Need help booking?
Unpublished phone-only deals available
STL to POA: distance & flight time
St. Louis (St Louis Lambert International Airport) → Porto Alegre (Salgado Filho Airport)
5,379 mi
8,656 km · 4,674 nm
11h 1m
estimated nonstop flight time
+2h
time difference · heading southeast
See live STL→POA fares Phone-only fares on this route — call free
Flight time details
5,379 miles nonstop takes roughly 11h 1m gate to gate, flying southeast. 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
- STL — St Louis Lambert International Airport · St. Louis, 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 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 STL from POA?
The flight distance from St. Louis (STL) to Porto Alegre (POA) is 5,379 miles (8,656 km, 4,674 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to POA?
A nonstop flight takes about 11h 1m 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 St. Louis and Porto Alegre?
Porto Alegre is 2 hours ahead of St. Louis.
What is the cheapest way to fly from STL to POA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–POA that never appear on search engines, with no booking fees.