Cheap Flights from Portsmouth (PSM) to Las Vegas (LAS)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Harry Reid Intl. Airport (LAS)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS) cost?
Snag a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS) 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 Harry Reid Intl. Airport (LAS)?
Flying in is a good way to save, as it's the cheapest month for flights between PSM and LAS. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS)?
There are no direct routes from Portsmouth, NH (PSM-Portsmouth Intl.) to Harry Reid Intl. Airport (LAS). However, you'll find other airports that offer nonstop flights. Begin your journey at Logan Intl. Airport (BOS) and travel straight to Las Vegas without a layover.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline that'll fly you from PSM to LAS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS)?
There aren't any daily direct flights from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two 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 LAS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the time of year and airline.*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 Harry Reid Intl. Airport (LAS)?
To arrive at Harry Reid Intl. Airport (LAS) on schedule, book a flight that leaves Portsmouth Intl. Airport (PSM) before 3 PM. The chance 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 Harry Reid Intl. Airport (LAS) last-minute?
Waiting until right before your break to book your flight from PSM to LAS often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a PSM to LAS flight and hotel package?
Securing a PSM to LAS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Harry Reid Intl. Airport (LAS)?
Generally, it's possible to cancel or reschedule your PSM to LAS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Harry Reid Intl.
Distance
2380 mi

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Portsmouth to Las Vegas Flights

The cheapest times to fly from Portsmouth to Las Vegas

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

 

The best time to book a flight from Portsmouth to Las Vegas

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

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 Las Vegas 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 Las Vegas 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 Las Vegas 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 Las Vegas Flights

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