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Cheap flights from Portugal to Chicago from $407

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 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:15 am - 9:45 am
LIS
-
MDW
31h 30m
2 stops
Multiple Airlines Logo
10:30 am - 6:30 am
MDW
-
LIS
14h 00m
2 stops
$899Multiple Airlines
Thu, May 28 - Sun, May 31
Multiple Airlines Logo
6:15 am - 9:35 am
LIS
-
MDW
33h 20m
2 stops
Multiple Airlines Logo
10:15 am - 6:30 am
MDW
-
LIS
14h 15m
2 stops
$925Multiple Airlines
Mon, Jun 8 - Wed, Jun 10
Delta Logo
5:00 am - 6:31 pm
LIS
-
MDW
19h 31m
2 stops
Delta Logo
6:58 pm - 6:45 pm
MDW
-
LIS
17h 47m
2 stops
$931Delta
Thu, Jun 11 - Fri, Jun 19
Multiple Airlines Logo
6:15 am - 9:35 am
LIS
-
MDW
33h 20m
2 stops
Multiple Airlines Logo
10:15 am - 9:35 am
MDW
-
LIS
17h 20m
1 stop
$932Multiple Airlines
Mon, Jun 8 - Wed, Jun 10
Delta Logo
5:00 am - 6:31 pm
LIS
-
MDW
19h 31m
2 stops
Delta Logo
5:59 pm - 6:45 pm
MDW
-
LIS
18h 46m
2 stops
$937Delta
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
Multiple Airlines Logo
3:20 pm - 6:30 am
MDW
-
LIS
33h 10m
2 stops
$956Multiple Airlines
Thu, Jun 25 - Thu, Jul 9
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
Multiple Airlines Logo
3:20 pm - 9:35 am
MDW
-
LIS
12h 15m
1 stop
$960Multiple Airlines
Thu, Jun 25 - Thu, Jul 9
Multiple Airlines Logo
11:35 am - 9:45 am
LIS
-
MDW
28h 10m
1 stop
Multiple Airlines Logo
10:15 am - 6:15 pm
MDW
-
LIS
26h 00m
2 stops
$964Multiple Airlines
Fri, May 29 - Tue, Jun 2
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
Multiple Airlines Logo
3:20 pm - 6:30 am
MDW
-
LIS
33h 10m
2 stops
$966Multiple Airlines
Thu, Jun 25 - Thu, Jul 9
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
Multiple Airlines Logo
3:20 pm - 9:35 am
MDW
-
LIS
12h 15m
1 stop
$967Multiple Airlines
Thu, Jun 25 - Thu, Jul 9

Delta flights from Portugal to Chicago Midway Airport

Our best Delta deals on Portugal to Chicago Midway Airport flight tickets
Delta
May 23
LIS5:00 amLisbon Humberto Delgado
19h 33m
2 stops
MDW6:33 pmChicago Midway
Jun 8
MDW1:26 pmChicago Midway
19h 29m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$928
Delta
Jun 11
LIS5:00 amLisbon Humberto Delgado
19h 31m
2 stops
MDW6:31 pmChicago Midway
Jun 19
MDW6:58 pmChicago Midway
17h 47m
2 stops
LIS6:45 pmLisbon Humberto Delgado
$931
Delta
Sep 23
LIS5:00 amLisbon Humberto Delgado
19h 31m
2 stops
MDW6:31 pmChicago Midway
Sep 29
MDW5:59 pmChicago Midway
18h 46m
2 stops
LIS6:45 pmLisbon Humberto Delgado
$937

Air Transat flights from Portugal to Chicago Midway Airport

Our best Air Transat deals on Portugal to Chicago Midway Airport flight tickets
Air Transat
Jun 25
LIS8:15 amLisbon Humberto Delgado
31h 25m
2 stops
MDW9:40 amChicago Midway
Jul 9
MDW3:20 pmChicago Midway
33h 10m
2 stops
LIS6:30 amLisbon Humberto Delgado
$986
Air Transat
Jun 25
LIS8:15 amLisbon Humberto Delgado
31h 25m
2 stops
MDW9:40 amChicago Midway
Jul 9
MDW3:20 pmChicago Midway
33h 10m
2 stops
LIS6:30 amLisbon Humberto Delgado
$989
Air Transat
Jun 25
LIS8:15 amLisbon Humberto Delgado
31h 25m
2 stops
MDW9:40 amChicago Midway
Jul 9
MDW3:20 pmChicago Midway
33h 10m
2 stops
LIS6:30 amLisbon Humberto Delgado
$1,002

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 May 14, 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

Cheapest round-trip

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 5/28

8:15 am-9:45 am

2 stops31h 30m

Chicago Midway

Sun 5/31

10:30 am-6:30 am

2 stops14h 00m

$899

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 6/8

6:15 am-9:35 am

2 stops33h 20m

Chicago Midway

Wed 6/10

10:15 am-6:30 am

2 stops14h 15m

$925
Quickest round-trip

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 6/11

5:00 am-6:31 pm

2 stops19h 31m

Chicago Midway

Fri 6/19

6:58 pm-6:45 pm

2 stops17h 47m

$931

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Mon 6/8

6:15 am-9:35 am

2 stops33h 20m

Chicago Midway

Wed 6/10

10:15 am-9:35 am

1 stop17h 20m

$932

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 9/23

5:00 am-6:31 pm

2 stops19h 31m

Chicago Midway

Tue 9/29

5:59 pm-6:45 pm

2 stops18h 46m

$937

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 6/25

8:15 am-9:40 am

2 stops31h 25m

Chicago Midway

Thu 7/9

3:20 pm-6:30 am

2 stops33h 10m

$956

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 6/25

8:15 am-9:40 am

2 stops31h 25m

Chicago Midway

Thu 7/9

3:20 pm-9:35 am

1 stop12h 15m

$960

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Fri 5/29

11:35 am-9:45 am

1 stop28h 10m

Chicago Midway

Tue 6/2

10:15 am-6:15 pm

2 stops26h 00m

$964

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 6/25

8:15 am-9:40 am

2 stops31h 25m

Chicago Midway

Thu 7/9

3:20 pm-6:30 am

2 stops33h 10m

$966

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 6/25

8:15 am-9:40 am

2 stops31h 25m

Chicago Midway

Thu 7/9

3:20 pm-9:35 am

1 stop12h 15m

$967

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 Faro and into Chicago O'Hare Intl Airport, then the flight time is around 13h 30m.

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 45m

Direct flights

None
The fastest flight from Portugal to Chicago Midway Airport takes 17h 45m
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

Frequently asked questions about flying from Portugal to Chicago Midway Airport

  • 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
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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