Cheap Flights from Portsmouth (PSM) to Shannon (SNN)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Shannon Airport (SNN)

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Flight from Portsmouth to Shannon route information
Origin airport
Portsmouth Intl.
Destination airport
Shannon
Distance
4560 km

Compare flights from Portsmouth to Shannon easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portsmouth to Shannon. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Shannon in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portsmouth Intl. to Shannon.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portsmouth Intl. (PSM) to Shannon (SNN)

The easiest way to view the best deals on flights from Portsmouth to Shannon today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portsmouth Intl. to Shannon start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portsmouth and Shannon
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portsmouth to Shannon flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portsmouth Intl. to Shannon for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Portsmouth Intl. Airport (PSM) to Shannon Airport?
If you're travelling from Portsmouth Intl. Airport (PSM) to SNN, round-trip flights start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PSM to SNN?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Portsmouth Intl. Airport at Pease to Shannon Airport (SNN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PSM to SNN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PSM to SNN?
Portsmouth to Shannon is around 4,600 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your headphones to your hoodie. Take a couple of snacks to nibble on throughout your journey too.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to Shannon Airport?
Right now, no airlines offer flights directly from PSM to Shannon Airport. You'll have to book a flight with at least one stop. To get the best price and connections, lock in your fare ahead of time.
Are Portsmouth Intl. Airport (PSM) to Shannon Airport (SNN) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from Portsmouth Intl. Airport (PSM) to SNN, but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always seeing the latest offers.

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