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 June 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.

$368 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 $875 to $550. The lowest price recently found on this route was $368.

Discover deals from 900+ travel sites with momondo.

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.

4:07 pm - 11:58 pm

DLH

PHL

6h 51m

1 stop

5:40 am - 11:04 am

PHL

DLH

6h 24m

1 stop

$368Delta

Thu, Jul 2 - Wed, Jul 8

7:35 am - 2:22 pm

DLH

PHL

5h 47m

1 stop

11:39 am - 5:34 pm

PHL

DLH

6h 55m

1 stop

$388United Airlines

Tue, Oct 27 - Sat, Oct 31

6:25 pm - 12:57 am

DLH

PHL

5h 32m

1 stop

6:00 am - 10:41 am

PHL

DLH

5h 41m

1 stop

$488United Airlines

Mon, Jun 29 - Sun, Jul 5

7:03 am - 2:47 pm

DLH

PHL

6h 44m

1 stop

11:38 am - 5:34 pm

PHL

DLH

6h 56m

1 stop

$493United Airlines

Tue, Jun 30 - Thu, Jul 9

6:10 pm - 7:25 pm

DLH

PHL

24h 15m

2 stops

11:39 am - 5:34 pm

PHL

DLH

6h 55m

1 stop

$509United Airlines

Tue, Oct 27 - Sat, Oct 31

6:10 pm - 7:25 pm

DLH

PHL

24h 15m

2 stops

11:39 am - 5:34 pm

PHL

DLH

6h 55m

1 stop

$527United Airlines

Tue, Oct 27 - Sat, Oct 31

6:10 pm - 9:24 am

DLH

PHL

14h 14m

2 stops

10:10 am - 2:33 pm

PHL

DLH

5h 23m

1 stop

$533United Airlines

Tue, Oct 27 - Sat, Oct 31

7:35 am - 2:22 pm

DLH

PHL

5h 47m

1 stop

2:37 pm - 12:53 am

PHL

DLH

11h 16m

2 stops

$545United Airlines

Sat, Nov 14 - Tue, Nov 17

5:00 am - 10:47 am

DLH

PHL

4h 47m

1 stop

5:40 am - 11:04 am

PHL

DLH

6h 24m

1 stop

$628Delta

Sun, Jul 5 - Sat, Jul 11

6:25 pm - 11:20 pm

DLH

PHL

27h 55m

2 stops

11:38 am - 5:34 pm

PHL

DLH

6h 56m

1 stop

$633United Airlines

Tue, Jun 30 - Thu, Jul 9

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United Airlines flights from Duluth to Philadelphia

Our best United Airlines deals on Duluth to Philadelphia flight tickets

United Airlines

Oct 27

DLH7:35 amDuluth Intl

5h 47m

1 stop

PHL2:22 pmPhiladelphia

Oct 31

PHL11:39 amPhiladelphia

6h 55m

1 stop

DLH5:34 pmDuluth Intl

$388

United Airlines

Jun 29

DLH6:25 pmDuluth Intl

5h 32m

1 stop

PHL12:57 amPhiladelphia

Jul 5

PHL6:00 amPhiladelphia

5h 41m

1 stop

DLH10:41 amDuluth Intl

$488

United Airlines

Jun 30

DLH7:03 amDuluth Intl

6h 44m

1 stop

PHL2:47 pmPhiladelphia

Jul 9

PHL11:38 amPhiladelphia

6h 56m

1 stop

DLH5:34 pmDuluth Intl

$493

Delta flights from Duluth to Philadelphia

Our best Delta deals on Duluth to Philadelphia flight tickets

Delta

Jul 2

DLH4:07 pmDuluth Intl

6h 51m

1 stop

PHL11:58 pmPhiladelphia

Jul 8

PHL5:40 amPhiladelphia

6h 24m

1 stop

DLH11:04 amDuluth Intl

$368

Delta

Jul 5

DLH5:00 amDuluth Intl

4h 47m

1 stop

PHL10:47 amPhiladelphia

Jul 11

PHL5:40 amPhiladelphia

6h 24m

1 stop

DLH11:04 amDuluth Intl

$628

Delta

Jun 22

DLH8:00 amDuluth Intl

5h 43m

1 stop

PHL2:43 pmPhiladelphia

Jun 22

PHL7:00 pmPhiladelphia

4h 50m

1 stop

DLH10:50 pmDuluth Intl

$1,347

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Thu 7/2

4:07 pm-11:58 pm

1 stop6h 51m

Philadelphia

Wed 7/8

5:40 am-11:04 am

1 stop6h 24m

$368

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 10/27

7:35 am-2:22 pm

1 stop5h 47m

Philadelphia

Sat 10/31

11:39 am-5:34 pm

1 stop6h 55m

$388

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Mon 6/29

6:25 pm-12:57 am

1 stop5h 32m

Philadelphia

Sun 7/5

6:00 am-10:41 am

1 stop5h 41m

$488

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 6/30

7:03 am-2:47 pm

1 stop6h 44m

Philadelphia

Thu 7/9

11:38 am-5:34 pm

1 stop6h 56m

$493

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 10/27

6:10 pm-7:25 pm

2 stops24h 15m

Philadelphia

Sat 10/31

11:39 am-5:34 pm

1 stop6h 55m

$509

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 10/27

6:10 pm-7:25 pm

2 stops24h 15m

Philadelphia

Sat 10/31

11:39 am-5:34 pm

1 stop6h 55m

$527

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 10/27

6:10 pm-9:24 am

2 stops14h 14m

Philadelphia

Sat 10/31

10:10 am-2:33 pm

1 stop5h 23m

$533

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sat 11/14

7:35 am-2:22 pm

1 stop5h 47m

Philadelphia

Tue 11/17

2:37 pm-12:53 am

2 stops11h 16m

$545

Quickest round-trip

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Sun 7/5

5:00 am-10:47 am

1 stop4h 47m

Philadelphia

Sat 7/11

5:40 am-11:04 am

1 stop6h 24m

$628

DuluthPhiladelphia

DLH - PHL

DLHPHL

Duluth Intl

Tue 6/30

6:25 pm-11:20 pm

2 stops27h 55m

Philadelphia

Thu 7/9

11:38 am-5:34 pm

1 stop6h 56m

$633

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 November. Flight prices, which tend to average around $357, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Philadelphia, with average flight prices from Duluth averaging around $367.

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	5h 32m
Direct flights	None

The fastest flight from Duluth to Philadelphia takes 5h 32m

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 5h 32m.
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 June 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 United Airlines, making up 51% of the total bookings. Other popular airlines include Delta with 49%.

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 $263	Free Cancellation	Rating 7.9 8,404 reviews		Search Delta flights
United Airlines	PriceFrom $271	Free Cancellation	Rating 7.4 9,820 reviews		Search United Airlines flights

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Ocean City

Cherry Hill

King of Prussia

Newark

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Reading

Dover

North Wildwood

Essington

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New Castle

Stone Harbor

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Chester

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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.