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PHX to GAI: distance & flight time
Phoenix (Phoenix Sky Harbor International Airport) → Gaithersburg (Montgomery County Airpark)
1,968 mi
3,167 km · 1,710 nm
4h 20m
estimated nonstop flight time
+3h
time difference · heading east
See live PHX→GAI fares Phone-only fares on this route — call free
Flight time details
1,968 miles nonstop takes roughly 4h 20m gate to gate, flying east. 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
- PHX — Phoenix Sky Harbor International Airport · Phoenix, 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 PHX
- SCF · Scottsdale Airport14 mi away
- MSC · Falcon Field16 mi away
- DVT · Phoenix Deer Valley Airport18 mi away
- GYR · Phoenix Goodyear Airport21 mi away
Near GAI
Frequently asked questions
How far is PHX from GAI?
The flight distance from Phoenix (PHX) to Gaithersburg (GAI) is 1,968 miles (3,167 km, 1,710 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHX to GAI?
A nonstop flight takes about 4h 20m 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 Phoenix and Gaithersburg?
Gaithersburg is 3 hours ahead of Phoenix.
What is the cheapest way to fly from PHX to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHX–GAI that never appear on search engines, with no booking fees.