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$260+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — OPO
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$589
(United Airlines)

One-way from

$262
(Mytrip)
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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:41 pmMSP - OPO
1 stop10h 49mUnited Airlines
Thu 11/206:00 amOPO - MSP
2 stops17h 30mUnited Airlines
Deal found 6/16$589
This Booking.com deal was found by Cheapflights users on 6/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:50 pmMSP - OPO
2 stops20h 45mMultiple Airlines
Thu 11/206:00 amOPO - MSP
2 stops20h 13mMultiple Airlines
Deal found 6/18$601
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:10 pmMSP - OPO
2 stops18h 35mAmerican Airlines
Mon 11/108:40 pmOPO - MSP
2 stops18h 49mAmerican Airlines
Deal found 6/18$613
This Lufthansa deal was found by Cheapflights users on 6/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:04 pmMKE - OPO
2 stops17h 36mLufthansa
Tue 11/186:00 amOPO - MKE
2 stops20h 59mLufthansa
Deal found 6/17$615
This KLM deal was found by Cheapflights users on 6/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:30 pmMSP - OPO
1 stop12h 20mKLM
Mon 11/104:10 pmOPO - MSP
1 stop26h 25mKLM
Deal found 6/16$625
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:29 pmMSP - OPO
2 stops39h 46mLufthansa
Wed 11/124:15 pmOPO - MSP
2 stops35h 30mLufthansa
Deal found 6/16$639
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:30 pmMSP - OPO
1 stop12h 20mDelta
Mon 11/105:00 amOPO - MSP
1 stop13h 35mDelta
Deal found 6/17$675
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/154:20 pmORD - OPO
1 stop23h 55mDelta
Wed 7/239:20 amOPO - ORD
2 stops18h 23mDelta
Deal found 6/16$695
This Lufthansa deal was found by Cheapflights users on 6/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/297:05 pmORD - OPO
1 stop17h 10mMultiple Airlines
Thu 7/106:15 amOPO - ORD
1 stop18h 00mMultiple Airlines
Deal found 6/18$696
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/143:35 pmORD - OPO
1 stop12h 00mAir Canada
Sun 7/2011:20 amOPO - ORD
2 stops27h 49mAir Canada
Deal found 6/16$697
This KLM deal was found by Cheapflights users on 6/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/24:50 pmORD - OPO
1 stop16h 45mKLM
Thu 7/176:30 amOPO - ORD
1 stop13h 40mKLM
Deal found 6/16$699
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:40 amORD - OPO
1 stop18h 55mUnited Airlines
Sun 10/126:00 amOPO - ORD
2 stops23h 15mUnited Airlines
Deal found 6/16$700

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 June 18, 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

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 10/27

5:41 pm-9:30 am

1 stop10h 49m

Porto

Thu 11/20

6:00 am-5:30 pm

2 stops17h 30m

$589

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 10/27

4:50 pm-6:35 pm

2 stops20h 45m

Porto

Thu 11/20

6:00 am-8:13 pm

2 stops20h 13m

$601

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 10/27

12:10 pm-11:45 am

2 stops18h 35m

Porto

Mon 11/10

8:40 pm-9:29 am

2 stops18h 49m

$613

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Wed 11/12

12:04 pm-11:40 am

2 stops17h 36m

Porto

Tue 11/18

6:00 am-8:59 pm

2 stops20h 59m

$615

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 10/27

5:30 pm-10:50 am

1 stop12h 20m

Porto

Thu 11/20

4:10 pm-12:35 pm

1 stop26h 25m

$625

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Sat 11/1

6:29 pm-3:15 pm

2 stops39h 46m

Porto

Wed 11/12

4:15 pm-9:45 pm

2 stops35h 30m

$639

MinneapolisPorto

MSP - OPO

MSPOPO

Minneapolis St Paul

Mon 10/27

5:30 pm-10:50 am

1 stop12h 20m

Porto

Mon 11/10

5:00 am-12:35 pm

1 stop13h 35m

$675

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 7/15

4:20 pm-10:15 pm

1 stop23h 55m

Porto

Wed 7/23

9:20 am-9:43 pm

2 stops18h 23m

$695

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 6/29

7:05 pm-6:15 pm

1 stop17h 10m

Porto

Thu 7/10

6:15 am-6:15 pm

1 stop18h 00m

$696

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 7/14

3:35 pm-9:35 am

1 stop12h 00m

Porto

Sun 7/20

11:20 am-9:09 am

2 stops27h 49m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 47 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

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 June 18, 2025.
See what other customers who have flown with Delta, KLM and Air France from Wisconsin to Porto have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,632 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,714 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 TAP AIR PORTUGAL ($262), American Airlines ($375), and British Airways ($433).

  • 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.

  • What is the cheapest month to book a flight from Wisconsin to Porto?

    Currently, January is the cheapest month in which you can book a flight from Wisconsin to Porto (average of $523). Flying from Wisconsin to Porto in June is currently the most expensive (average of $1,040). 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 Wisconsin?

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

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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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