$101 Cheap Flights from Portimao (PRM) to Cascais (CAT)

View $101 flight on Mon, Jul 21, 2025Opens in a new window

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Cheap Flights from Portimao to Cascais (PRM-CAT)

Prices were available within the past 7 days and start at $101 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Portimao (PRM) to Cascais (CAT)
Origin airport
Portimao
Destination airport
Cascais
Distance
116 mi

Portimao to Cascais Flights

The cheapest times to fly from Portimao to Cascais

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

 

The best time to book a flight from Portimao to Cascais

Sunday is one of the best days to book for cheap flights from Portimao to Cascais: 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 Portimao to Cascais

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 Portimao to Cascais in 2025. You can also book with separate airlines for your outbound and return journeys, from $101 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 Portimao to Cascais 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 Portimao to Cascais 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 Portimao (PRM) to Cascais Airport (CAT) cost?
Cheap return flights from Portimao (PRM) to Cascais Airport (CAT) start from $163. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a FlexFlight flight leaving PRM on July 15 2025 and touching down at CAT. The price was last updated on June 30 2025 and has not changed since.
What is the cheapest month to fly from PRM to CAT?
The cheapest flights from PRM to CAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PRM to CAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PRM to CAT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portimao (PRM) to Cascais Airport (CAT)?
You'll have to take a flight with a layover if you're traveling from Portimao (PRM) to Cascais Airport (CAT). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PRM to CAT?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portimao (PRM) to Cascais Airport (CAT)?
To avoid potential delays on the Portimao (PRM) to Cascais Airport (CAT) route, travel before 3 PM. Departures after this hour 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 Portimao (PRM) to Cascais Airport (CAT) last-minute?
Last-minute bookings from PRM to CAT are usually more expensive. To lock in the lowest rates, start searching for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a PRM to CAT flight and hotel package?
Compared with arranging flights and hotels separately, booking a PRM to CAT flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Portimao (PRM) to Cascais Airport (CAT)?
Typically, you're able to reschedule or cancel your PRM to CAT flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.