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Cheap flights from Chicago to Porto Alegre from $390

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 8/20. 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

Logo
7:10 am - 12:55 amORD-POA
39h 45m2 stops
Logo
9:50 pm - 10:10 amPOA-ORD
38h 20m2 stops
$679
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mar., sep. 30 - mar., oct. 21
Logo
6:44 pm - 11:55 pmORD-POA
27h 11m2 stops
Logo
8:55 pm - 9:58 pmPOA-ORD
27h 03m3 stops
$694
Find Deal
mar., sep. 30 - mar., oct. 21
GOL Logo
2:35 pm - 12:30 amORD-POA
31h 55m2 stops
GOL Logo
11:05 am - 1:15 pmPOA-ORD
28h 10m2 stops
$711GOL
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mar., sep. 30 - mar., oct. 21
GOL Logo
2:35 pm - 5:05 pmORD-POA
24h 30m2 stops
GOL Logo
6:35 pm - 1:15 pmPOA-ORD
20h 40m2 stops
$714GOL
Find Deal
mar., sep. 30 - mar., oct. 21
Copa Airlines Logo
8:02 am - 12:20 amORD-POA
14h 18m1 stop
Copa Airlines Logo
1:25 am - 1:41 pmPOA-ORD
14h 16m1 stop
$1,007Copa Airlines
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mar., sep. 30 - lun., oct. 20
United Airlines Logo
9:15 pm - 2:35 pmORD-POA
15h 20m1 stop
United Airlines Logo
3:25 pm - 6:45 amPOA-ORD
17h 20m1 stop
$1,010United Airlines
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mar., sep. 30 - mar., oct. 21
Copa Airlines Logo
8:02 am - 12:20 amORD-POA
14h 18m1 stop
Copa Airlines Logo
1:25 am - 1:41 pmPOA-ORD
14h 16m1 stop
$1,019Copa Airlines
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mar., sep. 30 - lun., oct. 20
United Airlines Logo
3:58 pm - 4:10 pmORD-POA
22h 12m2 stops
United Airlines Logo
3:25 pm - 6:45 amPOA-ORD
17h 20m1 stop
$1,029United Airlines
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mar., sep. 30 - mar., oct. 21
LATAM Airlines Logo
9:30 am - 6:30 amORD-POA
18h 00m2 stops
LATAM Airlines Logo
4:40 am - 11:58 pmPOA-ORD
22h 18m2 stops
$1,106LATAM Airlines
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mié., dic. 10 - lun., dic. 29
LATAM Airlines Logo
10:35 am - 6:30 amMDW-POA
16h 55m2 stops
LATAM Airlines Logo
4:40 am - 10:05 pmPOA-MDW
20h 25m2 stops
$1,106LATAM Airlines
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mié., dic. 10 - lun., dic. 29

American Airlines flights from Chicago to Porto Alegre

Our best American Airlines deals on Chicago to Porto Alegre flight tickets
American Airlines
Dec 12
ORD4:48 pmChicago O'Hare Intl
40h 42m
2 stops
POA12:30 pmPorto Alegre Salgado Filho
Dec 29
POA7:20 pmPorto Alegre Salgado Filho
39h 22m
2 stops
ORD7:42 amChicago O'Hare Intl
$1,459
Find similar
American Airlines
Dec 11
ORD7:24 amChicago O'Hare Intl
30h 01m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Dec 29
POA7:20 pmPorto Alegre Salgado Filho
28h 25m
2 stops
ORD8:45 pmChicago O'Hare Intl
$1,497
Find similar
American Airlines
Dec 12
ORD4:48 pmChicago O'Hare Intl
40h 42m
2 stops
POA12:30 pmPorto Alegre Salgado Filho
Dec 30
POA5:55 pmPorto Alegre Salgado Filho
23h 05m
2 stops
ORD2:00 pmChicago O'Hare Intl
$1,516
Find similar

Delta flights from Chicago to Porto Alegre

Our best Delta deals on Chicago to Porto Alegre flight tickets
Delta
Dec 10
MDW10:35 amChicago Midway
16h 55m
2 stops
POA6:30 amPorto Alegre Salgado Filho
Dec 31
POA6:00 pmPorto Alegre Salgado Filho
23h 35m
2 stops
MDW2:35 pmChicago Midway
$1,290
Find similar
Delta
Aug 16
ORD9:47 amChicago O'Hare Intl
18h 38m
2 stops
POA6:25 amPorto Alegre Salgado Filho
Aug 24
POA6:40 amPorto Alegre Salgado Filho
19h 16m
2 stops
ORD11:56 pmChicago O'Hare Intl
$1,652
Find similar
Delta
Aug 16
MDW10:31 amChicago Midway
17h 54m
2 stops
POA6:25 amPorto Alegre Salgado Filho
Aug 24
POA6:40 amPorto Alegre Salgado Filho
17h 04m
2 stops
MDW9:44 pmChicago Midway
$1,788
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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 agosto 7, 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

mar. 9/30

7:10 am-12:55 am

2 stops39h 45m

Porto Alegre Salgado Filho

mar. 10/21

9:50 pm-10:10 am

2 stops38h 20m

$679

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

6:44 pm-11:55 pm

2 stops27h 11m

Porto Alegre Salgado Filho

mar. 10/21

8:55 pm-9:58 pm

3 stops27h 03m

$694

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

2:35 pm-12:30 am

2 stops31h 55m

Porto Alegre Salgado Filho

mar. 10/21

11:05 am-1:15 pm

2 stops28h 10m

$711

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

2:35 pm-5:05 pm

2 stops24h 30m

Porto Alegre Salgado Filho

mar. 10/21

6:35 pm-1:15 pm

2 stops20h 40m

$714

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

8:02 am-12:20 am

1 stop14h 18m

Porto Alegre Salgado Filho

lun. 10/20

1:25 am-1:41 pm

1 stop14h 16m

$1,007

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

9:15 pm-2:35 pm

1 stop15h 20m

Porto Alegre Salgado Filho

mar. 10/21

3:25 pm-6:45 am

1 stop17h 20m

$1,010

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

8:02 am-12:20 am

1 stop14h 18m

Porto Alegre Salgado Filho

lun. 10/20

1:25 am-1:41 pm

1 stop14h 16m

$1,019

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mar. 9/30

3:58 pm-4:10 pm

2 stops22h 12m

Porto Alegre Salgado Filho

mar. 10/21

3:25 pm-6:45 am

1 stop17h 20m

$1,029

ChicagoPorto Alegre

ORD - POA

ORDPOA

Chicago O'Hare Intl

mié. 12/10

9:30 am-6:30 am

2 stops18h 00m

Porto Alegre Salgado Filho

lun. 12/29

4:40 am-11:58 pm

2 stops22h 18m

$1,106

ChicagoPorto Alegre

MDW - POA

MDWPOA

Chicago Midway

mié. 12/10

10:35 am-6:30 am

2 stops16h 55m

Porto Alegre Salgado Filho

lun. 12/29

4:40 am-10:05 pm

2 stops20h 25m

$1,106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

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

Best Price Found

$390

Fastest flight time

14h 18m

Direct flights

None

Airports in Porto Alegre

1 airport
The best one-way flight to Porto Alegre from Chicago in the past 72 hours is $390. The best round-trip flight deal from Chicago to Porto Alegre found on momondo in the last 72 hours is $679.
The fastest flight from Chicago to Porto Alegre takes 14h 18m
There are no direct flights from Chicago to Porto Alegre. Popular non-direct routes for this connection are Chicago Midway Airport - Porto Alegre Salgado Filho Airport and Chicago O'Hare Intl Airport - Porto Alegre Salgado Filho Airport.
There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)
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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 14h 18m.

  • 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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