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SAN to OPO: distance & flight time
San Diego (San Diego International Airport) → Porto (Francisco de Sá Carneiro Airport)
5,599 mi
9,011 km · 4,866 nm
11h 27m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SAN→OPO fares Phone-only fares on this route — call free
Flight time details
5,599 miles nonstop takes roughly 11h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- SAN — San Diego International Airport · San Diego, United States
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SAN
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Frequently asked questions
How far is SAN from OPO?
The flight distance from San Diego (SAN) to Porto (OPO) is 5,599 miles (9,011 km, 4,866 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAN to OPO?
A nonstop flight takes about 11h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Diego and Porto?
Porto is 8 hours ahead of San Diego.
What is the cheapest way to fly from SAN to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAN–OPO that never appear on search engines, with no booking fees.