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

View $101 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Portimao (PRM) to Cascais (CAT)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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.

Frequently asked questions

How much does a flight from Portimao (PRM) to Cascais Airport (CAT) cost?
Snag a cheap one-way flight from $101 or cheap return flight from Portimao (PRM) to Cascais Airport (CAT) 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 Portimao (PRM) to Cascais Airport (CAT)?
is the least expensive month to fly from PRM to CAT. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Portimao (PRM) to Cascais Airport (CAT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from PRM to CAT. Then, 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.

Travel information

Travel information

0
Origin airport
Portimao
Destination airport
Cascais
Distance
116 mi

Book with confidence

Book with confidence

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.

 

Portimao to Cascais Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.