What is the cheapest airline that flies from Duluth Intl to Philadelphia?

Delta and United Airlines are the most popular carriers operating from Duluth Intl to Philadelphia

When did momondo last update prices for flights from Duluth Intl Airport to Philadelphia Airport?

Prices for flights from Duluth Intl Airport to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Duluth Intl Airport to Philadelphia Airport?

As of April 2026, there are 2 operators available to choose from for flights from Duluth Intl Airport to Philadelphia Airport.

How old do you have to be to fly from Duluth Intl Airport to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$314 Cheap Flights from Duluth to Philadelphia in 2026

Q: What is the typical price of a round-trip flight between Duluth and Philadelphia?

Prices are currently low for flights on this route. Typical prices usually range from $583 to $378. The lowest price recently found on this route was $328.

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Find the cheapest flights from Duluth to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 11:22 pm

DLH

PHL

5h 52m

1 stop

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$328Delta

Sat, May 30 - Sun, Jun 7

4:30 pm - 11:22 pm

DLH

PHL

5h 52m

1 stop

12:38 pm - 10:44 pm

PHL

DLH

11h 06m

2 stops

$334Delta

Sat, May 30 - Sat, Jun 6

5:15 am - 4:40 pm

DLH

PHL

10h 25m

2 stops

8:05 am - 3:49 pm

PHL

DLH

8h 44m

2 stops

$339Delta

Sat, May 30 - Mon, Jun 8

4:30 pm - 11:12 pm

DLH

PHL

5h 42m

1 stop

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$343Delta

Wed, Jun 3 - Tue, Jun 9

4:30 pm - 11:12 pm

DLH

PHL

5h 42m

1 stop

8:05 am - 3:49 pm

PHL

DLH

8h 44m

2 stops

$349Delta

Wed, Jun 3 - Mon, Jun 8

4:30 pm - 11:12 pm

DLH

PHL

5h 42m

1 stop

5:45 am - 12:04 pm

PHL

DLH

7h 19m

1 stop

$358Delta

Wed, Jun 3 - Sat, Jun 6

4:30 pm - 11:22 pm

DLH

PHL

5h 52m

1 stop

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$378Delta

Sat, May 30 - Fri, Jun 12

4:30 pm - 12:57 am

DLH

PHL

7h 27m

2 stops

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$384Delta

Sat, May 30 - Fri, Jun 12

4:30 pm - 11:12 pm

DLH

PHL

5h 42m

1 stop

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$392Delta

Mon, Jun 1 - Tue, Jun 9

4:30 pm - 11:12 pm

DLH

PHL

5h 42m

1 stop

5:40 am - 11:07 am

PHL

DLH

6h 27m

1 stop

$393Delta

Wed, Jun 3 - Fri, Jun 12

United Airlines flights from Duluth to Philadelphia

Our best United Airlines deals on Duluth to Philadelphia flight tickets

United Airlines

Jun 1

DLH6:10 pmDuluth Intl

5h 35m

1 stop

PHL12:45 amPhiladelphia

Jun 8

PHL6:45 pmPhiladelphia

5h 23m

1 stop

DLH11:08 pmDuluth Intl

$408

United Airlines

Jun 4

DLH6:10 pmDuluth Intl

5h 35m

1 stop

PHL12:45 amPhiladelphia

Jun 8

PHL6:45 pmPhiladelphia

5h 23m

1 stop

DLH11:08 pmDuluth Intl

$472

United Airlines

Sep 2

DLH5:00 amDuluth Intl

8h 08m

1 stop

PHL2:08 pmPhiladelphia

Sep 5

PHL10:28 amPhiladelphia

12h 29m

2 stops

DLH9:57 pmDuluth Intl

$522

Delta flights from Duluth to Philadelphia

Our best Delta deals on Duluth to Philadelphia flight tickets

Delta

May 30

DLH4:30 pmDuluth Intl

5h 52m

1 stop

PHL11:22 pmPhiladelphia

Jun 7

PHL5:40 amPhiladelphia

6h 27m

1 stop

DLH11:07 amDuluth Intl

$328

Delta

May 30

DLH5:15 amDuluth Intl

10h 15m

2 stops

PHL4:30 pmPhiladelphia

Jun 10

PHL3:38 pmPhiladelphia

4h 46m

1 stop

DLH7:24 pmDuluth Intl

$334

Delta

May 30

DLH5:15 amDuluth Intl

10h 25m

2 stops

PHL4:40 pmPhiladelphia

Jun 8

PHL8:05 amPhiladelphia

8h 44m

2 stops

DLH3:49 pmDuluth Intl

$339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/30

4:30 pm-11:22 pm

1 stop5h 52m

Philadelphia

Sun 6/7

5:40 am-11:07 am

1 stop6h 27m

$328

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/30

4:30 pm-11:22 pm

1 stop5h 52m

Philadelphia

Sat 6/6

12:38 pm-10:44 pm

2 stops11h 06m

$334

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/30

5:15 am-4:40 pm

2 stops10h 25m

Philadelphia

Mon 6/8

8:05 am-3:49 pm

2 stops8h 44m

$339

Quickest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 6/3

4:30 pm-11:12 pm

1 stop5h 42m

Philadelphia

Tue 6/9

5:40 am-11:07 am

1 stop6h 27m

$343

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 6/3

4:30 pm-11:12 pm

1 stop5h 42m

Philadelphia

Mon 6/8

8:05 am-3:49 pm

2 stops8h 44m

$349

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 6/3

4:30 pm-11:12 pm

1 stop5h 42m

Philadelphia

Sat 6/6

5:45 am-12:04 pm

1 stop7h 19m

$358

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/30

4:30 pm-11:22 pm

1 stop5h 52m

Philadelphia

Fri 6/12

5:40 am-11:07 am

1 stop6h 27m

$378

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/30

4:30 pm-12:57 am

2 stops7h 27m

Philadelphia

Fri 6/12

5:40 am-11:07 am

1 stop6h 27m

$384

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Mon 6/1

4:30 pm-11:12 pm

1 stop5h 42m

Philadelphia

Tue 6/9

5:40 am-11:07 am

1 stop6h 27m

$392

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 6/3

4:30 pm-11:12 pm

1 stop5h 42m

Philadelphia

Fri 6/12

5:40 am-11:07 am

1 stop6h 27m

$393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Duluth to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Duluth and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Duluth is in June. Flight prices, which tend to average around $260, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Philadelphia, with average flight prices from Duluth averaging around $357.

Can stopping save me money on Duluth to Philadelphia flights?

You could potentially save up to 4% on your flight if you consider stops on a Duluth to Philadelphia flight.

When to book flights from Duluth to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Duluth to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Duluth to Philadelphia (DLH to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Duluth to Philadelphia

Fastest flight time	4h 15m
Direct flights	None

The fastest flight from Duluth to Philadelphia takes 4h 15m

There are no direct flights from Duluth to Philadelphia. There are no popular flight routes from Duluth to Philadelphia.

Search flight deals

Frequently asked questions about flying from Duluth to Philadelphia

How far is Duluth Intl to Philadelphia by plane?
The distance between Duluth Intl and Philadelphia is about 969.9 mi. A reasonable flight in good conditions will take 4h 15m.
When did momondo last update prices for flights from Duluth Intl Airport to Philadelphia Airport?
Prices for flights from Duluth Intl Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Duluth Intl Airport to Philadelphia Airport?
As of April 2026, there are 2 operators available to choose from for flights from Duluth Intl Airport to Philadelphia Airport.
How old do you have to be to fly from Duluth Intl Airport to Philadelphia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Duluth to Philadelphia?
Based on momondo bookings for flights between Duluth and Philadelphia, the leading airline is Delta, making up 64% of the total bookings. Other popular airlines include United Airlines with 36%.

Best airlines flying from Duluth to Philadelphia

Compare and see reviews for airlines that fly from Duluth to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,464 reviews		Search Delta flights
United Airlines	PriceFrom $271	Free Cancellation	Rating 7.4 9,677 reviews		Search United Airlines flights

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Cherry Hill

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Newark

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Reading

Avalon

Dover

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Lewes

Stone Harbor

New Castle

Essington

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Pottstown

Somers Point

Why use momondo?

Why should I use momondo to find a flight deal from Duluth to Philadelphia?

Finding the right flight to Philadelphia from Duluth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from Duluth to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Duluth on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Duluth to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Duluth to Philadelphia.

I’m not ready to book a flight from Duluth to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Duluth to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.