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Cheap flights from Chicago to Porto Alegre from $341

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 11/7. 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.
United Airlines Logo
5:50 pm - 4:10 pmORD-POA
19h 20m1 stop
United Airlines Logo
5:10 pm - 9:44 amPOA-ORD
18h 34m2 stops
$697United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 25
United Airlines Logo
5:50 pm - 2:35 pmORD-POA
17h 45m1 stop
United Airlines Logo
6:10 pm - 5:30 amPOA-ORD
14h 20m1 stop
$713United Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 17
GOL Logo
2:05 pm - 8:40 amORD-POA
39h 35m2 stops
GOL Logo
5:20 pm - 9:02 amPOA-ORD
18h 42m2 stops
$737GOL
Find Deal
Tue, Feb 3 - Tue, Feb 17
Air Canada Logo
12:50 pm - 4:10 pmORD-POA
24h 20m2 stops
Air Canada Logo
5:10 pm - 11:18 amPOA-ORD
20h 08m2 stops
$746Air Canada
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Tue, Mar 3 - Wed, Mar 25
GOL Logo
1:35 pm - 10:50 amORD-POA
42h 15m2 stops
GOL Logo
5:20 pm - 11:59 pmPOA-ORD
33h 39m2 stops
$801GOL
Find Deal
Mon, Mar 2 - Fri, Mar 6
Air Canada Logo
7:15 am - 6:20 pmORD-POA
32h 05m2 stops
Air Canada Logo
3:25 pm - 10:57 amPOA-ORD
21h 32m2 stops
$1,013Air Canada
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Tue, Feb 10 - Thu, Apr 2
Multiple Airlines Logo
2:05 pm - 5:50 pmORD-POA
48h 45m2 stops
Multiple Airlines Logo
12:35 pm - 3:10 pmPOA-ORD
28h 35m3 stops
$1,028Multiple Airlines
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Tue, Feb 10 - Thu, Apr 2
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
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Tue, Mar 3 - Tue, Mar 24
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
$1,118Copa Airlines
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Tue, Feb 3 - Mon, Feb 16
Multiple Airlines Logo
12:09 pm - 9:20 pmORD-POA
30h 11m3 stops
Multiple Airlines Logo
5:15 am - 5:00 pmPOA-ORD
38h 45m3 stops
$1,504Multiple Airlines
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Fri, Dec 19 - Sun, Dec 28

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 20m
1 stop
POA4:10 pmPorto Alegre Salgado Filho
Mar 25
POA5:10 pmPorto Alegre Salgado Filho
18h 34m
2 stops
ORD9:44 amChicago O'Hare Intl
$697
Find similar
United Airlines
Feb 3
ORD5:50 pmChicago O'Hare Intl
17h 45m
1 stop
POA2:35 pmPorto Alegre Salgado Filho
Feb 17
POA6:10 pmPorto Alegre Salgado Filho
14h 20m
1 stop
ORD5:30 amChicago O'Hare Intl
$713
Find similar
United Airlines
Apr 1
ORD4:15 pmChicago O'Hare Intl
20h 20m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
Apr 15
POA3:25 pmPorto Alegre Salgado Filho
17h 20m
1 stop
ORD6:45 amChicago O'Hare Intl
$717
Find similar

GOL flights from Chicago to Porto Alegre

Our best GOL deals on Chicago to Porto Alegre flight tickets
GOL
Feb 3
ORD2:05 pmChicago O'Hare Intl
39h 35m
2 stops
POA8:40 amPorto Alegre Salgado Filho
Feb 17
POA5:20 pmPorto Alegre Salgado Filho
18h 42m
2 stops
ORD9:02 amChicago O'Hare Intl
$737
Find similar
GOL
Mar 2
ORD1:35 pmChicago O'Hare Intl
42h 15m
2 stops
POA10:50 amPorto Alegre Salgado Filho
Mar 6
POA5:20 pmPorto Alegre Salgado Filho
33h 39m
2 stops
ORD11:59 pmChicago O'Hare Intl
$801
Find similar
GOL
Dec 24
ORD1:15 pmChicago O'Hare Intl
32h 10m
2 stops
POA12:25 amPorto Alegre Salgado Filho
Jan 11
POA4:30 amPorto Alegre Salgado Filho
33h 21m
2 stops
ORD10:51 amChicago O'Hare Intl
$1,493
Find similar

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 October 14, 2025.
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

5:50 pm-4:10 pm

1 stop19h 20m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-9:44 am

2 stops18h 34m

$697

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 2/3

5:50 pm-2:35 pm

1 stop17h 45m

Porto Alegre Salgado Filho

Tue 2/17

6:10 pm-5:30 am

1 stop14h 20m

$713

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 2/3

2:05 pm-8:40 am

2 stops39h 35m

Porto Alegre Salgado Filho

Tue 2/17

5:20 pm-9:02 am

2 stops18h 42m

$737

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 3/3

12:50 pm-4:10 pm

2 stops24h 20m

Porto Alegre Salgado Filho

Wed 3/25

5:10 pm-11:18 am

2 stops20h 08m

$746

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 3/2

1:35 pm-10:50 am

2 stops42h 15m

Porto Alegre Salgado Filho

Fri 3/6

5:20 pm-11:59 pm

2 stops33h 39m

$801

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 2/10

7:15 am-6:20 pm

2 stops32h 05m

Porto Alegre Salgado Filho

Thu 4/2

3:25 pm-10:57 am

2 stops21h 32m

$1,013

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 2/10

2:05 pm-5:50 pm

2 stops48h 45m

Porto Alegre Salgado Filho

Thu 4/2

12:35 pm-3:10 pm

3 stops28h 35m

$1,028

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 2/3

7:34 am-12:25 am

1 stop13h 51m

Porto Alegre Salgado Filho

Mon 2/16

1:30 am-12:31 pm

1 stop14h 01m

$1,118

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Fri 12/19

12:09 pm-9:20 pm

3 stops30h 11m

Porto Alegre Salgado Filho

Sun 12/28

5:15 am-5:00 pm

3 stops38h 45m

$1,504

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

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 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 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 in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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 13h 51m.

  • 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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