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Cheap flights from Chicago O'Hare Intl Airport to Porto Alegre from $325

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 O'Hare Intl Airport to Porto Alegre departing on 6/30. 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 O'Hare Intl Airport to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 pm - 6:20 pm
ORD
-
POA
42h 35m
2 stops
Multiple Airlines Logo
6:30 pm - 6:45 am
POA
-
ORD
14h 15m
1 stop
$669Multiple Airlines
Sat, Oct 10 - Sun, Oct 18
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
9:30 pm - 2:35 pm
ORD
-
POA
15h 05m
1 stop
United Airlines Logo
3:30 pm - 6:45 am
POA
-
ORD
17h 15m
1 stop
$687United Airlines
Fri, Jun 12 - Tue, Jun 23
United Airlines Logo
3:00 pm - 4:10 pm
ORD
-
POA
23h 10m
2 stops
United Airlines Logo
5:10 pm - 6:45 am
POA
-
ORD
15h 35m
1 stop
$689United Airlines
Fri, Jun 12 - Wed, Jun 24
United Airlines Logo
8:55 am - 4:20 pm
ORD
-
POA
28h 25m
2 stops
United Airlines Logo
3:25 pm - 5:15 am
POA
-
ORD
16h 50m
1 stop
$691United Airlines
Mon, Nov 9 - Fri, Nov 13
United Airlines Logo
4:00 pm - 2:35 pm
ORD
-
POA
20h 35m
2 stops
United Airlines Logo
5:10 pm - 9:36 am
POA
-
ORD
18h 26m
2 stops
$694United Airlines
Fri, Jun 12 - Mon, Jun 22
LATAM Airlines Logo
10:25 am - 3:35 pm
ORD
-
POA
27h 10m
2 stops
LATAM Airlines Logo
7:35 am - 10:09 am
POA
-
ORD
28h 34m
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
United Airlines Logo
6:04 pm - 2:05 pm
ORD
-
POA
17h 01m
2 stops
United Airlines Logo
5:10 pm - 10:47 am
POA
-
ORD
20h 37m
2 stops
$702United Airlines
Mon, Nov 9 - Fri, Nov 13

Copa Airlines flights from Chicago O'Hare Intl Airport to Porto Alegre

Our best Copa Airlines deals on Chicago O'Hare Intl Airport 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
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
$720
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

LATAM Airlines flights from Chicago O'Hare Intl Airport to Porto Alegre

Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Porto Alegre flight tickets
LATAM Airlines
Sep 26
ORD10:25 amChicago O'Hare Intl
27h 10m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
Oct 1
POA7:35 amPorto Alegre Salgado Filho
28h 34m
2 stops
ORD10:09 amChicago O'Hare Intl
$698
LATAM Airlines
Sep 26
ORD10:25 amChicago O'Hare Intl
27h 10m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
Oct 1
POA7:35 amPorto Alegre Salgado Filho
18h 24m
2 stops
ORD11:59 pmChicago O'Hare Intl
$700
LATAM Airlines
Sep 26
ORD10:25 amChicago O'Hare Intl
27h 10m
2 stops
POA3:35 pmPorto Alegre Salgado Filho
Oct 1
POA7:35 amPorto Alegre Salgado Filho
27h 06m
2 stops
ORD8:41 amChicago O'Hare Intl
$701

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 2, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Sat 10/10

9:45 pm-6:20 pm

2 stops42h 35m

Porto Alegre Salgado Filho

Sun 10/18

6:30 pm-6:45 am

1 stop14h 15m

$669

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
Quickest round-trip

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 6/12

9:30 pm-2:35 pm

1 stop15h 05m

Porto Alegre Salgado Filho

Tue 6/23

3:30 pm-6:45 am

1 stop17h 15m

$687

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 6/12

3:00 pm-4:10 pm

2 stops23h 10m

Porto Alegre Salgado Filho

Wed 6/24

5:10 pm-6:45 am

1 stop15h 35m

$689

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 11/9

8:55 am-4:20 pm

2 stops28h 25m

Porto Alegre Salgado Filho

Fri 11/13

3:25 pm-5:15 am

1 stop16h 50m

$691

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 6/12

4:00 pm-2:35 pm

2 stops20h 35m

Porto Alegre Salgado Filho

Mon 6/22

5:10 pm-9:36 am

2 stops18h 26m

$694

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-10:09 am

2 stops28h 34m

$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

Mon 11/9

6:04 pm-2:05 pm

2 stops17h 01m

Porto Alegre Salgado Filho

Fri 11/13

5:10 pm-10:47 am

2 stops20h 37m

$702

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 O'Hare Intl Airport 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 O'Hare Intl Airport to Porto Alegre flights?

You could potentially save up to 4% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Porto Alegre flight.

When to book flights from Chicago O'Hare Intl Airport to Porto Alegre

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

Cheap Chicago O'Hare Intl Airport to Porto Alegre (ORD to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Porto Alegre

Fastest flight time

16h 50m

Direct flights

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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Porto Alegre

  • How far is Chicago O'Hare Intl to Porto Alegre Salgado Filho by plane?

    Porto Alegre Salgado Filho is 5492.6 mi away from Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 16h 50m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Porto Alegre Salgado Filho Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 you'll need for your trip to Porto Alegre Salgado Filho Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Porto Alegre. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Chicago to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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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