$142 Cheap Flights from Wilmington (ILM) to Philadelphia (PHL)

View $142 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Wilmington to Philadelphia (ILM-PHL)

Prices were available within the past 7 days and start at $142 for one-way flights and $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, Sep 13 - Wed, Oct 1
ILM
Wilmington
PHL
Philadelphia
$264 Roundtrip, found 6 hours ago
$264
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Sep 13 from Wilmington to Philadelphia, returning Wed, Oct 1, priced at $264 found 6 hours ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
ILM
Wilmington
TTN
Trenton
$266 Roundtrip, found 11 hours ago
$266
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Wilmington to Trenton, returning Tue, Nov 11, priced at $266 found 11 hours ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
ILM
Wilmington
PHL
Philadelphia
$267 Roundtrip, found 11 hours ago
$267
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Wilmington to Philadelphia, returning Tue, Nov 11, priced at $267 found 11 hours ago
JetBlue Airways
Sat, Sep 13 - Sat, Oct 4
ILM
Wilmington
PHL
Philadelphia
$274 Roundtrip, found 6 hours ago
$274
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Sep 13 from Wilmington to Philadelphia, returning Sat, Oct 4, priced at $274 found 6 hours ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
ILM
Wilmington
PHL
Philadelphia
$277 Roundtrip, found 11 hours ago
$277
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Wilmington to Philadelphia, returning Tue, Nov 11, priced at $277 found 11 hours ago
JetBlue Airways
Thu, Oct 2 - Mon, Oct 6
ILM
Wilmington
PHL
Philadelphia
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Oct 2 from Wilmington to Philadelphia, returning Mon, Oct 6, priced at $283 found 4 days ago
JetBlue Airways
Fri, Sep 12 - Wed, Oct 1
ILM
Wilmington
PHL
Philadelphia
$284 Roundtrip, found 6 hours ago
$284
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Fri, Sep 12 from Wilmington to Philadelphia, returning Wed, Oct 1, priced at $284 found 6 hours ago
American Airlines
Thu, Oct 23 - Sun, Oct 26
ILM
Wilmington
PHL
Philadelphia
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Wilmington to Philadelphia, returning Sun, Oct 26, priced at $285 found 1 day ago
Delta
Sat, Sep 13 - Tue, Sep 23
ILM
Wilmington
PHL
Philadelphia
$287 Roundtrip, found 6 hours ago
$287
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Sep 13 from Wilmington to Philadelphia, returning Tue, Sep 23, priced at $287 found 6 hours ago
United
Fri, Aug 15 - Sat, Aug 16
ILM
Wilmington
PHL
Philadelphia
$367 Roundtrip, found 6 days ago
$367
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 15 from Wilmington to Philadelphia, returning Sat, Aug 16, priced at $367 found 6 days ago

Find the cheapest month to fly from Wilmington (ILM) to Philadelphia (PHL)

November is typically the cheapest month to fly

From $179 - $583 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

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

Select flight to New Castle ILG. Cheapest option available. Average driving time to city center is 44 minutes. Flights from $368
ILG
New Castle
Cheapest
Average driving time to city center44 min
Flights from $368
Flights from Wilmington (ILM) to Philadelphia (PHL)
Origin airport
Wilmington Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$261
Distance
414 mi
Average flight time
1 hour 34 mins

Wilmington to Philadelphia Flights

The cheapest times to fly from Wilmington 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 Wilmington to Philadelphia are during the month of September. You can find some of the cheapest flights from Wilmington to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Philadelphia

Sunday is one of the best days to book for cheap flights from Wilmington 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 Wilmington 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 Wilmington to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $142 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 Wilmington 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 Wilmington 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.

 

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL) cost?
Cheap round-trip flights from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL) start at $267. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving ILM on August 2 2025 and touching down at PHL. The price was last updated on July 9 2025 and has not changed since.
What is the cheapest month to fly from ILM to PHL?
The cheapest flights from ILM to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
When flying out of Wilmington Intl. Airport (ILM), you can jump on a nonstop flight to Philadelphia Intl. Airport (PHL) with American Airlines.
What is the cheapest airline that flies from ILM to PHL?
With prices starting from $290 for a one-way flight from ILM to PHL, American Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ILM on July 31 2025. Prices were last updated on July 9 2025 and have not changed since.
How many flights per day from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
When jetting out of Wilmington Intl. Airport (ILM), you'll have your pick from an average of 2 daily nonstop flights to Philadelphia Intl. Airport (PHL).
What are the most popular departure times for flights from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
More people fly between ILM and PHL at 8 AM than at any other point in the day. Rather go when it's quieter? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from ILM to PHL?
Jet off on a Friday if you're after the best selection of flights from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
The first flight of the day out of Wilmington Intl. Airport (ILM) is at around 8:00AM UTC-5. Catch this flight and you'll arrive at Philadelphia Intl. Airport (PHL) at approximately 9:35AM UTC-5. The overall travel time is 1h 35m.
How long does it take to fly from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
The average flight time from ILM to PHL is 1 hour and 34 minutes, covering a total distance of 420 mi.
What airline has the least delays from ILM to PHL?
American Airlines has the best track record for on-time direct flights from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL), with an on-time score of 80%. Use the Expedia App to view your flight status before you leave and get real-time updates about any changes.
What is the best time to fly from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
Select a flight from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Philadelphia from Wilmington Intl. Airport (ILM)?
Philadelphia Intl. Airport (PHL) is the only airport in Philadelphia with direct flights from Wilmington Intl. Airport (ILM). Check out your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until just before your departure to book a ticket from ILM to PHL generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book an ILM to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking an ILM to PHL flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Philadelphia Intl. Airport (PHL)?
It's generally possible to cancel or reschedule your ILM to PHL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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