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Cheap flights from Chicago to Porto Alegre from $324

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 6/10. 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
1 adult, Economy, 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.
Copa Airlines Logo
8:01 am - 12:20 am
ORD
-
POA
14h 19m
1 stop
Copa Airlines Logo
1:20 am - 1:02 am
POA
-
ORD
25h 42m
1 stop
$680Copa Airlines
Sun, Sep 20 - Fri, Sep 25
United Airlines Logo
5:50 pm - 4:20 pm
ORD
-
POA
19h 30m
1 stop
United Airlines Logo
5:10 pm - 5:15 am
POA
-
ORD
15h 05m
1 stop
$687United Airlines
Mon, Nov 9 - Fri, Nov 13
United Airlines Logo
6:04 pm - 2:05 pm
ORD
-
POA
17h 01m
2 stops
United Airlines Logo
5:10 pm - 5:15 am
POA
-
ORD
15h 05m
1 stop
$691United Airlines
Mon, Nov 9 - Fri, Nov 13
LATAM Airlines Logo
5:11 pm - 6:15 pm
MDW
-
POA
23h 04m
2 stops
LATAM Airlines Logo
11:05 am - 10:09 am
POA
-
MDW
25h 04m
2 stops
$696LATAM Airlines
Wed, Jun 17 - Wed, Jun 24
LATAM Airlines Logo
10:25 am - 3:35 pm
ORD
-
POA
27h 10m
2 stops
LATAM Airlines Logo
7:35 am - 11:59 pm
POA
-
ORD
18h 24m
2 stops
$698LATAM Airlines
Sat, Sep 26 - Thu, Oct 1
LATAM Airlines Logo
10:25 am - 3:35 pm
ORD
-
POA
27h 10m
2 stops
LATAM Airlines Logo
7:35 am - 11:59 pm
POA
-
ORD
18h 24m
2 stops
$700LATAM Airlines
Sat, Sep 26 - Thu, Oct 1
LATAM Airlines Logo
10:25 am - 3:35 pm
ORD
-
POA
27h 10m
2 stops
LATAM Airlines Logo
7:35 am - 8:41 am
POA
-
ORD
27h 06m
2 stops
$701LATAM Airlines
Sat, Sep 26 - Thu, Oct 1
Multiple Airlines Logo
11:20 pm - 12:40 am
ORD
-
POA
23h 20m
2 stops
Multiple Airlines Logo
7:40 pm - 9:20 pm
POA
-
ORD
27h 40m
2 stops
$760Multiple Airlines
Sun, Sep 20 - Sat, Sep 26
Multiple Airlines Logo
11:20 pm - 8:10 pm
ORD
-
POA
18h 50m
2 stops
Multiple Airlines Logo
7:40 pm - 9:20 pm
POA
-
ORD
27h 40m
2 stops
$761Multiple Airlines
Sun, Sep 20 - Sat, Sep 26
GOL Logo
11:20 pm - 9:30 am
ORD
-
POA
32h 10m
2 stops
GOL Logo
6:30 pm - 9:20 pm
POA
-
ORD
28h 50m
2 stops
$763GOL
Sun, Sep 20 - Sat, Sep 26

Copa Airlines flights from Chicago to Porto Alegre

Our best Copa Airlines deals on Chicago to Porto Alegre flight tickets
Copa Airlines
Sep 20
ORD8:01 amChicago O'Hare Intl
14h 19m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 25
POA1:20 amPorto Alegre Salgado Filho
25h 42m
1 stop
ORD1:02 amChicago O'Hare Intl
$680
Copa Airlines
Jun 10
ORD3:21 pmChicago O'Hare Intl
30h 59m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Jul 14
POA1:15 amPorto Alegre Salgado Filho
28h 45m
1 stop
ORD4:00 amChicago O'Hare Intl
$851
Copa Airlines
Sep 26
ORD3:20 pmChicago O'Hare Intl
31h 00m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 30
POA1:20 amPorto Alegre Salgado Filho
25h 37m
1 stop
ORD12:57 amChicago O'Hare Intl
$860

United Airlines flights from Chicago to Porto Alegre

Our best United Airlines deals on Chicago to Porto Alegre flight tickets
United Airlines
Nov 9
ORD5:50 pmChicago O'Hare Intl
19h 30m
1 stop
POA4:20 pmPorto Alegre Salgado Filho
Nov 13
POA5:10 pmPorto Alegre Salgado Filho
15h 05m
1 stop
ORD5:15 amChicago O'Hare Intl
$687
United Airlines
Jun 9
ORD12:45 pmChicago O'Hare Intl
23h 35m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Jun 24
POA5:10 pmPorto Alegre Salgado Filho
15h 35m
1 stop
ORD6:45 amChicago O'Hare Intl
$689
United Airlines
Nov 9
ORD6:04 pmChicago O'Hare Intl
17h 01m
2 stops
POA2:05 pmPorto Alegre Salgado Filho
Nov 13
POA5:10 pmPorto Alegre Salgado Filho
15h 05m
1 stop
ORD5:15 amChicago O'Hare Intl
$691

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 June 4, 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

Cheapest round-trip

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 9/20

8:01 am-12:20 am

1 stop14h 19m

Porto Alegre Salgado Filho

Fri 9/25

1:20 am-1:02 am

1 stop25h 42m

$680

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 11/9

5:50 pm-4:20 pm

1 stop19h 30m

Porto Alegre Salgado Filho

Fri 11/13

5:10 pm-5:15 am

1 stop15h 05m

$687
Quickest round-trip

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 11/9

6:04 pm-2:05 pm

2 stops17h 01m

Porto Alegre Salgado Filho

Fri 11/13

5:10 pm-5:15 am

1 stop15h 05m

$691

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

Wed 6/17

5:11 pm-6:15 pm

2 stops23h 04m

Porto Alegre Salgado Filho

Wed 6/24

11:05 am-10:09 am

2 stops25h 04m

$696

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sat 9/26

10:25 am-3:35 pm

2 stops27h 10m

Porto Alegre Salgado Filho

Thu 10/1

7:35 am-11:59 pm

2 stops18h 24m

$698

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sat 9/26

10:25 am-3:35 pm

2 stops27h 10m

Porto Alegre Salgado Filho

Thu 10/1

7:35 am-11:59 pm

2 stops18h 24m

$700

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sat 9/26

10:25 am-3:35 pm

2 stops27h 10m

Porto Alegre Salgado Filho

Thu 10/1

7:35 am-8:41 am

2 stops27h 06m

$701

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 9/20

11:20 pm-12:40 am

2 stops23h 20m

Porto Alegre Salgado Filho

Sat 9/26

7:40 pm-9:20 pm

2 stops27h 40m

$760

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 9/20

11:20 pm-8:10 pm

2 stops18h 50m

Porto Alegre Salgado Filho

Sat 9/26

7:40 pm-9:20 pm

2 stops27h 40m

$761

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sun 9/20

11:20 pm-9:30 am

2 stops32h 10m

Porto Alegre Salgado Filho

Sat 9/26

6:30 pm-9:20 pm

2 stops28h 50m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 4% 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

16h 50m

Direct flights

None
The fastest flight from Chicago to Porto Alegre takes 16h 50m
There are no direct flights from Chicago to Porto Alegre. There are no popular flight routes from Chicago to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Chicago to Porto Alegre

  • 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 16h 50m.

  • 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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