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 August 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

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Find the cheapest flights from Philadelphia to Duluth

Round-trip

One-way

Cheap round-trip flights

6:00 am - 10:15 amPHL-DLH

5h 15m1 stop

7:50 am - 2:00 pmDLH-PHL

5h 10m1 stop

$278Delta

Find Deal

mar., sep. 9 - sáb., sep. 13

6:00 am - 10:15 amPHL-DLH

5h 15m1 stop

5:10 am - 1:35 pmDLH-PHL

7h 25m2 stops

$284Delta

Find Deal

mar., sep. 9 - sáb., sep. 13

6:00 am - 10:15 amPHL-DLH

5h 15m1 stop

5:10 am - 10:34 amDLH-PHL

4h 24m1 stop

$313Delta

Find Deal

mié., sep. 10 - dom., sep. 14

11:35 am - 10:46 pmPHL-DLH

12h 11m2 stops

5:10 am - 4:10 pmDLH-PHL

10h 00m2 stops

$423Delta

Find Deal

mar., sep. 9 - sáb., sep. 13

6:00 am - 10:15 amPHL-DLH

5h 15m1 stop

5:10 am - 4:10 pmDLH-PHL

10h 00m2 stops

$494Delta

Find Deal

mié., sep. 10 - dom., sep. 14

6:00 am - 10:07 amPHL-DLH

5h 07m1 stop

5:10 am - 10:34 amDLH-PHL

4h 24m1 stop

$523Delta

Find Deal

vie., sep. 12 - dom., sep. 14

5:00 am - 10:22 amPHL-DLH

6h 22m1 stop

4:10 pm - 12:52 amDLH-PHL

7h 42m2 stops

$573Delta

Find Deal

dom., nov. 2 - vie., nov. 7

5:45 am - 2:30 pmPHL-DLH

9h 45m2 stops

4:10 pm - 12:52 amDLH-PHL

7h 42m2 stops

$578Delta

Find Deal

dom., nov. 2 - vie., nov. 7

7:58 pm - 10:45 amPHL-DLH

15h 47m2 stops

8:00 am - 11:56 amDLH-PHL

26h 56m1 stop

$613United Airlines

Find Deal

vie., sep. 12 - dom., sep. 14

1:03 pm - 10:45 amPHL-DLH

22h 42m1 stop

9:45 am - 2:17 pmDLH-PHL

27h 32m1 stop

$633United Airlines

Find Deal

vie., sep. 12 - dom., sep. 14

United Airlines flights from Philadelphia to Duluth

Our best United Airlines deals on Philadelphia to Duluth flight tickets

United Airlines

Sep 4

PHL5:15 pmPhiladelphia

5h 50m

1 stop

DLH10:05 pmDuluth Intl

Sep 10

DLH9:45 amDuluth Intl

6h 36m

1 stop

PHL5:21 pmPhiladelphia

$414

Find similar

United Airlines

Aug 28

PHL6:30 amPhiladelphia

5h 15m

1 stop

DLH10:45 amDuluth Intl

Aug 31

DLH8:00 amDuluth Intl

5h 17m

1 stop

PHL2:17 pmPhiladelphia

$429

Find similar

United Airlines

Sep 4

PHL5:15 pmPhiladelphia

5h 50m

1 stop

DLH10:05 pmDuluth Intl

Sep 10

DLH9:45 amDuluth Intl

6h 36m

1 stop

PHL5:21 pmPhiladelphia

$478

Find similar

Delta flights from Philadelphia to Duluth

Our best Delta deals on Philadelphia to Duluth flight tickets

Delta

Sep 9

PHL6:00 amPhiladelphia

5h 15m

1 stop

DLH10:15 amDuluth Intl

Sep 13

DLH7:50 amDuluth Intl

5h 10m

1 stop

PHL2:00 pmPhiladelphia

$278

Find similar

Delta

Sep 9

PHL6:00 amPhiladelphia

5h 15m

1 stop

DLH10:15 amDuluth Intl

Sep 13

DLH5:10 amDuluth Intl

7h 25m

2 stops

PHL1:35 pmPhiladelphia

$284

Find similar

Delta

Sep 10

PHL6:00 amPhiladelphia

5h 15m

1 stop

DLH10:15 amDuluth Intl

Sep 14

DLH5:10 amDuluth Intl

4h 24m

1 stop

PHL10:34 amPhiladelphia

$313

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

mar. 9/9

6:00 am-10:15 am

1 stop5h 15m

Duluth Intl

sáb. 9/13

7:50 am-2:00 pm

1 stop5h 10m

$278

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

mar. 9/9

6:00 am-10:15 am

1 stop5h 15m

Duluth Intl

sáb. 9/13

5:10 am-1:35 pm

2 stops7h 25m

$284

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

mié. 9/10

6:00 am-10:15 am

1 stop5h 15m

Duluth Intl

dom. 9/14

5:10 am-10:34 am

1 stop4h 24m

$313

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

mar. 9/9

11:35 am-10:46 pm

2 stops12h 11m

Duluth Intl

sáb. 9/13

5:10 am-4:10 pm

2 stops10h 00m

$423

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

mié. 9/10

6:00 am-10:15 am

1 stop5h 15m

Duluth Intl

dom. 9/14

5:10 am-4:10 pm

2 stops10h 00m

$494

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

vie. 9/12

6:00 am-10:07 am

1 stop5h 07m

Duluth Intl

dom. 9/14

5:10 am-10:34 am

1 stop4h 24m

$523

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

dom. 11/2

5:00 am-10:22 am

1 stop6h 22m

Duluth Intl

vie. 11/7

4:10 pm-12:52 am

2 stops7h 42m

$573

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

dom. 11/2

5:45 am-2:30 pm

2 stops9h 45m

Duluth Intl

vie. 11/7

4:10 pm-12:52 am

2 stops7h 42m

$578

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

vie. 9/12

7:58 pm-10:45 am

2 stops15h 47m

Duluth Intl

dom. 9/14

8:00 am-11:56 am

1 stop26h 56m

$613

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

vie. 9/12

1:03 pm-10:45 am

1 stop22h 42m

Duluth Intl

dom. 9/14

9:45 am-2:17 pm

1 stop27h 32m

$633

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 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 07m.
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 August 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 (76% of total bookings). The next most popular airline is United Airlines (24%).

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 7,979 reviews		Search Delta flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.4 8,943 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.