HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$346+ Cheap flights from Chicago (CHI) to Porto Alegre (POA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — POA
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Porto Alegre with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Porto Alegre

Best flights from Chicago to Porto Alegre
Discover carefully curated flight deals from Chicago to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 27, 2025.

This Mytrip deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:20 pmORD - POA
2 stops23h 25mMultiple Airlines
Wed 2/2511:15 amPOA - ORD
3 stops33h 53mMultiple Airlines
Deal found 12/27$657
This GOL deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:20 pmORD - POA
2 stops23h 25mGOL
Wed 2/259:20 pmPOA - ORD
2 stops26h 00mGOL
Deal found 12/27$714
This Copa Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:34 amORD - POA
1 stop13h 51mCopa Airlines
Tue 3/241:30 amPOA - ORD
1 stop14h 01mCopa Airlines
Deal found 12/25$809
This LATAM Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:52 amORD - POA
2 stops28h 08mLATAM Airlines
Wed 3/255:55 pmPOA - ORD
2 stops21h 02mLATAM Airlines
Deal found 12/25$825
This United Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:50 pmORD - POA
1 stop17h 35mUnited Airlines
Wed 3/255:10 pmPOA - ORD
1 stop15h 50mUnited Airlines
Deal found 12/27$835
This GOL deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:20 pmORD - POA
2 stops22h 20mGOL
Wed 3/255:10 amPOA - ORD
2 stops20h 07mGOL
Deal found 12/27$784
This Copa Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:34 amORD - POA
1 stop13h 51mCopa Airlines
Tue 2/241:30 amPOA - ORD
1 stop14h 01mCopa Airlines
Deal found 12/27$809
This FlightHub deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1612:45 pmMDW - POA
2 stops19h 50mLATAM Airlines
Wed 2/258:10 pmPOA - MDW
2 stops18h 49mLATAM Airlines
Deal found 12/27$924

Find flight deals from Chicago to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$657
(Mytrip)

One-way from

$347
(GOL)
Provider with most accurate pricing for Chicago (CHI)-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Porto Alegre Salgado Filho flights.
Search Deals
From Chicago (CHI) to Porto Alegre Salgado Filho
Search Deals
One-way flight from Chicago (CHI) to Porto Alegre Salgado Filho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from Chicago to Porto Alegre that are best for you.

Fly from

Chicago

Fly to

Porto Alegre

Route

Depart

Return

Price

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 2/16

10:20 pm-12:45 am

2 stops23h 25m

Porto Alegre Salgado Filho

Wed 2/25

11:15 am-6:08 pm

3 stops33h 53m

$657

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 2/16

10:20 pm-12:45 am

2 stops23h 25m

Porto Alegre Salgado Filho

Wed 2/25

9:20 pm-8:20 pm

2 stops26h 00m

$714

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

10:20 pm-11:40 pm

2 stops22h 20m

Porto Alegre Salgado Filho

Wed 3/25

5:10 am-11:17 pm

2 stops20h 07m

$784

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

7:34 am-12:25 am

1 stop13h 51m

Porto Alegre Salgado Filho

Tue 3/24

1:30 am-1:31 pm

1 stop14h 01m

$809

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 2/16

7:34 am-12:25 am

1 stop13h 51m

Porto Alegre Salgado Filho

Tue 2/24

1:30 am-12:31 pm

1 stop14h 01m

$809

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

9:52 am-5:00 pm

2 stops28h 08m

Porto Alegre Salgado Filho

Wed 3/25

5:55 pm-12:57 pm

2 stops21h 02m

$825

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

5:50 pm-2:25 pm

1 stop17h 35m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-7:00 am

1 stop15h 50m

$835

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Mon 2/16

12:45 pm-11:35 am

2 stops19h 50m

Porto Alegre Salgado Filho

Wed 2/25

8:10 pm-11:59 am

2 stops18h 49m

$924

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/5

2:35 pm-5:45 pm

2 stops25h 10m

$346

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/5

9:15 pm-9:45 am

1 stop34h 30m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Compare providers for flights from Chicago to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Porto Alegre in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Porto Alegre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Porto Alegre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Porto Alegre flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Porto Alegre

What is the cheapest time of day to fly from CHI to POA?

Find hourly flight availability from Chicago to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 27, 2025.

It’s typically best to fly out from Chicago to Porto Alegre in the morning. Doing so could potentially save you 69% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto Alegre from Chicago?

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to Porto Alegre from Chicago. Booking flights from Chicago to Salgado Filho (POA) should be relatively easy as there are 0 daily inbound flights from Chicago from 0 different airlines.

  • How long is the flight from Chicago to Porto Alegre?

    Departing from Chicago to Porto Alegre will take you 13h 51m. The distance between Chicago and Porto Alegre is about 5492 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Chicago to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Chicago to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Porto Alegre.

  • Can I find deals for business class flights from Chicago to Porto Alegre?

    Yes. Cheapflights offers flight deals from Chicago to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Porto Alegre flights
St. Louis to Porto Alegre flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.