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IAH to SAN: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → San Diego (San Diego International Airport)
1,301 mi
2,093 km · 1,130 nm
3h 18m
estimated nonstop flight time
-2h
time difference · heading west
See live IAH→SAN fares Phone-only fares on this route — call free
Flight time details
1,301 miles nonstop takes roughly 3h 18m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near SAN
Frequently asked questions
How far is IAH from SAN?
The flight distance from Houston (IAH) to San Diego (SAN) is 1,301 miles (2,093 km, 1,130 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to SAN?
A nonstop flight takes about 3h 18m 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 Houston and San Diego?
San Diego is 2 hours behind Houston.
What is the cheapest way to fly from IAH to SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–SAN that never appear on search engines, with no booking fees.