HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$345+ 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
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
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

Cheapest flights from Chicago to Porto Alegre
Explore the most affordable flight options available from Chicago to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.

This Mytrip deal was found by Cheapflights users on 2/13. 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.
Wed 3/186:45 am
ORD
-
POA
3 stops25h 10m
Multiple Airlines
Tue 3/2410:45 am
POA
-
ORD
3 stops35h 06m
Multiple Airlines
Deal found 2/13$689
This Copa Airlines deal was found by Cheapflights users on 2/16. 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 3/317:56 am
ORD
-
POA
1 stop14h 29m
Copa Airlines
Thu 4/91:35 am
POA
-
ORD
1 stop14h 15m
Copa Airlines
Deal found 2/16$697
This Mytrip deal was found by Cheapflights users on 2/15. 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.
Tue 3/3111:20 pm
ORD
-
POA
2 stops19h 10m
Multiple Airlines
Sat 4/114:55 pm
POA
-
ORD
2 stops30h 25m
Multiple Airlines
Deal found 2/15$709
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:15 am
ORD
-
POA
2 stops23h 00m
LATAM Airlines
Wed 4/295:50 pm
POA
-
ORD
2 stops22h 37m
LATAM Airlines
Deal found 2/15$712
This GOL deal was found by Cheapflights users on 2/13. 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 pm
ORD
-
POA
2 stops22h 20m
GOL
Wed 3/259:20 pm
POA
-
ORD
2 stops26h 00m
GOL
Deal found 2/13$714
This GOL deal was found by Cheapflights users on 2/13. 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.
Wed 3/1811:20 pm
ORD
-
POA
2 stops22h 20m
GOL
Tue 3/249:20 pm
POA
-
ORD
2 stops26h 00m
GOL
Deal found 2/13$717
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:07 pm
MDW
-
POA
2 stops20h 58m
LATAM Airlines
Tue 3/246:40 am
POA
-
MDW
2 stops17h 51m
LATAM Airlines
Deal found 2/15$718
This Copa Airlines deal was found by Cheapflights users on 2/15. 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.
Wed 9/168:01 am
ORD
-
POA
1 stop14h 19m
Copa Airlines
Thu 10/151:20 am
POA
-
ORD
1 stop14h 39m
Copa Airlines
Deal found 2/15$731
This FlightHub deal was found by Cheapflights users on 2/15. 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.
Tue 3/3111:20 pm
ORD
-
POA
2 stops39h 05m
GOL
Fri 4/106:15 pm
POA
-
ORD
2 stops29h 05m
GOL
Deal found 2/15$744
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:41 am
MDW
-
POA
2 stops17h 34m
LATAM Airlines
Wed 4/295:50 pm
POA
-
MDW
2 stops20h 17m
LATAM Airlines
Deal found 2/15$789
This Gurufare deal was found by Cheapflights users on 2/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:35 am
MDW
-
POA
2 stops17h 40m
LATAM Airlines
Fri 10/165:50 pm
POA
-
MDW
2 stops20h 06m
LATAM Airlines
Deal found 2/15$866
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:45 am
MDW
-
POA
2 stops30h 45m
LATAM Airlines
Fri 4/105:50 pm
POA
-
MDW
2 stops23h 35m
LATAM Airlines
Deal found 2/15$1,038

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 February 17, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$689
(Mytrip)

One-way from

$345
(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 February 17, 2026.
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

Wed 3/18

6:45 am-9:55 am

3 stops25h 10m

Porto Alegre Salgado Filho

Tue 3/24

10:45 am-7:51 pm

3 stops35h 06m

$689

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/31

7:56 am-12:25 am

1 stop14h 29m

Porto Alegre Salgado Filho

Thu 4/9

1:35 am-1:50 pm

1 stop14h 15m

$697

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/31

11:20 pm-8:30 pm

2 stops19h 10m

Porto Alegre Salgado Filho

Sat 4/11

4:55 pm-9:20 pm

2 stops30h 25m

$709

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 4/19

5:15 am-6:15 am

2 stops23h 00m

Porto Alegre Salgado Filho

Wed 4/29

5:50 pm-2:27 pm

2 stops22h 37m

$712

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

9:20 pm-9:20 pm

2 stops26h 00m

$714

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 3/18

11:20 pm-11:40 pm

2 stops22h 20m

Porto Alegre Salgado Filho

Tue 3/24

9:20 pm-9:20 pm

2 stops26h 00m

$717

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Tue 3/17

6:07 pm-5:05 pm

2 stops20h 58m

Porto Alegre Salgado Filho

Tue 3/24

6:40 am-10:31 pm

2 stops17h 51m

$718

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sun 4/19

10:41 am-6:15 am

2 stops17h 34m

Porto Alegre Salgado Filho

Wed 4/29

5:50 pm-12:07 pm

2 stops20h 17m

$789

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sun 4/19

10:41 am-11:35 am

2 stops22h 54m

Porto Alegre Salgado Filho

Sat 5/2

2:00 pm-9:56 am

2 stops21h 56m

$1,038

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Tue 3/31

10:45 am-7:30 pm

2 stops30h 45m

Porto Alegre Salgado Filho

Fri 4/10

5:50 pm-3:25 pm

2 stops23h 35m

$1,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Chicago-Porto Alegre flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Porto Alegre flight deals on Cheapflights vs. AranGrant 90-95% 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 AranGrant the most. AranGrant 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
No data available for this route at this time. Please check back soon.

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 14h 29m. 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.