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 January 2026, there is 1 operator 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.

$268 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.

2:57 pm - 9:33 pm

DLH

PHL

5h 36m

1 stop

1:20 pm - 5:20 pm

PHL

DLH

5h 00m

1 stop

$268United Airlines

Sat, May 2 - Sat, May 9

12:46 pm - 12:51 am

DLH

PHL

11h 05m

2 stops

6:15 am - 10:57 am

PHL

DLH

5h 42m

1 stop

$306Delta

Sat, May 2 - Sat, May 9

11:51 am - 5:57 pm

DLH

PHL

5h 06m

1 stop

6:57 pm - 11:52 pm

PHL

DLH

5h 55m

1 stop

$334Delta

Thu, Feb 5 - Mon, Feb 9

11:51 am - 11:13 pm

DLH

PHL

10h 22m

2 stops

6:57 pm - 11:52 pm

PHL

DLH

5h 55m

1 stop

$340Delta

Thu, Feb 5 - Mon, Feb 9

12:46 pm - 11:02 pm

DLH

PHL

9h 16m

2 stops

5:15 pm - 11:38 pm

PHL

DLH

7h 23m

2 stops

$365Delta

Sat, May 2 - Sat, May 9

7:50 am - 2:31 pm

DLH

PHL

5h 41m

1 stop

5:00 pm - 9:59 pm

PHL

DLH

5h 59m

1 stop

$413United Airlines

Wed, Feb 4 - Sat, Feb 7

11:51 am - 11:13 pm

DLH

PHL

10h 22m

2 stops

5:17 pm - 11:52 pm

PHL

DLH

7h 35m

2 stops

$422Delta

Thu, Feb 5 - Mon, Feb 9

3:19 pm - 10:51 pm

DLH

PHL

6h 32m

1 stop

10:06 am - 2:37 pm

PHL

DLH

5h 31m

1 stop

$449United Airlines

Fri, Feb 13 - Wed, Feb 18

3:08 pm - 9:32 pm

DLH

PHL

5h 24m

1 stop

10:00 am - 2:27 pm

PHL

DLH

5h 27m

1 stop

$491United Airlines

Wed, Apr 8 - Wed, Apr 15

7:50 am - 9:37 am

DLH

PHL

24h 47m

2 stops

5:00 pm - 9:59 pm

PHL

DLH

5h 59m

1 stop

$538United Airlines

Wed, Feb 4 - Sat, Feb 7

United Airlines flights from Duluth to Philadelphia

Our best United Airlines deals on Duluth to Philadelphia flight tickets

United Airlines

May 2

DLH2:57 pmDuluth Intl

5h 36m

1 stop

PHL9:33 pmPhiladelphia

May 9

PHL1:20 pmPhiladelphia

5h 00m

1 stop

DLH5:20 pmDuluth Intl

$268

United Airlines

Feb 4

DLH7:50 amDuluth Intl

5h 41m

1 stop

PHL2:31 pmPhiladelphia

Feb 7

PHL5:00 pmPhiladelphia

5h 59m

1 stop

DLH9:59 pmDuluth Intl

$413

United Airlines

Feb 13

DLH3:19 pmDuluth Intl

6h 32m

1 stop

PHL10:51 pmPhiladelphia

Feb 18

PHL10:06 amPhiladelphia

5h 31m

1 stop

DLH2:37 pmDuluth Intl

$449

Delta flights from Duluth to Philadelphia

Our best Delta deals on Duluth to Philadelphia flight tickets

Delta

May 2

DLH12:46 pmDuluth Intl

11h 05m

2 stops

PHL12:51 amPhiladelphia

May 9

PHL6:15 amPhiladelphia

5h 42m

1 stop

DLH10:57 amDuluth Intl

$306

Delta

Feb 5

DLH11:51 amDuluth Intl

5h 06m

1 stop

PHL5:57 pmPhiladelphia

Feb 9

PHL6:57 pmPhiladelphia

5h 55m

1 stop

DLH11:52 pmDuluth Intl

$334

Delta

Feb 5

DLH11:51 amDuluth Intl

10h 22m

2 stops

PHL11:13 pmPhiladelphia

Feb 9

PHL6:57 pmPhiladelphia

5h 55m

1 stop

DLH11:52 pmDuluth Intl

$340

Fly from

Fly to

Route

Depart

Return

Price

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/2

2:57 pm-9:33 pm

1 stop5h 36m

Philadelphia

Sat 5/9

1:20 pm-5:20 pm

1 stop5h 00m

$268

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/2

12:46 pm-12:51 am

2 stops11h 05m

Philadelphia

Sat 5/9

6:15 am-10:57 am

1 stop5h 42m

$306

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 2/5

11:51 am-5:57 pm

1 stop5h 06m

Philadelphia

Mon 2/9

6:57 pm-11:52 pm

1 stop5h 55m

$334

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 2/5

11:51 am-11:13 pm

2 stops10h 22m

Philadelphia

Mon 2/9

6:57 pm-11:52 pm

1 stop5h 55m

$340

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 5/2

12:46 pm-11:02 pm

2 stops9h 16m

Philadelphia

Sat 5/9

5:15 pm-11:38 pm

2 stops7h 23m

$365

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 2/4

7:50 am-2:31 pm

1 stop5h 41m

Philadelphia

Sat 2/7

5:00 pm-9:59 pm

1 stop5h 59m

$413

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 2/5

11:51 am-11:13 pm

2 stops10h 22m

Philadelphia

Mon 2/9

5:17 pm-11:52 pm

2 stops7h 35m

$422

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Fri 2/13

3:19 pm-10:51 pm

1 stop6h 32m

Philadelphia

Wed 2/18

10:06 am-2:37 pm

1 stop5h 31m

$449

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 4/8

3:08 pm-9:32 pm

1 stop5h 24m

Philadelphia

Wed 4/15

10:00 am-2:27 pm

1 stop5h 27m

$491

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Wed 2/4

7:50 am-9:37 am

2 stops24h 47m

Philadelphia

Sat 2/7

5:00 pm-9:59 pm

1 stop5h 59m

$538

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 22% 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 19m
Direct flights	None

The fastest flight from Duluth to Philadelphia takes 4h 19m

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 19m.
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 January 2026, there is 1 operator 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 100% of the total bookings.

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 8,087 reviews		Search Delta flights

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

King of Prussia

Cherry Hill

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

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.