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Cheap flights from Portugal to Chicago from $396

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Chicago departing on 3/18. 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

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Find the cheapest flights from Portugal to Chicago

Recent round-trip flight deals from Portugal to Chicago

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:35 am - 9:40 am
LIS
-
MDW
28h 05m
1 stop
Multiple Airlines Logo
7:30 am - 11:05 pm
MDW
-
LIS
33h 35m
2 stops
$798Multiple Airlines
Mon, May 4 - Wed, May 13
Delta Logo
5:00 am - 5:37 pm
LIS
-
MDW
18h 37m
2 stops
Delta Logo
1:10 pm - 10:35 am
MDW
-
LIS
16h 25m
2 stops
$832Delta
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
5:10 pm - 1:56 pm
LIS
-
MDW
26h 46m
1 stop
Multiple Airlines Logo
7:30 am - 3:00 pm
MDW
-
LIS
26h 30m
2 stops
$842Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
11:35 am - 9:40 am
LIS
-
MDW
28h 05m
1 stop
Multiple Airlines Logo
7:30 am - 10:15 am
MDW
-
LIS
20h 45m
1 stop
$845Multiple Airlines
Mon, May 4 - Wed, May 13
Delta Logo
5:30 am - 4:14 pm
LIS
-
MDW
16h 44m
2 stops
Delta Logo
1:28 pm - 2:35 pm
MDW
-
LIS
19h 07m
2 stops
$926Delta
Sat, Feb 21 - Sun, Mar 1
Delta Logo
5:00 am - 4:14 pm
LIS
-
MDW
17h 14m
2 stops
Delta Logo
1:28 pm - 2:35 pm
MDW
-
LIS
19h 07m
2 stops
$928Delta
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
6:25 pm - 9:40 am
LIS
-
MDW
21h 15m
2 stops
Multiple Airlines Logo
7:30 am - 5:30 am
MDW
-
LIS
16h 00m
1 stop
$992Multiple Airlines
Sun, May 3 - Thu, May 14
Multiple Airlines Logo
5:10 pm - 1:56 pm
LIS
-
MDW
26h 46m
1 stop
Multiple Airlines Logo
11:00 am - 7:10 am
MDW
-
LIS
15h 10m
2 stops
$994Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
8:15 am - 4:50 pm
LIS
-
MDW
14h 35m
2 stops
Multiple Airlines Logo
7:30 am - 5:30 am
MDW
-
LIS
16h 00m
1 stop
$995Multiple Airlines
Mon, May 4 - Thu, May 14
Multiple Airlines Logo
5:45 pm - 9:40 am
LIS
-
MDW
21h 55m
1 stop
Multiple Airlines Logo
10:25 am - 9:35 am
MDW
-
LIS
17h 10m
1 stop
$1,017Multiple Airlines
Mon, May 4 - Thu, May 14

Delta flights from Portugal to Chicago Midway Airport

Our best Delta deals on Portugal to Chicago Midway Airport flight tickets
Delta
Mar 4
LIS5:00 amLisbon Humberto Delgado
18h 37m
2 stops
MDW5:37 pmChicago Midway
Mar 10
MDW1:10 pmChicago Midway
16h 25m
2 stops
LIS10:35 amLisbon Humberto Delgado
$832
Delta
Feb 10
LIS5:00 amLisbon Humberto Delgado
18h 55m
2 stops
MDW5:55 pmChicago Midway
Feb 25
MDW1:26 pmChicago Midway
15h 54m
2 stops
LIS11:20 amLisbon Humberto Delgado
$863
Delta
Feb 21
LIS5:30 amLisbon Humberto Delgado
16h 44m
2 stops
MDW4:14 pmChicago Midway
Mar 1
MDW1:28 pmChicago Midway
19h 07m
2 stops
LIS2:35 pmLisbon Humberto Delgado
$926

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Chicago Midway Airport 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 February 7, 2026.
Use the filters below to find and compare flights from Portugal to Chicago Midway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 5/4

11:35 am-9:40 am

1 stop28h 05m

Chicago Midway

Wed 5/13

7:30 am-11:05 pm

2 stops33h 35m

$798

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 3/4

5:00 am-5:37 pm

2 stops18h 37m

Chicago Midway

Tue 3/10

1:10 pm-10:35 am

2 stops16h 25m

$832

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 3/4

5:10 pm-1:56 pm

1 stop26h 46m

Chicago Midway

Tue 3/10

7:30 am-3:00 pm

2 stops26h 30m

$842

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 5/4

11:35 am-9:40 am

1 stop28h 05m

Chicago Midway

Wed 5/13

7:30 am-10:15 am

1 stop20h 45m

$845

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Sat 2/21

5:30 am-4:14 pm

2 stops16h 44m

Chicago Midway

Sun 3/1

1:28 pm-2:35 pm

2 stops19h 07m

$926

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Sat 2/21

5:00 am-4:14 pm

2 stops17h 14m

Chicago Midway

Sun 3/1

1:28 pm-2:35 pm

2 stops19h 07m

$928

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Sun 5/3

6:25 pm-9:40 am

2 stops21h 15m

Chicago Midway

Thu 5/14

7:30 am-5:30 am

1 stop16h 00m

$992

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 3/4

5:10 pm-1:56 pm

1 stop26h 46m

Chicago Midway

Wed 3/11

11:00 am-7:10 am

2 stops15h 10m

$994

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 5/4

8:15 am-4:50 pm

2 stops14h 35m

Chicago Midway

Thu 5/14

7:30 am-5:30 am

1 stop16h 00m

$995

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 5/4

5:45 pm-9:40 am

1 stop21h 55m

Chicago Midway

Thu 5/14

10:25 am-9:35 am

1 stop17h 10m

$1,017

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Portugal to Chicago Midway Airport

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

How long does it take to fly to Chicago Midway Airport?

On average, it takes 9h 20m to fly from Portugal to Chicago Midway Airport if you fly out of Lisbon (the most popular airport in Portugal) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago Midway Airport). If you’re flying out of Porto and into Chicago O'Hare Intl Airport, then the flight time is around 13h 42m.

Cheap Portugal to Chicago Midway Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Chicago Midway Airport

Fastest flight time

17h 14m

Direct flights

None
The fastest flight from Portugal to Chicago Midway Airport takes 17h 14m
There are no direct flights from Portugal to Chicago Midway Airport. There are no popular flight routes from Portugal to Chicago Midway Airport.
Search flight deals

  • When did momondo last update prices for flights from Portugal to Chicago Midway Airport?

    Prices for flights from Portugal to Chicago Midway Airport were last updated today.

  • How old do you have to be to fly from Portugal to Chicago Midway Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Chicago Midway Airport.

  • What documentation or ID do you need to fly to Chicago Midway Airport?

    The travel and health documents required for your trip to Chicago Midway 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 Chicago Midway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

Finding the right flight to Chicago from Portugal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Flights from Portugal to Chicago 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 Portugal to Chicago?

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 Portugal to Chicago.

I’m not ready to book a flight from Portugal to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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