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$378+ Cheap flights from Porto Alegre (POA) to Illinois

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
POA — ORD
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Porto Alegre to Illinois

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

This Copa Airlines deal was found by Cheapflights users on 2/4. 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 3/91:30 am
POA
-
ORD
1 stop14h 01m
Copa Airlines
Mon 3/238:34 am
ORD
-
POA
1 stop13h 51m
Copa Airlines
Deal found 2/4$684
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 3/105:10 pm
POA
-
ORD
1 stop15h 50m
United Airlines
Mon 3/231:06 pm
ORD
-
POA
2 stops25h 19m
United Airlines
Deal found 2/2$707
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:25 pm
POA
-
ORD
1 stop17h 05m
United Airlines
Tue 3/105:45 pm
ORD
-
POA
2 stops20h 40m
United Airlines
Deal found 2/3$710
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:45 am
POA
-
ORD
1 stop14h 01m
Copa Airlines
Tue 11/177:35 am
ORD
-
POA
1 stop13h 55m
Copa Airlines
Deal found 2/3$727
This Air Canada deal was found by Cheapflights users on 2/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:25 pm
POA
-
ORD
2 stops20h 52m
Air Canada
Sun 9/208:45 am
ORD
-
POA
2 stops27h 35m
Air Canada
Deal found 2/4$749
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.
Wed 6/107:40 pm
POA
-
ORD
2 stops27h 40m
GOL
Wed 6/1711:20 pm
ORD
-
POA
2 stops22h 35m
GOL
Deal found 2/2$752
This Air Canada deal was found by Cheapflights users on 2/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:25 pm
POA
-
ORD
2 stops25h 27m
Air Canada
Mon 9/219:50 am
ORD
-
POA
2 stops27h 45m
Air Canada
Deal found 2/4$754
This GOL 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:40 pm
POA
-
ORD
2 stops27h 40m
GOL
Mon 8/311:20 pm
ORD
-
POA
2 stops22h 35m
GOL
Deal found 2/3$756
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 8/133:25 pm
POA
-
BMI
2 stops34h 34m
United Airlines
Mon 8/171:32 pm
BMI
-
POA
2 stops24h 48m
United Airlines
Deal found 2/1$1,086

Find flight deals from Porto Alegre to Illinois

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

Round-trip from

$684
(Copa Airlines)

One-way from

$378
(Copa Airlines)

Popular in

June

Cheapest in

February

Average price

$755
From Porto Alegre Salgado Filho to Illinois
Search Deals
One-way flight from Porto Alegre Salgado Filho to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Illinois 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 Porto Alegre to Illinois that are best for you.

Fly from

Porto Alegre

Fly to

Illinois

Route

Depart

Return

Price

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Mon 3/9

1:30 am-1:31 pm

1 stop14h 01m

Chicago O'Hare Intl

Mon 3/23

8:34 am-12:25 am

1 stop13h 51m

$684

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Mon 3/2

1:30 am-12:31 pm

1 stop14h 01m

Chicago O'Hare Intl

Tue 3/10

8:34 am-12:25 am

1 stop13h 51m

$684

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Tue 3/10

5:10 pm-7:00 am

1 stop15h 50m

Chicago O'Hare Intl

Mon 3/23

5:45 pm-2:10 pm

2 stops18h 25m

$708

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Tue 3/3

3:25 pm-5:30 am

1 stop17h 05m

Chicago O'Hare Intl

Tue 3/10

5:45 pm-4:25 pm

2 stops20h 40m

$710

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Wed 6/10

7:40 pm-9:20 pm

2 stops27h 40m

Chicago O'Hare Intl

Wed 6/17

11:20 pm-11:55 pm

2 stops22h 35m

$752

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Fri 7/24

7:40 pm-9:20 pm

2 stops27h 40m

Chicago O'Hare Intl

Mon 8/3

11:20 pm-11:55 pm

2 stops22h 35m

$752

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Mon 3/2

1:30 am-12:31 pm

1 stop14h 01m

$378

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Tue 3/3

9:20 pm-8:20 pm

2 stops26h 00m

$425

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Tue 4/21

8:20 pm-9:20 pm

2 stops27h 00m

$438

Porto AlegreChicago

POA - ORD

POAORD

Porto Alegre Salgado Filho

Sun 4/19

7:40 pm-9:20 pm

2 stops27h 40m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 18 results
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Best time to book a flight from Porto Alegre to Illinois

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

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho (POA) is the airport most travelers will use when flying to Illinois from Porto Alegre.

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

    Departing from Porto Alegre to Illinois will take you 14h 01m. Porto Alegre and Illinois are separated by a distance of 5492 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to Illinois 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

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