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BTM to BWI: distance & flight time
Butte (Bert Mooney Airport) → Baltimore (Baltimore/Washington International Thurgood Marshall Airport)
1,865 mi
3,002 km · 1,621 nm
4h 7m
estimated nonstop flight time
+2h
time difference · heading east
See live BTM→BWI fares Phone-only fares on this route — call free
Flight time details
1,865 miles nonstop takes roughly 4h 7m 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
- BTM — Bert Mooney Airport · Butte, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 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 BTM from BWI?
The flight distance from Butte (BTM) to Baltimore (BWI) is 1,865 miles (3,002 km, 1,621 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to BWI?
A nonstop flight takes about 4h 7m 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 Butte and Baltimore?
Baltimore is 2 hours ahead of Butte.
What is the cheapest way to fly from BTM to BWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–BWI that never appear on search engines, with no booking fees.