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$170+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DLH
Oct 9 — Oct 161
Thu 10/9
Thu 10/16
1 adult, Economy
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Cheap 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 September 9, 2025.

Round-trip from

$248
(Delta)

One-way from

$170
(United Airlines)

Popular in

October

Cheapest in

June

Average price

$438
From Baltimore/Washington to Duluth Intl
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One-way flight from Baltimore/Washington to Duluth Intl
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Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 9, 2025.

This Delta deal was found by Cheapflights users on 9/7. 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 10/116:00 amBWI - DLH
1 stop6h 22mDelta
Sat 10/1812:02 pmDLH - BWI
2 stops10h 00mDelta
Deal found 9/7$269
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/96:29 amBWI - DLH
1 stop5h 16mUnited Airlines
Wed 10/1511:20 amDLH - BWI
1 stop5h 06mUnited Airlines
Deal found 9/7$388
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/75:20 pmBWI - DLH
1 stop5h 48mUnited Airlines
Tue 10/143:07 pmDLH - BWI
1 stop17h 48mUnited Airlines
Deal found 9/8$448
This Delta deal was found by Cheapflights users on 9/8. 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 9/236:15 amBWI - DLH
1 stop4h 52mDelta
Sat 9/277:50 amDLH - BWI
1 stop5h 03mDelta
Deal found 9/8$458
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 9/256:29 amBWI - DLH
1 stop5h 16mUnited Airlines
Sat 9/278:00 amDLH - BWI
1 stop5h 08mUnited Airlines
Deal found 9/8$489
This Delta deal was found by Cheapflights users on 9/8. 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 10/76:00 amBWI - DLH
1 stop6h 22mDelta
Sun 10/125:18 amDLH - BWI
1 stop4h 30mDelta
Deal found 9/8$507
This Delta deal was found by Cheapflights users on 9/8. 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 10/76:00 amBWI - DLH
1 stop6h 22mDelta
Tue 10/1412:02 pmDLH - BWI
2 stops10h 00mDelta
Deal found 9/8$513
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/96:00 amBWI - DLH
1 stop6h 22mDelta
Wed 10/155:18 amDLH - BWI
2 stops10h 36mDelta
Deal found 9/7$519
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/246:15 amBWI - DLH
1 stop5h 30mUnited Airlines
Sun 9/288:00 amDLH - BWI
1 stop24h 55mUnited Airlines
Deal found 9/9$522

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 September 9, 2025.
Use the filters below to find and compare flights from Baltimore to Duluth that are best for you.

Fly from

Baltimore

Fly to

Duluth

Route

Depart

Return

Price

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Sat 10/11

6:00 am-11:22 am

1 stop6h 22m

Duluth Intl

Sat 10/18

12:02 pm-11:02 pm

2 stops10h 00m

$269

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Thu 10/9

6:29 am-10:45 am

1 stop5h 16m

Duluth Intl

Wed 10/15

11:20 am-5:26 pm

1 stop5h 06m

$388

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 10/7

5:20 pm-10:08 pm

1 stop5h 48m

Duluth Intl

Tue 10/14

3:07 pm-9:55 am

1 stop17h 48m

$448

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 9/23

6:15 am-10:07 am

1 stop4h 52m

Duluth Intl

Sat 9/27

7:50 am-1:53 pm

1 stop5h 03m

$458

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Thu 9/25

6:29 am-10:45 am

1 stop5h 16m

Duluth Intl

Sat 9/27

8:00 am-2:08 pm

1 stop5h 08m

$489

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 10/7

6:00 am-11:22 am

1 stop6h 22m

Duluth Intl

Sun 10/12

5:18 am-10:48 am

1 stop4h 30m

$507

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 10/7

6:00 am-11:22 am

1 stop6h 22m

Duluth Intl

Tue 10/14

4:10 pm-11:49 pm

1 stop6h 39m

$507

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 10/1

10:51 am-2:32 pm

1 stop4h 41m

$170

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 10/1

12:23 pm-7:13 pm

2 stops7h 50m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Duluth

What is the cheapest month to book a flight from Baltimore to Duluth?

Currently, January is the cheapest month in which you can book a flight from Baltimore to Duluth (average of $337). Flying from Baltimore 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.

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 September 9, 2025.
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
8.0
Very good
7,965 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,943 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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 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 5h 16m. Your travel time can differ by up to 1h 06m. 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. These flights start at 35% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Baltimore to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Duluth (average of $337). Flying from Baltimore 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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Alternative routes for Baltimore to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$419FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$438FlexibilityNo cancel feeOn-time69%

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