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Porto Alegre

$375+ Cheap flights from Chicago (CHI) 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.
CHI — POA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Chicago to Porto Alegre

Cheapest flights from Chicago to Porto Alegre
Explore the most affordable flight options available from Chicago to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/28. 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 stops20h 57m
LATAM Airlines
Deal found 1/28$708
This Copa Airlines deal was found by Cheapflights users on 1/27. 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 am
ORD
-
POA
1 stop13h 51m
Copa Airlines
Tue 3/241:30 am
POA
-
ORD
1 stop14h 01m
Copa Airlines
Deal found 1/27$711
This GOL deal was found by Cheapflights users on 1/27. 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 3/310:20 pm
ORD
-
POA
2 stops22h 20m
GOL
Wed 3/259:20 pm
POA
-
ORD
2 stops26h 00m
GOL
Deal found 1/27$715
This GOL deal was found by Cheapflights users on 1/28. 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.
Sat 3/2111:20 pm
ORD
-
POA
2 stops23h 30m
GOL
Sat 4/1111:50 am
POA
-
ORD
2 stops27h 25m
GOL
Deal found 1/28$759
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/36:20 pm
ORD
-
POA
2 stops17h 05m
United Airlines
Wed 3/253:25 pm
POA
-
ORD
1 stop17h 35m
United Airlines
Deal found 1/28$849
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Tue 3/178:40 pm
ORD
-
POA
2 stops40h 10m
Air Canada
Thu 3/195:55 pm
POA
-
ORD
2 stops25h 53m
Air Canada
Deal found 1/28$1,161
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 3/216:50 pm
ORD
-
POA
1 stop18h 35m
United Airlines
Sat 4/113:45 pm
POA
-
ORD
1 stop17h 00m
United Airlines
Deal found 1/29$1,229
This Kissandfly.com deal was found by Cheapflights users on 1/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/214:30 pm
MDW
-
POA
2 stops22h 30m
LATAM Airlines
Sat 4/112:25 pm
POA
-
MDW
2 stops23h 37m
LATAM Airlines
Deal found 1/29$2,111

Find flight deals from Chicago to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$708
(LATAM Airlines)

One-way from

$375
(Avianca)
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.
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From Chicago (CHI) to Porto Alegre Salgado Filho
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One-way flight from Chicago (CHI) to Porto Alegre Salgado Filho
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 January 29, 2026.
Use the filters below to find and compare flights from Chicago to Porto Alegre that are best for you.

Fly from

Chicago

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-12:57 pm

2 stops20h 57m

$708

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

$711

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

10:20 pm-11:40 pm

2 stops22h 20m

Porto Alegre Salgado Filho

Wed 3/25

9:20 pm-9:20 pm

2 stops26h 00m

$715

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sat 3/21

11:20 pm-12:50 am

2 stops23h 30m

Porto Alegre Salgado Filho

Sat 4/11

11:50 am-1:15 pm

2 stops27h 25m

$759

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

6:20 pm-2:25 pm

2 stops17h 05m

Porto Alegre Salgado Filho

Wed 3/25

3:25 pm-7:00 am

1 stop17h 35m

$849

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/17

8:40 pm-2:50 pm

2 stops40h 10m

Porto Alegre Salgado Filho

Thu 3/19

5:55 pm-1:01 pm

2 stops21h 06m

$1,161

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sat 3/21

4:30 pm-5:00 pm

2 stops22h 30m

Porto Alegre Salgado Filho

Sat 4/11

2:25 pm-12:02 pm

2 stops23h 37m

$2,111

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/5

2:35 pm-6:55 pm

2 stops50h 20m

$375

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 5/5

9:15 pm-2:20 pm

1 stop15h 05m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Chicago-Porto Alegre flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Porto Alegre flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Chicago-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Porto Alegre flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Porto Alegre

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

    Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to Porto Alegre from Chicago. Booking flights from Chicago to Salgado Filho (POA) should be relatively easy as there are 0 daily inbound flights from Chicago from 0 different airlines.

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

    Departing from Chicago to Porto Alegre will take you 13h 51m. The distance between Chicago and Porto Alegre is about 5492 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Porto Alegre

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