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ACH to SAN: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → San Diego (San Diego International Airport)
5,987 mi
9,635 km · 5,202 nm
12h 12m
estimated nonstop flight time
-9h
time difference · heading northwest
See live ACH→SAN fares Phone-only fares on this route — call free
Flight time details
5,987 miles nonstop takes roughly 12h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Near SAN
Frequently asked questions
How far is ACH from SAN?
The flight distance from Altenrhein (ACH) to San Diego (SAN) is 5,987 miles (9,635 km, 5,202 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to SAN?
A nonstop flight takes about 12h 12m 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 Altenrhein and San Diego?
San Diego is 9 hours behind Altenrhein.
What is the cheapest way to fly from ACH to SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–SAN that never appear on search engines, with no booking fees.