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$177+ Cheap flights from Baltimore to Duluth (BWI - DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DLH
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Baltimore to Duluth

Cheapest flights from Baltimore to Duluth
Explore the most affordable flight options available from Baltimore to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:55 pm
BWI
-
DLH
1 stop6h 34m
United Airlines
Mon 4/2011:19 am
DLH
-
BWI
1 stop5h 14m
United Airlines
Deal found 3/14$328
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:00 pm
BWI
-
DLH
1 stop5h 26m
Delta
Sun 8/305:10 am
DLH
-
BWI
1 stop4h 20m
Delta
Deal found 3/14$343
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 6/36:10 am
BWI
-
DLH
1 stop5h 33m
United Airlines
Sat 6/66:10 pm
DLH
-
BWI
1 stop5h 23m
United Airlines
Deal found 3/17$362
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/223:42 pm
BWI
-
DLH
1 stop7h 24m
United Airlines
Sat 4/253:08 pm
DLH
-
BWI
1 stop5h 16m
United Airlines
Deal found 3/12$378
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 3/258:09 am
BWI
-
DLH
1 stop7h 23m
United Airlines
Sat 4/43:08 pm
DLH
-
BWI
1 stop5h 16m
United Airlines
Deal found 3/17$403
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 3/316:00 am
BWI
-
DLH
1 stop5h 29m
United Airlines
Tue 4/73:08 pm
DLH
-
BWI
1 stop5h 15m
United Airlines
Deal found 3/17$413
This United Airlines deal was found by Cheapflights users on 3/17. 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 5/188:30 pm
BWI
-
DLH
1 stop5h 12m
United Airlines
Tue 5/1911:14 am
DLH
-
BWI
1 stop5h 14m
United Airlines
Deal found 3/17$451

Find flight deals from Baltimore to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Delta)

One-way from

$177
(Delta)

Popular in

February

Cheapest in

January
Provider with most accurate pricing for Baltimore/Washington-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Duluth Intl flights.
Search Deals
From Baltimore/Washington to Duluth Intl
Search Deals
One-way flight from Baltimore/Washington to Duluth Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 March 17, 2026.
Use the filters below to find and compare flights from Baltimore to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Sat 4/25

6:08 am-12:07 pm

1 stop6h 59m

Duluth Intl

Thu 4/30

4:29 pm-11:26 pm

1 stop5h 57m

$328
Quickest round-trip

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Sat 8/22

3:00 pm-7:26 pm

1 stop5h 26m

Duluth Intl

Sun 8/30

5:10 am-10:30 am

1 stop4h 20m

$343

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 4/22

3:42 pm-10:06 pm

1 stop7h 24m

Duluth Intl

Sat 4/25

3:08 pm-9:24 pm

1 stop5h 16m

$378

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 3/31

6:00 am-10:29 am

1 stop5h 29m

Duluth Intl

Tue 4/7

11:19 am-5:33 pm

1 stop5h 14m

$414

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Mon 5/18

8:30 pm-12:42 am

1 stop5h 12m

Duluth Intl

Tue 5/19

11:14 am-5:28 pm

1 stop5h 14m

$451

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 6/17

8:15 am-2:28 pm

1 stop7h 13m

Duluth Intl

Wed 6/24

5:00 am-1:57 pm

1 stop7h 57m

$462

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 6/17

2:10 pm-11:38 pm

2 stops10h 28m

Duluth Intl

Wed 6/24

5:10 am-10:30 am

1 stop4h 20m

$554
Cheapest one-way

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 4/21

6:08 am-12:07 pm

1 stop6h 59m

$177
Quickest one-way

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Sun 4/12

6:00 am-10:39 am

1 stop5h 39m

$273

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 4/28

6:00 am-10:39 am

1 stop5h 39m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Baltimore to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Duluth in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Duluth

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

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated March 17, 2026.
See what other customers who have flown with Delta and United Airlines from Baltimore to Duluth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,288 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
United Airlines
7.4
Good
9,431 reviews
Delta
7.9
Good
8,288 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

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

    Delta and United Airlines can get you from Baltimore to Duluth in just under 6h 59m. Your travel time can differ by up to 25m. There are 943 mi between Baltimore and Duluth. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Baltimore to Duluth round-trip?

    Currently priced at $248, Delta will fly you from Baltimore to Duluth and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $248.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

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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Top 2 airlines flying from Baltimore to Duluth

Discover the top 2 airlines that operate flights from Baltimore to Duluth. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$318FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$486FlexibilityNo cancel feeOn-timeN/A

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