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BTM to POA: distance & flight time
Butte (Bert Mooney Airport) → Porto Alegre (Salgado Filho Airport)
6,497 mi
10,457 km · 5,646 nm
13h 12m
estimated nonstop flight time
+3h
time difference · heading southeast
See live BTM→POA fares Phone-only fares on this route — call free
Flight time details
6,497 miles nonstop takes roughly 13h 12m gate to gate, flying southeast. 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
- BTM — Bert Mooney Airport · Butte, United States
- POA — Salgado Filho Airport · Porto Alegre, Brazil
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 POA
- CXJ · Hugo Cantergiani Regional Airport55 mi away
- CCM · Diomício Freitas Airport137 mi away
- PET · João Simões Lopes Neto International Airport137 mi away
- PFB · Lauro Kurtz Airport140 mi away
Frequently asked questions
How far is BTM from POA?
The flight distance from Butte (BTM) to Porto Alegre (POA) is 6,497 miles (10,457 km, 5,646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to POA?
A nonstop flight takes about 13h 12m 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 Porto Alegre?
Porto Alegre is 3 hours ahead of Butte.
What is the cheapest way to fly from BTM to POA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–POA that never appear on search engines, with no booking fees.