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Cheap flights from Chicago Midway Airport to Portugal from $301

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 Midway Airport to Portugal departing on 5/10. 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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0 bags

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Find the cheapest flights from Chicago Midway Airport to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 8:00 am
MDW
-
LIS
20h 00m
2 stops
Delta Logo
5:00 am - 6:36 pm
LIS
-
MDW
19h 36m
2 stops
$502Delta
Tue, Apr 14 - Wed, Apr 22
Delta Logo
6:20 pm - 3:10 pm
MDW
-
LIS
14h 50m
2 stops
Delta Logo
5:00 am - 5:45 pm
LIS
-
MDW
18h 45m
2 stops
$503Delta
Tue, Feb 24 - Fri, Mar 6
Delta Logo
12:47 pm - 10:35 am
MDW
-
LIS
16h 48m
2 stops
Delta Logo
5:00 am - 6:40 pm
LIS
-
MDW
19h 40m
2 stops
$509Delta
Tue, Mar 17 - Tue, Mar 31
Delta Logo
12:53 pm - 11:15 am
MDW
-
LIS
16h 22m
2 stops
Delta Logo
5:00 am - 6:36 pm
LIS
-
MDW
19h 36m
2 stops
$526Delta
Mon, Apr 13 - Mon, Apr 27
Delta Logo
12:53 pm - 11:15 am
MDW
-
LIS
16h 22m
2 stops
Delta Logo
5:35 am - 4:25 pm
LIS
-
MDW
16h 50m
2 stops
$534Delta
Mon, Apr 13 - Mon, Apr 27
KLM Logo
6:40 pm - 6:55 pm
MDW
-
FAO
18h 15m
2 stops
KLM Logo
7:15 pm - 5:22 pm
FAO
-
MDW
27h 07m
2 stops
$599KLM
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
1:26 pm - 10:30 am
MDW
-
OPO
15h 04m
2 stops
Multiple Airlines Logo
5:00 am - 5:54 pm
OPO
-
MDW
17h 54m
2 stops
$696Multiple Airlines
Wed, Feb 25 - Thu, Mar 12
Scandinavian Airlines Logo
1:10 pm - 3:25 pm
MDW
-
OPO
20h 15m
2 stops
Scandinavian Airlines Logo
4:25 pm - 10:28 pm
OPO
-
MDW
36h 03m
2 stops
$741Scandinavian Airlines
Tue, Apr 7 - Sun, Apr 12
Multiple Airlines Logo
1:49 pm - 10:30 am
MDW
-
OPO
14h 41m
2 stops
Multiple Airlines Logo
5:00 am - 5:45 pm
OPO
-
MDW
18h 45m
2 stops
$753Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
KLM Logo
5:14 pm - 9:05 pm
MDW
-
FAO
21h 51m
2 stops
KLM Logo
9:15 pm - 3:26 pm
FAO
-
MDW
24h 11m
2 stops
$1,464KLM
Fri, May 15 - Fri, May 22

Delta flights from Chicago Midway Airport to Portugal

Our best Delta deals on Chicago Midway Airport to Portugal flight tickets
Delta
Apr 14
MDW6:00 amChicago Midway
20h 00m
2 stops
LIS8:00 amLisbon Humberto Delgado
Apr 22
LIS5:00 amLisbon Humberto Delgado
19h 36m
2 stops
MDW6:36 pmChicago Midway
$502
Delta
Feb 24
MDW6:20 pmChicago Midway
14h 50m
2 stops
LIS3:10 pmLisbon Humberto Delgado
Mar 6
LIS5:00 amLisbon Humberto Delgado
18h 45m
2 stops
MDW5:45 pmChicago Midway
$503
Delta
Mar 17
MDW12:47 pmChicago Midway
16h 48m
2 stops
LIS10:35 amLisbon Humberto Delgado
Mar 31
LIS5:00 amLisbon Humberto Delgado
19h 40m
2 stops
MDW6:40 pmChicago Midway
$509

KLM flights from Chicago Midway Airport to Portugal

Our best KLM deals on Chicago Midway Airport to Portugal flight tickets
KLM
Feb 20
MDW1:26 pmChicago Midway
15h 09m
2 stops
LIS10:35 amLisbon Humberto Delgado
Feb 27
LIS5:00 amLisbon Humberto Delgado
19h 40m
2 stops
MDW6:40 pmChicago Midway
$578
KLM
Mar 2
MDW6:40 pmChicago Midway
18h 15m
2 stops
FAO6:55 pmFaro
Mar 9
FAO7:15 pmFaro
27h 07m
2 stops
MDW5:22 pmChicago Midway
$599
KLM
Feb 20
MDW1:26 pmChicago Midway
15h 09m
2 stops
LIS10:35 amLisbon Humberto Delgado
Mar 1
LIS5:00 amLisbon Humberto Delgado
18h 37m
2 stops
MDW5:37 pmChicago Midway
$637

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to Portugal 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 11, 2026.
Use the filters below to find and compare flights from Chicago Midway Airport to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 4/14

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Wed 4/22

5:00 am-6:36 pm

2 stops19h 36m

$502

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 2/24

6:20 pm-3:10 pm

2 stops14h 50m

Lisbon Humberto Delgado

Fri 3/6

5:00 am-5:45 pm

2 stops18h 45m

$503

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 3/17

12:47 pm-10:35 am

2 stops16h 48m

Lisbon Humberto Delgado

Tue 3/31

5:00 am-6:40 pm

2 stops19h 40m

$509

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Mon 4/13

12:53 pm-11:15 am

2 stops16h 22m

Lisbon Humberto Delgado

Mon 4/27

5:00 am-6:36 pm

2 stops19h 36m

$526

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Mon 4/13

12:53 pm-11:15 am

2 stops16h 22m

Lisbon Humberto Delgado

Mon 4/27

5:35 am-4:25 pm

2 stops16h 50m

$534

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Mon 3/2

6:40 pm-6:55 pm

2 stops18h 15m

Faro

Mon 3/9

7:15 pm-5:22 pm

2 stops27h 07m

$599

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/25

1:26 pm-10:30 am

2 stops15h 04m

Porto

Thu 3/12

5:00 am-5:54 pm

2 stops17h 54m

$696

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 4/7

1:10 pm-3:25 pm

2 stops20h 15m

Porto

Sun 4/12

4:25 pm-10:28 pm

2 stops36h 03m

$741

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 2/23

1:49 pm-10:30 am

2 stops14h 41m

Porto

Mon 3/2

5:00 am-5:45 pm

2 stops18h 45m

$753

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Fri 5/15

5:14 pm-9:05 pm

2 stops21h 51m

Faro

Fri 5/22

9:15 pm-3:26 pm

2 stops24h 11m

$1,464

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 Portugal from

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

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 airline that flies from Chicago Midway to Portugal?

WestJet and KLM are the most popular carriers operating from Chicago Midway to Portugal

Cheap Chicago Midway Airport to Portugal flight deals and tips

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

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Chicago Midway Airport to Portugal takes 12h 30m
There are no direct flights from Chicago Midway Airport to Portugal. There are no popular flight routes from Chicago Midway Airport to Portugal.
Search flight deals

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

    Prices for flights from Chicago Midway Airport to Portugal are refreshed on a daily basis.

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

    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 Midway Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Portugal. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Portugal from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Portugal?

Once all potential Chicago to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Portugal from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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