S$807 Cheap Flights from Porto to San Diego

View S$807 flight on Wed, 13 Aug, 2025Opens in a new window

Popular airlines from Porto Airport (OPO) to San Diego Intl. Airport (SAN)

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Cheap Flights from Porto to San Diego (OPO-SAN)

Prices were available within the past 7 days and start at S$807 for one-way flights and S$1,646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,646 Return, found 1 day ago
S$1,646
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,646 found 1 day ago
United
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,653 Return, found 1 day ago
S$1,653
Return
found 1 day ago
Select United flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,653 found 1 day ago
United
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,659 Return, found 1 day ago
S$1,659
Return
found 1 day ago
Select United flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,659 found 1 day ago
United
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,667 Return, found 1 day ago
S$1,667
Return
found 1 day ago
Select United flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,667 found 1 day ago
Delta
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,668 Return, found 1 day ago
S$1,668
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,668 found 1 day ago
Delta
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,674 Return, found 1 day ago
S$1,674
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,674 found 1 day ago
Delta
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,682 Return, found 1 day ago
S$1,682
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,682 found 1 day ago
Air France
Wed, 6 Aug - Wed, 13 Aug
OPO
Porto
SAN
San Diego
S$1,682 Return, found 4 days ago
S$1,682
Return
found 4 days ago
Select Air France flight, departing Wed, 6 Aug from Porto to San Diego, returning Wed, 13 Aug, priced at S$1,682 found 4 days ago
KLM
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,704 Return, found 1 day ago
S$1,704
Return
found 1 day ago
Select KLM flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,704 found 1 day ago
Lufthansa
Fri, 8 Aug - Fri, 15 Aug
OPO
Porto
SAN
San Diego
S$1,959 Return, found 1 day ago
S$1,959
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 8 Aug from Porto to San Diego, returning Fri, 15 Aug, priced at S$1,959 found 1 day ago

Find the cheapest month to fly from Porto (OPO) to San Diego (SAN)

February is typically the cheapest month to fly

From S$909 - S$1,154 per traveller.

Graph displaying average flight prices per month

Porto to San Diego route information
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
San Diego Intl.
Return price
S$1,646
Distance
8960 km

Perfect flights from Porto to San Diego

Your Journey from Porto to San Diego

Start your unforgettable journey with Expedia. Our broad selection of flights from Porto to San Diego caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including SATA International-Azores Airlines S.A., TAP Portugal, United, Air Canada, Lufthansa, Delta, Air France, KLM. Our selection of flights from Dr. Francisco de Sa Carneiro to San Diego Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Porto to San Diego Flights

Experience the joy of finding cheap flights from Dr. Francisco de Sa Carneiro to San Diego Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$807 and roundtrip prices from S$1,646*.
 

Pre-Flight Essentials

Ensure a smooth journey from Porto to San Diego with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Diego

Picture yourself stepping off the plane in San Diego and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Porto to San Diego Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Porto to San Diego.
 

Beyond the Flight – Exploring San Diego

With Expedia, your adventure extends beyond the flight. Explore San Diego at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Porto to San Diego with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Porto to San Diego with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to San Diego Intl. Airport (SAN)?
Start packing your bags, because round-trip journeys between Dr. Francisco de Sa Carneiro Airport (OPO) and San Diego Airport start from S$1,646. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Porto Airport to San Diego Intl. Airport (SAN)?
Most flights can be cancelled online, but every airline has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Porto Airport to San Diego Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Porto Airport to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Porto Airport to San Diego Intl. Airport (SAN)?
You'll have 9,000 kilometres to cover on the long-haul Maia to San Diego route. Wear layers of comfortable clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from Dr. Francisco de Sa Carneiro Airport (OPO) to San Diego Airport?
You won't find any airlines flying directly between OPO and San Diego Intl. Airport (SAN), so be prepared to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are OPO to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute deals between Porto Airport and San Diego Intl. Airport (SAN) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers publish their prices up to a year prior to the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to lock in your seat when the price dips.

Explore a world of travel with Expedia

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