Cheap flights from Philadelphia to Duluth from $248

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Duluth departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Delta Logo
6:00 am - 11:31 amPHL-DLH
6h 31m1 stop
Delta Logo
4:14 pm - 11:44 pmDLH-PHL
6h 30m1 stop
$248Delta
Find Deal
Wed, Feb 25 - Wed, Mar 4
Delta Logo
6:57 pm - 11:52 pmPHL-DLH
5h 55m1 stop
Delta Logo
11:56 am - 11:13 pmDLH-PHL
10h 17m2 stops
$254Delta
Find Deal
Wed, Jan 7 - Sat, Jan 10
Delta Logo
5:40 am - 3:44 pmPHL-DLH
11h 04m2 stops
Delta Logo
11:56 am - 11:13 pmDLH-PHL
10h 17m2 stops
$259Delta
Find Deal
Wed, Jan 7 - Sat, Jan 10
Delta Logo
6:55 am - 3:32 pmPHL-DLH
9h 37m2 stops
Delta Logo
8:00 am - 7:25 pmDLH-PHL
10h 25m2 stops
$284Delta
Find Deal
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
5:00 pm - 9:59 pmPHL-DLH
5h 59m1 stop
United Airlines Logo
3:05 pm - 9:36 pmDLH-PHL
5h 31m1 stop
$318United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
10:10 am - 2:30 pmPHL-DLH
5h 20m1 stop
United Airlines Logo
3:05 pm - 9:36 pmDLH-PHL
5h 31m1 stop
$388United Airlines
Find Deal
Tue, Jan 27 - Sat, Jan 31
Delta Logo
6:18 am - 11:20 amPHL-DLH
6h 02m1 stop
Delta Logo
4:24 pm - 11:57 pmDLH-PHL
6h 33m1 stop
$684Delta
Find Deal
Sun, Dec 14 - Thu, Dec 18
Delta Logo
6:18 am - 11:20 amPHL-DLH
6h 02m1 stop
Delta Logo
7:45 am - 6:12 pmDLH-PHL
9h 27m2 stops
$690Delta
Find Deal
Sun, Dec 14 - Thu, Dec 18
Delta Logo
5:30 am - 3:44 pmPHL-DLH
11h 14m2 stops
Delta Logo
7:45 am - 6:12 pmDLH-PHL
9h 27m2 stops
$695Delta
Find Deal
Sun, Dec 14 - Thu, Dec 18
United Airlines Logo
6:34 pm - 10:55 pmPHL-DLH
5h 21m1 stop
United Airlines Logo
3:03 pm - 9:31 pmDLH-PHL
5h 28m1 stop
$696United Airlines
Find Deal
Mon, Dec 29 - Wed, Dec 31

Delta flights from Philadelphia to Duluth

Our best Delta deals on Philadelphia to Duluth flight tickets
Delta
Feb 25
PHL6:00 amPhiladelphia
6h 31m
1 stop
DLH11:31 amDuluth Intl
Mar 4
DLH4:14 pmDuluth Intl
6h 30m
1 stop
PHL11:44 pmPhiladelphia
Delta
Jan 7
PHL6:57 pmPhiladelphia
5h 55m
1 stop
DLH11:52 pmDuluth Intl
Jan 10
DLH11:56 amDuluth Intl
10h 17m
2 stops
PHL11:13 pmPhiladelphia
Delta
Jan 7
PHL5:40 amPhiladelphia
11h 04m
2 stops
DLH3:44 pmDuluth Intl
Jan 10
DLH11:56 amDuluth Intl
10h 17m
2 stops
PHL11:13 pmPhiladelphia

United Airlines flights from Philadelphia to Duluth

Our best United Airlines deals on Philadelphia to Duluth flight tickets
United Airlines
Jan 7
PHL5:00 pmPhiladelphia
5h 59m
1 stop
DLH9:59 pmDuluth Intl
Jan 10
DLH3:05 pmDuluth Intl
5h 31m
1 stop
PHL9:36 pmPhiladelphia
United Airlines
Jan 27
PHL10:10 amPhiladelphia
5h 20m
1 stop
DLH2:30 pmDuluth Intl
Jan 31
DLH3:05 pmDuluth Intl
5h 31m
1 stop
PHL9:36 pmPhiladelphia
United Airlines
Dec 6
PHL5:07 pmPhiladelphia
5h 52m
1 stop
DLH9:59 pmDuluth Intl
Dec 13
DLH2:57 pmDuluth Intl
5h 13m
1 stop
PHL9:10 pmPhiladelphia

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 2/25

6:00 am-11:31 am

1 stop6h 31m

Duluth Intl

Wed 3/4

4:14 pm-11:44 pm

1 stop6h 30m

$248

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 1/7

6:57 pm-11:52 pm

1 stop5h 55m

Duluth Intl

Sat 1/10

11:56 am-11:13 pm

2 stops10h 17m

$254

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 1/7

5:40 am-3:44 pm

2 stops11h 04m

Duluth Intl

Sat 1/10

11:56 am-11:13 pm

2 stops10h 17m

$259

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 2/25

6:55 am-3:32 pm

2 stops9h 37m

Duluth Intl

Wed 3/4

8:00 am-7:25 pm

2 stops10h 25m

$284

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 1/7

5:00 pm-9:59 pm

1 stop5h 59m

Duluth Intl

Sat 1/10

3:05 pm-9:36 pm

1 stop5h 31m

$318

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 1/27

10:10 am-2:30 pm

1 stop5h 20m

Duluth Intl

Sat 1/31

3:05 pm-9:36 pm

1 stop5h 31m

$388

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 12/14

6:18 am-11:20 am

1 stop6h 02m

Duluth Intl

Thu 12/18

4:24 pm-11:57 pm

1 stop6h 33m

$684

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 12/14

6:18 am-11:20 am

1 stop6h 02m

Duluth Intl

Thu 12/18

7:45 am-6:12 pm

2 stops9h 27m

$690

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 12/14

5:30 am-3:44 pm

2 stops11h 14m

Duluth Intl

Thu 12/18

7:45 am-6:12 pm

2 stops9h 27m

$695

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Mon 12/29

6:34 pm-10:55 pm

1 stop5h 21m

Duluth Intl

Wed 12/31

3:03 pm-9:31 pm

1 stop5h 28m

$696

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Duluth from

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

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

Fastest flight time

5h 17m

Direct flights

None
The fastest flight from Philadelphia to Duluth takes 5h 17m
There are no direct flights from Philadelphia to Duluth. There are no popular flight routes from Philadelphia to Duluth.
  • 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 20m.

  • 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?

  • 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?

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
DeltaPriceFrom $248Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
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.

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1 adult
Tue 12/30
Tue 1/6

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