How much is a flight from Saint Louis to Porto Alegre?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and Porto Alegre.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Saint Louis - Porto Alegre route.

Which airports serve Saint Louis and Porto Alegre?

When planning a trip of about 8656 km, it's a good idea to check flights from surrounding airports too.

• Airports in Saint Louis: Saint Louis - Lambert is the only operational airport in the area.
• Airports in Porto Alegre: The only active airport in Porto Alegre is Porto Alegre - Salgado Filho.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Refine your flight search from Saint Louis to Porto Alegre

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at Brazil? These cities are trending: Fortaleza, Porto Alegre, Recife, Rio de Janeiro, São Paulo.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.