Cheap Flights from Portsmouth (PSM) to New York (LGA)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to LaGuardia Airport (LGA)

Flights from Portsmouth (PSM) to New York (LGA)
Origin airport
Portsmouth Intl.
Destination airport
LaGuardia
Distance
223 mi

Portsmouth to New York Flights

The cheapest times to fly from Portsmouth to New York

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

 

The best time to book a flight from Portsmouth to New York

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

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 New York 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 New York 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 New York 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 LaGuardia Airport (LGA) cost?
Get a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA) 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 Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
The cheapest month to fly from PSM to LGA is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
Although Portsmouth, NH (PSM-Portsmouth Intl.) has no direct flights to LaGuardia Airport (LGA), other airports have nonstop options. Leaving from Logan Intl. Airport (BOS) will get you to New York without any layovers.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PSM to LGA flight.
How many flights per day from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
There are no daily direct flights departing from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA). But you can book 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 LGA?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
To land at LaGuardia Airport (LGA) on schedule, book a flight that leaves from Portsmouth Intl. Airport (PSM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 LaGuardia Airport (LGA) last-minute?
Waiting until just before your departure to book your flight from PSM to LGA generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a PSM to LGA flight and hotel package?
Booking a PSM to LGA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to LaGuardia Airport (LGA)?
Typically, it's possible to reschedule or cancel your PSM to LGA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.