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GAI to SBP: distance & flight time
Gaithersburg (Montgomery County Airpark) → San Luis Obispo (San Luis County Regional Airport)
2,385 mi
3,838 km · 2,073 nm
5h 9m
estimated nonstop flight time
-3h
time difference · heading west
See live GAI→SBP fares Phone-only fares on this route — call free
Flight time details
2,385 miles nonstop takes roughly 5h 9m 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
- GAI — Montgomery County Airpark · Gaithersburg, United States
- SBP — San Luis County Regional Airport · San Luis Obispo, 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 GAI
Near SBP
- SMX · Santa Maria Pub/Capt G Allan Hancock Field26 mi away
- PRB · Paso Robles Municipal Airport30 mi away
- VBG · Vandenberg Air Force Base35 mi away
- LPC · Lompoc Airport41 mi away
Frequently asked questions
How far is GAI from SBP?
The flight distance from Gaithersburg (GAI) to San Luis Obispo (SBP) is 2,385 miles (3,838 km, 2,073 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to SBP?
A nonstop flight takes about 5h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GAI to SBP?
Nonstop service on GAI–SBP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 9m nonstop estimate.
What is the time difference between Gaithersburg and San Luis Obispo?
San Luis Obispo is 3 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to SBP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–SBP that never appear on search engines, with no booking fees.
Why are some GAI to SBP fares phone-only?
Consolidator contracts let us sell certain GAI–SBP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.