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$326+ Cheap flights from Bismarck to Duluth (BIS - DLH)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — DLH
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Bismarck to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Duluth (DLH). 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 August 18, 2025.

Round-trip from

$326
(Delta)
From Bismarck to Duluth Intl
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Find flight deals from Bismarck to Duluth

Cheapest flights from Bismarck to Duluth
Explore the most affordable flight options available from Bismarck to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Delta deal was found by Cheapflights users on 8/15. 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 9/135:00 amBIS - DLH
1 stop5h 02mDelta
Sat 9/207:50 amDLH - BIS
1 stop3h 45mDelta
Deal found 8/15$326
This Delta deal was found by Cheapflights users on 8/18. 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 9/25:00 amBIS - DLH
1 stop5h 15mDelta
Sat 9/610:55 amDLH - BIS
1 stop3h 53mDelta
Deal found 8/18$422
This Delta deal was found by Cheapflights users on 8/15. 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 8/3112:14 pmBIS - DLH
1 stop3h 25mDelta
Thu 9/45:10 amDLH - BIS
1 stop5h 29mDelta
Deal found 8/15$546
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/136:00 amBIS - DLH
2 stops16h 05mUnited Airlines
Sat 9/209:45 amDLH - BIS
2 stops24h 50mUnited Airlines
Deal found 8/15$602
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/21:55 pmBIS - DLH
2 stops24h 40mUnited Airlines
Sat 9/69:45 amDLH - BIS
2 stops24h 50mUnited Airlines
Deal found 8/18$622
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/15:20 pmBIS - DLH
2 stops28h 45mUnited Airlines
Fri 9/511:20 amDLH - BIS
2 stops25h 39mUnited Airlines
Deal found 8/17$701
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/155:20 pmBIS - DLH
2 stops28h 45mUnited Airlines
Mon 9/223:10 pmDLH - BIS
2 stops19h 25mUnited Airlines
Deal found 8/17$762
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/319:31 amBIS - DLH
2 stops29h 04mUnited Airlines
Thu 9/411:20 amDLH - BIS
2 stops29h 14mUnited Airlines
Deal found 8/15$1,024

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Duluth 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 August 18, 2025.
Use the filters below to find and compare flights from Bismarck to Duluth that are best for you.

Fly from

Bismarck

Fly to

Duluth

Route

Depart

Return

Price

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Sat 9/13

5:00 am-10:02 am

1 stop5h 02m

Duluth Intl

Sat 9/20

7:50 am-11:35 am

1 stop3h 45m

$326

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Tue 9/2

5:00 am-10:15 am

1 stop5h 15m

Duluth Intl

Sat 9/6

10:55 am-2:48 pm

1 stop3h 53m

$422

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 9/1

1:14 pm-7:21 pm

1 stop6h 07m

Duluth Intl

Fri 9/5

7:50 am-12:34 pm

1 stop4h 44m

$546

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Sun 8/31

12:14 pm-3:39 pm

1 stop3h 25m

Duluth Intl

Thu 9/4

5:10 am-10:39 am

1 stop5h 29m

$546

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Sat 9/13

6:00 am-10:05 pm

2 stops16h 05m

Duluth Intl

Sat 9/20

9:45 am-10:35 am

2 stops24h 50m

$602

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Tue 9/2

1:55 pm-2:35 pm

2 stops24h 40m

Duluth Intl

Sat 9/6

9:45 am-10:35 am

2 stops24h 50m

$622

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 9/1

5:20 pm-10:05 pm

2 stops28h 45m

Duluth Intl

Fri 9/5

11:20 am-12:59 pm

2 stops25h 39m

$701

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 9/15

5:20 pm-10:05 pm

2 stops28h 45m

Duluth Intl

Mon 9/22

3:10 pm-10:35 am

2 stops19h 25m

$762

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Sun 8/31

9:31 am-2:35 pm

2 stops29h 04m

Duluth Intl

Thu 9/4

11:20 am-4:34 pm

2 stops29h 14m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Bismarck to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth 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.

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Duluth. 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 Duluth?

    Airlines like Delta and United Airlines fly from Bismarck to Duluth in about 5h 02m. The time it takes to get you to your destination can typically vary by up to 11h 03m. The distance from Bismarck to Duluth is about 405 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Bismarck to Duluth (average of $336). Flying from Bismarck to Duluth in June is currently the most expensive (average of $476). 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 Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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