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$353+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$587
(Delta)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$616
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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One-way flight from Chicago Midway to Porto
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Highest demand for flights based on searches. 23% potential increase in price ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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 5/76:25 pmMDW - OPO
2 stops15h 05mDelta
Wed 5/146:20 amOPO - MDW
2 stops17h 25mDelta
Deal found 4/16$664
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:40 amMDW - OPO
1 stop20h 05mMultiple Airlines
Sat 6/211:30 pmOPO - MDW
1 stop25h 15mMultiple Airlines
Deal found 4/17$771
This Air France deal was found by Cheapflights users on 4/17. 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 7/146:45 pmMDW - OPO
2 stops14h 50mKLM
Mon 7/216:35 amOPO - MDW
2 stops17h 53mKLM
Deal found 4/17$1,182

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 April 17, 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 5/7

6:25 pm-3:30 pm

2 stops15h 05m

Porto

Wed 5/14

6:20 am-6:45 pm

2 stops18h 25m

$664

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 6/11

9:40 am-11:45 am

1 stop20h 05m

Porto

Sat 6/21

1:30 pm-8:45 am

1 stop25h 15m

$771

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 7/14

6:45 pm-3:35 pm

2 stops14h 50m

Porto

Mon 7/21

6:35 am-6:28 pm

2 stops17h 53m

$1,182

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 6/15

9:40 am-10:05 pm

3 stops54h 25m

$353

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 7/30

5:59 pm-3:30 pm

2 stops15h 31m

$544

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 6/22

9:40 am-11:45 am

1 stop20h 05m

$711

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 6/1

6:25 pm-3:30 pm

2 stops15h 05m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

  • Most accurate provider: When it comes to deals on Chicago Midway Airport-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago Midway Airport-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to Porto

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Chicago Midway Airport to Porto one-way?

    One-way options have recently been found by users for as low as $544 on Delta. Other airlines that offer cheap prices include Air Transat from $711 and Air France from $744 one-way.

  • 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 $1,081). 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 Chicago Midway Airport?

Book flights to Chicago Midway Airport if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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