$349 Cheap Flights from Philadelphia (PHL) to Grand Forks (GFK)

View $349 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Grand Forks, ND (GFK-Grand Forks Intl.)

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Cheap Flights from Philadelphia to Grand Forks (PHL-GFK)

Prices were available within the past 7 days and start at $349 for one-way flights and $447 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 3 - Sat, Dec 6
PHL
Philadelphia
GFK
Grand Forks
$447 Roundtrip, found 1 day ago
$447
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from Philadelphia to Grand Forks, returning Sat, Dec 6, priced at $447 found 1 day ago
Delta
Wed, Dec 3 - Fri, Dec 5
PHL
Philadelphia
GFK
Grand Forks
$448 Roundtrip, found 1 day ago
$448
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from Philadelphia to Grand Forks, returning Fri, Dec 5, priced at $448 found 1 day ago
Delta
Thu, Dec 4 - Fri, Dec 5
PHL
Philadelphia
GFK
Grand Forks
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Philadelphia to Grand Forks, returning Fri, Dec 5, priced at $458 found 1 day ago
Delta
Fri, Nov 14 - Sat, Nov 22
PHL
Philadelphia
GFK
Grand Forks
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Philadelphia to Grand Forks, returning Sat, Nov 22, priced at $527 found 2 days ago
Delta
Tue, Nov 11 - Sat, Nov 22
PHL
Philadelphia
GFK
Grand Forks
$539 Roundtrip, found 2 days ago
$539
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Philadelphia to Grand Forks, returning Sat, Nov 22, priced at $539 found 2 days ago
Delta
Tue, Nov 11 - Sat, Nov 15
PHL
Philadelphia
GFK
Grand Forks
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Philadelphia to Grand Forks, returning Sat, Nov 15, priced at $555 found 2 days ago
Delta
Fri, Nov 14 - Sat, Nov 15
PHL
Philadelphia
GFK
Grand Forks
$561 Roundtrip, found 2 days ago
$561
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Philadelphia to Grand Forks, returning Sat, Nov 15, priced at $561 found 2 days ago
Delta
Fri, Nov 14 - Mon, Nov 17
PHL
Philadelphia
GFK
Grand Forks
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Philadelphia to Grand Forks, returning Mon, Nov 17, priced at $567 found 2 days ago
Delta
Tue, Dec 2 - Sat, Dec 6
PHL
Philadelphia
GFK
Grand Forks
$567 Roundtrip, found 1 day ago
$567
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 2 from Philadelphia to Grand Forks, returning Sat, Dec 6, priced at $567 found 1 day ago
Delta
Tue, Dec 2 - Mon, Dec 8
PHL
Philadelphia
GFK
Grand Forks
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 2 from Philadelphia to Grand Forks, returning Mon, Dec 8, priced at $568 found 1 day ago

Find the cheapest month to fly from Philadelphia (PHL) to Grand Forks (GFK)

August is typically the cheapest month to fly

From $304 - $956 per traveler.

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK) cost?
Get a cheap one-way flight from $349 or cheap return flight from $447 from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK)?
December is the cheapest month to fly from PHL to GFK. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from PHL to GFK. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK)?
There aren't any daily nonstop flights from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PHL to GFK?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Grand Forks Intl. Airport (GFK)?
To arrive at Grand Forks Intl. Airport (GFK) on schedule, choose a flight that leaves from Philadelphia Intl. Airport (PHL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Grand Forks Intl. Airport (GFK) last-minute?
Waiting until right before your break to book a ticket from PHL to GFK often results in higher prices. While you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a PHL to GFK flight and hotel package?
Opting for a PHL to GFK flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Grand Forks Intl. Airport (GFK)?
Typically, you can cancel or reschedule your PHL to GFK flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Grand Forks Intl.
Airlines serving
Delta
Roundtrip price
$446
Distance
1220 mi

Book with confidence

Philadelphia to Grand Forks Flights

The cheapest times to fly from Philadelphia to Grand Forks

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 Grand Forks are during the month of December. You can find some of the cheapest flights from Philadelphia to Grand Forks with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Grand Forks

Sunday is one of the best days to book for cheap flights from Philadelphia to Grand Forks: 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 Grand Forks

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 Grand Forks in 2025. You can also book with separate airlines for your outbound and return journeys, from $349 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 Grand Forks 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 Grand Forks 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 Grand Forks Flights

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*Available to One Key members.