:05 am -
2 stops10h 44m
Sun 10/253:45 pm -
2 stops8h 59m
Deal found 9/3![United Airlines logo]()
$1,601
Best flights from Bismarck to KnoxvilleDiscover carefully curated flight deals from Bismarck to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Bismarck to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/265:40 am -
1 stop7h 56m
Sat 1/304:25 pm -
1 stop8h 26m
Deal found 9/2![United Airlines logo]()
$419
Last-minute flights from Bismarck to KnoxvilleDiscover last-minute flight deals from Bismarck to Knoxville. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Knoxville. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:12 pm -
2 stops21h 46m
Tue 9/224:50 pm -
1 stop7h 48m
Deal found 9/2![United Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 9/181:57 pm -
1 stop8h 25m
Tue 9/228:00 am -
1 stop5h 36m
Deal found 9/2![American Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:17 pm -
2 stops9h 38m
Tue 9/225:40 am -
2 stops7h 57m
Deal found 9/2![Delta logo]()
$832
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/201:57 pm -
1 stop8h 25m
Thu 9/245:35 pm -
1 stop6h 17m
Deal found 9/5![American Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 9/2011:12 am -
2 stops11h 43m
Thu 9/245:40 am -
2 stops7h 57m
Deal found 9/5![Delta logo]()
$935
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:56 pm -
1 stop10h 03m
Mon 10/266:55 pm -
1 stop18h 28m
Deal found 9/3![American Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 10/219:05 am -
1 stop5h 44m
Mon 10/267:35 pm -
2 stops25h 54m
Deal found 9/3![United Airlines logo]()
$876
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:56 pm -
1 stop10h 03m
Sun 10/257:30 am -
1 stop6h 00m
Deal found 9/3![American Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 10/219:05 am -
2 stops10h 44m
Sun 10/253:45 pm -
2 stops8h 59m
Deal found 9/3![United Airlines logo]()
$1,601
Find flight deals from Bismarck to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck 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 September 7, 2026.
Use the filters below to find and compare flights from Bismarck to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BismarckKnoxville
BIS Bismarck - TYS Knoxville McGhee Tyson
BISTYS
Bismarck
Tue 1/26
5:40 am-2:36 pm
1 stop7h 56m
Knoxville McGhee Tyson
Sat 1/30
4:25 pm-11:51 pm
1 stop8h 26m
$419
Sorted by cheapest first
Compare providers for flights from Bismarck 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 Bismarck to Knoxville in September.
| 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 Bismarck-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bismarck-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 Bismarck-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 Bismarck to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Bismarck with our price prediction graph.
BIS-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 September 7, 2026.
Peruse reviews from past customers who have flown with American Airlines from Bismarck to Knoxville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Related info for your journey
Find useful and relevant information for your journey from Bismarck 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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Top airline flying from Bismarck to Knoxville
Discover the top airline that operate flights from Bismarck 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$495 | FlexibilityNo cancel fee | On-time71% |