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GAI to MDW: distance & flight time
Gaithersburg (Montgomery County Airpark) → Chicago (Chicago Midway International Airport)
585 mi
941 km · 508 nm
1h 44m
estimated nonstop flight time
-1h
time difference · heading west
See live GAI→MDW fares Phone-only fares on this route — call free
Flight time details
585 miles nonstop takes roughly 1h 44m 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
- MDW — Chicago Midway International Airport · Chicago, 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 MDW
- ORD · Chicago O'Hare International Airport15 mi away
- CGX · Chicago Meigs Airport9 mi away
- GYY · Gary Chicago International Airport21 mi away
- LOT · Lewis University Airport22 mi away
Frequently asked questions
How far is GAI from MDW?
The flight distance from Gaithersburg (GAI) to Chicago (MDW) is 585 miles (941 km, 508 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to MDW?
A nonstop flight takes about 1h 44m 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 MDW?
Nonstop service on GAI–MDW 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 1h 44m nonstop estimate.
What is the time difference between Gaithersburg and Chicago?
Chicago is 1 hour behind Gaithersburg.
What is the cheapest way to fly from GAI to MDW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–MDW that never appear on search engines, with no booking fees.
Why are some GAI to MDW fares phone-only?
Consolidator contracts let us sell certain GAI–MDW 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.