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Cheap flights from Chicago to Porto Alegre from $294

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.

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
8:02 am - 12:20 am
ORD
-
POA
14h 18m
1 stop
Copa Airlines Logo
1:20 am - 2:06 pm
POA
-
ORD
14h 46m
1 stop
$618Copa Airlines
Wed, Jun 17 - Tue, Jun 23
LATAM Airlines Logo
3:22 pm - 6:45 pm
ORD
-
POA
25h 23m
2 stops
LATAM Airlines Logo
5:50 pm - 2:15 pm
POA
-
ORD
22h 25m
2 stops
$700LATAM Airlines
Wed, Jun 17 - Wed, Jun 24
LATAM Airlines Logo
3:22 pm - 6:45 pm
ORD
-
POA
25h 23m
2 stops
LATAM Airlines Logo
5:50 pm - 12:20 pm
POA
-
ORD
20h 30m
2 stops
$701LATAM Airlines
Wed, Jun 17 - Wed, Jun 24
LATAM Airlines Logo
1:15 pm - 2:15 pm
ORD
-
POA
23h 00m
2 stops
LATAM Airlines Logo
2:00 pm - 10:04 am
POA
-
ORD
22h 04m
2 stops
$761LATAM Airlines
Tue, Aug 11 - Thu, Aug 13
GOL Logo
11:20 pm - 11:40 pm
ORD
-
POA
22h 20m
2 stops
GOL Logo
6:25 pm - 9:20 pm
POA
-
ORD
28h 55m
2 stops
$789GOL
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
11:20 pm - 11:55 pm
ORD
-
POA
22h 35m
2 stops
Multiple Airlines Logo
2:20 pm - 9:20 pm
POA
-
ORD
33h 00m
3 stops
$1,011Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Avianca Logo
11:20 pm - 11:55 pm
ORD
-
POA
22h 35m
2 stops
Avianca Logo
11:20 am - 9:20 pm
POA
-
ORD
36h 00m
2 stops
$1,225Avianca
Tue, Aug 11 - Thu, Aug 13
United Airlines Logo
9:30 pm - 4:20 pm
ORD
-
POA
16h 50m
1 stop
United Airlines Logo
5:10 pm - 6:45 am
POA
-
ORD
15h 35m
1 stop
$2,287United Airlines
Mon, Aug 10 - Mon, Aug 17
United Airlines Logo
9:30 pm - 2:20 pm
ORD
-
POA
14h 50m
1 stop
United Airlines Logo
3:25 pm - 6:45 am
POA
-
ORD
17h 20m
1 stop
$2,707United Airlines
Tue, Aug 11 - Thu, Aug 13
Multiple Airlines Logo
3:21 pm - 12:15 am
ORD
-
POA
30h 54m
1 stop
Multiple Airlines Logo
2:20 pm - 2:55 pm
POA
-
ORD
26h 35m
2 stops
$9,535Multiple Airlines
Mon, Aug 10 - Mon, Aug 17

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Copa Airlines flights from Chicago to Porto Alegre

Our best Copa Airlines deals on Chicago to Porto Alegre flight tickets
Copa Airlines
Jun 17
ORD8:02 amChicago O'Hare Intl
14h 18m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Jun 23
POA1:20 amPorto Alegre Salgado Filho
14h 46m
1 stop
ORD2:06 pmChicago O'Hare Intl
$618
Copa Airlines
Apr 26
ORD3:05 pmChicago O'Hare Intl
31h 15m
1 stop
POA12:20 amPorto Alegre Salgado Filho
May 4
POA1:20 amPorto Alegre Salgado Filho
25h 55m
1 stop
ORD1:15 amChicago O'Hare Intl
$728
Copa Airlines
Apr 24
ORD8:06 amChicago O'Hare Intl
14h 14m
1 stop
POA12:20 amPorto Alegre Salgado Filho
May 4
POA1:20 amPorto Alegre Salgado Filho
25h 55m
1 stop
ORD1:15 amChicago O'Hare Intl
$882

LATAM Airlines flights from Chicago to Porto Alegre

Our best LATAM Airlines deals on Chicago to Porto Alegre flight tickets
LATAM Airlines
Jun 17
ORD3:22 pmChicago O'Hare Intl
25h 23m
2 stops
POA6:45 pmPorto Alegre Salgado Filho
Jun 24
POA5:50 pmPorto Alegre Salgado Filho
22h 25m
2 stops
ORD2:15 pmChicago O'Hare Intl
$700
LATAM Airlines
Jun 17
ORD3:22 pmChicago O'Hare Intl
25h 23m
2 stops
POA6:45 pmPorto Alegre Salgado Filho
Jun 24
POA5:50 pmPorto Alegre Salgado Filho
20h 30m
2 stops
ORD12:20 pmChicago O'Hare Intl
$701
LATAM Airlines
Aug 11
ORD1:15 pmChicago O'Hare Intl
23h 00m
2 stops
POA2:15 pmPorto Alegre Salgado Filho
Aug 13
POA2:00 pmPorto Alegre Salgado Filho
22h 04m
2 stops
ORD10:04 amChicago O'Hare Intl
$761

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 April 19, 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
Quickest round-trip

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 6/17

8:02 am-12:20 am

1 stop14h 18m

Porto Alegre Salgado Filho

Tue 6/23

1:20 am-2:06 pm

1 stop14h 46m

$618

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 6/17

3:22 pm-6:45 pm

2 stops25h 23m

Porto Alegre Salgado Filho

Wed 6/24

5:50 pm-2:15 pm

2 stops22h 25m

$700

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Wed 6/17

3:22 pm-6:45 pm

2 stops25h 23m

Porto Alegre Salgado Filho

Wed 6/24

5:50 pm-12:20 pm

2 stops20h 30m

$701

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 8/11

1:15 pm-2:15 pm

2 stops23h 00m

Porto Alegre Salgado Filho

Thu 8/13

2:00 pm-10:04 am

2 stops22h 04m

$761

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 8/10

11:20 pm-11:40 pm

2 stops22h 20m

Porto Alegre Salgado Filho

Mon 8/17

6:25 pm-9:20 pm

2 stops28h 55m

$789

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 8/10

11:20 pm-11:55 pm

2 stops22h 35m

Porto Alegre Salgado Filho

Mon 8/17

2:20 pm-9:20 pm

3 stops33h 00m

$1,011

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 8/11

11:20 pm-11:55 pm

2 stops22h 35m

Porto Alegre Salgado Filho

Thu 8/13

11:20 am-9:20 pm

2 stops36h 00m

$1,225

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 8/10

9:30 pm-4:20 pm

1 stop16h 50m

Porto Alegre Salgado Filho

Mon 8/17

5:10 pm-6:45 am

1 stop15h 35m

$2,287

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Tue 8/11

9:30 pm-2:20 pm

1 stop14h 50m

Porto Alegre Salgado Filho

Thu 8/13

3:25 pm-6:45 am

1 stop17h 20m

$2,707

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

Mon 8/10

3:21 pm-12:15 am

1 stop30h 54m

Porto Alegre Salgado Filho

Mon 8/17

2:20 pm-2:55 pm

2 stops26h 35m

$9,535

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 13% 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 35m

Direct flights

None
The fastest flight from Chicago to Porto Alegre takes 22h 35m
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 22h 35m.

  • 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.

  • What is the most popular airline from Chicago to Porto Alegre?

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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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