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Cheap flights from Chicago to Porto Alegre from $346

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Porto Alegre departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Chicago to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
10:20 pm - 11:40 pm
ORD
-
POA
22h 20m
2 stops
GOL Logo
9:20 pm - 9:20 pm
POA
-
ORD
26h 00m
2 stops
$716GOL
Tue, Mar 3 - Wed, Mar 25
GOL Logo
10:20 pm - 11:40 pm
ORD
-
POA
22h 20m
2 stops
GOL Logo
9:20 pm - 9:20 pm
POA
-
ORD
26h 00m
2 stops
$717GOL
Tue, Mar 3 - Wed, Mar 25
GOL Logo
10:20 pm - 12:55 am
ORD
-
POA
23h 35m
2 stops
GOL Logo
5:45 pm - 8:20 pm
POA
-
ORD
53h 35m
2 stops
$760GOL
Fri, Feb 27 - Fri, Mar 6
Delta Logo
6:00 am - 6:30 am
MDW
-
POA
21h 30m
2 stops
Delta Logo
6:40 am - 10:31 pm
POA
-
MDW
17h 51m
2 stops
$845Delta
Sun, Mar 1 - Sun, Mar 8
LATAM Airlines Logo
12:45 pm - 1:15 pm
MDW
-
POA
21h 30m
2 stops
LATAM Airlines Logo
6:00 pm - 10:21 am
POA
-
MDW
19h 21m
2 stops
$859LATAM Airlines
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
8:43 pm - 8:00 am
ORD
-
POA
32h 17m
2 stops
Multiple Airlines Logo
12:50 am - 8:20 pm
POA
-
ORD
22h 30m
2 stops
$870Multiple Airlines
Sun, Feb 8 - Fri, Feb 13
Multiple Airlines Logo
10:20 pm - 12:55 am
ORD
-
POA
23h 35m
2 stops
Multiple Airlines Logo
5:10 am - 7:54 am
POA
-
ORD
29h 44m
3 stops
$872Multiple Airlines
Fri, Feb 27 - Fri, Mar 6
United Airlines Logo
5:50 pm - 4:25 pm
ORD
-
POA
19h 35m
1 stop
United Airlines Logo
3:25 pm - 7:00 am
POA
-
ORD
17h 35m
1 stop
$887United Airlines
Tue, Mar 3 - Wed, Mar 25
United Airlines Logo
2:00 pm - 2:25 pm
ORD
-
POA
21h 25m
2 stops
United Airlines Logo
5:10 pm - 7:00 am
POA
-
ORD
15h 50m
1 stop
$888United Airlines
Tue, Mar 3 - Wed, Mar 25
LATAM Airlines Logo
10:48 am - 5:00 pm
MDW
-
POA
27h 12m
2 stops
LATAM Airlines Logo
7:45 am - 10:31 pm
POA
-
MDW
17h 46m
2 stops
$1,091LATAM Airlines
Sun, Feb 8 - Sat, Feb 14

Air Canada flights from Chicago to Porto Alegre

Our best Air Canada deals on Chicago to Porto Alegre flight tickets
Air Canada
Jan 20
ORD3:35 pmChicago O'Hare Intl
23h 45m
2 stops
POA6:20 pmPorto Alegre Salgado Filho
Feb 4
POA2:10 pmPorto Alegre Salgado Filho
27h 45m
2 stops
ORD2:55 pmChicago O'Hare Intl
$752
Air Canada
Mar 17
ORD12:50 pmChicago O'Hare Intl
25h 40m
2 stops
POA4:30 pmPorto Alegre Salgado Filho
Mar 19
POA3:30 pmPorto Alegre Salgado Filho
42h 30m
2 stops
ORD8:00 amChicago O'Hare Intl
$1,133

United Airlines flights from Chicago to Porto Alegre

Our best United Airlines deals on Chicago to Porto Alegre flight tickets
United Airlines
Mar 3
ORD5:50 pmChicago O'Hare Intl
19h 35m
1 stop
POA4:25 pmPorto Alegre Salgado Filho
Mar 25
POA3:25 pmPorto Alegre Salgado Filho
17h 35m
1 stop
ORD7:00 amChicago O'Hare Intl
$887
United Airlines
Mar 3
ORD2:00 pmChicago O'Hare Intl
21h 25m
2 stops
POA2:25 pmPorto Alegre Salgado Filho
Mar 25
POA5:10 pmPorto Alegre Salgado Filho
15h 50m
1 stop
ORD7:00 amChicago O'Hare Intl
$888
United Airlines
Feb 27
ORD5:50 pmChicago O'Hare Intl
17h 45m
1 stop
POA2:35 pmPorto Alegre Salgado Filho
Mar 6
POA5:10 pmPorto Alegre Salgado Filho
15h 20m
1 stop
ORD5:30 amChicago O'Hare Intl
$937

momondo 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, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Chicago to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

$716

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

$717

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 2/27

10:20 pm-12:55 am

2 stops23h 35m

Porto Alegre Salgado Filho

Fri 3/6

5:45 pm-8:20 pm

2 stops53h 35m

$760

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sun 3/1

6:00 am-6:30 am

2 stops21h 30m

Porto Alegre Salgado Filho

Sun 3/8

6:40 am-10:31 pm

2 stops17h 51m

$845

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Fri 2/27

12:45 pm-1:15 pm

2 stops21h 30m

Porto Alegre Salgado Filho

Fri 3/6

6:00 pm-10:21 am

2 stops19h 21m

$859

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 2/8

8:43 pm-8:00 am

2 stops32h 17m

Porto Alegre Salgado Filho

Fri 2/13

12:50 am-8:20 pm

2 stops22h 30m

$870

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 2/27

10:20 pm-12:55 am

2 stops23h 35m

Porto Alegre Salgado Filho

Fri 3/6

5:10 am-7:54 am

3 stops29h 44m

$872

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

5:50 pm-4:25 pm

1 stop19h 35m

Porto Alegre Salgado Filho

Wed 3/25

3:25 pm-7:00 am

1 stop17h 35m

$887

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

2:00 pm-2:25 pm

2 stops21h 25m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-7:00 am

1 stop15h 50m

$888

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Sun 2/8

10:48 am-5:00 pm

2 stops27h 12m

Porto Alegre Salgado Filho

Sat 2/14

7:45 am-10:31 pm

2 stops17h 46m

$1,091

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Chicago to Porto Alegre flights?

You could potentially save up to 57% on your flight if you consider stops on a Chicago to Porto Alegre flight.

When to book flights from Chicago to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Porto Alegre (CHI to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Porto Alegre

Fastest flight time

22h 17m

Direct flights

None
The fastest flight from Chicago to Porto Alegre takes 22h 17m
There are no direct flights from Chicago to Porto Alegre. There are no popular flight routes from Chicago to Porto Alegre.
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  • How far is Chicago to Porto Alegre Salgado Filho by plane?

    Porto Alegre Salgado Filho is 5479.0 mi away from Chicago. By plane, this route typically takes 22h 17m.

  • When did momondo last update prices for flights from Chicago to Porto Alegre Salgado Filho Airport?

    Prices for flights from Chicago to Porto Alegre Salgado Filho Airport refresh daily.

  • How old do you have to be to fly from Chicago to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Porto Alegre?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Porto Alegre. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Porto Alegre.

I’m not ready to book a flight from Chicago to Porto Alegre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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