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$264+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/1910:49 amMDW - OPO
2 stops17h 41mDelta
Fri 12/267:35 amOPO - MDW
2 stops20h 47mDelta
Deal found 12/10$3,602

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$492
(Air France)

One-way from

$264
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$749
Provider with most accurate pricing for Chicago Midway-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago Midway-Porto flights.
Search Deals
From Chicago Midway to Porto
Search Deals
One-way flight from Chicago Midway to Porto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 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

Wed 2/4

12:48 pm-10:30 am

2 stops15h 42m

Porto

Wed 2/11

4:10 pm-5:45 pm

2 stops31h 35m

$492

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/18

9:50 am-10:30 am

2 stops18h 40m

Porto

Sun 2/22

5:00 am-5:45 pm

2 stops18h 45m

$647

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sat 1/24

1:26 pm-10:30 am

2 stops15h 04m

Porto

Sat 1/31

5:00 am-4:16 pm

2 stops17h 16m

$697

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 2/19

1:26 pm-10:25 am

2 stops14h 59m

Porto

Sun 2/22

5:00 am-5:45 pm

2 stops18h 45m

$697

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 1/15

1:28 pm-10:30 am

2 stops15h 02m

Porto

Mon 1/19

6:30 am-6:36 pm

2 stops18h 06m

$913

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 2/19

11:05 am-11:50 am

2 stops18h 45m

Porto

Sun 2/22

2:50 pm-10:10 am

3 stops25h 20m

$936

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/18

11:05 am-7:05 am

1 stop14h 00m

Porto

Sun 2/22

2:50 pm-10:10 am

2 stops25h 20m

$1,074

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 3/9

2:03 pm-10:30 am

2 stops15h 27m

Porto

Sat 3/14

5:00 am-5:55 pm

2 stops17h 55m

$1,781

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/18

12:46 pm-10:30 am

2 stops15h 44m

Porto

Sat 2/21

5:00 am-4:14 pm

2 stops17h 14m

$1,781

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Fri 12/19

10:49 am-10:30 am

2 stops17h 41m

Porto

Fri 12/26

7:35 am-10:22 pm

2 stops20h 47m

$3,602

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 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 December.
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 Delta and KLM fly from Chicago Midway Airport to Porto in about 15h 04m. The time it takes to get you to your destination can typically vary by up to 3h 36m. 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
Vila Nova de Gaia

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