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$259+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — TYS
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)
Provider with most accurate pricing for Bismarck-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Bismarck-Knoxville McGhee Tyson flights.
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From Bismarck to Knoxville McGhee Tyson
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Find flight deals from Bismarck to Knoxville

Best flights from Bismarck to Knoxville
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 October 27, 2025.

This Delta deal was found by Cheapflights users on 10/24. 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 2/215:30 pmBIS - TYS
1 stop4h 30mDelta
Wed 2/256:45 amTYS - BIS
1 stop7h 02mDelta
Deal found 10/24$259

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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Bismarck to Knoxville that are best for you.

Fly from

Bismarck

Fly to

Knoxville

Route

Depart

Return

Price

BismarckKnoxville

BIS - TYS

BISTYS

Bismarck

Sat 2/21

5:30 pm-11:00 pm

1 stop4h 30m

Knoxville McGhee Tyson

Wed 2/25

6:45 am-12:47 pm

1 stop7h 02m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Bismarck-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bismarck-Knoxville flight deals on Cheapflights vs. eDreams >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 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 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.
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 Bismarck to Knoxville

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

Find hourly flight availability from Bismarck to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Bismarck to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 54% versus a flight at noon.

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 27, 2025.
Peruse reviews from past customers who have flown with Delta and 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.
Delta
7.9
Good
7,996 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Bismarck to Knoxville?

    There are many flights that can get you from Bismarck to Knoxville in 4h 30m. Fly via Delta to get the fastest option. The distance from Bismarck to Knoxville is about 1149 mi.

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

    According to our current data, Delta ($256), and American Airlines ($259) offers the cheapest pricing from Bismarck to Knoxville.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck 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.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 2 airlines flying from Bismarck to Knoxville

Discover the top 2 airlines 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 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$339FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$511FlexibilityNo cancel feeOn-time71%

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