Cheap Flights from Portsmouth (PSM) to Wilmington (ILG)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Wilmington, DE (ILG-New Castle)

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Flights from Portsmouth (PSM) to Wilmington (ILG)
Origin airport
Portsmouth Intl.
Destination airport
New Castle
Distance
341 mi

Portsmouth to Wilmington Flights

The cheapest times to fly from Portsmouth to Wilmington

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

 

The best time to book a flight from Portsmouth to Wilmington

Sunday is one of the best days to book for cheap flights from Portsmouth to Wilmington: 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 Portsmouth to Wilmington

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 Portsmouth to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Portsmouth to Wilmington 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 Portsmouth to Wilmington 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 Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle) cost?
Lock in a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle) 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 Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle)?
is the least expensive month to fly from PSM to ILG. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from PSM to ILG. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle)?
There are no daily nonstop flights available from Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from PSM to ILG?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle)?
To land at Wilmington, DE (ILG-New Castle) on time, opt for a flight that leaves from Portsmouth Intl. Airport (PSM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle) last-minute?
Booking your plane ticket from PSM to ILG right before your trip is generally more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Wilmington, DE (ILG-New Castle)?
If you reserved your PSM to ILG flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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