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Bismarck

$259+ Cheap flights from Knoxville to Bismarck (TYS - BIS)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Knoxville to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Bismarck (BIS). 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 29, 2025.

Round-trip from

$259
(American Airlines)
From Knoxville McGhee Tyson to Bismarck
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Find flight deals from Knoxville to Bismarck

Cheapest flights from Knoxville to Bismarck
Explore the most affordable flight options available from Knoxville to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 11/127:54 amTYS - BIS
1 stop5h 31mAmerican Airlines
Sat 11/156:00 amBIS - TYS
1 stop8h 35mAmerican Airlines
Deal found 7/29$259
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 9/215:45 amTYS - BIS
2 stops7h 49mDelta
Sat 9/273:35 pmBIS - TYS
1 stop6h 00mDelta
Deal found 7/28$329
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/114:58 pmTYS - BIS
1 stop7h 41mUnited Airlines
Fri 11/145:45 amBIS - TYS
2 stops10h 23mUnited Airlines
Deal found 7/29$488

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Bismarck 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 29, 2025.
Use the filters below to find and compare flights from Knoxville to Bismarck that are best for you.

Fly from

Knoxville

Fly to

Bismarck

Route

Depart

Return

Price

KnoxvilleBismarck

TYS - BIS

TYSBIS

Knoxville McGhee Tyson

Wed 11/12

7:54 am-12:25 pm

1 stop5h 31m

Bismarck

Sat 11/15

6:00 am-3:35 pm

1 stop8h 35m

$259

KnoxvilleBismarck

TYS - BIS

TYSBIS

Knoxville McGhee Tyson

Sun 9/21

5:45 am-12:34 pm

2 stops7h 49m

Bismarck

Sat 9/27

3:35 pm-10:35 pm

1 stop6h 00m

$329

KnoxvilleBismarck

TYS - BIS

TYSBIS

Knoxville McGhee Tyson

Tue 11/11

4:58 pm-11:39 pm

1 stop7h 41m

Bismarck

Fri 11/14

5:45 am-5:08 pm

2 stops10h 23m

$488

KnoxvilleBismarck

TYS - BIS

TYSBIS

Knoxville McGhee Tyson

Sun 8/17

4:35 pm-11:38 pm

1 stop8h 03m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Knoxville to Bismarck

Have a flexible travel schedule? Discover the best time to fly to Bismarck from Knoxville 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.

Reviews of airlines servicing Bismarck

Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Bismarck 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
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

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 Knoxville to Bismarck. 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 Knoxville to Bismarck round-trip?

    Cheapflights users have booked flights from Knoxville to Bismarck round-trip from $259. Other airlines that can offer you cheap pricing are Delta, from $329, and United Airlines, from $488.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Bismarck 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 Knoxville to Bismarck?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Bismarck (average of $346). Flying from Knoxville to Bismarck in July is currently the most expensive (average of $433). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Knoxville to Bismarck

Discover the top airline that operate flights from Knoxville to Bismarck. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$378Average$508FlexibilityNo cancel feeOn-time71%

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