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Cheap flights from Chicago Midway Airport to Porto from $480

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 Porto departing on 7/11. 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

Find the cheapest flights from Chicago Midway Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 9:15 pm
MDW
-
OPO
23h 55m
2 stops
Multiple Airlines Logo
1:30 pm - 2:35 pm
OPO
-
MDW
31h 05m
1 stop
$904Multiple Airlines
Thu, Jun 18 - Tue, Jun 23
Delta Logo
6:38 pm - 3:30 pm
MDW
-
OPO
14h 52m
2 stops
Delta Logo
5:00 am - 4:26 pm
OPO
-
MDW
17h 26m
2 stops
$926Delta
Wed, Apr 29 - Wed, May 6
Delta Logo
7:13 pm - 6:10 pm
MDW
-
OPO
16h 57m
2 stops
Delta Logo
5:00 am - 6:33 pm
OPO
-
MDW
19h 33m
2 stops
$942Delta
Fri, May 8 - Fri, May 15
Delta Logo
6:36 pm - 3:30 pm
MDW
-
OPO
14h 54m
2 stops
Delta Logo
5:00 am - 6:33 pm
OPO
-
MDW
19h 33m
2 stops
$970Delta
Tue, May 12 - Tue, May 19
Delta Logo
1:00 pm - 10:25 am
MDW
-
OPO
15h 25m
2 stops
Delta Logo
5:00 am - 9:45 pm
OPO
-
MDW
22h 45m
2 stops
$972Delta
Sun, Aug 30 - Wed, Dec 9
Delta Logo
6:38 pm - 3:30 pm
MDW
-
OPO
14h 52m
2 stops
Delta Logo
5:00 am - 6:33 pm
OPO
-
MDW
19h 33m
2 stops
$976Delta
Sun, May 3 - Sun, May 10
Delta Logo
6:38 pm - 3:30 pm
MDW
-
OPO
14h 52m
2 stops
Delta Logo
5:00 am - 5:56 pm
OPO
-
MDW
18h 56m
2 stops
$1,000Delta
Sun, May 3 - Thu, May 14
Delta Logo
7:16 pm - 6:10 pm
MDW
-
OPO
16h 54m
2 stops
Delta Logo
5:00 am - 6:33 pm
OPO
-
MDW
19h 33m
2 stops
$1,001Delta
Sun, May 3 - Thu, May 14
Delta Logo
5:59 pm - 3:25 pm
MDW
-
OPO
15h 26m
2 stops
Delta Logo
5:00 am - 6:31 pm
OPO
-
MDW
19h 31m
2 stops
$1,039Delta
Mon, Sep 7 - Thu, Sep 10
Delta Logo
10:59 am - 8:30 am
MDW
-
OPO
15h 31m
2 stops
Delta Logo
5:00 am - 5:56 pm
OPO
-
MDW
18h 56m
2 stops
$1,046Delta
Thu, May 7 - Wed, May 13

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Delta flights from Chicago Midway Airport to Porto

Our best Delta deals on Chicago Midway Airport to Porto flight tickets
Delta
Apr 29
MDW6:38 pmChicago Midway
14h 52m
2 stops
OPO3:30 pmPorto
May 6
OPO5:00 amPorto
17h 26m
2 stops
MDW4:26 pmChicago Midway
$926
Delta
Apr 19
MDW7:16 pmChicago Midway
16h 54m
2 stops
OPO6:10 pmPorto
May 5
OPO5:00 amPorto
18h 58m
2 stops
MDW5:58 pmChicago Midway
$927
Delta
Aug 30
MDW1:00 pmChicago Midway
15h 25m
2 stops
OPO10:25 amPorto
Dec 9
OPO5:00 amPorto
22h 45m
2 stops
MDW9:45 pmChicago Midway
$972

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to Porto 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 April 15, 2026.
Use the filters below to find and compare flights from Chicago Midway Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 6/18

3:20 pm-9:15 pm

2 stops23h 55m

Porto

Tue 6/23

1:30 pm-2:35 pm

1 stop31h 05m

$904
Quickest round-trip

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 4/29

6:38 pm-3:30 pm

2 stops14h 52m

Porto

Wed 5/6

5:00 am-4:26 pm

2 stops17h 26m

$926

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Fri 5/8

7:13 pm-6:10 pm

2 stops16h 57m

Porto

Fri 5/15

5:00 am-6:33 pm

2 stops19h 33m

$942

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 5/12

6:36 pm-3:30 pm

2 stops14h 54m

Porto

Tue 5/19

5:00 am-6:33 pm

2 stops19h 33m

$970

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 8/30

1:00 pm-10:25 am

2 stops15h 25m

Porto

Wed 12/9

5:00 am-9:45 pm

2 stops22h 45m

$972

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 5/3

6:38 pm-3:30 pm

2 stops14h 52m

Porto

Sun 5/10

5:00 am-6:33 pm

2 stops19h 33m

$976

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 5/3

6:38 pm-3:30 pm

2 stops14h 52m

Porto

Thu 5/14

5:00 am-5:56 pm

2 stops18h 56m

$1,000

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 5/3

7:16 pm-6:10 pm

2 stops16h 54m

Porto

Thu 5/14

5:00 am-6:33 pm

2 stops19h 33m

$1,001

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 9/7

5:59 pm-3:25 pm

2 stops15h 26m

Porto

Thu 9/10

5:00 am-6:31 pm

2 stops19h 31m

$1,039

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 5/7

10:59 am-8:30 am

2 stops15h 31m

Porto

Wed 5/13

5:00 am-5:56 pm

2 stops18h 56m

$1,046

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 Porto from

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

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 Porto?

Delta is the most popular carrier operating from Chicago Midway to Porto

When to book flights from Chicago Midway Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago Midway Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago Midway Airport to Porto (MDW to OPO) flight deals and tips

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

Fastest flight time

14h 52m

Direct flights

None
The fastest flight from Chicago Midway Airport to Porto takes 14h 52m
There are no direct flights from Chicago Midway Airport to Porto. There are no popular flight routes from Chicago Midway Airport to Porto.
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Frequently asked questions about flying from Chicago Midway Airport to Porto

  • How far is Chicago Midway to Porto by plane?

    The straight-line distance from Chicago Midway to Porto is 3936.0 mi. 14h 52m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Chicago Midway Airport to Porto 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 Midway Airport to Porto Airport.

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

    The necessary travel and health documents for your Porto Airport 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.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Porto for you.

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

Flights from Chicago to Porto 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 Chicago to Porto?

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.

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Chicago and alert you when they change.

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