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$400+ Cheap flights from Wisconsin 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — OPO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from Wisconsin to Porto

Keep the following information in mind while searching for Wisconsin to Porto flight deals. Data was last updated October 27, 2025.

Round-trip from

$413
(FlightHub)

One-way from

$400
(Kiwi.com)
From Wisconsin to Porto
Search Deals
One-way flight from Wisconsin to Porto
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Find flight deals from Wisconsin to Porto

Cheapest flights from Wisconsin to Porto
Explore the most affordable flight options available from Wisconsin to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 pmORD - OPO
1 stop11h 55mTAP AIR PORTUGAL
Sun 12/145:00 amOPO - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/25$413
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 12/96:50 pmORD - OPO
1 stop34h 25mMultiple Airlines
Tue 12/166:00 amOPO - ORD
1 stop13h 10mMultiple Airlines
Deal found 10/25$447
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:05 amORD - OPO
2 stops22h 10mMultiple Airlines
Mon 12/81:45 pmOPO - ORD
1 stop34h 40mMultiple Airlines
Deal found 10/25$461
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:31 pmORD - OPO
1 stop9h 59mUnited Airlines
Wed 12/312:30 pmOPO - ORD
1 stop13h 35mUnited Airlines
Deal found 10/26$474
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:50 pmORD - OPO
2 stops18h 00mMultiple Airlines
Wed 12/312:30 pmOPO - ORD
1 stop13h 35mMultiple Airlines
Deal found 10/26$475
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:50 pmORD - OPO
1 stop34h 25mSWISS
Mon 12/87:20 pmOPO - ORD
1 stop27h 00mSWISS
Deal found 10/25$477
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 11/252:35 pmORD - OPO
2 stops13h 55mMultiple Airlines
Tue 12/24:10 pmOPO - ORD
1 stop28h 10mMultiple Airlines
Deal found 10/26$482
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.
Wed 11/264:25 pmORD - OPO
1 stop17h 00mKLM
Tue 12/24:10 pmOPO - ORD
1 stop28h 10mKLM
Deal found 10/26$483
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:50 pmORD - OPO
1 stop34h 25mSWISS
Tue 12/212:05 pmOPO - ORD
1 stop34h 15mSWISS
Deal found 10/26$486
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:40 pmMSP - OPO
1 stop11h 50mKLM
Tue 12/166:05 amOPO - MSP
1 stop14h 25mKLM
Deal found 10/26$526
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.
Mon 12/81:20 pmMSP - OPO
2 stops15h 10mDelta
Tue 12/166:05 amOPO - MSP
1 stop14h 25mDelta
Deal found 10/25$531
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:30 pmMSP - OPO
1 stop17h 55mKLM
Sat 12/64:10 pmOPO - MSP
1 stop28h 20mKLM
Deal found 10/25$532

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin 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 Wisconsin to Porto that are best for you.

Fly from

Wisconsin

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/9

6:50 pm-11:15 am

1 stop34h 25m

Porto

Tue 12/16

6:00 am-1:10 pm

1 stop13h 10m

$447

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 11/10

5:31 pm-9:30 am

1 stop9h 59m

Porto

Wed 12/3

12:30 pm-8:05 pm

1 stop13h 35m

$474

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 12/2

3:55 pm-11:40 am

2 stops37h 45m

Porto

Mon 12/8

7:20 pm-11:18 am

2 stops45h 58m

$480

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 1/6

1:54 pm-10:30 am

2 stops14h 36m

Porto

Wed 1/14

6:00 am-2:20 pm

1 stop14h 20m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/25

2:35 pm-10:30 am

2 stops13h 55m

Porto

Tue 12/2

4:10 pm-2:20 pm

1 stop28h 10m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/26

2:00 pm-9:30 am

2 stops13h 30m

Porto

Tue 12/2

12:30 pm-11:10 am

1 stop28h 40m

$497

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 1/14

12:50 pm-12:05 pm

2 stops17h 15m

Porto

Sat 1/24

6:00 am-9:13 am

2 stops33h 13m

$509

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 12/4

10:35 pm-10:25 pm

1 stop17h 50m

Porto

Fri 12/12

12:30 pm-8:05 pm

1 stop13h 35m

$511

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 12/4

8:55 am-10:30 am

2 stops19h 35m

Porto

Fri 12/12

6:30 am-2:20 pm

1 stop13h 50m

$512

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 2/16

4:40 pm-10:30 am

1 stop11h 50m

Porto

Mon 2/23

6:30 am-2:30 pm

1 stop14h 00m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 43 results
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Best time to book a flight from Wisconsin to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Wisconsin 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 Wisconsin to Porto
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin 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 Wisconsin?

    Porto (OPO) is the airport you will fly into if you book a flight from Wisconsin to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How long is the flight from Wisconsin to Porto?

    A quick flight from Wisconsin to Porto can take about 9h 59m. United Airlines provides one of the quickest options available for as low as $474. Airlines will cover a distance of 3931 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Wisconsin to Porto one-way?

    The cheapest airlines for a one-way flight from Wisconsin to Porto are Lufthansa ($449), Delta ($552), and Turkish Airlines ($805).

  • What are the most popular routes from Wisconsin to Porto?

    Most travelers choose Chicago O'Hare Intl - Porto, Minneapolis St Paul - Porto or Madison Truax Field - Porto when deciding on the best route from Wisconsin to Porto.

  • Can I find deals for flights from Wisconsin to Porto that include hotel bookings?

    Yes. In addition to deals on Wisconsin to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to Porto.

  • Can I find deals for business class flights from Wisconsin to Porto?

    Yes. Cheapflights offers flight deals from Wisconsin 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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Alternative routes for Wisconsin to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Wisconsin to Porto

Discover the top 2 airlines that operate flights from Wisconsin to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$700Average$846FlexibilityNo cancel feeOn-time75%
DeltaCheapest$711Average$842FlexibilityNo cancel feeOn-timeN/A

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