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

Delta is the most popular carrier operating from Philadelphia to Duluth Intl

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

Prices for flights from Philadelphia Airport to Duluth Intl Airport were last updated today.

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

There are 2 operators available for flights from Philadelphia Airport to Duluth Intl Airport as of October 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Duluth Intl Airport.

What documentation or ID do you need to fly to Duluth Intl Airport?

The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$52 Cheap Flights from Philadelphia to Duluth in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $387 to $428. The lowest price recently found on this route was $248.

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Find the cheapest flights from Philadelphia to Duluth

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One-way

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Cheap round-trip flights

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6:30 pm - 11:02 pmPHL-DLH

5h 32m1 stop

12:00 pm - 5:20 pmDLH-PHL

4h 20m1 stop

$248Delta

Find Deal

ke, helmi 25 - ke, maalis 4

5:55 am - 3:24 pmPHL-DLH

10h 29m2 stops

12:00 pm - 5:20 pmDLH-PHL

4h 20m1 stop

$309Delta

Find Deal

ke, helmi 25 - ke, maalis 4

6:15 am - 11:07 amPHL-DLH

5h 52m1 stop

12:00 pm - 12:22 amDLH-PHL

11h 22m2 stops

$338Delta

Find Deal

la, maalis 7 - ke, maalis 11

6:14 am - 11:21 amPHL-DLH

6h 07m1 stop

4:24 pm - 11:57 pmDLH-PHL

6h 33m1 stop

$347Delta

Find Deal

ti, marras 25 - ti, joulu 2

6:00 am - 11:02 pmPHL-DLH

18h 02m2 stops

4:20 pm - 11:46 pmDLH-PHL

6h 26m1 stop

$382Delta

Find Deal

la, maalis 7 - ke, maalis 11

9:30 am - 3:24 pmPHL-DLH

6h 54m2 stops

12:00 pm - 12:22 amDLH-PHL

11h 22m2 stops

$398Delta

Find Deal

ke, helmi 25 - ke, maalis 4

6:14 am - 11:21 amPHL-DLH

6h 07m1 stop

5:00 am - 10:53 amDLH-PHL

4h 53m1 stop

$458Delta

Find Deal

ti, marras 25 - ti, joulu 2

6:14 am - 11:21 amPHL-DLH

6h 07m1 stop

12:01 pm - 12:51 amDLH-PHL

11h 50m2 stops

$464Delta

Find Deal

ti, marras 25 - ti, joulu 2

6:00 am - 3:24 pmPHL-DLH

10h 24m2 stops

12:00 pm - 12:22 amDLH-PHL

11h 22m2 stops

$471Delta

Find Deal

la, maalis 7 - ke, maalis 11

9:30 am - 3:24 pmPHL-DLH

6h 54m2 stops

12:00 pm - 12:22 amDLH-PHL

11h 22m2 stops

$509Delta

Find Deal

ke, helmi 25 - ke, maalis 4

Delta flights from Philadelphia to Duluth

Our best Delta deals on Philadelphia to Duluth flight tickets

Delta

Feb 25

PHL6:30 pmPhiladelphia

5h 32m

1 stop

DLH11:02 pmDuluth Intl

Mar 4

DLH12:00 pmDuluth Intl

4h 20m

1 stop

PHL5:20 pmPhiladelphia

$248

Find similar

Delta

Feb 25

PHL5:55 amPhiladelphia

10h 29m

2 stops

DLH3:24 pmDuluth Intl

Mar 4

DLH12:00 pmDuluth Intl

4h 20m

1 stop

PHL5:20 pmPhiladelphia

$309

Find similar

Delta

Mar 7

PHL6:15 amPhiladelphia

5h 52m

1 stop

DLH11:07 amDuluth Intl

Mar 11

DLH12:00 pmDuluth Intl

11h 22m

2 stops

PHL12:22 amPhiladelphia

$338

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ke 2/25

6:30 pm-11:02 pm

1 stop5h 32m

Duluth Intl

ke 3/4

12:00 pm-5:20 pm

1 stop4h 20m

$248

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ke 2/25

5:55 am-3:24 pm

2 stops10h 29m

Duluth Intl

ke 3/4

12:00 pm-5:20 pm

1 stop4h 20m

$309

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

la 3/7

6:15 am-11:07 am

1 stop5h 52m

Duluth Intl

ke 3/11

12:00 pm-12:22 am

2 stops11h 22m

$338

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ti 11/25

6:14 am-11:21 am

1 stop6h 07m

Duluth Intl

ti 12/2

4:24 pm-11:57 pm

1 stop6h 33m

$347

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

la 3/7

6:00 am-11:02 pm

2 stops18h 02m

Duluth Intl

ke 3/11

4:20 pm-11:46 pm

1 stop6h 26m

$382

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ke 2/25

9:30 am-3:24 pm

2 stops6h 54m

Duluth Intl

ke 3/4

12:00 pm-12:22 am

2 stops11h 22m

$398

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ti 11/25

6:14 am-11:21 am

1 stop6h 07m

Duluth Intl

ti 12/2

5:00 am-10:53 am

1 stop4h 53m

$458

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ti 11/25

6:14 am-11:21 am

1 stop6h 07m

Duluth Intl

ti 12/2

12:01 pm-12:51 am

2 stops11h 50m

$464

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

la 3/7

6:00 am-3:24 pm

2 stops10h 24m

Duluth Intl

ke 3/11

12:00 pm-12:22 am

2 stops11h 22m

$471

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

ke 2/25

9:30 am-3:24 pm

2 stops6h 54m

Duluth Intl

ke 3/4

12:00 pm-12:22 am

2 stops11h 22m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Duluth

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 Philadelphia and Duluth?

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Philadelphia to Duluth is on a Saturday when prices can be found for as low as $248. On the other hand, Monday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $793.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $510 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Duluth is in the afternoon when prices are around $601.

When to book flights from Philadelphia to Duluth

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Philadelphia to Duluth Intl by plane?
Duluth Intl is 969.9 mi away from Philadelphia. In terms of flight time, this usually takes a little over 5h 32m.
When did momondo last update prices for flights from Philadelphia Airport to Duluth Intl Airport?
Prices for flights from Philadelphia Airport to Duluth Intl Airport were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Duluth Intl Airport?
There are 2 operators available for flights from Philadelphia Airport to Duluth Intl Airport as of October 2025.
How old do you have to be to fly from Philadelphia Airport to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Philadelphia to Duluth?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Duluth is Delta (75% of total bookings). The next most popular airline is United Airlines (25%).

Best airlines flying from Philadelphia to Duluth

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 7,973 reviews		Search Delta flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 8,974 reviews		Search United Airlines flights

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

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

Finding the right flight to Duluth from Philadelphia 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 Duluth quick and easy, saving you time and money.

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

Flights from Philadelphia to Duluth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Philadelphia to Duluth.

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

Price alerts on flights to Duluth from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.