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GTF to BWI: distance & flight time
Great Falls (Great Falls International Airport) → Baltimore (Baltimore/Washington International Thurgood Marshall Airport)
1,819 mi
2,927 km · 1,580 nm
4h 2m
estimated nonstop flight time
+2h
time difference · heading east
See live GTF→BWI fares Phone-only fares on this route — call free
Flight time details
1,819 miles nonstop takes roughly 4h 2m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 mi away
Frequently asked questions
How far is GTF from BWI?
The flight distance from Great Falls (GTF) to Baltimore (BWI) is 1,819 miles (2,927 km, 1,580 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to BWI?
A nonstop flight takes about 4h 2m 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 Great Falls and Baltimore?
Baltimore is 2 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to BWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–BWI that never appear on search engines, with no booking fees.