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 March 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.

$288 Cheap Flights from Duluth to Philadelphia in 2026

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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.

7:45 am - 2:16 pm

DLH

PHL

5h 31m

1 stop

6:10 am - 10:34 am

PHL

DLH

5h 24m

1 stop

$288United Airlines

Thu, Apr 30 - Wed, May 6

6:57 pm - 12:59 am

DLH

PHL

5h 02m

1 stop

11:36 am - 6:07 pm

PHL

DLH

7h 31m

1 stop

$308United Airlines

Wed, Apr 22 - Wed, Apr 29

6:43 pm - 12:16 am

DLH

PHL

4h 33m

1 stop

6:17 am - 10:29 am

PHL

DLH

5h 12m

1 stop

$338United Airlines

Thu, Mar 26 - Mon, Mar 30

6:44 pm - 12:59 am

DLH

PHL

5h 15m

1 stop

6:10 am - 10:34 am

PHL

DLH

5h 24m

1 stop

$358United Airlines

Fri, May 1 - Tue, May 5

12:47 pm - 10:50 pm

DLH

PHL

9h 03m

2 stops

6:05 am - 12:07 pm

PHL

DLH

7h 02m

1 stop

$364Delta

Wed, Apr 22 - Wed, Apr 29

6:44 pm - 12:59 am

DLH

PHL

5h 15m

1 stop

6:10 am - 10:34 am

PHL

DLH

5h 24m

1 stop

$378United Airlines

Fri, May 1 - Tue, May 5

4:32 pm - 11:59 pm

DLH

PHL

6h 27m

1 stop

6:00 am - 11:56 am

PHL

DLH

6h 56m

1 stop

$383Delta

Mon, Mar 23 - Mon, Mar 30

4:32 pm - 11:59 pm

DLH

PHL

6h 27m

1 stop

6:00 am - 11:56 am

PHL

DLH

6h 56m

1 stop

$393Delta

Wed, Mar 25 - Wed, Apr 1

4:29 pm - 12:59 am

DLH

PHL

7h 30m

2 stops

6:00 am - 12:07 pm

PHL

DLH

7h 07m

1 stop

$394Delta

Fri, May 1 - Sat, May 2

6:43 pm - 12:16 am

DLH

PHL

4h 33m

1 stop

10:00 am - 2:27 pm

PHL

DLH

5h 27m

1 stop

$408United Airlines

Fri, Mar 27 - Tue, Mar 31

United Airlines flights from Duluth to Philadelphia

Our best United Airlines deals on Duluth to Philadelphia flight tickets

United Airlines

Apr 30

DLH7:45 amDuluth Intl

5h 31m

1 stop

PHL2:16 pmPhiladelphia

May 6

PHL6:10 amPhiladelphia

5h 24m

1 stop

DLH10:34 amDuluth Intl

$288

United Airlines

Apr 22

DLH6:57 pmDuluth Intl

5h 02m

1 stop

PHL12:59 amPhiladelphia

Apr 29

PHL11:36 amPhiladelphia

7h 31m

1 stop

DLH6:07 pmDuluth Intl

$308

United Airlines

Mar 26

DLH6:43 pmDuluth Intl

4h 33m

1 stop

PHL12:16 amPhiladelphia

Mar 30

PHL6:17 amPhiladelphia

5h 12m

1 stop

DLH10:29 amDuluth Intl

$338

Delta flights from Duluth to Philadelphia

Our best Delta deals on Duluth to Philadelphia flight tickets

Delta

Apr 22

DLH12:47 pmDuluth Intl

9h 03m

2 stops

PHL10:50 pmPhiladelphia

Apr 29

PHL6:05 amPhiladelphia

7h 02m

1 stop

DLH12:07 pmDuluth Intl

$364

Delta

Mar 23

DLH4:32 pmDuluth Intl

6h 27m

1 stop

PHL11:59 pmPhiladelphia

Mar 30

PHL6:00 amPhiladelphia

6h 56m

1 stop

DLH11:56 amDuluth Intl

$383

Delta

Mar 25

DLH4:32 pmDuluth Intl

6h 27m

1 stop

PHL11:59 pmPhiladelphia

Apr 1

PHL6:00 amPhiladelphia

6h 56m

1 stop

DLH11:56 amDuluth Intl

$393

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 4/30

7:45 am-2:16 pm

1 stop5h 31m

Philadelphia

Wed 5/6

6:10 am-10:34 am

1 stop5h 24m

$288

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 4/22

6:57 pm-12:59 am

1 stop5h 02m

Philadelphia

Wed 4/29

11:36 am-6:07 pm

1 stop7h 31m

$308

Quickest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 3/26

6:43 pm-12:16 am

1 stop4h 33m

Philadelphia

Mon 3/30

6:17 am-10:29 am

1 stop5h 12m

$338

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 5/1

6:44 pm-12:59 am

1 stop5h 15m

Philadelphia

Tue 5/5

6:10 am-10:34 am

1 stop5h 24m

$358

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 4/22

12:47 pm-10:50 pm

2 stops9h 03m

Philadelphia

Wed 4/29

6:05 am-12:07 pm

1 stop7h 02m

$364

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 5/1

6:44 pm-12:59 am

1 stop5h 15m

Philadelphia

Tue 5/5

6:10 am-10:34 am

1 stop5h 24m

$378

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Mon 3/23

4:32 pm-11:59 pm

1 stop6h 27m

Philadelphia

Mon 3/30

6:00 am-11:56 am

1 stop6h 56m

$383

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 3/25

4:32 pm-11:59 pm

1 stop6h 27m

Philadelphia

Wed 4/1

6:00 am-11:56 am

1 stop6h 56m

$393

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 5/1

4:29 pm-12:59 am

2 stops7h 30m

Philadelphia

Sat 5/2

6:00 am-12:07 pm

1 stop7h 07m

$394

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 3/27

6:43 pm-12:16 am

1 stop4h 33m

Philadelphia

Tue 3/31

10:00 am-2:27 pm

1 stop5h 27m

$408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 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 33m
Direct flights	None

The fastest flight from Duluth to Philadelphia takes 4h 33m

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

Search flight deals

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 33m.
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 March 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 72% of the total bookings. Other popular airlines include United Airlines with 28%.

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 $244	Free Cancellation	Rating 7.9 8,291 reviews		Search Delta flights
United Airlines	PriceFrom $271	Free Cancellation	Rating 7.4 9,423 reviews		Search United Airlines flights

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Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

Essington

New Castle

Vineland

Elkton

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.