Cheap Flights from Portsmouth (PSM) to Lappeenranta (LPP)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Lappeenranta (LPP)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP) cost?
Secure a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP) 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 Lappeenranta (LPP)?
Flying in is a good way to save, as it's the cheapest month for flights between PSM and LPP. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP)?
To find the cheapest airline flying from PSM to LPP, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP)?
There are no daily direct flights from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PSM to LPP?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline 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 Lappeenranta (LPP)?
To reach Lappeenranta (LPP) without delays, select 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 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 Lappeenranta (LPP) last-minute?
Waiting until just before your trip to book a flight from PSM to LPP often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Lappeenranta (LPP)?
If you reserved your PSM to LPP 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 ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Lappeenranta
Distance
3948 mi

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Portsmouth to Lappeenranta Flights

The cheapest times to fly from Portsmouth to Lappeenranta

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

 

The best time to book a flight from Portsmouth to Lappeenranta

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

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 Lappeenranta 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 Lappeenranta 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 Lappeenranta 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 Lappeenranta Flights

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