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CAT to SAN: distance & flight time
Cascais (Cascais Airport) → San Diego (San Diego International Airport)
5,673 mi
9,130 km · 4,930 nm
11h 35m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CAT→SAN fares Phone-only fares on this route — call free
Flight time details
5,673 miles nonstop takes roughly 11h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- SAN — San Diego International Airport · San Diego, United States
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Near SAN
Frequently asked questions
How far is CAT from SAN?
The flight distance from Cascais (CAT) to San Diego (SAN) is 5,673 miles (9,130 km, 4,930 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to SAN?
A nonstop flight takes about 11h 35m 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 Cascais and San Diego?
San Diego is 8 hours behind Cascais.
What is the cheapest way to fly from CAT to SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–SAN that never appear on search engines, with no booking fees.