HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$268+ Cheap flights from Duluth to Philadelphia (DLH - PHL)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — PHL
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Duluth to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Duluth to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Philadelphia (PHL). 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 July 9, 2025.

Round-trip from

$298
(Delta)

One-way from

$268
(Delta)

Popular in

October

Cheapest in

June

Average price

$462
From Duluth Intl to Philadelphia
Search Deals
One-way flight from Duluth Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Duluth to Philadelphia

Cheapest flights from Duluth to Philadelphia
Explore the most affordable flight options available from Duluth to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.

This Delta deal was found by Cheapflights users on 7/7. 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 8/76:03 pmDLH - PHL
1 stop5h 27mDelta
Wed 8/136:00 amPHL - DLH
1 stop5h 13mDelta
Deal found 7/7$298
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 7/256:13 pmDLH - PHL
1 stop5h 17mUnited Airlines
Mon 7/286:30 amPHL - DLH
1 stop5h 21mUnited Airlines
Deal found 7/9$498

Cheapflights Fare Finder

Customize your flight search to find flights from Duluth to Philadelphia 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 July 9, 2025.
Use the filters below to find and compare flights from Duluth to Philadelphia that are best for you.

Fly from

Duluth

Fly to

Philadelphia

Route

Depart

Return

Price

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 8/7

6:03 pm-12:30 am

1 stop5h 27m

Philadelphia

Wed 8/13

6:00 am-10:13 am

1 stop5h 13m

$298

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 7/25

6:13 pm-12:30 am

1 stop5h 17m

Philadelphia

Sun 7/27

6:30 am-10:51 am

1 stop5h 21m

$527

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 7/24

4:01 pm-12:30 am

1 stop7h 29m

$286

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 7/25

6:13 pm-5:22 pm

3 stops22h 09m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Best time to book a flight from Duluth to Philadelphia

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

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

Currently, August is the cheapest month in which you can book a flight from Duluth to Philadelphia (average of $236). Flying from Duluth to Philadelphia in March is currently the most expensive (average of $295). 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 Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated July 9, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Duluth to Philadelphia by reading reviews from past customers. 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
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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
8,842 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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 Duluth to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, Delta ($298), and United Airlines ($527) offers the cheapest pricing from Duluth to Philadelphia. You may be able to fly from Duluth to Philadelphia for 41% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth to Philadelphia 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 Duluth to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Duluth to Philadelphia (average of $236). Flying from Duluth to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
King of Prussia
Cherry Hill
Ocean City
Pottstown
Chester
Essington
Reading
Millville
Ephrata
Camden
Exton
Dover
Elkton
Willow Grove
Newark
Glen Mills
Springfield
Plymouth Meeting

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 Duluth to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Minneapolis to LaGuardia flights
Minneapolis to Newark flights
Minneapolis to John F Kennedy Intl flights
Minneapolis to Reagan-National flights
Minneapolis to Dulles Intl flights
Minneapolis to Philadelphia flights
Minneapolis to Pittsburgh flights
Fargo to John F Kennedy Intl flights
Fargo to Newark flights
Fargo to LaGuardia flights
Minneapolis to Harrisburg flights
Sioux Falls to Philadelphia flights
Sioux Falls to Dulles Intl flights
Minneapolis to Allentown flights
Sioux Falls to John F Kennedy Intl flights
Duluth to LaGuardia flights
Sioux Falls to LaGuardia flights
Sioux Falls to Newark flights
Sioux Falls to Reagan-National flights
Duluth to John F Kennedy Intl flights
Duluth to Newark flights
Fargo to Dulles Intl flights
Rochester to John F Kennedy Intl flights
Fargo to Reagan-National flights
Rochester to LaGuardia flights
Sioux Falls to Pittsburgh flights
Rochester to Newark flights
Rochester to Dulles Intl flights
Minneapolis to Scranton flights
Sioux Falls to Harrisburg flights
Fargo to Philadelphia flights
Duluth to Dulles Intl flights
Minneapolis to State College flights
Duluth to Reagan-National flights
Rochester to Reagan-National flights
Rochester to Philadelphia flights
Minneapolis to Elmira flights
Fargo to Pittsburgh flights
La Crosse to Newark flights
Hibbing to Philadelphia flights
La Crosse to LaGuardia flights
Fargo to Harrisburg flights
La Crosse to Philadelphia flights
Sioux Falls to State College flights
La Crosse to John F Kennedy Intl flights
Fargo to Allentown flights
Bemidji to Newark flights
Minneapolis to Erie flights
Minneapolis to Williamsport flights

Top airline flying from Duluth to Philadelphia

Discover the top airline that operate flights from Duluth to Philadelphia. 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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$536FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.