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

View $349 flight on Mon, Nov 24, 2025Opens in a new window

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

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

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
Sat, Nov 22 - Tue, Dec 9
GFK
Grand Forks
PHL
Philadelphia
$447 Roundtrip, found 3 days ago
$447
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 22 from Grand Forks to Philadelphia, returning Tue, Dec 9, priced at $447 found 3 days ago
Delta
Wed, Dec 24 - Tue, Dec 30
GFK
Grand Forks
PHL
Philadelphia
$448 Roundtrip, found 19 hours ago
$448
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Dec 24 from Grand Forks to Philadelphia, returning Tue, Dec 30, priced at $448 found 19 hours ago
Delta
Wed, Dec 24 - Sat, Jan 3
GFK
Grand Forks
PHL
Philadelphia
$449 Roundtrip, found 19 hours ago
$449
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Dec 24 from Grand Forks to Philadelphia, returning Sat, Jan 3, priced at $449 found 19 hours ago
Delta
Thu, Dec 25 - Tue, Dec 30
GFK
Grand Forks
PHL
Philadelphia
$456 Roundtrip, found 19 hours ago
$456
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Dec 25 from Grand Forks to Philadelphia, returning Tue, Dec 30, priced at $456 found 19 hours ago
Delta
Thu, Dec 25 - Sat, Jan 3
GFK
Grand Forks
PHL
Philadelphia
$457 Roundtrip, found 19 hours ago
$457
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Dec 25 from Grand Forks to Philadelphia, returning Sat, Jan 3, priced at $457 found 19 hours ago
Delta
Thu, Jan 1 - Tue, Jan 13
GFK
Grand Forks
PHL
Philadelphia
$458 Roundtrip, found 3 days ago
$458
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 1 from Grand Forks to Philadelphia, returning Tue, Jan 13, priced at $458 found 3 days ago
Delta
Thu, Dec 25 - Thu, Jan 1
GFK
Grand Forks
PHL
Philadelphia
$466 Roundtrip, found 19 hours ago
$466
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Dec 25 from Grand Forks to Philadelphia, returning Thu, Jan 1, priced at $466 found 19 hours ago
Delta
Thu, Jan 1 - Thu, Jan 15
GFK
Grand Forks
PHL
Philadelphia
$468 Roundtrip, found 3 days ago
$468
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 1 from Grand Forks to Philadelphia, returning Thu, Jan 15, priced at $468 found 3 days ago
Delta
Mon, Dec 29 - Sat, Jan 3
GFK
Grand Forks
PHL
Philadelphia
$469 Roundtrip, found 19 hours ago
$469
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Dec 29 from Grand Forks to Philadelphia, returning Sat, Jan 3, priced at $469 found 19 hours ago
Delta
Wed, Nov 26 - Tue, Dec 9
GFK
Grand Forks
PHL
Philadelphia
$473 Roundtrip, found 3 days ago
$473
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Nov 26 from Grand Forks to Philadelphia, returning Tue, Dec 9, priced at $473 found 3 days ago

Alternative airports near Philadelphia

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

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $497
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $497

Frequently asked questions

How much does a flight from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $349 or cheap return flight from $447 from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between GFK and PHL. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline that'll fly you from GFK to PHL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL)?
There aren't any daily nonstop flights available from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from GFK to PHL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL) route, aim to fly before 3 PM. Later departures 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 Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL) last-minute?
Holding off until right before your break to book a ticket from GFK to PHL often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a GFK to PHL flight and hotel package?
You'll typically save money by securing a GFK to PHL 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. Once you've chosen your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Grand Forks Intl. Airport (GFK) to Philadelphia Intl. Airport (PHL)?
Usually, it's possible to cancel or reschedule your GFK to PHL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

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

Book with confidence

Grand Forks to Philadelphia Flights

The cheapest times to fly from Grand Forks to Philadelphia

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

 

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

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

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 Grand Forks to Philadelphia 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 Grand Forks to Philadelphia 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 Grand Forks to Philadelphia 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.

 

Grand Forks to Philadelphia Flights

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*Available to One Key members.