Porto (OPO) → San Diego (SAN)
About Porto to San Diego Flights
Discover the best flights from Porto to San Diego, covering 9,011 km in approximately 11h 46m. Porto (OPO) to San Diego (SAN) is one of the major long-haul routes connecting Portugal and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Porto to San Diego.
12-Month Price History
Flight prices from Porto to San Diego vary significantly throughout the year. February typically offers the best deals with average prices around $1646, while July sees the highest prices, averaging $2763. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
174 days
For best prices
Booking Tips
For the best prices on Porto to San Diego flights, we recommend booking 78 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
TAP Air Portugal TP | $2740 | $9490 | $15380 |
American Airlines AA | $2920 | $10740 | $15030 |
Portugália Airlines NI | $2950 | $9420 | $17650 |
United Airlines UA | $3260 | $9120 | $14600 |
British Airways BA | $3430 | $11290 | $20280 |
Delta Air Lines DL | $3550 | $12090 | $15360 |
Air France AF | $3650 | $11040 | $19550 |
TAP Air Portugal
TP
Economy
$2740
Business
$9490
First
$15380
American Airlines
AA
Economy
$2920
Business
$10740
First
$15030
Portugália Airlines
NI
Economy
$2950
Business
$9420
First
$17650
United Airlines
UA
Economy
$3260
Business
$9120
First
$14600
British Airways
BA
Economy
$3430
Business
$11290
First
$20280
Delta Air Lines
DL
Economy
$3550
Business
$12090
First
$15360
Air France
AF
Economy
$3650
Business
$11040
First
$19550
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Porto → Los Angeles
Francisco Sá Carneiro (OPO) to Los Angeles International (LAX)
Distance: 8,999 km
Average price: $1885
Porto → Tijuana
Francisco Sá Carneiro (OPO) to Tijuana International (TIJ)
Distance: 9,011 km
Average price: $1887
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Frequently Asked Questions
How long is the flight from Porto to San Diego?
The flight time from Porto (OPO) to San Diego (SAN) is approximately 11 hours and 46 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Porto and San Diego?
The aerial distance between Porto and San Diego is 9,011 kilometers (5,599 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Porto to San Diego?
Several airlines operate flights between Porto and San Diego, including TAP Air Portugal, Portugália Airlines, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Porto to San Diego?
Based on historical data, February typically offers the lowest airfares for flights from Porto to San Diego. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to San Diego?
For the best prices on Porto to San Diego flights, we recommend booking 176 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Porto to San Diego?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Portugal traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Porto and San Diego?
Porto operates on Europe/Lisbon time zone, while San Diego is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.