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Cheap flights from Philadelphia to Duluth from $308

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Duluth departing on 7/29. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Philadelphia to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:56 am
PHL
-
DLH
6h 56m
1 stop
Delta Logo
12:47 pm - 6:08 pm
DLH
-
PHL
4h 21m
1 stop
$328Delta
Fri, Apr 10 - Tue, Apr 14
Delta Logo
6:00 am - 11:56 am
PHL
-
DLH
6h 56m
1 stop
Delta Logo
12:47 pm - 10:50 pm
DLH
-
PHL
9h 03m
2 stops
$334Delta
Tue, Apr 7 - Tue, Apr 14
Delta Logo
6:05 am - 11:56 am
PHL
-
DLH
6h 51m
2 stops
Delta Logo
12:47 pm - 10:50 pm
DLH
-
PHL
9h 03m
2 stops
$339Delta
Tue, Apr 7 - Tue, Apr 14
Delta Logo
6:00 am - 11:56 am
PHL
-
DLH
6h 56m
1 stop
Delta Logo
4:29 pm - 11:58 pm
DLH
-
PHL
6h 29m
1 stop
$343Delta
Sun, Apr 5 - Mon, Apr 13
Delta Logo
6:00 am - 11:56 am
PHL
-
DLH
6h 56m
1 stop
Delta Logo
12:47 pm - 10:50 pm
DLH
-
PHL
9h 03m
2 stops
$349Delta
Sun, Apr 5 - Tue, Apr 14
United Airlines Logo
11:38 am - 5:34 pm
PHL
-
DLH
6h 56m
1 stop
United Airlines Logo
6:10 pm - 12:57 am
DLH
-
PHL
5h 47m
1 stop
$356United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
11:36 am - 6:07 pm
PHL
-
DLH
7h 31m
1 stop
United Airlines Logo
11:19 am - 5:33 pm
DLH
-
PHL
5h 14m
1 stop
$364United Airlines
Wed, Apr 8 - Tue, Apr 14
Delta Logo
6:00 am - 11:56 am
PHL
-
DLH
6h 56m
1 stop
Delta Logo
5:00 am - 10:33 am
DLH
-
PHL
4h 33m
1 stop
$378Delta
Tue, Apr 7 - Wed, Apr 15
Delta Logo
6:05 am - 11:56 am
PHL
-
DLH
6h 51m
2 stops
Delta Logo
5:00 am - 10:33 am
DLH
-
PHL
4h 33m
1 stop
$384Delta
Tue, Apr 7 - Wed, Apr 15
United Airlines Logo
6:55 pm - 11:38 pm
PHL
-
DLH
5h 43m
1 stop
United Airlines Logo
6:25 pm - 12:57 am
DLH
-
PHL
5h 32m
1 stop
$392United Airlines
Wed, Jul 8 - Mon, Jul 13

Delta flights from Philadelphia to Duluth

Our best Delta deals on Philadelphia to Duluth flight tickets
Delta
Apr 9
PHL6:00 amPhiladelphia
6h 56m
1 stop
DLH11:56 amDuluth Intl
Apr 14
DLH12:47 pmDuluth Intl
4h 21m
1 stop
PHL6:08 pmPhiladelphia
$328
Delta
Apr 9
PHL6:54 pmPhiladelphia
4h 53m
1 stop
DLH10:47 pmDuluth Intl
Apr 14
DLH12:47 pmDuluth Intl
9h 03m
2 stops
PHL10:50 pmPhiladelphia
$349
Delta
May 27
PHL11:28 amPhiladelphia
5h 20m
1 stop
DLH3:48 pmDuluth Intl
Jun 1
DLH4:30 pmDuluth Intl
5h 42m
1 stop
PHL11:12 pmPhiladelphia
$378

United Airlines flights from Philadelphia to Duluth

Our best United Airlines deals on Philadelphia to Duluth flight tickets
United Airlines
Jun 3
PHL11:38 amPhiladelphia
6h 56m
1 stop
DLH5:34 pmDuluth Intl
Jun 6
DLH6:10 pmDuluth Intl
5h 47m
1 stop
PHL12:57 amPhiladelphia
$356
United Airlines
Jul 8
PHL6:55 pmPhiladelphia
5h 43m
1 stop
DLH11:38 pmDuluth Intl
Jul 13
DLH6:25 pmDuluth Intl
5h 32m
1 stop
PHL12:57 amPhiladelphia
$392
United Airlines
May 28
PHL6:00 amPhiladelphia
5h 43m
1 stop
DLH10:43 amDuluth Intl
Jun 1
DLH6:10 pmDuluth Intl
5h 35m
1 stop
PHL12:45 amPhiladelphia
$399

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 March 23, 2026.
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

Cheapest round-trip

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Fri 4/10

6:00 am-11:56 am

1 stop6h 56m

Duluth Intl

Tue 4/14

12:47 pm-6:08 pm

1 stop4h 21m

$328

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 4/7

6:00 am-11:56 am

1 stop6h 56m

Duluth Intl

Tue 4/14

12:47 pm-10:50 pm

2 stops9h 03m

$334

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 4/7

6:05 am-11:56 am

2 stops6h 51m

Duluth Intl

Tue 4/14

12:47 pm-10:50 pm

2 stops9h 03m

$339

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 4/5

6:00 am-11:56 am

1 stop6h 56m

Duluth Intl

Mon 4/13

4:29 pm-11:58 pm

1 stop6h 29m

$343

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Sun 4/5

6:00 am-11:56 am

1 stop6h 56m

Duluth Intl

Tue 4/14

12:47 pm-10:50 pm

2 stops9h 03m

$349

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 6/3

11:38 am-5:34 pm

1 stop6h 56m

Duluth Intl

Sat 6/6

6:10 pm-12:57 am

1 stop5h 47m

$356

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 4/8

11:36 am-6:07 pm

1 stop7h 31m

Duluth Intl

Tue 4/14

11:19 am-5:33 pm

1 stop5h 14m

$364

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 4/7

6:00 am-11:56 am

1 stop6h 56m

Duluth Intl

Wed 4/15

5:00 am-10:33 am

1 stop4h 33m

$378

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Tue 4/7

6:05 am-11:56 am

2 stops6h 51m

Duluth Intl

Wed 4/15

5:00 am-10:33 am

1 stop4h 33m

$384
Quickest round-trip

PhiladelphiaDuluth

PHL - DLH

PHLDLH

Philadelphia

Wed 7/8

6:55 pm-11:38 pm

1 stop5h 43m

Duluth Intl

Mon 7/13

6:25 pm-12:57 am

1 stop5h 32m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 airline that flies from Philadelphia to Duluth Intl?

United Airlines and Delta are the most popular carriers operating from Philadelphia to Duluth Intl

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 23m

Direct flights

None
The fastest flight from Philadelphia to Duluth takes 5h 23m
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 23m.

  • 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 $258Free CancellationRating
7.9
8,319 reviews
Search Delta flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,460 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
Superior
Hayward
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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