Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Porto Alegre from $544

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 11/23. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Air Canada Logo
3:35 pm - 2:20 pmORD-POA
19h 45m2 stops
Air Canada Logo
5:10 pm - 11:18 amPOA-ORD
20h 08m2 stops
$750Air Canada
Find Deal
Tue, Mar 3 - Wed, Mar 25
Air Canada Logo
3:35 pm - 4:30 pmORD-POA
21h 55m2 stops
Air Canada Logo
5:10 pm - 11:18 amPOA-ORD
20h 08m2 stops
$754Air Canada
Find Deal
Tue, Mar 3 - Wed, Mar 25
GOL Logo
1:35 pm - 12:45 amORD-POA
32h 10m2 stops
GOL Logo
5:20 pm - 9:21 pmPOA-ORD
31h 01m2 stops
$801GOL
Find Deal
Mon, Mar 2 - Fri, Mar 6
Copa Airlines Logo
7:34 am - 12:25 amORD-POA
13h 51m1 stop
Copa Airlines Logo
1:30 am - 1:31 pmPOA-ORD
14h 01m1 stop
$1,058Copa Airlines
Find Deal
Tue, Mar 3 - Tue, Mar 24
United Airlines Logo
6:25 pm - 4:10 pmORD-POA
18h 45m2 stops
United Airlines Logo
5:10 pm - 7:00 amPOA-ORD
15h 50m1 stop
$1,059United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 25
United Airlines Logo
5:50 pm - 4:10 pmORD-POA
19h 20m1 stop
United Airlines Logo
3:25 pm - 7:00 amPOA-ORD
17h 35m1 stop
$1,065United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 25
United Airlines Logo
5:50 pm - 4:10 pmORD-POA
19h 20m1 stop
United Airlines Logo
3:25 pm - 10:07 amPOA-ORD
21h 42m2 stops
$1,153United Airlines
Find Deal
Mon, Mar 2 - Fri, Mar 6
Copa Airlines Logo
7:34 am - 12:25 amORD-POA
13h 51m1 stop
Copa Airlines Logo
1:30 am - 12:04 amPOA-ORD
25h 34m1 stop
$1,156Copa Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 5
Copa Airlines Logo
7:34 am - 12:25 amORD-POA
13h 51m1 stop
Copa Airlines Logo
1:30 am - 12:31 pmPOA-ORD
14h 01m1 stop
$1,176Copa Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
4:39 pm - 11:00 amORD-POA
39h 21m2 stops
American Airlines Logo
7:30 pm - 12:11 pmPOA-ORD
19h 41m2 stops
$2,998American Airlines
Find Deal
Sat, Dec 6 - Sat, Jan 10

Air Canada flights from Chicago O'Hare Intl Airport to Porto Alegre

Our best Air Canada deals on Chicago O'Hare Intl Airport to Porto Alegre flight tickets
Air Canada
Mar 3
ORD3:35 pmChicago O'Hare Intl
19h 45m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Mar 25
POA5:10 pmPorto Alegre Salgado Filho
20h 08m
2 stops
ORD11:18 amChicago O'Hare Intl
$750
Find similar
Air Canada
Mar 3
ORD3:35 pmChicago O'Hare Intl
21h 55m
2 stops
POA4:30 pmPorto Alegre Salgado Filho
Mar 25
POA5:10 pmPorto Alegre Salgado Filho
20h 08m
2 stops
ORD11:18 amChicago O'Hare Intl
$754
Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Porto Alegre flight tickets
United Airlines
Mar 3
ORD6:25 pmChicago O'Hare Intl
18h 45m
2 stops
POA4:10 pmPorto Alegre Salgado Filho
Mar 25
POA5:10 pmPorto Alegre Salgado Filho
15h 50m
1 stop
ORD7:00 amChicago O'Hare Intl
$1,059
Find similar
United Airlines
Mar 3
ORD5:50 pmChicago O'Hare Intl
19h 20m
1 stop
POA4:10 pmPorto Alegre Salgado Filho
Mar 25
POA3:25 pmPorto Alegre Salgado Filho
17h 35m
1 stop
ORD7:00 amChicago O'Hare Intl
$1,065
Find similar
United Airlines
Mar 2
ORD5:50 pmChicago O'Hare Intl
19h 20m
1 stop
POA4:10 pmPorto Alegre Salgado Filho
Mar 6
POA3:25 pmPorto Alegre Salgado Filho
21h 42m
2 stops
ORD10:07 amChicago O'Hare Intl
$1,153
Find similar

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 November 4, 2025.
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

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

3:35 pm-2:20 pm

2 stops19h 45m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-11:18 am

2 stops20h 08m

$750

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

3:35 pm-4:30 pm

2 stops21h 55m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-11:18 am

2 stops20h 08m

$754

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

1:35 pm-12:45 am

2 stops32h 10m

Porto Alegre Salgado Filho

Fri 3/6

5:20 pm-9:21 pm

2 stops31h 01m

$801

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

$1,058

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

6:25 pm-4:10 pm

2 stops18h 45m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-7:00 am

1 stop15h 50m

$1,059

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

5:50 pm-4:10 pm

1 stop19h 20m

Porto Alegre Salgado Filho

Wed 3/25

3:25 pm-7:00 am

1 stop17h 35m

$1,065

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

5:50 pm-4:10 pm

1 stop19h 20m

Porto Alegre Salgado Filho

Fri 3/6

3:25 pm-10:07 am

2 stops21h 42m

$1,153

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

7:34 am-12:25 am

1 stop13h 51m

Porto Alegre Salgado Filho

Thu 3/5

1:30 am-12:04 am

1 stop25h 34m

$1,156

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

7:34 am-12:25 am

1 stop13h 51m

Porto Alegre Salgado Filho

Thu 3/5

1:30 am-12:31 pm

1 stop14h 01m

$1,176

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Sat 12/6

4:39 pm-11:00 am

2 stops39h 21m

Porto Alegre Salgado Filho

Sat 1/10

7:30 pm-12:11 pm

2 stops19h 41m

$2,998

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Porto Alegre from

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

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Tuesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $1,187. On the other hand, Thursday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,462.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the morning. Flights from Chicago O'Hare Intl Airport to Porto Alegre during this time can be as low as $1,145. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,317 on average. Flights to Porto Alegre from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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

  • 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 13h 51m.

  • 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.

An easier way to manage your Porto Alegre trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Brazil