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Porto Alegre

$721+ Cheap flights from Illinois to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — POA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Porto Alegre

Best flights from Illinois to Porto Alegre
Discover carefully curated flight deals from Illinois to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Mytrip deal was found by Cheapflights users on 12/17. 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 1/149:23 amORD - POA
3 stops29h 57mMultiple Airlines
Wed 1/212:10 pmPOA - ORD
2 stops33h 10mMultiple Airlines
Deal found 12/17$721
This GOL deal was found by Cheapflights users on 12/17. 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 1/1410:20 pmORD - POA
2 stops22h 20mGOL
Wed 1/219:20 pmPOA - ORD
2 stops26h 00mGOL
Deal found 12/17$758
This Copa Airlines deal was found by Cheapflights users on 12/17. 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 12/17$810
This United Airlines deal was found by Cheapflights users on 12/16. 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 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 30mUnited Airlines
Wed 3/255:10 pmPOA - ORD
1 stop15h 50mUnited Airlines
Deal found 12/16$812
This LATAM Airlines deal was found by Cheapflights users on 12/18. 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 3/35:25 amORD - POA
2 stops32h 35mLATAM Airlines
Wed 3/255:55 pmPOA - ORD
2 stops21h 23mLATAM Airlines
Deal found 12/18$815
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:31 pmMDW - POA
2 stops17h 34mLATAM Airlines
Wed 1/216:40 amPOA - MDW
2 stops30h 13mLATAM Airlines
Deal found 12/17$1,115
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:19 amSTL - POA
2 stops30h 01mUnited Airlines
Wed 3/115:10 pmPOA - STL
2 stops21h 17mUnited Airlines
Deal found 12/15$1,281

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$715
(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
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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 December 18, 2025.
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

Wed 1/14

9:23 am-6:20 pm

3 stops29h 57m

Porto Alegre Salgado Filho

Wed 1/21

2:10 pm-8:20 pm

2 stops33h 10m

$721

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 1/14

10:20 pm-11:40 pm

2 stops22h 20m

Porto Alegre Salgado Filho

Wed 1/21

9:20 pm-8:20 pm

2 stops26h 00m

$758

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

$810

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

5:50 pm-2:20 pm

1 stop17h 30m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-7:00 am

1 stop15h 50m

$812

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

5:25 am-5:00 pm

2 stops32h 35m

Porto Alegre Salgado Filho

Wed 3/25

5:55 pm-1:18 pm

2 stops21h 23m

$815

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Wed 1/14

5:31 pm-2:05 pm

2 stops17h 34m

Porto Alegre Salgado Filho

Wed 1/21

6:40 am-9:53 am

2 stops30h 13m

$1,115

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sun 3/8

8:19 am-4:20 pm

2 stops30h 01m

Porto Alegre Salgado Filho

Wed 3/11

5:10 pm-12:27 pm

2 stops21h 17m

$1,281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

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

Find hourly flight availability from Illinois 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 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 69% on flights from Illinois to Porto Alegre by exploring options for tickets in the morning.

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 13h 51m. 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 Chicago Midway - Porto Alegre Salgado Filho or Lambert-St Louis - 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.

See more FAQs

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Alternative routes for Illinois to Porto Alegre

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