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ASH to SAN: distance & flight time
Nashua (Boire Field) → San Diego (San Diego International Airport)
2,556 mi
4,114 km · 2,221 nm
5h 29m
estimated nonstop flight time
-3h
time difference · heading west
See live ASH→SAN fares Phone-only fares on this route — call free
Flight time details
2,556 miles nonstop takes roughly 5h 29m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ASH — Boire Field · Nashua, United States
- 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Near SAN
Frequently asked questions
How far is ASH from SAN?
The flight distance from Nashua (ASH) to San Diego (SAN) is 2,556 miles (4,114 km, 2,221 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to SAN?
A nonstop flight takes about 5h 29m 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 Nashua and San Diego?
San Diego is 3 hours behind Nashua.
What is the cheapest way to fly from ASH to SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–SAN that never appear on search engines, with no booking fees.