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SAN to GAI: distance & flight time
San Diego (San Diego International Airport) → Gaithersburg (Montgomery County Airpark)
2,263 mi
3,643 km · 1,967 nm
4h 54m
estimated nonstop flight time
+3h
time difference · heading northeast
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Flight time details
2,263 miles nonstop takes roughly 4h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SAN — San Diego International Airport · San Diego, United States
- GAI — Montgomery County Airpark · Gaithersburg, 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 SAN
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Frequently asked questions
How far is SAN from GAI?
The flight distance from San Diego (SAN) to Gaithersburg (GAI) is 2,263 miles (3,643 km, 1,967 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAN to GAI?
A nonstop flight takes about 4h 54m 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 San Diego and Gaithersburg?
Gaithersburg is 3 hours ahead of San Diego.
What is the cheapest way to fly from SAN to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAN–GAI that never appear on search engines, with no booking fees.