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Cheap flights from Bismarck to Duluth from $446

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Duluth departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Bismarck to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:10 am - 3:31 pm
BIS
-
DLH
4h 21m
1 stop
Delta Logo
5:15 am - 10:30 am
DLH
-
BIS
5h 15m
1 stop
$446Delta
Mon, Aug 10 - Sun, Aug 16
Delta Logo
11:10 am - 3:31 pm
BIS
-
DLH
4h 21m
1 stop
Delta Logo
11:41 am - 4:56 pm
DLH
-
BIS
5h 15m
1 stop
$566Delta
Mon, Aug 10 - Sat, Aug 15
Delta Logo
11:10 am - 3:31 pm
BIS
-
DLH
4h 21m
1 stop
Delta Logo
11:41 am - 4:56 pm
DLH
-
BIS
5h 15m
1 stop
$741Delta
Mon, Aug 10 - Fri, Aug 14
United Airlines Logo
6:25 pm - 11:22 pm
BIS
-
DLH
28h 57m
2 stops
United Airlines Logo
6:23 pm - 8:33 pm
DLH
-
BIS
26h 10m
2 stops
$827United Airlines
Mon, Aug 10 - Sat, Aug 15
United Airlines Logo
6:25 pm - 11:22 pm
BIS
-
DLH
28h 57m
2 stops
United Airlines Logo
6:23 pm - 12:56 pm
DLH
-
BIS
18h 33m
2 stops
$929United Airlines
Mon, Aug 10 - Fri, Aug 14
United Airlines Logo
6:25 pm - 11:22 pm
BIS
-
DLH
28h 57m
2 stops
United Airlines Logo
6:23 pm - 11:38 pm
DLH
-
BIS
29h 15m
2 stops
$953United Airlines
Mon, Aug 10 - Sun, Aug 16

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Delta flights from Bismarck to Duluth

Our best Delta deals on Bismarck to Duluth flight tickets
Delta
Aug 10
BIS11:10 amBismarck
4h 21m
1 stop
DLH3:31 pmDuluth Intl
Aug 16
DLH5:15 amDuluth Intl
5h 15m
1 stop
BIS10:30 amBismarck
$446
Delta
Aug 10
BIS11:10 amBismarck
4h 21m
1 stop
DLH3:31 pmDuluth Intl
Aug 15
DLH11:41 amDuluth Intl
5h 15m
1 stop
BIS4:56 pmBismarck
$566
Delta
Aug 10
BIS11:10 amBismarck
4h 21m
1 stop
DLH3:31 pmDuluth Intl
Aug 14
DLH11:41 amDuluth Intl
5h 15m
1 stop
BIS4:56 pmBismarck
$741

United Airlines flights from Bismarck to Duluth

Our best United Airlines deals on Bismarck to Duluth flight tickets
United Airlines
Aug 10
BIS6:25 pmBismarck
28h 57m
2 stops
DLH11:22 pmDuluth Intl
Aug 15
DLH6:23 pmDuluth Intl
26h 10m
2 stops
BIS8:33 pmBismarck
$827
United Airlines
Aug 10
BIS6:25 pmBismarck
28h 57m
2 stops
DLH11:22 pmDuluth Intl
Aug 14
DLH6:23 pmDuluth Intl
18h 33m
2 stops
BIS12:56 pmBismarck
$929
United Airlines
Aug 10
BIS6:25 pmBismarck
28h 57m
2 stops
DLH11:22 pmDuluth Intl
Aug 16
DLH6:23 pmDuluth Intl
29h 15m
2 stops
BIS11:38 pmBismarck
$953

momondo 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, momondo users made 832,500 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Bismarck to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

11:10 am-3:31 pm

1 stop4h 21m

Duluth Intl

Sun 8/16

5:15 am-10:30 am

1 stop5h 15m

$446

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

11:10 am-3:31 pm

1 stop4h 21m

Duluth Intl

Sat 8/15

11:41 am-4:56 pm

1 stop5h 15m

$566

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

11:10 am-3:31 pm

1 stop4h 21m

Duluth Intl

Fri 8/14

11:41 am-4:56 pm

1 stop5h 15m

$741

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

6:25 pm-11:22 pm

2 stops28h 57m

Duluth Intl

Sat 8/15

6:23 pm-8:33 pm

2 stops26h 10m

$827

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

6:25 pm-11:22 pm

2 stops28h 57m

Duluth Intl

Fri 8/14

6:23 pm-12:56 pm

2 stops18h 33m

$929

BismarckDuluth

BIS - DLH

BISDLH

Bismarck

Mon 8/10

6:25 pm-11:22 pm

2 stops28h 57m

Duluth Intl

Sun 8/16

6:23 pm-11:38 pm

2 stops29h 15m

$953

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Bismarck to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Bismarck to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bismarck to Duluth (BIS to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Duluth

Fastest flight time

4h 21m

Direct flights

None
The fastest flight from Bismarck to Duluth takes 4h 21m
There are no direct flights from Bismarck to Duluth. There are no popular flight routes from Bismarck to Duluth.
Search flight deals

Frequently asked questions about flying from Bismarck to Duluth

  • How far is Bismarck to Duluth Intl by plane?

    The distance between Bismarck and Duluth Intl is about 410.0 mi. In terms of flight time, this usually takes a little over 4h 21m.

  • When did momondo last update prices for flights from Bismarck Airport to Duluth Intl Airport?

    Prices for flights from Bismarck Airport to Duluth Intl Airport are updated daily.

  • How old do you have to be to fly from Bismarck Airport to Duluth Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bismarck Airport to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Bismarck to Duluth

  • How do I get Price Alerts for flights from Bismarck to Duluth?

    Search flight deals from Bismarck to Duluth. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Bismarck to Duluth with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Duluth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bismarck to Duluth for you.

Can I find flights from Bismarck to Duluth with flexible booking policies on momondo?

Flights from Bismarck to Duluth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Bismarck to Duluth?

Once you have performed a search for Bismarck to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bismarck to Duluth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from Bismarck and alert you when they change.

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