$243 Cheap Flights from Bismarck (BIS) to Duluth (DLH)

View $243 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to Duluth, MN (DLH-Duluth Intl.)

Cheap Flights from Bismarck to Duluth (BIS-DLH)

Prices were available within the past 7 days and start at $243 for one-way flights and $296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 21 - Wed, Nov 5
BIS
Bismarck
DLH
Duluth
$296 Roundtrip, found 3 days ago
$296
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 21 from Bismarck to Duluth, returning Wed, Nov 5, priced at $296 found 3 days ago
Delta
Sat, Oct 18 - Wed, Oct 29
BIS
Bismarck
DLH
Duluth
$306 Roundtrip, found 3 days ago
$306
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Oct 18 from Bismarck to Duluth, returning Wed, Oct 29, priced at $306 found 3 days ago
Delta
Sat, Oct 18 - Thu, Oct 23
BIS
Bismarck
DLH
Duluth
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Oct 18 from Bismarck to Duluth, returning Thu, Oct 23, priced at $316 found 3 days ago
Delta
Mon, Oct 13 - Thu, Oct 23
BIS
Bismarck
DLH
Duluth
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 13 from Bismarck to Duluth, returning Thu, Oct 23, priced at $326 found 3 days ago
Delta
Tue, Oct 21 - Tue, Nov 4
BIS
Bismarck
DLH
Duluth
$336 Roundtrip, found 3 days ago
$336
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 21 from Bismarck to Duluth, returning Tue, Nov 4, priced at $336 found 3 days ago
Delta
Sat, Oct 18 - Mon, Oct 27
BIS
Bismarck
DLH
Duluth
$346 Roundtrip, found 3 days ago
$346
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Oct 18 from Bismarck to Duluth, returning Mon, Oct 27, priced at $346 found 3 days ago
Delta
Mon, Oct 6 - Sat, Oct 11
BIS
Bismarck
DLH
Duluth
$356 Roundtrip, found 4 days ago
$356
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Oct 6 from Bismarck to Duluth, returning Sat, Oct 11, priced at $356 found 4 days ago
Delta
Wed, Oct 8 - Mon, Oct 27
BIS
Bismarck
DLH
Duluth
$376 Roundtrip, found 3 days ago
$376
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 8 from Bismarck to Duluth, returning Mon, Oct 27, priced at $376 found 3 days ago
Delta
Tue, Oct 21 - Mon, Nov 3
BIS
Bismarck
DLH
Duluth
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 21 from Bismarck to Duluth, returning Mon, Nov 3, priced at $387 found 3 days ago
United
Thu, Dec 11 - Tue, Dec 16
BIS
Bismarck
DLH
Duluth
$831 Roundtrip, found 5 days ago
$831
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 11 from Bismarck to Duluth, returning Tue, Dec 16, priced at $831 found 5 days ago

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH) cost?
Get a cheap one-way flight from $243 or cheap return flight from $296 from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH)?
October is the cheapest month to fly from BIS to DLH. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BIS to DLH flight.
How many flights per day from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH)?
There are no daily direct flights available from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from BIS to DLH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH)?
To reach Duluth Intl. Airport (DLH) on time, pick a flight that takes off from Bismarck Municipal Airport (BIS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH) last-minute?
Last-minute fares from BIS to DLH are usually more expensive. To secure the lowest prices, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a BIS to DLH flight and hotel package?
You'll generally save money by booking a BIS to DLH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to Duluth Intl. Airport (DLH)?
If you booked your BIS to DLH flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Bismarck Municipal
Destination airport
Duluth Intl.
Roundtrip price
$296
Distance
405 mi

Book with confidence

Book with confidence

Bismarck to Duluth Flights

The cheapest times to fly from Bismarck to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bismarck to Duluth are during the month of October. You can find some of the cheapest flights from Bismarck to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bismarck to Duluth

Sunday is one of the best days to book for cheap flights from Bismarck to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bismarck to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bismarck to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $243 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bismarck to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bismarck to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bismarck to Duluth Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.