Cheap Flights from Erie (ERI) to Portsmouth (PSM)

Popular airlines from Erie, PA (ERI-Erie Intl.) to Portsmouth, NH (PSM-Portsmouth Intl.)

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Cheap Flights from Erie to Portsmouth (ERI-PSM)

Prices were available within the past 7 days and start at for one-way flights and $893 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Wed, Dec 24 - Thu, Jan 1
ERI
Erie
PSM
Portsmouth
$893 Roundtrip, found 2 days ago
$893
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Wed, Dec 24 from Erie to Portsmouth, returning Thu, Jan 1, priced at $893 found 2 days ago
Breeze Airways
Sat, Dec 20 - Thu, Jan 1
ERI
Erie
PSM
Portsmouth
$975 Roundtrip, found 2 days ago
$975
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Sat, Dec 20 from Erie to Portsmouth, returning Thu, Jan 1, priced at $975 found 2 days ago
Breeze Airways
Sat, Dec 20 - Thu, Dec 25
ERI
Erie
PSM
Portsmouth
$1,104 Roundtrip, found 2 days ago
$1,104
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Sat, Dec 20 from Erie to Portsmouth, returning Thu, Dec 25, priced at $1,104 found 2 days ago

Frequently asked questions

How much does a flight from Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM) cost?
Snag a cheap one-way flight or cheap return flight from $893 from Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM) 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 Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM)?
December is the cheapest month to fly from ERI to PSM. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ERI to PSM flight.
How many flights per day from Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM)?
You'll have to take a flight with a layover if you're traveling from Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ERI to PSM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM)?
To arrive at Portsmouth Intl. Airport (PSM) on schedule, choose a flight that leaves from Erie Intl. Airport (ERI) 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 Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM) last-minute?
Last-minute fares from ERI to PSM are generally more expensive. To lock in the best prices, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book an ERI to PSM flight and hotel package?
You can save money by securing an ERI to PSM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected 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 Erie Intl. Airport (ERI) to Portsmouth Intl. Airport (PSM)?
In most instances, you're able to cancel or reschedule your ERI to PSM flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
Erie Intl.
Destination airport
Portsmouth Intl.
Roundtrip price
$893
Distance
481 mi

Book with confidence

Erie to Portsmouth Flights

The cheapest times to fly from Erie to Portsmouth

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

 

The best time to book a flight from Erie to Portsmouth

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

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 Erie to Portsmouth in 2026. 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 Erie to Portsmouth 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 Erie to Portsmouth 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.

 

Erie to Portsmouth Flights

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*Available to One Key members.