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$277+ Cheap flights from Midway (MDW) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Midway to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$537
(Delta)

One-way from

$277
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$739
From Chicago Midway to Porto
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One-way flight from Chicago Midway to Porto
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Highest demand for flights based on searches. 15% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Midway to Porto

Cheapest flights from Midway to Porto
Explore the most affordable flight options available from Midway to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:20 amMDW - OPO
2 stops19h 10mDelta
Tue 1/1311:10 amOPO - MDW
2 stops28h 13mDelta
Deal found 8/20$537
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:20 amMDW - OPO
2 stops19h 10mDelta
Fri 1/96:30 amOPO - MDW
2 stops17h 38mDelta
Deal found 8/20$546
This KLM deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:00 pmMDW - OPO
2 stops14h 30mKLM
Sun 1/116:30 amOPO - MDW
2 stops17h 38mKLM
Deal found 8/20$596
This KLM deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:00 pmMDW - OPO
2 stops14h 30mKLM
Wed 11/266:00 amOPO - MDW
2 stops18h 07mKLM
Deal found 8/18$651
This KLM deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmMDW - OPO
2 stops15h 30mKLM
Fri 1/96:30 amOPO - MDW
2 stops17h 38mKLM
Deal found 8/20$682
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:56 pmMDW - OPO
1 stop11h 54mMultiple Airlines
Wed 12/108:45 amOPO - MDW
2 stops44h 40mMultiple Airlines
Deal found 8/20$695
This KLM deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:48 pmMDW - OPO
2 stops15h 42mKLM
Wed 11/126:00 amOPO - MDW
2 stops18h 07mKLM
Deal found 8/18$701
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:15 pmMDW - OPO
2 stops15h 15mDelta
Fri 11/216:30 amOPO - MDW
2 stops17h 37mDelta
Deal found 8/18$706
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:23 pmMDW - OPO
2 stops15h 07mDelta
Wed 10/226:15 amOPO - MDW
2 stops18h 10mDelta
Deal found 8/19$711
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:31 amMDW - OPO
2 stops18h 09mDelta
Fri 9/56:40 amOPO - MDW
2 stops20h 46mDelta
Deal found 8/20$731
This KLM deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:00 pmMDW - OPO
2 stops15h 30mKLM
Sun 12/76:30 amOPO - MDW
2 stops17h 37mKLM
Deal found 8/20$732
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:30 pmMDW - OPO
2 stops15h 05mDelta
Wed 11/196:00 amOPO - MDW
2 stops18h 07mDelta
Deal found 8/18$737

Cheapflights Fare Finder

 
Customize your flight search to find flights from Midway 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, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Porto that are best for you.

Fly from

Midway

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Tue 1/13

11:10 am-12:35 pm

2 stops31h 25m

$537

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 11/16

9:20 am-10:30 am

2 stops19h 10m

Porto

Tue 1/13

11:10 am-9:23 am

2 stops28h 13m

$537

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Fri 1/9

6:30 am-6:08 pm

2 stops17h 38m

$546

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 11/16

9:20 am-10:30 am

2 stops19h 10m

Porto

Fri 1/9

6:30 am-6:08 pm

2 stops17h 38m

$546

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Sun 1/11

6:30 am-6:08 pm

2 stops17h 38m

$596

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Sat 1/10

6:00 am-6:34 pm

2 stops18h 34m

$596

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Mon 12/8

6:30 am-6:07 pm

2 stops17h 37m

$596

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Sat 12/6

6:00 am-6:07 pm

2 stops18h 07m

$596

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

2:00 pm-10:30 am

2 stops14h 30m

Porto

Sun 12/7

6:30 am-6:07 pm

2 stops17h 37m

$596

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/18

5:56 pm-11:50 am

1 stop11h 54m

Porto

Wed 12/10

8:45 am-11:25 pm

2 stops44h 40m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 20 results
1
2

Best time to book a flight from Midway to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Midway with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Midway to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Chicago Midway?

    Most people fly into Porto (OPO) if they book a flight to Porto from Chicago Midway. On average, Porto has 0 inbound flights from Chicago Midway per day from 0 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Chicago Midway Airport to Porto?

    Airlines like Delta fly from Chicago Midway Airport to Porto in about 14h 30m. The time it takes to get you to your destination can typically vary by up to . The distance between Chicago Midway Airport and Porto is about 3931 mi.

  • Can I find deals for flights from Midway to Porto that include hotel bookings?

    Yes. In addition to deals on Midway to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Midway to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Porto.

  • Can I find deals for business class flights from Midway to Porto?

    Yes. Cheapflights offers flight deals from Midway to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago Midway Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Chicago Midway Airport to Porto (average of $523). Flying from Chicago Midway Airport to Porto in June is currently the most expensive (average of $1,030). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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