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$310+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — OPO
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:26 pm
MDW
-
OPO
2 stops15h 04m
Multiple Airlines
Tue 3/35:00 am
OPO
-
MDW
2 stops18h 45m
Multiple Airlines
Deal found 1/25$591
This Delta deal was found by Cheapflights users on 1/25. 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 3/101:10 pm
MDW
-
OPO
2 stops16h 20m
Delta
Tue 3/175:00 am
OPO
-
MDW
2 stops17h 54m
Delta
Deal found 1/25$617
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Fri 4/311:00 am
MDW
-
OPO
1 stop15h 05m
Multiple Airlines
Mon 4/131:50 pm
OPO
-
MDW
2 stops29h 10m
Multiple Airlines
Deal found 1/25$856
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Fri 3/2711:00 am
MDW
-
OPO
1 stop15h 05m
Multiple Airlines
Sun 4/128:35 am
OPO
-
MDW
2 stops35h 26m
Multiple Airlines
Deal found 1/25$909
This Delta deal was found by Cheapflights users on 1/25. 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 5/55:21 pm
MDW
-
OPO
2 stops15h 54m
Delta
Fri 5/155:00 am
OPO
-
MDW
2 stops19h 31m
Delta
Deal found 1/25$917
This Delta deal was found by Cheapflights users on 1/25. 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 2/229:34 am
MDW
-
OPO
2 stops18h 56m
Delta
Sun 3/15:00 am
OPO
-
MDW
2 stops19h 40m
Delta
Deal found 1/25$921
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Mon 3/306:00 am
MDW
-
OPO
2 stops27h 40m
Multiple Airlines
Sat 4/119:50 am
OPO
-
MDW
1 stop30h 15m
Multiple Airlines
Deal found 1/25$924
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:00 am
MDW
-
OPO
2 stops22h 00m
Multiple Airlines
Thu 4/169:50 am
OPO
-
MDW
1 stop30h 15m
Multiple Airlines
Deal found 1/26$930
This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2711:00 am
MDW
-
OPO
3 stops26h 55m
Multiple Airlines
Sun 4/56:00 am
OPO
-
MDW
3 stops34h 05m
Multiple Airlines
Deal found 1/24$946
This Delta deal was found by Cheapflights users on 1/26. 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.
Sun 2/11:26 pm
MDW
-
OPO
2 stops15h 04m
Delta
Sat 2/145:00 am
OPO
-
MDW
2 stops17h 14m
Delta
Deal found 1/26$977
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:30 am
MDW
-
OPO
1 stop19h 00m
Multiple Airlines
Sun 4/128:35 am
OPO
-
MDW
2 stops35h 26m
Multiple Airlines
Deal found 1/26$984
This Delta deal was found by Cheapflights users on 1/26. 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.
Thu 4/2312:53 pm
MDW
-
OPO
2 stops20h 22m
Delta
Mon 4/275:00 am
OPO
-
MDW
2 stops18h 58m
Delta
Deal found 1/26$991

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$591
(Air France)

One-way from

$310
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$778
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. 11% potential increase in price ($90 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 January 2026
Search Deals

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 January 26, 2026.
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 5/5

5:21 pm-3:15 pm

2 stops15h 54m

Porto

Fri 5/15

5:00 am-6:31 pm

2 stops19h 31m

$917

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 2/22

9:50 am-10:30 am

2 stops18h 40m

Porto

Sun 3/1

5:00 am-6:40 pm

2 stops19h 40m

$921

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Fri 3/27

11:00 am-6:55 pm

3 stops26h 55m

Porto

Sun 4/5

6:00 am-10:05 am

3 stops34h 05m

$946

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Thu 4/23

12:53 pm-3:15 pm

2 stops20h 22m

Porto

Mon 4/27

5:00 am-5:58 pm

2 stops18h 58m

$991

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Fri 2/20

1:26 pm-10:30 am

2 stops15h 04m

Porto

Sat 2/28

5:00 am-4:14 pm

2 stops17h 14m

$1,026

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 3/30

6:34 pm-3:25 pm

2 stops14h 51m

Porto

Sun 4/12

5:00 am-6:40 pm

2 stops19h 40m

$1,050

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 3/29

7:20 pm-6:10 pm

2 stops16h 50m

Porto

Sun 4/12

5:00 am-6:40 pm

2 stops19h 40m

$1,089

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 4/12

6:34 pm-3:25 pm

2 stops14h 51m

Porto

Fri 4/17

5:00 am-4:29 pm

2 stops17h 29m

$1,149

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 4/12

6:34 pm-3:25 pm

2 stops14h 51m

Porto

Thu 4/16

5:00 am-5:58 pm

2 stops18h 58m

$1,149

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 2/22

9:04 pm-11:00 pm

3 stops43h 56m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Chicago Midway Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago Midway Airport-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 fly from Chicago Midway Airport to Porto in about 15h 54m. 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.

See more FAQs

Traveling to a place near Porto?

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

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