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GAI to SEP: distance & flight time
Gaithersburg (Montgomery County Airpark) → Stephenville (Stephenville Clark Regional Airport)
1,269 mi
2,043 km · 1,103 nm
3h 14m
estimated nonstop flight time
-1h
time difference · heading west
See live GAI→SEP fares Phone-only fares on this route — call free
Flight time details
1,269 miles nonstop takes roughly 3h 14m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is GAI from SEP?
The flight distance from Gaithersburg (GAI) to Stephenville (SEP) is 1,269 miles (2,043 km, 1,103 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to SEP?
A nonstop flight takes about 3h 14m 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 Gaithersburg and Stephenville?
Stephenville is 1 hour behind Gaithersburg.
What is the cheapest way to fly from GAI to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–SEP that never appear on search engines, with no booking fees.