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$248+ Cheap flights from Philadelphia to Duluth (PHL - 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DLH
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Philadelphia to Duluth

Cheapest flights from Philadelphia to Duluth
Explore the most affordable flight options available from Philadelphia to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 11/256:00 amPHL - DLH
1 stop5h 38mUnited Airlines
Tue 12/22:57 pmDLH - PHL
1 stop5h 13mUnited Airlines
Deal found 11/6$394
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/66:00 amPHL - DLH
1 stop5h 38mUnited Airlines
Wed 11/123:06 pmDLH - PHL
1 stop6h 57mUnited Airlines
Deal found 11/5$398
This Delta deal was found by Cheapflights users on 11/6. 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 11/256:14 amPHL - DLH
1 stop6h 07mDelta
Tue 12/212:01 pmDLH - PHL
2 stops11h 50mDelta
Deal found 11/6$399
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/76:00 amPHL - DLH
1 stop5h 38mUnited Airlines
Mon 11/103:06 pmDLH - PHL
1 stop5h 15mUnited Airlines
Deal found 11/5$408
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 11/72:25 pmPHL - DLH
2 stops10h 17mDelta
Mon 11/104:18 pmDLH - PHL
1 stop6h 32mDelta
Deal found 11/5$414
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/278:27 amPHL - DLH
1 stop7h 01mUnited Airlines
Fri 1/23:03 pmDLH - PHL
1 stop5h 28mUnited Airlines
Deal found 11/6$509
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/278:27 amPHL - DLH
1 stop7h 01mUnited Airlines
Sat 1/33:03 pmDLH - PHL
1 stop5h 28mUnited Airlines
Deal found 11/6$552
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/286:34 pmPHL - DLH
1 stop5h 21mUnited Airlines
Fri 1/23:03 pmDLH - PHL
1 stop5h 28mUnited Airlines
Deal found 11/6$600

Cheap flight deals from Philadelphia to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(Delta)

Popular in

November

Cheapest in

January

Average price

$633
Provider with most accurate pricing for Philadelphia-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Duluth Intl flights.
Search Deals
From Philadelphia to Duluth Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 November 6, 2025.
Use the filters below to find and compare flights from Philadelphia to Duluth that are best for you.

Fly from

Philadelphia

Fly to

Duluth

Route

Depart

Return

Price

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sat 3/7

6:08 am-11:33 am

1 stop6h 25m

Duluth Intl

Wed 3/11

4:20 pm-11:46 pm

1 stop6h 26m

$248

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 2/25

9:40 am-3:37 pm

2 stops6h 57m

Duluth Intl

Wed 3/4

5:00 am-10:32 am

1 stop4h 32m

$279

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Thu 1/29

6:05 am-11:16 am

1 stop6h 11m

Duluth Intl

Mon 2/2

11:56 am-12:23 am

2 stops11h 27m

$314

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sat 11/29

6:59 pm-11:50 pm

1 stop5h 51m

$584

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sat 11/29

8:08 am-9:59 pm

2 stops38h 51m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Compare providers for flights from Philadelphia 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 Philadelphia to Duluth in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Philadelphia-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Duluth flights, Cheapflights users trust eDreams the most. eDreams 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 Philadelphia-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 Philadelphia to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Philadelphia 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 November 6, 2025.
Read through reviews of airlines operating flights from Philadelphia to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

Related info for your journey

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

    For as low as $248, Delta can have you in Duluth from Philadelphia in 6h 25m. Philadelphia and Duluth are separated by a distance of 975 mi.

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

    Cheapflights users have booked flights from Philadelphia to Duluth round-trip from $248. Another airline that can offer you cheap pricing is United Airlines. Delta is currently priced 43% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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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Alternative routes for Philadelphia 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 Philadelphia to Duluth

Discover the top 2 airlines that operate flights from Philadelphia 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$559FlexibilityNo cancel feeOn-time69%

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