Cheap Flights from Wilmington to Philadelphia

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Flight deals from Wilmington to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Wilmington to Philadelphia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Wilmington to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Wilmington to Philadelphia flights are currently cheapest in May.

Direct flights from Wilmington to Philadelphia

Wilmington to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$539
Cheapest month to flyMay
Average flight time1 hr, 42 mins
Most popular airlineAmerican Airlines
Average flights per week121

Finding cheap flights from Wilmington to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Wilmington to Philadelphia is $539. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 42 minutes is the average flight time from Wilmington to Philadelphia.
American Airlines, Piedmont Airlines and Qatar Airways fly direct from Wilmington to Philadelphia.
As of February 2026, there are 171 flights per week flying from Wilmington to Philadelphia.
The cheapest month to fly from Wilmington to Philadelphia is usually May.
If you're flying from Wilmington Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from $539.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Wilmington Airport to Philadelphia on Wednesday, 20 May 2026.
Yes – the average flight time is 1 hour and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 0°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Delta offers the cheapest flight tickets to Philadelphia.

Travelling from Wilmington International Airport (ILM) to Philadelphia: what you need to know

  • Approximately 1 hour 40 minutes is how long you can expect to be in the air on a direct flight from Wilmington International Airport to Philadelphia.

  • Philadelphia's timezone is UTC-4, which is the same as Wilmington (the location of Wilmington International Airport).

  • Wilmington International Airport (ILM) to Philadelphia International Airport (PHL) is the most popular route, with 23 weekly departures to choose from. If you have things to do before heading off, the last flight from ILM to PHL is with American Airlines at 18:53. Go for the first departure with American Airlines at 05:48 if you want to fly out earlier.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your ILM to Philadelphia flight.

  • If you're heading away during a bank holiday or another peak period, give yourself more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • You can book a direct Wilmington International Airport to Philadelphia ticket. Begin your trip at ILM and land at Philadelphia International Airport (PHL).

  • Be on the lookout for promotions from American Airlines. This airline operates direct flights from Wilmington International Airport to Philadelphia.

  • Located around 6 kilometres from the centre of Wilmington, ILM can be reached in about 15 minutes by car (depending on traffic). Travelling on public transport takes roughly 2 hours 50 minutes.

  • Looking for a hotel close to ILM? If you're boarding an early flight from Wilmington International Airport to Philadelphia, these stays will put you moments from your departure lounge:

  • When it comes to the on-time performance of Wilmington International Airport, 79.81% of flights stick to their scheduled arrival time.

  • You'll find ILM at 1740 Airport Boulevard.

How to find the cheapest flights from Wilmington International Airport (ILM) to Philadelphia

  • $700 is currently the best price for a one-way Wilmington International Airport to Philadelphia flight. Return flight tickets start at $539. These fares can change based on availability.

  • To pick up cheap flights from ILM to Philadelphia, book your journey two months before your planned departure.

  • Schedule your trip for June. That's the best month for scoring an epic deal on Wilmington International Airport to Philadelphia tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Picking up a cheap flight from ILM to Philadelphia is easy with Price Alerts. Simply set up one of these automatic notifications and we'll notify you when a new discount appears.

  • Find a cheap flight from Wilmington International Airport to Philadelphia with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) is around 19 kilometres from central Philadelphia. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.

  • If you're travelling on public transport, expect a journey time of about 45 minutes.

  • Think about booking a hotel close to PHL if you're coming in on a late flight from Wilmington International Airport to Philadelphia. Choose one of these accommodation options and make your arrival easier:

  • Say yes to new adventures by picking up a Philadelphia International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Budget and experience the lesser-explored corners of Philadelphia and beyond.

  • Booking your ride from Philadelphia International Airport around three weeks in advance of your flight from ILM to Philadelphia can help you get the lowest rate.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • After your flight from Wilmington International Airport to Philadelphia has landed, you can reach the city centre in around 40 minutes by car. Central Philadelphia is roughly 56 kilometres from Trenton-Mercer Airport (TTN).

  • The journey will take roughly 1 hour 45 minutes on public transport.

  • After stepping off your ILM to Philadelphia flight, settle in at a hotel near TTN. These are some comfortable options that'll help you sink into relaxation mode:

  • Forget about public transport schedules or long cab lines. Grab a Trenton-Mercer Airport rental car and go in any direction that inspires you. Compare rates and availability from Budget, National and Enterprise.

  • Don't pay more than you need to. Securing your ride four weeks ahead of your arrival at TTN can get you a lower rate.

  • Trenton-Mercer Airport can be found at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Travel to Philadelphia during peak season if you like a busy atmosphere, but remember that prices may be higher. Alternatively, book flights from Wilmington International Airport to Philadelphia in the off-season when prices are cheaper and crowds are smaller.

  • Book a Wilmington International Airport to Philadelphia flight ticket with a departure in July if you want to explore the city during its warmest month. Expect temperatures to range from 18ºC to 32ºC.

  • If you want cooler conditions, look for a cheap ticket from ILM to Philadelphia in January when temperatures average between -7ºC and 9ºC.

More about Philadelphia

Explore more of United States

  • Philadelphia is always a good idea, but there are so many other parts of United States you'll want to see. Around 129 kilometres north-east of Philadelphia, a visit to New York will keep your itinerary packed. Start with popular sights like Statue of Liberty, Central Park and Empire State Building.

  • Boston is another must-experience destination in United States and is around 434 kilometres north-east of Philadelphia. No journey is complete without seeing Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.