$585 Find Cheap Flights from San Diego to Porto

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Find cheap flights from San Diego to Porto starting at $585.

Book one-way or return flights from San Diego to Porto from as little as $585. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from San Diego to Porto? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from San Diego to Porto. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from San Diego to Porto

View airlines operating flights from San Diego to Porto. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet

From $350

Alaska Airlines

From $424

United Airlines

From $554

American Airlines

From $557

Jetblue Airways

From $558

Swiss Airlines

From $604

Austrian Airlines

From $610

Air Canada

From $632

Iberia

From $698

Delta Air Lines

From $701

ANA airlines

Find more flights and airlines

Find cheap flights from San Diego to Porto by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from San Diego to Porto.

Cheapest
SAN
12:35
26h 55m
2 transfer
OPO
23:30
San Diego International Airport - Francisco Sa Carneiro International Airport
Mon, May 13WestJet
$350
SAN
12:35
26h 55m
2 transfer
OPO
23:30
San Diego International Airport - Francisco Sa Carneiro International Airport
Mon, May 13WestJet
$350
Find More Flights

Frequently Asked Questions

When are flight tickets from San Diego (SAN) to Porto (OPO) the cheapest?
Airlines adjust prices for flights from San Diego to Porto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from San Diego (SAN) to Porto (OPO) cost?
According to Trip.com's data, the lowest price is around $1,578.
What is the transportation method from the main airport to downtown in Porto?
- The distance from Francisco Sa Carneiro International Airport to downtown is about 9km. It takes about 20 minutes by taxi.

How to find a cheap flight from San Diego to Porto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Diego to Porto. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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