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

Depending on when you travel and how far in advance you book, fares between Saint Louis and Porto Alegre can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Are there multiple airports in Saint Louis and Porto Alegre?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Saint Louis: Only Saint Louis - Lambert operates in this city.
• Airports in Porto Alegre: Porto Alegre - Salgado Filho is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Explore flights from Saint Louis to Porto Alegre your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Brazil? Check out: Fortaleza, Porto Alegre, Recife, Rio de Janeiro, São Paulo.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.