Cheap Flights from Portsmouth (PSM) to Pasco (PSC)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Tri-Cities Airport (PSC)

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC) cost?
Lock in a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC)?
is the least expensive month to fly from PSM to PSC. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PSM to PSC. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC)?
There aren't any daily direct flights departing from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from PSM to PSC?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the carrier and season.*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 Tri-Cities Airport (PSC)?
To avoid potential delays on the Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Tri-Cities Airport (PSC) last-minute?
Last-minute fares from PSM to PSC are usually more expensive. To lock in the best rates, start searching for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a PSM to PSC flight and hotel package?
Compared with arranging hotels and flights separately, booking a PSM to PSC flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Tri-Cities Airport (PSC)?
Typically, it's possible to reschedule or cancel your PSM to PSC flight. However, for bookings made more than 24 hours ago, additional charges 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.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Tri-Cities
Distance
2346 mi

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Portsmouth to Pasco Flights

The cheapest times to fly from Portsmouth to Pasco

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

 

The best time to book a flight from Portsmouth to Pasco

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

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 Pasco 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 Pasco 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 Pasco 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.

 

Portsmouth to Pasco Flights

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*Available to One Key members.