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$259+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This oojo deal was found by Cheapflights users on 12/9. 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.
Wed 12/247:10 pmORD - OPO
1 stop16h 50mTAP AIR PORTUGAL
Thu 1/88:00 pmOPO - ORD
1 stop25h 25mTAP AIR PORTUGAL
Deal found 12/9$928
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:00 pmORD - OPO
2 stops16h 10mMultiple Airlines
Tue 12/239:05 pmOPO - ORD
2 stops29h 00mMultiple Airlines
Deal found 12/10$987
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:51 amORD - OPO
2 stops17h 49mUnited Airlines
Thu 12/186:00 amOPO - ORD
2 stops34h 45mUnited Airlines
Deal found 12/10$1,119
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:40 pmORD - OPO
1 stop33h 35mMultiple Airlines
Thu 12/181:00 pmOPO - ORD
2 stops32h 25mMultiple Airlines
Deal found 12/10$1,126
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:50 pmORD - OPO
3 stops36h 00mMultiple Airlines
Mon 12/224:05 pmOPO - ORD
3 stops34h 05mMultiple Airlines
Deal found 12/10$1,165
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:50 pmORD - OPO
2 stops19h 00mMultiple Airlines
Sun 12/148:55 amOPO - ORD
1 stop11h 50mMultiple Airlines
Deal found 12/10$1,255

Find flight deals from Wisconsin to Porto

Keep the following information in mind while searching for Wisconsin to Porto flight deals. Data was last updated December 12, 2025.

Round-trip from

$426
(oojo)

One-way from

$259
(Kiwi.com)
From Wisconsin to Porto
Search Deals
One-way flight from Wisconsin to Porto
Search Deals

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 December 12, 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

Wed 1/14

7:10 pm-1:05 pm

1 stop11h 55m

Porto

Sat 1/24

8:00 pm-2:45 pm

1 stop24h 45m

$426

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 2/8

8:25 pm-6:05 pm

1 stop15h 40m

Porto

Sun 2/15

6:55 am-2:45 pm

1 stop13h 50m

$450

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/18

3:35 pm-1:15 pm

2 stops15h 40m

Porto

Wed 2/25

12:30 pm-8:05 pm

1 stop13h 35m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/18

9:50 pm-11:40 pm

1 stop19h 50m

Porto

Wed 2/25

6:00 am-1:25 pm

1 stop13h 25m

$460

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 3/2

3:51 pm-9:30 am

1 stop11h 39m

Porto

Wed 3/11

6:00 am-2:25 pm

1 stop13h 25m

$476

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 1/21

7:00 am-10:30 am

2 stops21h 30m

Porto

Fri 2/6

5:00 am-2:20 pm

1 stop15h 20m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 1/13

1:55 pm-10:30 am

2 stops14h 35m

Porto

Tue 1/27

9:55 am-2:20 pm

1 stop34h 25m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

12:50 pm-1:15 pm

2 stops18h 25m

Porto

Wed 2/11

6:00 am-1:25 pm

1 stop13h 25m

$482

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

3:35 pm-1:15 pm

2 stops15h 40m

Porto

Wed 2/11

6:00 am-7:45 pm

2 stops19h 45m

$488

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 1/27

5:20 pm-10:30 am

1 stop11h 10m

Porto

Fri 2/6

11:15 am-1:50 pm

2 stops32h 35m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 44 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 11h 55m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $426. 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 most popular routes from Wisconsin to Porto?

    Most travelers choose Chicago O'Hare Intl - Porto, Minneapolis St Paul - Porto or Milwaukee-Mitchell - 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
Vila Nova de Gaia

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Alternative routes for Wisconsin to Porto

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$700Average$846FlexibilityNo cancel feeOn-time75%
DeltaCheapest$711Average$842FlexibilityNo cancel feeOn-timeN/A

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