Cheap Flights from San Diego (SAN) to Portimao (PRM)

Popular airlines from San Diego Intl. Airport (SAN) to Portimao (PRM)

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Portimao (PRM) cost?
Lock in a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Portimao (PRM) 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 San Diego Intl. Airport (SAN) to Portimao (PRM)?
The cheapest month to fly from SAN to PRM is , when demand is low. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Portimao (PRM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SAN to PRM flight.
How many flights per day from San Diego Intl. Airport (SAN) to Portimao (PRM)?
Direct flights from San Diego Intl. Airport (SAN) to Portimao (PRM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to PRM?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the carrier 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 San Diego Intl. Airport (SAN) to Portimao (PRM)?
To avoid potential delays on the San Diego Intl. Airport (SAN) to Portimao (PRM) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be 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 San Diego Intl. Airport (SAN) to Portimao (PRM) last-minute?
Last-minute fares from SAN to PRM are typically more expensive. To secure the best prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a SAN to PRM flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAN to PRM flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Portimao (PRM)?
In most instances, you're able to reschedule or cancel your SAN to PRM flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
San Diego Intl.
Destination airport
Portimao
Distance
5771 mi

Book with confidence

San Diego to Portimao Flights

The cheapest times to fly from San Diego to Portimao

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

 

The best time to book a flight from San Diego to Portimao

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

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 San Diego to Portimao 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 San Diego to Portimao 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 San Diego to Portimao 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.

 

San Diego to Portimao Flights

Explore a world of travel with Expedia

*Available to One Key members.