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Porto Alegre

$544+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — POA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$754
(Air Canada)

One-way from

$544
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Porto Alegre Salgado Filho flights.
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From Illinois to Porto Alegre Salgado Filho
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One-way flight from Illinois to Porto Alegre Salgado Filho
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Find 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 November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:41 pmSTL - POA
2 stops21h 29mAmerican Airlines
Sat 11/225:35 pmPOA - STL
2 stops24h 54mAmerican Airlines
Deal found 11/1$1,461
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:33 amSTL - POA
2 stops17h 57mDelta
Sat 11/226:00 pmPOA - STL
2 stops22h 00mDelta
Deal found 11/3$1,493
This Ovago deal was found by Cheapflights users on 11/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:17 pmSTL - POA
3 stops27h 38mLATAM Airlines
Sat 11/227:45 amPOA - STL
2 stops17h 13mLATAM Airlines
Deal found 11/2$1,496
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:10 pmORD - POA
2 stops43h 50mLATAM Airlines
Sat 1/102:05 pmPOA - ORD
2 stops21h 38mLATAM Airlines
Deal found 11/1$1,560
This LATAM Airlines deal was found by Cheapflights users on 11/1. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:39 pmMDW - POA
2 stops20h 26mLATAM Airlines
Tue 12/232:05 pmPOA - MDW
2 stops22h 00mLATAM Airlines
Deal found 11/1$1,619
This LATAM Airlines deal was found by Cheapflights users on 11/1. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:23 pmORD - POA
2 stops24h 42mLATAM Airlines
Tue 12/232:05 pmPOA - ORD
2 stops25h 07mLATAM Airlines
Deal found 11/1$1,748
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:29 pmMDW - POA
2 stops35h 01mDelta
Sat 1/107:45 amPOA - MDW
2 stops29h 49mDelta
Deal found 11/1$1,801
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:07 pmORD - POA
1 stop31h 23mCopa Airlines
Fri 1/91:45 amPOA - ORD
1 stop14h 01mCopa Airlines
Deal found 11/1$1,987
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/165:50 pmORD - POA
1 stop14h 00mUnited Airlines
Tue 12/231:55 pmPOA - ORD
1 stop18h 35mUnited Airlines
Deal found 11/1$2,113
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:50 pmORD - POA
1 stop18h 00mUnited Airlines
Sat 1/104:55 pmPOA - ORD
1 stop15h 35mUnited Airlines
Deal found 11/1$2,158
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:30 pmORD - POA
2 stops35h 30mAmerican Airlines
Sat 1/107:20 pmPOA - ORD
2 stops19h 51mAmerican Airlines
Deal found 11/1$2,766
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:33 amORD - POA
2 stops39h 07mAeromexico
Sat 1/106:10 amPOA - ORD
2 stops33h 52mAeromexico
Deal found 11/1$2,958

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 November 3, 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

Tue 3/3

7:15 am-4:30 pm

2 stops30h 15m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-11:18 am

2 stops20h 08m

$754

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

1:35 pm-11:00 am

2 stops42h 25m

Porto Alegre Salgado Filho

Fri 3/6

5:20 pm-9:21 pm

2 stops31h 01m

$801

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

$1,058

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

4:00 pm-2:35 pm

2 stops19h 35m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-7:00 am

1 stop15h 50m

$1,064

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Wed 2/18

10:35 am-9:15 am

2 stops19h 40m

Porto Alegre Salgado Filho

Sun 2/22

12:40 pm-9:56 am

2 stops24h 16m

$1,098

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 11/12

4:41 pm-5:10 pm

2 stops21h 29m

Porto Alegre Salgado Filho

Sat 11/22

5:35 pm-3:29 pm

2 stops24h 54m

$1,461

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 11/12

9:33 am-6:30 am

2 stops17h 57m

Porto Alegre Salgado Filho

Sat 11/22

6:00 pm-10:43 am

2 stops19h 43m

$1,493

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 11/12

5:17 pm-11:55 pm

3 stops27h 38m

Porto Alegre Salgado Filho

Sat 11/22

7:45 am-9:58 pm

2 stops17h 13m

$1,496

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Tue 12/16

5:39 pm-5:05 pm

2 stops20h 26m

Porto Alegre Salgado Filho

Tue 12/23

2:05 pm-9:05 am

2 stops22h 00m

$1,619

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sat 12/6

4:29 pm-6:30 am

2 stops35h 01m

Porto Alegre Salgado Filho

Sat 1/10

7:45 am-10:34 am

2 stops29h 49m

$1,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 19 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

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 November 3, 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 19h 40m. Illinois and Porto Alegre are separated by a distance of 5476 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Porto Alegre one-way?

    The cheapest airlines for a one-way flight from Illinois to Porto Alegre are United Airlines ($910), Copa Airlines ($2,188), and LATAM Airlines ($4,392).

  • 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.

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Alternative routes for Illinois to Porto Alegre

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