517 € Cheap Flights from Chicago O'Hare International to Porto Alegre

Compare Chicago O'Hare International to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

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Flight deals from Chicago O'Hare International to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Porto Alegre? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Porto Alegre

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Porto Alegre flights are currently cheapest in March.

Chicago O'Hare International to Porto Alegre: Alternative routes

Compare routes from Chicago O'Hare International to Porto Alegre below. You may find an airport to fly into that's cheaper, faster, or easier than Porto Alegre.

Chicago to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight found517 €
Cheapest month to flyMarch

Finding cheap flights from Chicago O'Hare International to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Porto Alegre is 517 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Porto Alegre. But we found flights with one or more stops from 517 €.
As of February 2026, there are no flights flying from Chicago O'Hare International to Porto Alegre.
The cheapest month to fly from Chicago O'Hare International to Porto Alegre is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Porto Alegre Airport on Monday, 16 March 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Porto Alegre Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto Alegre but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Arajet offers the cheapest flight tickets to Porto Alegre.

Travelling from O'Hare International Airport (ORD) to Salgado Filho International Airport (POA): what you need to know

  • Porto Alegre is two hours ahead of Chicago and observes the UTC-3 timezone.

  • To ensure you catch your ORD to POA flight, allow plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • You can expect longer queues in popular months like August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

  • Break up your flight or explore another city along the way with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from O'Hare International Airport to Salgado Filho International Airport. Many travellers pass through Tocumen International Airport on this route.

How to find the cheapest flights from O'Hare International Airport (ORD) to Salgado Filho International Airport (POA)

  • Right now, 275 € is the lowest price we've found for a one-way O'Hare International Airport to Salgado Filho International Airport flight. The best price for a return ticket is 517 €. Keep in mind that fares can change due to demand when booking.

  • To get your hands on cheap tickets from ORD to POA, book in advance. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • Finding cheap flights from O'Hare International Airport to Salgado Filho International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' tool to see the lowest fares across each month and land a great deal.

  • Stay on top of deals for cheap flights from ORD to POA by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from O'Hare International Airport to Salgado Filho International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, data shows 74.85% of flights arrive within the scheduled timeframe.

  • O'Hare International Airport is around 40 kilometres from central Chicago. If you're driving, ride-sharing or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on the traffic.

  • The journey when using public transport takes about 55 minutes.

  • Need a handy hotel close to ORD? If you're boarding an early flight from O'Hare International Airport to Salgado Filho International Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Salgado Filho International Airport (POA)

Getting from Salgado Filho International Airport (POA) to central Porto Alegre

  • From Salgado Filho International Airport, Porto Alegre is approximately 11 kilometres away. It takes around 20 minutes to drive to the centre.

  • If you're taking public transport, expect a journey time of about 50 minutes.

When to fly to Salgado Filho International Airport (POA)

  • The quietest month for a flight from O'Hare International Airport to Salgado Filho International Airport is May, while June is the busiest. Pick the best time to visit Porto Alegre based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from O'Hare International Airport to Salgado Filho International Airport, think about the kind of weather you enjoy. January is the warmest month in Porto Alegre, with the temperature ranging from 17ºC (63ºF) to 34ºC (93ºF).

  • July has average temperatures of between 8ºC (46ºF) and 23ºC (73ºF). Look for cheap tickets from ORD to POA sometime then if you want to travel when it's cooler.

Explore more of Brazil

  • You've visited Porto Alegre, now it's time to discover more of Brazil. Travel about 483 kilometres north-east to Joinville to tick off its must-visit sights. From Rua das Palmeiras to Parque Zoobotanico and Expoville Park, your itinerary will be busy.

  • If you're eager to discover another well-known destination in Brazil, head for Florianopolis, roughly 370 kilometres north-east of Porto Alegre. Joaquina beach, Farol da Barra da Lagoa and Hercilio Luz Bridge are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.