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GAI to PSC: distance & flight time
Gaithersburg (Montgomery County Airpark) → Pasco (Tri Cities Airport)
2,159 mi
3,474 km · 1,876 nm
4h 42m
estimated nonstop flight time
-3h
time difference · heading northwest
See live GAI→PSC fares Phone-only fares on this route — call free
Flight time details
2,159 miles nonstop takes roughly 4h 42m gate to gate, flying northwest. 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
- PSC — Tri Cities Airport · Pasco, 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
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Near GAI
Near PSC
Frequently asked questions
How far is GAI from PSC?
The flight distance from Gaithersburg (GAI) to Pasco (PSC) is 2,159 miles (3,474 km, 1,876 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to PSC?
A nonstop flight takes about 4h 42m 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 Pasco?
Pasco is 3 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to PSC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–PSC that never appear on search engines, with no booking fees.