$454 Find Cheap Flights from Chicago to Porto Alegre - Compare and Save

Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Porto Alegre:

• Economy Class
• Business Class

A nonstop flight from Chicago O'Hare Intl Airport to Porto Alegre takes 00m, covering 5,492 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Chicago O'Hare Intl Airport to Porto Alegre range from $847 to $1,408, with an average of $1,134 over the past 12 months. Anything below $847 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $808 to $3,485. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Porto Alegre are currently higher than usual. Average one-way flight prices are about $824, which is 138% above the typical average for this route.

Porto Alegre Salgado Filho Airport (POA) hosts 5 major car rental companies, with daily rates averaging $32 for economy cars. Top options include:

• FOCO
• MOVIDA
• Localiza
• Avis
• Unidas

Flights from Chicago O'Hare Intl Airport to Porto Alegre usually depart from Chicago O'Hare Intl (ORD) and arrive at Porto Alegre Salgado Filho (POA).

Connecting flights from Chicago O'Hare Intl Airport to Porto Alegre most commonly pass through:

• Sao Paulo Guarulhos Intl (GRU) - 53% of one-stop connections
• Panama City Tocumen Intl (PTY) - 47% of one-stop connections

Yes. Flexible dates can save you up to 53% on flights from Chicago O'Hare Intl Airport to Porto Alegre. Saturday is the cheapest departure day at $755 round-trip on average, while Thursday is the most expensive at $1,599, a difference of $844.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Sao Paulo Guarulhos Intl (GRU) gives the shortest average 1-stop total travel time at 15h 27m, compared with 17h 30m via Panama City Tocumen Intl (PTY).

Porto Alegre is 2 hours ahead of Chicago O'Hare Intl Airport (Brasilia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Porto Alegre are Araujo Vianna Auditorium, Moinhos de Vento Park and Farroupilha Park. These are among the most viewed places in Porto Alegre on KAYAK.