$88 Cheap Flights from Philadelphia (PHL) to Duluth (DLH)

View $88 flight on Fri, Dec 19, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Philadelphia to Duluth (PHL-DLH)

Prices were available within the past 7 days and start at $88 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 27 - Thu, Dec 4
PHL
Philadelphia
DLH
Duluth
$248 Roundtrip, found 5 hours ago
$248
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Nov 27 from Philadelphia to Duluth, returning Thu, Dec 4, priced at $248 found 5 hours ago
United
Thu, Nov 27 - Thu, Dec 4
PHL
Philadelphia
DLH
Duluth
$248 Roundtrip, found 5 hours ago
$248
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Nov 27 from Philadelphia to Duluth, returning Thu, Dec 4, priced at $248 found 5 hours ago
Delta
Fri, Nov 21 - Mon, Dec 8
PHL
Philadelphia
DLH
Duluth
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 21 from Philadelphia to Duluth, returning Mon, Dec 8, priced at $254 found 2 days ago
Delta
Wed, Feb 4 - Sat, Feb 14
PHL
Philadelphia
DLH
Duluth
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Feb 4 from Philadelphia to Duluth, returning Sat, Feb 14, priced at $259 found 3 days ago
Delta
Thu, Feb 5 - Thu, Feb 19
PHL
Philadelphia
DLH
Duluth
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 5 from Philadelphia to Duluth, returning Thu, Feb 19, priced at $263 found 3 days ago
Delta
Thu, Feb 5 - Sat, Feb 14
PHL
Philadelphia
DLH
Duluth
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 5 from Philadelphia to Duluth, returning Sat, Feb 14, priced at $269 found 3 days ago
United
Mon, Nov 24 - Fri, Nov 28
PHL
Philadelphia
DLH
Duluth
$270 Roundtrip, found 4 days ago
$270
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 24 from Philadelphia to Duluth, returning Fri, Nov 28, priced at $270 found 4 days ago
United
Thu, Nov 13 - Thu, Nov 20
PHL
Philadelphia
DLH
Duluth
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 13 from Philadelphia to Duluth, returning Thu, Nov 20, priced at $273 found 1 day ago
United
Thu, Nov 27 - Thu, Dec 4
PHL
Philadelphia
DLH
Duluth
$275 Roundtrip, found 5 hours ago
$275
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Nov 27 from Philadelphia to Duluth, returning Thu, Dec 4, priced at $275 found 5 hours ago
Delta
Thu, Feb 5 - Sat, Feb 21
PHL
Philadelphia
DLH
Duluth
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 5 from Philadelphia to Duluth, returning Sat, Feb 21, priced at $278 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Duluth (DLH)

September is typically the cheapest month to fly

From $248 - $599 per traveler.

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $273
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $273

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH) cost?
Grab a cheap one-way flight from $88 or cheap return flight from $248 from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH)?
Traveling in November is a good way to save, as it's the cheapest month for flights between PHL and DLH. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH)?
To find the cheapest airline flying from PHL to DLH, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH)?
You'll need to catch a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from PHL to DLH?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH)?
To avoid possible delays on the Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH) last-minute?
Waiting until right before your break to book a flight from PHL to DLH often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a PHL to DLH flight and hotel package?
You'll generally save money by securing a PHL to DLH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Duluth Intl. Airport (DLH)?
It's usually possible to cancel or reschedule your PHL to DLH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
974 mi

Book with confidence

Philadelphia to Duluth Flights

The cheapest times to fly from Philadelphia to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Duluth are during the month of November. You can find some of the cheapest flights from Philadelphia to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Duluth

Sunday is one of the best days to book for cheap flights from Philadelphia to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Duluth Flights

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*Available to One Key members.