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Porto Alegre

$345+ Cheap flights from Illinois 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.
ORD — POA
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Illinois to Porto Alegre

Cheapest flights from Illinois to Porto Alegre
Explore the most affordable flight options available from Illinois to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This LATAM Airlines deal was found by Cheapflights users on 2/2. 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 am
ORD
-
POA
2 stops28h 08m
LATAM Airlines
Wed 3/256:00 pm
POA
-
ORD
2 stops18h 00m
LATAM Airlines
Deal found 2/2$706
This GOL deal was found by Cheapflights users on 2/2. 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.
Thu 3/1911:20 pm
ORD
-
POA
2 stops23h 25m
GOL
Thu 3/269:20 pm
POA
-
ORD
2 stops26h 00m
GOL
Deal found 2/2$717
This United Airlines deal was found by Cheapflights users on 2/2. 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 pm
ORD
-
POA
1 stop17h 35m
United Airlines
Wed 3/253:25 pm
POA
-
ORD
1 stop17h 35m
United Airlines
Deal found 2/2$784
This Mytrip deal was found by Cheapflights users on 2/3. 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 4/2210:17 am
ORD
-
POA
3 stops32h 43m
Multiple Airlines
Sat 5/22:00 pm
POA
-
ORD
2 stops33h 20m
Multiple Airlines
Deal found 2/3$791
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:45 am
MDW
-
POA
2 stops24h 30m
LATAM Airlines
Thu 3/262:50 pm
POA
-
MDW
2 stops23h 12m
LATAM Airlines
Deal found 2/2$825
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Thu 3/1910:55 am
ORD
-
POA
3 stops21h 00m
Multiple Airlines
Thu 3/265:10 am
POA
-
ORD
3 stops29h 15m
Multiple Airlines
Deal found 2/2$861
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Fri 3/1311:59 pm
ORD
-
POA
3 stops33h 31m
Multiple Airlines
Sat 3/219:30 am
POA
-
ORD
3 stops24h 55m
Multiple Airlines
Deal found 2/2$891
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Fri 3/131:37 pm
ORD
-
POA
2 stops25h 28m
LATAM Airlines
Sat 3/216:00 pm
POA
-
ORD
2 stops31h 54m
LATAM Airlines
Deal found 2/2$900
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Wed 4/2210:43 am
MDW
-
POA
2 stops17h 27m
LATAM Airlines
Sat 5/22:00 pm
POA
-
MDW
2 stops21h 56m
LATAM Airlines
Deal found 2/3$1,108
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:45 am
MDW
-
POA
2 stops17h 45m
LATAM Airlines
Sat 3/216:40 am
POA
-
MDW
2 stops17h 51m
LATAM Airlines
Deal found 2/2$1,147
This FlightHub deal was found by Cheapflights users on 2/2. 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 2/26:02 pm
STL
-
POA
2 stops38h 28m
GOL
Sun 2/85:10 am
POA
-
STL
2 stops45h 49m
GOL
Deal found 2/2$1,328
This KAYAK deal was found by Cheapflights users on 2/2. 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 2/310:00 am
STL
-
POA
2 stops27h 30m
GOL
Sun 2/85:20 pm
POA
-
STL
2 stops33h 39m
GOL
Deal found 2/2$1,353

Find flight deals from Illinois to Porto Alegre

Keep the following information in mind while searching for Illinois to Porto Alegre flight deals. Data was last updated February 4, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$697
(Copa Airlines)

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 Illinois to Porto Alegre Salgado Filho
Search Deals
One-way flight from Illinois to Porto Alegre Salgado Filho
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 4, 2026.
Use the filters below to find and compare flights from Illinois to Porto Alegre that are best for you.

Fly from

Illinois

Fly to

Porto Alegre

Route

Depart

Return

Price

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

6:00 pm-10:00 am

2 stops18h 00m

$706

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Thu 3/19

11:20 pm-12:45 am

2 stops23h 25m

Porto Alegre Salgado Filho

Thu 3/26

9:20 pm-9:20 pm

2 stops26h 00m

$717

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 4/22

11:20 pm-12:20 am

2 stops23h 00m

Porto Alegre Salgado Filho

Sat 5/2

7:40 pm-9:20 pm

2 stops27h 40m

$717

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

3:25 pm-7:00 am

1 stop17h 35m

$784

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 4/22

10:17 am-9:00 pm

3 stops32h 43m

Porto Alegre Salgado Filho

Sat 5/2

2:00 pm-9:20 pm

2 stops33h 20m

$791

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Thu 3/19

10:45 am-1:15 pm

2 stops24h 30m

Porto Alegre Salgado Filho

Thu 3/26

2:50 pm-12:02 pm

2 stops23h 12m

$825

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Thu 3/19

10:55 am-9:55 am

3 stops21h 00m

Porto Alegre Salgado Filho

Thu 3/26

5:10 am-8:25 am

3 stops29h 15m

$861

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 3/13

11:59 pm-11:30 am

3 stops33h 31m

Porto Alegre Salgado Filho

Sat 3/21

9:30 am-8:25 am

3 stops24h 55m

$891

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Wed 4/22

10:43 am-6:10 am

2 stops17h 27m

Porto Alegre Salgado Filho

Sat 5/2

2:00 pm-9:56 am

2 stops21h 56m

$1,108

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Fri 3/13

10:45 am-6:30 am

2 stops17h 45m

Porto Alegre Salgado Filho

Sat 3/21

6:40 am-10:31 pm

2 stops17h 51m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 27 results
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Best time to book a flight from Illinois to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Illinois 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 Illinois 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 Illinois 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 Illinois?

    For a flight from Illinois to Porto Alegre, you will be flying into Salgado Filho. Porto Alegre Salgado Filho (POA) is just 4.0 mi from the center of the city.

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

    Departing from Illinois to Porto Alegre will take you 17h 35m. Illinois and Porto Alegre are separated by a distance of 5492 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Illinois to Porto Alegre?

    While some choose either Lambert-St Louis - Porto Alegre Salgado Filho or Chicago Midway - Porto Alegre Salgado Filho, Chicago O'Hare Intl - Porto Alegre Salgado Filho is the most popular route from Illinois to Porto Alegre.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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.

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