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IAD to SAN: distance & flight time
Washington (Washington Dulles International Airport) → San Diego (San Diego International Airport)
2,248 mi
3,618 km · 1,954 nm
4h 53m
estimated nonstop flight time
-3h
time difference · heading west
See live IAD→SAN fares Phone-only fares on this route — call free
Flight time details
2,248 miles nonstop takes roughly 4h 53m 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
- IAD — Washington Dulles International Airport · Washington, 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 IAD
Near SAN
Frequently asked questions
How far is IAD from SAN?
The flight distance from Washington (IAD) to San Diego (SAN) is 2,248 miles (3,618 km, 1,954 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SAN?
A nonstop flight takes about 4h 53m 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 Washington and San Diego?
San Diego is 3 hours behind Washington.
What is the cheapest way to fly from IAD to SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SAN that never appear on search engines, with no booking fees.