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$492+ Cheap flights from Midway (MDW) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$492
(KLM)

Popular in

July

Cheapest in

January

Average price

$660
Provider with most accurate pricing for Chicago Midway-Porto flight deals.
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Provider most trusted by Cheapflights users for Chicago Midway-Porto flights.
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From Chicago Midway to Porto
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 27, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 12/91:14 pmMDW - OPO
2 stops15h 16mDelta
Tue 12/166:05 amOPO - MDW
2 stops23h 42mDelta
Deal found 10/26$492
This Delta deal was found by Cheapflights users on 10/25. 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 12/29:34 amMDW - OPO
2 stops18h 56mDelta
Mon 12/86:30 amOPO - MDW
2 stops17h 48mDelta
Deal found 10/25$517
This Delta deal was found by Cheapflights users on 10/24. 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.
Thu 12/410:36 amMDW - OPO
2 stops17h 54mDelta
Fri 12/126:30 amOPO - MDW
2 stops17h 48mDelta
Deal found 10/24$522
This Delta deal was found by Cheapflights users on 10/25. 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 11/91:15 pmMDW - OPO
2 stops15h 15mDelta
Sat 11/226:00 amOPO - MDW
2 stops18h 08mDelta
Deal found 10/25$542
This Air France deal was found by Cheapflights users on 10/26. 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 11/251:15 pmMDW - OPO
2 stops15h 15mMultiple Airlines
Tue 12/26:05 amOPO - MDW
2 stops18h 13mMultiple Airlines
Deal found 10/26$764
This Delta deal was found by Cheapflights users on 10/25. 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 11/251:15 pmMDW - OPO
2 stops15h 15mDelta
Tue 12/26:05 amOPO - MDW
2 stops23h 42mDelta
Deal found 10/25$807
This Delta deal was found by Cheapflights users on 10/27. 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 stops23h 42mDelta
Deal found 10/27$812
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/204:15 pmMDW - OPO
1 stop32h 50mMultiple Airlines
Mon 12/15:35 pmOPO - MDW
2 stops46h 30mMultiple Airlines
Deal found 10/24$1,053
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/27:44 amMDW - OPO
2 stops18h 11mMultiple Airlines
Mon 12/86:40 pmOPO - MDW
1 stop24h 21mMultiple Airlines
Deal found 10/25$1,121
This Delta deal was found by Cheapflights users on 10/24. 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.
Thu 11/2010:47 amMDW - OPO
2 stops17h 43mDelta
Mon 12/111:15 amOPO - MDW
2 stops18h 25mDelta
Deal found 10/24$1,225
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:41 amMDW - OPO
2 stops15h 24mMultiple Airlines
Sat 11/298:50 amOPO - MDW
3 stops34h 17mMultiple Airlines
Deal found 10/25$1,291

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 October 27, 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 12/9

1:50 pm-10:30 am

2 stops14h 40m

Porto

Tue 12/16

6:05 am-6:18 pm

2 stops18h 13m

$492

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 12/2

9:34 am-10:30 am

2 stops18h 56m

Porto

Mon 12/8

6:30 am-6:18 pm

2 stops17h 48m

$517

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 12/4

10:36 am-10:30 am

2 stops17h 54m

Porto

Fri 12/12

6:30 am-6:18 pm

2 stops17h 48m

$522

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 11/9

1:15 pm-10:30 am

2 stops15h 15m

Porto

Sat 11/22

6:00 am-6:08 pm

2 stops18h 08m

$542

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sat 2/21

9:30 am-10:30 am

2 stops19h 00m

Porto

Sun 3/1

5:00 am-6:34 pm

2 stops19h 34m

$567

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sat 4/25

5:59 pm-3:30 pm

2 stops15h 31m

Porto

Tue 5/5

5:00 am-6:31 pm

2 stops19h 31m

$712

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 3/29

5:59 pm-3:30 pm

2 stops15h 31m

Porto

Sun 4/5

9:20 am-9:46 pm

2 stops18h 26m

$717

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 11/25

1:15 pm-10:30 am

2 stops15h 15m

Porto

Tue 12/2

6:05 am-11:47 pm

2 stops23h 42m

$807

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 11/26

10:47 am-10:30 am

2 stops17h 43m

Porto

Tue 12/2

6:05 am-11:47 pm

2 stops23h 42m

$812

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 12/17

11:00 am-7:05 am

1 stop14h 05m

$1,526

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 11 results
1
2

Compare providers for flights from Midway to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Midway to Porto in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago Midway Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago Midway Airport-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago Midway Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago Midway Airport-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago Midway Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 KLM and Delta fly from Chicago Midway Airport to Porto in about 14h 40m. The time it takes to get you to your destination can typically vary by up to 4h 16m. The distance between Chicago Midway Airport and Porto is about 3931 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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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