What is the cheapest airline that flies from Wisconsin to Portugal?

United Airlines, Aer Lingus, and Delta are the most popular carriers operating from Wisconsin to Portugal

How long is the flight from Wisconsin to Portugal?

Average flight duration from Wisconsin to Portugal depends on which airport you fly into and out of. Flying from Milwaukee to Lisbon is 12h 44m on average, while flying from Madison to Lisbon is 15h 20m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Portugal from Wisconsin according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Wisconsin to Portugal?

Prices for flights from Wisconsin to Portugal were last updated today.

How many operators does momondo search for flights from Wisconsin to Portugal?

There are 3 operators available for flights from Wisconsin to Portugal as of October 2026.

How old do you have to be to fly from Wisconsin to Portugal?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Wisconsin to Portugal.

What documentation or ID do you need to fly to Portugal?

The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$338 Cheap Flights from Wisconsin to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Wisconsin to Portugal

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 8:00 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

35h 10m2 stops Minneapolis St Paul New York John F Kennedy Intl

11:15 am - 8:45 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

15h 30m2 stops Boston Logan Intl Detroit Metropolitan Wayne County

$708Virgin Atlantic

Sun, Dec 6 - Tue, Dec 22

3:49 pm - 8:55 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

11h 06m1 stop Boston Logan Intl

5:30 am - 4:14 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

16h 44m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$723Multiple Airlines

Sun, Dec 6 - Tue, Dec 22

3:49 pm - 8:55 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

11h 06m1 stop Boston Logan Intl

11:15 am - 1:53 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

32h 38m1 stop Boston Logan Intl

$727Delta

Sun, Dec 6 - Tue, Dec 22

12:41 pm - 3:10 pmATW Appleton Intl-LIS Lisbon Humberto Delgado

20h 29m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:30 am - 6:07 pmLIS Lisbon Humberto Delgado-ATW Appleton Intl

18h 37m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$734Air France

Mon, Dec 7 - Wed, Dec 16

10:50 am - 5:30 pmGRB Green Bay Austin-Straubel-LIS Lisbon Humberto Delgado

24h 40m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 4:28 pmLIS Lisbon Humberto Delgado-GRB Green Bay Austin-Straubel

17h 28m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$742Delta

Tue, Jan 19 - Fri, Jan 22

10:50 am - 5:30 pmGRB Green Bay Austin-Straubel-LIS Lisbon Humberto Delgado

24h 40m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 4:28 pmLIS Lisbon Humberto Delgado-GRB Green Bay Austin-Straubel

17h 28m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$742Delta

Sun, Jan 17 - Fri, Jan 22

8:15 am - 8:10 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

17h 55m2 stops Chicago O'Hare Intl Newark

11:20 am - 10:01 amLIS Lisbon Humberto Delgado-MSN Madison Truax Field

28h 41m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$759United Airlines

Wed, Dec 2 - Wed, Dec 9

6:07 am - 8:10 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

20h 03m1 stop Newark

11:20 am - 10:01 amLIS Lisbon Humberto Delgado-MSN Madison Truax Field

28h 41m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$759United Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 9:05 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

21h 05m1 stop Philadelphia

11:05 am - 8:23 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 18m1 stop Philadelphia

$830American Airlines

Sun, Nov 29 - Sun, Dec 6

2:55 pm - 11:50 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 55m2 stops Chicago O'Hare Intl Madrid Barajas

11:05 am - 8:23 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 18m1 stop Philadelphia

$833American Airlines

Sun, Nov 29 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

6:39 pm - 12:35 pmMSN Madison Truax Field-LIS Lisbon Humberto Delgado

35h 56m2 stops Chicago O'Hare Intl Frankfurt am Main

5:00 am - 9:05 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

22h 05m2 stops Frankfurt am Main Chicago O'Hare Intl

$821Lufthansa

Sat, Oct 24 - Tue, Nov 3

6:39 pm - 12:35 pmMSN Madison Truax Field-LIS Lisbon Humberto Delgado

35h 56m2 stops Chicago O'Hare Intl Frankfurt am Main

2:20 pm - 11:07 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

38h 47m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$833Lufthansa

Sat, Oct 24 - Tue, Nov 3

12:39 pm - 10:20 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

39h 41m2 stops Chicago O'Hare Intl Toronto Pearson Intl

2:20 pm - 11:07 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

38h 47m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$847Multiple Airlines

Sat, Oct 24 - Tue, Nov 3

6:06 am - 9:10 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

21h 04m1 stop Newark

5:00 am - 9:05 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

22h 05m2 stops Frankfurt am Main Chicago O'Hare Intl

$861United Airlines

Sat, Oct 24 - Tue, Nov 3

6:06 am - 9:10 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

21h 04m1 stop Newark

5:00 am - 9:05 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

22h 05m2 stops Frankfurt am Main Chicago O'Hare Intl

$862United Airlines

Sat, Oct 24 - Tue, Nov 3

2:30 pm - 10:00 amMSN Madison Truax Field-LIS Lisbon Humberto Delgado

13h 30m1 stop Boston Logan Intl

5:00 am - 9:01 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

22h 01m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$863Delta

Sat, Oct 24 - Tue, Nov 3

5:48 pm - 6:30 pmMSN Madison Truax Field-LIS Lisbon Humberto Delgado

18h 42m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 5:18 pmLIS Lisbon Humberto Delgado-MSN Madison Truax Field

18h 18m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$867Delta

Sat, Oct 24 - Tue, Nov 3

5:35 am - 8:00 amATW Appleton Intl-LIS Lisbon Humberto Delgado

20h 25m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:00 am - 10:08 pmLIS Lisbon Humberto Delgado-ATW Appleton Intl

23h 08m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$994Delta

Thu, Oct 22 - Mon, Nov 2

11:36 am - 9:45 amMKE Milwaukee-Mitchell-OPO Porto

16h 09m1 stop Newark

6:00 am - 5:43 pmOPO Porto-MKE Milwaukee-Mitchell

16h 43m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,034United Airlines

Thu, Oct 22 - Thu, Oct 29

5:45 pm - 10:05 pmATW Appleton Intl-LIS Lisbon Humberto Delgado

46h 20m3 stops Detroit Metropolitan Wayne County Newark Kastrup Copenhagen

5:15 pm - 10:26 amLIS Lisbon Humberto Delgado-ATW Appleton Intl

47h 11m3 stops Kastrup Copenhagen New York John F Kennedy Intl Detroit Metropolitan Wayne County

$3,663Multiple Airlines

Thu, Oct 22 - Mon, Nov 2

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Delta flights from Wisconsin to Portugal

Our best Delta deals on Wisconsin to Portugal flight tickets

Delta

Dec 6

MSN3:49 pmMadison Truax Field

11h 06m

1 stop

LIS8:55 amLisbon Humberto Delgado

Dec 22

LIS11:15 amLisbon Humberto Delgado

32h 38m

1 stop

MSN1:53 pmMadison Truax Field

$727

Delta

Jan 17

GRB7:00 amGreen Bay Austin-Straubel

28h 30m

2 stops

LIS5:30 pmLisbon Humberto Delgado

Jan 21

LIS5:00 amLisbon Humberto Delgado

21h 37m

2 stops

GRB8:37 pmGreen Bay Austin-Straubel

$742

Delta

Jan 18

GRB5:30 amGreen Bay Austin-Straubel

20h 30m

2 stops

LIS8:00 amLisbon Humberto Delgado

Jan 22

LIS5:00 amLisbon Humberto Delgado

17h 28m

2 stops

GRB4:28 pmGreen Bay Austin-Straubel

$743

Iberia flights from Wisconsin to Portugal

Our best Iberia deals on Wisconsin to Portugal flight tickets

Iberia

Nov 30

MKE2:55 pmMilwaukee-Mitchell

19h 05m

2 stops

OPO4:00 pmPorto

Dec 9

OPO8:20 amPorto

16h 23m

2 stops

MKE6:43 pmMilwaukee-Mitchell

$769

Iberia

Nov 13

MKE2:55 pmMilwaukee-Mitchell

14h 55m

2 stops

LIS11:50 amLisbon Humberto Delgado

Nov 16

LIS6:30 amLisbon Humberto Delgado

18h 04m

2 stops

MKE6:34 pmMilwaukee-Mitchell

$927

Iberia

Dec 8

MSN3:12 pmMadison Truax Field

14h 33m

2 stops

OPO11:45 amPorto

Dec 11

OPO8:20 amPorto

16h 10m

2 stops

MSN6:30 pmMadison Truax Field

$1,563

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadisonLisbon

MSN Madison Truax Field - LIS Lisbon Humberto Delgado

MSNLIS

Madison Truax Field

Sun 12/6

2:50 pm-8:00 am

2 stops35h 10m

Lisbon Humberto Delgado

Tue 12/22

11:15 am-8:45 pm

2 stops15h 30m

$708

Quickest round-trip

MadisonLisbon

MSN Madison Truax Field - LIS Lisbon Humberto Delgado

MSNLIS

Madison Truax Field

Sun 12/6

3:49 pm-8:55 am

1 stop11h 06m

Lisbon Humberto Delgado

Tue 12/22

5:30 am-4:14 pm

2 stops16h 44m

$723

MadisonLisbon

MSN Madison Truax Field - LIS Lisbon Humberto Delgado

MSNLIS

Madison Truax Field

Sun 12/6

3:49 pm-8:55 am

1 stop11h 06m

Lisbon Humberto Delgado

Tue 12/22

11:15 am-1:53 pm

1 stop32h 38m

$727

AppletonLisbon

ATW Appleton Intl - LIS Lisbon Humberto Delgado

ATWLIS

Appleton Intl

Mon 12/7

12:41 pm-3:10 pm

2 stops20h 29m

Lisbon Humberto Delgado

Wed 12/16

5:30 am-6:07 pm

2 stops18h 37m

$734

Green BayLisbon

GRB Green Bay Austin-Straubel - LIS Lisbon Humberto Delgado

GRBLIS

Green Bay Austin-Straubel

Tue 1/19

10:50 am-5:30 pm

2 stops24h 40m

Lisbon Humberto Delgado

Fri 1/22

5:00 am-4:28 pm

2 stops17h 28m

$742

Green BayLisbon

GRB Green Bay Austin-Straubel - LIS Lisbon Humberto Delgado

GRBLIS

Green Bay Austin-Straubel

Sun 1/17

10:50 am-5:30 pm

2 stops24h 40m

Lisbon Humberto Delgado

Fri 1/22

5:00 am-4:28 pm

2 stops17h 28m

$742

MadisonLisbon

MSN Madison Truax Field - LIS Lisbon Humberto Delgado

MSNLIS

Madison Truax Field

Wed 12/2

8:15 am-8:10 am

2 stops17h 55m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-10:01 am

2 stops28h 41m

$759

MadisonLisbon

MSN Madison Truax Field - LIS Lisbon Humberto Delgado

MSNLIS

Madison Truax Field

Wed 12/2

6:07 am-8:10 am

1 stop20h 03m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-10:01 am

2 stops28h 41m

$759

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sun 11/29

6:00 am-9:05 am

1 stop21h 05m

Lisbon Humberto Delgado

Sun 12/6

11:05 am-8:23 pm

1 stop15h 18m

$830

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sun 11/29

2:55 pm-11:50 am

2 stops14h 55m

Lisbon Humberto Delgado

Sun 12/6

11:05 am-8:23 pm

1 stop15h 18m

$833

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wisconsin to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Wisconsin is in March. Flight prices, which tend to average around $479, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Wisconsin during February instead. Flights to Portugal in February, while not as cheap as those in March, still average around $683.

Can stopping save me money on Wisconsin to Portugal flights?

You could potentially save up to 3% on your flight if you consider stops on a Wisconsin to Portugal flight.

Cheap Wisconsin to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wisconsin to Portugal

Best Price Found	$338
Fastest flight time	8h 00m
Direct flights	None

The best one-way flight to Portugal from Wisconsin in the past 72 hours is $338. The best round-trip flight deal from Wisconsin to Portugal found on momondo in the last 72 hours is $708.

The fastest flight from Wisconsin to Portugal takes 8h 00m

There are no direct flights from Wisconsin to Portugal. There are no popular flight routes from Wisconsin to Portugal.

Search flight deals

Frequently asked questions about flying from Wisconsin to Portugal

When did momondo last update prices for flights from Wisconsin to Portugal?
Prices for flights from Wisconsin to Portugal were last updated today.
How many operators does momondo search for flights from Wisconsin to Portugal?
There are 3 operators available for flights from Wisconsin to Portugal as of October 2026.
How old do you have to be to fly from Wisconsin to Portugal?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Wisconsin to Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Wisconsin to Portugal

Compare and see reviews for airlines that fly from Wisconsin to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $509	Free Cancellation	Rating 7.8 8,651 reviews	Search Delta flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
American Airlines	PriceFrom $808	Free Cancellation	Rating 7.0 12,177 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Wisconsin to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from Wisconsin.

Can I find flights from Wisconsin to Portugal with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Wisconsin to Portugal flights to just show those with flexible booking policies.

How can momondo help me find flights from Wisconsin to Portugal?

Once all potential Wisconsin to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Wisconsin to Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from Wisconsin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $405

Flights to Portofrom $396

Flights to Funchalfrom $405

Flights to Farofrom $570

Flights to Ponta Delgadafrom $553

Flights to Lajesfrom $554

Flights to Hortafrom $550

Flights to Pico Islandfrom $557

Flights to Porto Santofrom $1,072

Flights to Velasfrom $557

Cheap flights from Wisconsin to Portugal from $338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to Portugal departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Wisconsin to Portugal

Our best Delta deals on Wisconsin to Portugal flight tickets

Iberia flights from Wisconsin to Portugal

Our best Iberia deals on Wisconsin to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Wisconsin to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Wisconsin to Portugal

What is the cheapest month to fly to Portugal?

Can stopping save me money on Wisconsin to Portugal flights?

What is the cheapest airline that flies from Wisconsin to Portugal?

What airlines fly to Portugal?

How long is the flight from Wisconsin to Portugal?

Cheap Wisconsin to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Wisconsin to Portugal

Best airlines flying from Wisconsin to Portugal

Compare and see reviews for airlines that fly from Wisconsin to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Wisconsin flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year