$654 Cheap Flights from Porto (OPO) to Fresno (FAT)

View $654 flight on Mon, May 11, 2026Opens in a new window

Popular airlines from Porto Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)

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Cheap Flights from Porto to Fresno (OPO-FAT)

Prices were available within the past 7 days and start at $654 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Porto (OPO) to Fresno (FAT)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Fresno Yosemite Intl.
Distance
5508 mi

Porto to Fresno Flights

The cheapest times to fly from Porto to Fresno

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

 

The best time to book a flight from Porto to Fresno

Sunday is one of the best days to book for cheap flights from Porto to Fresno: 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 Porto to Fresno

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 Porto to Fresno in 2026. You can also book with separate airlines for your outbound and return journeys, from $654 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 Porto to Fresno 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 Porto to Fresno 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT) cost?
Grab a cheap one-way flight from $654 or cheap return flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)?
The cheapest month to fly from OPO to FAT is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)?
To find the cheapest airline that'll fly you from OPO to FAT, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)?
There are no daily nonstop flights departing from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from OPO to FAT?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)?
To avoid potential delays on the Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT) last-minute?
Waiting until right before your break to book a flight from OPO to FAT generally means paying more. While you might find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book an OPO to FAT flight and hotel package?
Compared with arranging flights and hotels separately, booking an OPO to FAT flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Fresno Yosemite Intl. Airport (FAT)?
In most cases, you're able to reschedule or cancel your OPO to FAT flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, head to our Customer Service portal.
*Available to One Key members.