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Portugal

$224+ Cheap flights from Wisconsin to Portugal

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Wisconsin to Portugal

Cheapest flights from Wisconsin to Portugal
Explore the most affordable flight options available from Wisconsin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/286:21 pmORD - LIS
1 stop9h 54mUnited Airlines
Tue 1/610:15 amLIS - ORD
1 stop12h 41mUnited Airlines
Deal found 12/16$546
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmORD - LIS
1 stop19h 50mIcelandair
Sun 1/119:20 pmLIS - ORD
1 stop26h 00mIcelandair
Deal found 12/16$582
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/264:20 pmORD - LIS
1 stop13h 10mUnited Airlines
Tue 1/610:15 amLIS - ORD
1 stop14h 00mUnited Airlines
Deal found 12/16$611
This Air France deal was found by Cheapflights users on 12/16. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 pmORD - LIS
1 stop32h 25mMultiple Airlines
Thu 1/811:25 amLIS - ORD
1 stop32h 55mMultiple Airlines
Deal found 12/16$632
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/292:30 pmORD - LIS
1 stop13h 45mUnited Airlines
Tue 1/610:15 amLIS - ORD
1 stop14h 00mUnited Airlines
Deal found 12/16$636
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:21 pmORD - LIS
1 stop9h 54mUnited Airlines
Mon 1/55:00 amLIS - ORD
1 stop21h 05mUnited Airlines
Deal found 12/16$669
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:55 pmORD - LIS
1 stop12h 55mBrussels Airlines
Sat 1/107:10 amLIS - ORD
2 stops33h 50mBrussels Airlines
Deal found 12/16$708
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/296:35 amORD - LIS
2 stops19h 25mDelta
Sun 1/1110:00 amLIS - ORD
1 stop29h 49mDelta
Deal found 12/16$712
This Delta deal was found by Cheapflights users on 12/16. 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 12/317:00 amORD - LIS
2 stops21h 35mDelta
Sun 1/1110:00 amLIS - ORD
1 stop29h 49mDelta
Deal found 12/16$718
This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 pmMSP - LIS
1 stop33h 40mAer Lingus
Sun 1/116:55 pmLIS - MSP
1 stop28h 00mAer Lingus
Deal found 12/16$820
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:35 pmORD - OPO
2 stops17h 50mSWISS
Mon 12/227:20 pmOPO - ORD
1 stop27h 00mSWISS
Deal found 12/15$852
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:31 pmMSP - LIS
2 stops19h 14mMultiple Airlines
Sun 1/116:55 pmLIS - MSP
1 stop28h 00mMultiple Airlines
Deal found 12/16$894

Find flight deals from Wisconsin to Portugal

Keep the following information in mind while searching for Wisconsin to Portugal flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$426
(oojo)

One-way from

$224
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,405
Provider with most accurate pricing for Milwaukee-Mitchell-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Lisbon Humberto Delgado flights.
Search Deals
From Wisconsin to Portugal
Search Deals
One-way flight from Wisconsin to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to Portugal 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 18, 2025.
Use the filters below to find and compare flights from Wisconsin to Portugal that are best for you.

Fly from

Wisconsin

Fly to

Portugal

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 4/15

6:00 pm-11:10 pm

1 stop23h 10m

Porto

Tue 4/21

9:15 pm-4:00 pm

1 stop24h 45m

$450

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 1/13

4:05 pm-11:40 am

1 stop13h 35m

Porto

Tue 1/20

6:00 am-9:13 am

2 stops33h 13m

$475

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 1/13

5:20 pm-10:30 am

1 stop11h 10m

Porto

Tue 1/20

9:55 am-2:20 pm

1 stop34h 25m

$478

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 3/2

11:15 am-9:30 am

2 stops16h 15m

Porto

Fri 3/13

12:30 pm-9:05 pm

1 stop13h 35m

$480

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 3/3

12:35 pm-9:30 am

2 stops14h 55m

Porto

Thu 3/19

6:00 am-2:25 pm

1 stop13h 25m

$480

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 1/30

8:15 pm-3:45 pm

1 stop13h 30m

Faro

Fri 2/6

6:05 am-3:25 pm

1 stop15h 20m

$481

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 3/17

4:30 pm-9:30 am

1 stop12h 00m

Porto

Tue 3/24

6:00 am-11:44 pm

2 stops22h 44m

$486

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 1/18

5:59 pm-3:25 pm

2 stops15h 26m

Porto

Fri 1/30

5:00 am-2:20 pm

1 stop15h 20m

$489

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-10:05 pm

2 stops22h 05m

$489

MadisonLisbon

MSN - LIS

MSNLIS

Madison Truax Field

Fri 1/30

6:30 am-8:10 am

2 stops19h 40m

Lisbon Humberto Delgado

Tue 2/3

11:20 am-9:05 pm

2 stops39h 45m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from Wisconsin to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, February is the cheapest month in which you can book a flight from Wisconsin to Portugal (average of $509). Flying from Wisconsin to Portugal in June is currently the most expensive (average of $1,151). 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.

What is the cheapest time of day to fly from WI to PT?

Find hourly flight availability from Wisconsin to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Wisconsin to Portugal in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Wisconsin to Portugal?

    A quick flight from Wisconsin to Portugal can take about 11h 10m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $478. There are 3931 mi between Wisconsin and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Wisconsin to Portugal 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 Portugal?

    Currently, February is the cheapest month in which you can book a flight from Wisconsin to Portugal (average of $509). Flying from Wisconsin to Portugal in June is currently the most expensive (average of $1,151). 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

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Alternative routes for Wisconsin to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Wisconsin to Portugal

Discover the top 4 airlines that operate flights from Wisconsin to Portugal. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$509Average$1,020FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$555Average$1,195FlexibilityNo cancel feeOn-time71%
DeltaCheapest$668Average$1,011FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$700Average$1,023FlexibilityNo cancel feeOn-time75%

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