How long is the flight from Philadelphia to Duluth?

For as low as $298, Delta can have you in Duluth from Philadelphia in 6h 29m. 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.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from PHL to DLH?

When flying from Philadelphia to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$298+ Flights from Philadelphia to Duluth

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1. Tell us where you want to go

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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 October 27, 2025.

Fri 12/126:30 pmPHL - DLH

1 stop6h 29mDelta

Mon 12/154:24 pmDLH - PHL

1 stop6h 33mDelta

Deal found 10/26

$298

Sat 11/87:00 pmPHL - DLH

1 stop4h 53mDelta

Wed 11/124:18 pmDLH - PHL

1 stop6h 32mDelta

Deal found 10/26

$333

Tue 11/256:14 amPHL - DLH

1 stop6h 07mDelta

Tue 12/212:01 pmDLH - PHL

2 stops11h 50mDelta

Deal found 10/27

$359

Best flights from Philadelphia to Duluth
Discover carefully curated flight deals from Philadelphia to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Fri 12/126:30 pmPHL - DLH

1 stop6h 29mDelta

Mon 12/154:24 pmDLH - PHL

1 stop6h 33mDelta

Deal found 10/26

$298

Sat 11/87:00 pmPHL - DLH

1 stop4h 53mDelta

Wed 11/124:18 pmDLH - PHL

1 stop6h 32mDelta

Deal found 10/26

$333

Tue 11/256:14 amPHL - DLH

1 stop6h 07mDelta

Tue 12/212:01 pmDLH - PHL

2 stops11h 50mDelta

Deal found 10/27

$359

Last-minute flights from Philadelphia to Duluth
Discover last-minute flight deals from Philadelphia to Duluth. Data last updated October 27, 2025 and is based on user searches.

Sat 11/87:00 pmPHL - DLH

1 stop4h 53mDelta

Wed 11/124:18 pmDLH - PHL

1 stop6h 32mDelta

Deal found 10/26

$333

Tue 11/256:14 amPHL - DLH

1 stop6h 07mDelta

Tue 12/212:01 pmDLH - PHL

2 stops11h 50mDelta

Deal found 10/27

$359

One-way flights from Philadelphia to Duluth
Search for one-way flight options from Philadelphia to Duluth. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Tue 11/411:49 amPHL - DLH

1 stop4h 41mDelta

Deal found 10/27

$461

Sun 11/25:00 amPHL - DLH

1 stop5h 38mUnited Airlines

Deal found 10/27

$474

Cheap flight deals from Philadelphia to Duluth

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	$428

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. 16% potential increase in price ($85 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Fri 12/12

6:30 pm-11:59 pm

1 stop6h 29m

Duluth Intl

Mon 12/15

4:24 pm-11:57 pm

1 stop6h 33m

$298

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sat 11/8

7:00 pm-10:53 pm

1 stop4h 53m

Duluth Intl

Wed 11/12

4:18 pm-11:50 pm

1 stop6h 32m

$333

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 11/25

6:14 am-11:21 am

1 stop6h 07m

Duluth Intl

Tue 12/2

12:01 pm-12:51 am

2 stops11h 50m

$359

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 11/4

6:00 am-11:22 am

1 stop6h 22m

$461

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 11/2

5:00 am-9:38 am

1 stop5h 38m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Philadelphia to Duluth

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Duluth in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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

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

7,996 reviews

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

7,996 reviews

Delta

7.9

Good

7,996 reviews

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

8,997 reviews

Delta

7.9

Good

7,996 reviews

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

How long is the flight from Philadelphia to Duluth?
For as low as $298, Delta can have you in Duluth from Philadelphia in 6h 29m. 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

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Alternative routes for Philadelphia to Duluth

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Reagan-National to La Crosse flights

Allentown to Fargo flights

Harrisburg to Rochester flights

Top 2 airlines flying from Philadelphia to Duluth

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$248	Average$447	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$318	Average$657	FlexibilityNo cancel fee	On-time69%

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$298+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Philadelphia to Duluth

Cheapest flights from Philadelphia to DuluthExplore 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 October 27, 2025.

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 October 27, 2025.

Cheap flight deals from Philadelphia to Duluth

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Duluth that are best for you.

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 October.

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.

Reviews of airlines servicing Duluth

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.

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?

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

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

How can I find direct flights from Philadelphia to Duluth?

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

Traveling to a place near Duluth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Duluth

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Philadelphia to Duluth

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Book with Flexibility

Travel Smart

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 October 27, 2025.