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$354+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$471
(Air France)

One-way from

$354
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$703
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 ($129 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 September 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 September 11, 2025.

This Air France deal was found by Cheapflights users on 9/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:23 pmMDW - OPO
2 stops15h 07mMultiple Airlines
Wed 11/56:00 amOPO - MDW
2 stops17h 43mMultiple Airlines
Deal found 9/10$471
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 11/171:47 pmMDW - OPO
2 stops14h 28mDelta
Tue 11/2511:10 amOPO - MDW
2 stops18h 22mDelta
Deal found 9/10$478
This Delta deal was found by Cheapflights users on 9/11. 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 11/2612:47 pmMDW - OPO
2 stops15h 43mDelta
Tue 12/26:05 amOPO - MDW
2 stops17h 55mDelta
Deal found 9/11$479
This Air France deal was found by Cheapflights users on 9/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:14 pmMDW - OPO
2 stops15h 16mKLM
Tue 12/26:05 amOPO - MDW
2 stops17h 55mKLM
Deal found 9/11$492
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/206:23 pmMDW - OPO
2 stops15h 07mDelta
Sat 11/156:00 amOPO - MDW
2 stops18h 08mDelta
Deal found 9/9$529
This Delta deal was found by Cheapflights users on 9/10. 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 11/510:40 amMDW - OPO
2 stops17h 50mDelta
Sun 11/165:00 amOPO - MDW
2 stops19h 08mDelta
Deal found 9/10$542
This KLM deal was found by Cheapflights users on 9/8. 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 12/31:14 pmMDW - OPO
2 stops24h 06mKLM
Sun 12/711:15 amOPO - MDW
2 stops36h 45mKLM
Deal found 9/8$593
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 9/296:15 pmMDW - OPO
2 stops15h 15mDelta
Tue 10/76:15 amOPO - MDW
2 stops18h 10mDelta
Deal found 9/10$684
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/2010:33 amMDW - OPO
2 stops16h 27mMultiple Airlines
Sat 11/156:35 pmOPO - MDW
1 stop35h 20mMultiple Airlines
Deal found 9/9$825
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/2712:17 pmMDW - OPO
2 stops20h 43mMultiple Airlines
Wed 11/126:35 pmOPO - MDW
1 stop35h 20mMultiple Airlines
Deal found 9/11$828
This Delta deal was found by Cheapflights users on 9/9. 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 11/510:40 amMDW - OPO
2 stops17h 50mDelta
Sun 11/95:00 amOPO - MDW
2 stops17h 38mDelta
Deal found 9/9$885

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 September 11, 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

Mon 10/20

6:23 pm-3:30 pm

2 stops15h 07m

Porto

Wed 11/5

6:00 am-5:43 pm

2 stops17h 43m

$471

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 11/17

1:47 pm-10:15 am

2 stops14h 28m

Porto

Tue 11/25

11:10 am-11:32 pm

2 stops18h 22m

$478

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 11/26

12:47 pm-10:30 am

2 stops15h 43m

Porto

Tue 12/2

6:05 am-6:00 pm

2 stops17h 55m

$479

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 10/27

10:35 am-10:15 am

2 stops18h 40m

Porto

Wed 11/12

6:00 am-6:18 pm

2 stops18h 18m

$479

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/25

1:14 pm-10:30 am

2 stops15h 16m

Porto

Tue 12/2

6:05 am-6:00 pm

2 stops17h 55m

$492

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 10/20

6:23 pm-3:30 pm

2 stops15h 07m

Porto

Sat 11/15

6:00 am-6:08 pm

2 stops18h 08m

$529

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 12/3

1:14 pm-3:25 pm

2 stops20h 11m

Porto

Sun 12/7

6:30 am-6:00 pm

2 stops41h 30m

$542

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 11/5

10:40 am-10:30 am

2 stops17h 50m

Porto

Sun 11/16

5:00 am-6:08 pm

2 stops19h 08m

$542

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 12/3

9:34 am-7:20 pm

2 stops27h 46m

Porto

Sun 12/7

11:15 am-6:00 pm

2 stops36h 45m

$594

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sat 9/20

11:23 am-10:55 pm

3 stops29h 32m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
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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 28m. 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 $1,027). 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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