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Porto Alegre

$305+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — POA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$719
(Booking.com)

One-way from

$305
(Avianca)
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 May 1, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 6/127:54 amORD - POA
1 stop14h 21mCopa Airlines
Wed 6/181:23 amPOA - ORD
1 stop25h 11mCopa Airlines
Deal found 4/29$705
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/125:15 amORD - POA
3 stops40h 55mMultiple Airlines
Wed 6/1812:30 amPOA - ORD
3 stops47h 26mMultiple Airlines
Deal found 4/29$751
This FlightHub deal was found by Cheapflights users on 4/29. 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 5/132:35 pmORD - POA
2 stops39h 30mAvianca
Mon 6/166:35 pmPOA - ORD
2 stops44h 40mAvianca
Deal found 4/29$785
This GOL deal was found by Cheapflights users on 4/30. 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 5/132:35 pmORD - POA
2 stops29h 30mGOL
Mon 6/166:35 pmPOA - ORD
2 stops20h 40mGOL
Deal found 4/30$828
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/1310:26 amMDW - POA
2 stops17h 59mLATAM Airlines
Fri 6/206:40 amPOA - MDW
2 stops17h 05mLATAM Airlines
Deal found 4/29$1,047
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 6/1310:26 amMDW - POA
2 stops17h 59mDelta
Fri 6/206:40 amPOA - MDW
2 stops17h 05mDelta
Deal found 4/29$1,049
This KAYAK deal was found by Cheapflights users on 4/30. 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 5/176:00 amSTL - POA
2 stops27h 40mLATAM Airlines
Fri 5/306:40 amPOA - STL
2 stops18h 58mLATAM Airlines
Deal found 4/30$1,064
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/139:20 pmORD - POA
1 stop17h 30mUnited Airlines
Mon 6/165:35 pmPOA - ORD
1 stop15h 10mUnited Airlines
Deal found 4/29$1,157
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/132:40 pmORD - POA
2 stops23h 00mAmerican Airlines
Fri 6/207:25 pmPOA - ORD
3 stops20h 20mAmerican Airlines
Deal found 4/29$2,186
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/1710:31 amSTL - POA
3 stops21h 54mAmerican Airlines
Fri 5/306:35 pmPOA - STL
2 stops22h 52mAmerican Airlines
Deal found 4/30$2,448
This MaxMilhas deal was found by Cheapflights users on 4/29. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:55 amORD - POA
2 stops31h 45mAeromexico
Sat 5/316:00 amPOA - ORD
2 stops19h 55mAeromexico
Deal found 4/29$3,146

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 May 1, 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

Thu 6/12

7:54 am-12:15 am

1 stop14h 21m

Porto Alegre Salgado Filho

Wed 6/18

1:23 am-12:34 am

1 stop25h 11m

$705

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Thu 6/12

5:15 am-12:10 am

3 stops40h 55m

Porto Alegre Salgado Filho

Wed 6/18

12:30 am-9:56 pm

3 stops47h 26m

$751

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/13

2:35 pm-8:05 am

2 stops39h 30m

Porto Alegre Salgado Filho

Mon 6/16

6:35 pm-1:15 pm

2 stops44h 40m

$785

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/13

2:35 pm-10:05 pm

2 stops29h 30m

Porto Alegre Salgado Filho

Mon 6/16

6:35 pm-1:15 pm

2 stops20h 40m

$828

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Fri 6/13

10:26 am-6:25 am

2 stops17h 59m

Porto Alegre Salgado Filho

Fri 6/20

6:40 am-9:45 pm

2 stops17h 05m

$1,047

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Fri 6/13

10:26 am-6:25 am

2 stops17h 59m

Porto Alegre Salgado Filho

Fri 6/20

6:40 am-9:45 pm

2 stops17h 05m

$1,049

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/17

6:00 am-11:40 am

2 stops27h 40m

Porto Alegre Salgado Filho

Fri 5/30

6:40 am-11:38 pm

2 stops18h 58m

$1,064

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/13

9:20 pm-4:50 pm

1 stop17h 30m

Porto Alegre Salgado Filho

Mon 6/16

5:35 pm-6:45 am

1 stop15h 10m

$1,157

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 6/13

2:40 pm-3:40 pm

2 stops23h 00m

Porto Alegre Salgado Filho

Fri 6/20

7:25 pm-1:45 pm

3 stops20h 20m

$2,186

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 5/17

10:31 am-10:25 am

3 stops21h 54m

Porto Alegre Salgado Filho

Fri 5/30

6:35 pm-3:27 pm

2 stops22h 52m

$2,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
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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 May 1, 2025.

When flying from Illinois to Porto Alegre, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto Alegre ranges from 2.8 - 5.1 inches per month. September is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Porto Alegre when rainfall is around 2.8 in.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,068 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 Avianca ($305), Delta ($473), and United Airlines ($759).

  • 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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