June is by far the best month, wherein you can get cheapest flights for Porto to San Diego. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Porto
06:20
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
15:25
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
08:20
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
23:59
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
12:40
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
20:34
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
12:40
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
23:43
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
12:40
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
23:43
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
08:55
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
23:40
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
12:35
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
19:52
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
08:20
Porto
Francisco Sa Carneiro Airport
Wed , 08 Jul 2026

San Diego
18:25
San Diego
San Diego International Airport
Wed, 08 Jul 2026

Porto
11:05
Porto
Francisco Sa Carneiro Airport
Tue , 30 Jun 2026

San Diego
22:49
San Diego
San Diego International Airport
Wed, 01 Jul 2026

Porto
09:00
Porto
Francisco Sa Carneiro Airport
Tue , 30 Jun 2026

San Diego
20:46
San Diego
San Diego International Airport
Tue, 30 Jun 2026

Porto
05:00
Porto
Francisco Sa Carneiro Airport
Tue , 30 Jun 2026

San Diego
11:50
San Diego
San Diego International Airport
Tue, 30 Jun 2026










Flying from Porto to San Diego has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Porto to San Diego is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Francisco Sa Carneiro Airport (OPO) and San Diego International Airport (SAN). You can expect a flight distance of approximately 9011 km, and most direct services cover it in around 11:18.
Let’s take a closer look at everything you need to know before booking your flight from Porto to San Diego.
| Flight Details | Information |
|---|---|
| Route Distance | 9011 km |
| Average Flight Time | 11:18 hrs |
| Departure Airport | Francisco Sa Carneiro Airport (OPO) |
| Arrival Airport | San Diego International Airport (SAN) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Lufthansa, American Airlines, Delta Airlines, KLM Royal Dutch Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.