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Cheap flights from Chicago Midway Airport to Portugal from $373

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 6/10. 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
9:55 am - 10:30 am
MDW
-
OPO
18h 35m
2 stops
Delta Logo
5:00 am - 9:45 pm
OPO
-
MDW
22h 45m
2 stops
$826Delta
Tue, Oct 20 - Mon, Nov 9
Delta Logo
1:00 pm - 9:05 am
MDW
-
OPO
14h 05m
2 stops
Delta Logo
5:00 am - 9:45 pm
OPO
-
MDW
22h 45m
2 stops
$843Delta
Sun, Nov 1 - Fri, Nov 6
Multiple Airlines Logo
10:15 am - 6:30 am
MDW
-
LIS
14h 15m
2 stops
Multiple Airlines Logo
8:15 am - 9:35 am
LIS
-
MDW
31h 20m
2 stops
$851Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
10:15 am - 6:30 am
MDW
-
LIS
14h 15m
2 stops
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
$862Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
Multiple Airlines Logo
10:15 am - 6:30 am
MDW
-
LIS
14h 15m
2 stops
Multiple Airlines Logo
8:15 am - 9:40 am
LIS
-
MDW
31h 25m
2 stops
$867Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Multiple Airlines Logo
10:15 am - 6:40 am
MDW
-
PDL
15h 25m
1 stop
Multiple Airlines Logo
10:30 am - 9:40 am
PDL
-
MDW
28h 10m
1 stop
$870Multiple Airlines
Thu, Jun 11 - Tue, Jun 23
Multiple Airlines Logo
10:15 am - 6:40 am
MDW
-
PDL
15h 25m
1 stop
Multiple Airlines Logo
9:35 am - 9:40 am
PDL
-
MDW
29h 05m
1 stop
$872Multiple Airlines
Thu, Jun 11 - Mon, Jun 22
Delta Logo
9:30 am - 10:30 am
MDW
-
OPO
19h 00m
2 stops
Delta Logo
5:00 am - 9:45 pm
OPO
-
MDW
22h 45m
2 stops
$876Delta
Thu, Oct 22 - Mon, Nov 9
KLM Logo
5:59 pm - 5:25 pm
MDW
-
FAO
17h 26m
2 stops
KLM Logo
9:45 pm - 4:27 pm
FAO
-
MDW
24h 42m
2 stops
$987KLM
Mon, Sep 14 - Mon, Sep 21
KLM Logo
5:59 pm - 5:25 pm
MDW
-
FAO
17h 26m
2 stops
KLM Logo
9:45 pm - 4:27 pm
FAO
-
MDW
24h 42m
2 stops
$1,347KLM
Mon, Sep 14 - Mon, Sep 21

Delta flights from Chicago Midway Airport to Portugal

Our best Delta deals on Chicago Midway Airport to Portugal flight tickets
Delta
Oct 20
MDW9:55 amChicago Midway
18h 35m
2 stops
OPO10:30 amPorto
Nov 9
OPO5:00 amPorto
22h 45m
2 stops
MDW9:45 pmChicago Midway
$826
Delta
Nov 1
MDW1:00 pmChicago Midway
14h 05m
2 stops
OPO9:05 amPorto
Nov 6
OPO5:00 amPorto
22h 45m
2 stops
MDW9:45 pmChicago Midway
$843
Delta
Nov 6
MDW12:30 pmChicago Midway
16h 05m
2 stops
LIS10:35 amLisbon Humberto Delgado
Nov 10
LIS5:00 amLisbon Humberto Delgado
19h 37m
2 stops
MDW6:37 pmChicago Midway
$873

KLM flights from Chicago Midway Airport to Portugal

Our best KLM deals on Chicago Midway Airport to Portugal flight tickets
KLM
Sep 14
MDW5:59 pmChicago Midway
17h 26m
2 stops
FAO5:25 pmFaro
Sep 21
FAO9:45 pmFaro
24h 42m
2 stops
MDW4:27 pmChicago Midway
$987
KLM
Sep 14
MDW5:59 pmChicago Midway
17h 26m
2 stops
FAO5:25 pmFaro
Sep 21
FAO9:45 pmFaro
24h 42m
2 stops
MDW4:27 pmChicago Midway
$1,347
KLM
Aug 8
MDW6:42 pmChicago Midway
17h 28m
2 stops
FAO6:10 pmFaro
Aug 15
FAO9:55 pmFaro
24h 20m
2 stops
MDW4:15 pmChicago Midway
$1,914

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 May 15, 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

Cheapest round-trip

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 10/20

9:55 am-10:30 am

2 stops18h 35m

Porto

Mon 11/9

5:00 am-9:45 pm

2 stops22h 45m

$826
Quickest round-trip

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 11/1

1:00 pm-9:05 am

2 stops14h 05m

Porto

Fri 11/6

5:00 am-9:45 pm

2 stops22h 45m

$843

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 6/3

10:15 am-6:30 am

2 stops14h 15m

Lisbon Humberto Delgado

Wed 6/10

8:15 am-9:35 am

2 stops31h 20m

$851

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 6/10

10:15 am-6:30 am

2 stops14h 15m

Lisbon Humberto Delgado

Wed 6/17

8:15 am-9:40 am

2 stops31h 25m

$862

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Sun 6/14

10:15 am-6:30 am

2 stops14h 15m

Lisbon Humberto Delgado

Sun 6/21

8:15 am-9:40 am

2 stops31h 25m

$867

ChicagoPonta Delgada

MDW - PDL

MDWPDL

Chicago Midway

Thu 6/11

10:15 am-6:40 am

1 stop15h 25m

Ponta Delgada Nordela

Tue 6/23

10:30 am-9:40 am

1 stop28h 10m

$870

ChicagoPonta Delgada

MDW - PDL

MDWPDL

Chicago Midway

Thu 6/11

10:15 am-6:40 am

1 stop15h 25m

Ponta Delgada Nordela

Mon 6/22

9:35 am-9:40 am

1 stop29h 05m

$872

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 10/22

9:30 am-10:30 am

2 stops19h 00m

Porto

Mon 11/9

5:00 am-9:45 pm

2 stops22h 45m

$876

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Mon 9/14

5:59 pm-5:25 pm

2 stops17h 26m

Faro

Mon 9/21

9:45 pm-4:27 pm

2 stops24h 42m

$987

ChicagoFaro

MDW - FAO

MDWFAO

Chicago Midway

Mon 9/14

5:59 pm-5:25 pm

2 stops17h 26m

Faro

Mon 9/21

9:45 pm-4:27 pm

2 stops24h 42m

$1,347

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?

Delta, Air Transat, 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

13h 30m

Direct flights

None
The fastest flight from Chicago Midway Airport to Portugal takes 13h 30m
There are no direct flights from Chicago Midway Airport to Portugal. There are no popular flight routes from Chicago Midway Airport to Portugal.
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Frequently asked questions about flying from Chicago Midway Airport to Portugal

  • 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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