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$371+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — TYS
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
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 July 14, 2025.

Round-trip from

$371
(American Airlines)

Popular in

May

Cheapest in

December

Average price

$538
From Bismarck to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 13% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 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 Bismarck to Knoxville

Cheapest flights from Bismarck to Knoxville
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 July 14, 2025.

This American Airlines deal was found by Cheapflights users on 7/14. 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 8/146:23 amBIS - TYS
1 stop6h 13mAmerican Airlines
Sun 8/177:27 amTYS - BIS
1 stop7h 53mAmerican Airlines
Deal found 7/14$371
This Delta deal was found by Cheapflights users on 7/12. 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 9/195:32 pmBIS - TYS
1 stop5h 04mDelta
Sun 9/216:40 amTYS - BIS
1 stop6h 54mDelta
Deal found 7/12$668
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Sun 7/276:00 amBIS - TYS
1 stop8h 04mUnited Airlines
Thu 7/314:35 pmTYS - BIS
1 stop8h 03mUnited Airlines
Deal found 7/12$843

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 July 14, 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

Thu 8/14

6:23 am-1:36 pm

1 stop6h 13m

Knoxville McGhee Tyson

Sun 8/17

7:27 am-2:20 pm

1 stop7h 53m

$371

BismarckKnoxville

BIS - TYS

BISTYS

Bismarck

Fri 9/19

5:32 pm-11:36 pm

1 stop5h 04m

Knoxville McGhee Tyson

Sun 9/21

6:40 am-12:34 pm

1 stop6h 54m

$668

BismarckKnoxville

BIS - TYS

BISTYS

Bismarck

Sun 7/27

6:00 am-3:04 pm

1 stop8h 04m

Knoxville McGhee Tyson

Thu 7/31

4:35 pm-11:38 pm

1 stop8h 03m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

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 July 14, 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 43% 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 July 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, 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
8.0
Very good
7,956 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, American Airlines ($371), Delta ($668), and United Airlines ($843) offers the cheapest pricing from Bismarck to Knoxville. Users have found that American Airlines is 16% cheaper than the other options available to this destination.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Bismarck to Knoxville (average of $294). Flying from Bismarck 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Corbin
Cherokee
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 July 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$549FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$353FlexibilityNo cancel feeOn-timeN/A

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