What airlines fly to Lisbon?

TAP AIR PORTUGAL, United Airlines and American Airlines are the top three most popular airlines that fly to Lisbon from Milwaukee according to our data. TAP AIR PORTUGAL is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 16 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Milwaukee-Mitchell to Lisbon Humberto Delgado?

Aer Lingus is the most popular carrier operating from Milwaukee-Mitchell to Lisbon Humberto Delgado

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport refresh daily.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?

As of October 2026, there are 3 operators available to choose from for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport.

How old do you have to be to fly from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$505 Cheap Flights from Milwaukee to Lisbon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Lisbon

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5:00 pm - 2:55 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

15h 55m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

11:55 am - 11:49 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 54m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$792Delta

Sat, Apr 17 - Thu, Apr 29

5:00 pm - 5:50 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

18h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 6:04 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

19h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$792Delta

Sat, Apr 17 - Fri, Apr 30

6:45 pm - 9:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

32h 35m2 stops Newark Montreal Pierre Elliott Trudeau Intl

11:25 am - 1:27 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

32h 02m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$792United Airlines

Tue, Apr 6 - Tue, Apr 13

6:45 pm - 8:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

31h 35m1 stop Newark

7:25 am - 10:39 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 14m2 stops Frankfurt am Main Chicago O'Hare Intl

$796United Airlines

Sat, Apr 17 - Thu, Apr 29

6:45 pm - 9:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

32h 35m2 stops Newark Montreal Pierre Elliott Trudeau Intl

5:05 am - 10:39 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

23h 34m2 stops Frankfurt am Main Chicago O'Hare Intl

$800United Airlines

Sat, Apr 17 - Fri, Apr 30

5:00 pm - 5:50 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

18h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

12:45 pm - 6:59 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

12h 14m1 stop Boston Logan Intl

$803Delta

Sat, Apr 17 - Fri, Apr 30

2:23 pm - 9:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

36h 57m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

7:25 am - 10:39 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 14m2 stops Frankfurt am Main Chicago O'Hare Intl

$805Multiple Airlines

Tue, Apr 6 - Tue, Apr 13

2:23 pm - 9:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

36h 57m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 10:39 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

23h 34m2 stops Frankfurt am Main Chicago O'Hare Intl

$805Multiple Airlines

Tue, Apr 6 - Tue, Apr 13

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

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United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

United Airlines

Apr 6

MKE6:45 pmMilwaukee-Mitchell

32h 35m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 13

LIS11:25 amLisbon Humberto Delgado

32h 02m

2 stops

MKE1:27 pmMilwaukee-Mitchell

$792

United Airlines

Apr 17

MKE6:45 pmMilwaukee-Mitchell

31h 35m

1 stop

LIS8:20 amLisbon Humberto Delgado

Apr 29

LIS7:25 amLisbon Humberto Delgado

21h 14m

2 stops

MKE10:39 pmMilwaukee-Mitchell

$796

United Airlines

Apr 6

MKE6:45 pmMilwaukee-Mitchell

32h 35m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 13

LIS5:05 amLisbon Humberto Delgado

19h 34m

2 stops

MKE6:39 pmMilwaukee-Mitchell

$800

Delta flights from Milwaukee to Lisbon

Our best Delta deals on Milwaukee to Lisbon flight tickets

Delta

Apr 17

MKE5:00 pmMilwaukee-Mitchell

18h 50m

2 stops

LIS5:50 pmLisbon Humberto Delgado

Apr 30

LIS12:45 pmLisbon Humberto Delgado

12h 14m

1 stop

MKE6:59 pmMilwaukee-Mitchell

$803

Delta

Nov 28

MKE7:35 amMilwaukee-Mitchell

19h 25m

1 stop

LIS9:00 amLisbon Humberto Delgado

Dec 5

LIS10:00 amLisbon Humberto Delgado

16h 52m

1 stop

MKE8:52 pmMilwaukee-Mitchell

$1,007

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 4/17

5:00 pm-2:55 pm

2 stops15h 55m

Lisbon Humberto Delgado

Thu 4/29

11:55 am-11:49 pm

2 stops17h 54m

$792

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 4/17

5:00 pm-5:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Fri 4/30

5:00 am-6:04 pm

2 stops19h 04m

$792

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 4/6

6:45 pm-9:20 am

2 stops32h 35m

Lisbon Humberto Delgado

Tue 4/13

11:25 am-1:27 pm

2 stops32h 02m

$792

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 4/17

6:45 pm-8:20 am

1 stop31h 35m

Lisbon Humberto Delgado

Thu 4/29

7:25 am-10:39 pm

2 stops21h 14m

$796

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 4/17

6:45 pm-9:20 am

2 stops32h 35m

Lisbon Humberto Delgado

Fri 4/30

5:05 am-10:39 pm

2 stops23h 34m

$800

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 4/17

5:00 pm-5:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Fri 4/30

12:45 pm-6:59 pm

1 stop12h 14m

$803

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 4/6

2:23 pm-9:20 am

2 stops36h 57m

Lisbon Humberto Delgado

Tue 4/13

7:25 am-10:39 pm

2 stops21h 14m

$805

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 4/6

2:23 pm-9:20 am

2 stops36h 57m

Lisbon Humberto Delgado

Tue 4/13

5:05 am-10:39 pm

2 stops23h 34m

$805

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

Quickest round-trip

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 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to Lisbon

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

What is the cheapest month to fly to Lisbon?

In general, March is the cheapest month to fly from Milwaukee to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $595. If you are unable to visit Lisbon during the month of March, then departing from Milwaukee during the month February is also very affordable. Most momondo users find prices during this month for around $714.

Can stopping save me money on Milwaukee to Lisbon flights?

You could potentially save up to 21% on your flight if you consider stops on a Milwaukee to Lisbon flight.

When to book flights from Milwaukee to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Lisbon (MKE to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Lisbon

Best Price Found	$505
Fastest flight time	12h 44m
Direct flights	None

The best one-way flight to Lisbon from Milwaukee in the past 72 hours is $505. The best round-trip flight deal from Milwaukee to Lisbon found on momondo in the last 72 hours is $792.

The fastest flight from Milwaukee to Lisbon takes 12h 44m

There are no direct flights from Milwaukee to Lisbon. There are no popular flight routes from Milwaukee to Lisbon.

Search flight deals

Frequently asked questions about flying from Milwaukee to Lisbon

How far is Milwaukee-Mitchell to Lisbon Humberto Delgado by plane?
Milwaukee-Mitchell and Lisbon Humberto Delgado are 3967.1 mi apart from one another. By plane, this route typically takes 12h 44m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?
As of October 2026, there are 3 operators available to choose from for flights from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Milwaukee to Lisbon?
Based on momondo bookings for flights between Milwaukee and Lisbon, the leading airline is American Airlines, making up 40% of the total bookings. Other popular airlines include United Airlines with 31% and Delta with 29%.

Best airlines flying from Milwaukee to Lisbon

Compare and see reviews for airlines that fly from Milwaukee to Lisbon 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

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Setúbal

Figueira da Foz

Nazaré

Evora

Estoril

Fátima

Óbidos

Ericeira

Sesimbra

Batalha

Leiria

Sines

Caldas da Rainha

Comporta

Oeiras

Costa da Caparica

Tomar

Torres Vedras

Beja

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Lisbon?

Finding the right flight to Lisbon from Milwaukee is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

Can I find flights from Milwaukee to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Milwaukee which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Milwaukee to Lisbon?

momondo provides multiple filters to help you find the best flight to Lisbon from Milwaukee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Milwaukee to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Milwaukee to Lisbon from $505

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Lisbon departing on 10/30. 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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How to get the cheapest flight ticket from Milwaukee to Lisbon

What is the cheapest month to fly to Lisbon?

Can stopping save me money on Milwaukee to Lisbon flights?

What is the cheapest airline that flies from Milwaukee-Mitchell to Lisbon Humberto Delgado?

What airlines fly to Lisbon?

When to book flights from Milwaukee to Lisbon

Cheap Milwaukee to Lisbon (MKE to LIS) flight deals and tips

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Fastest flight time

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Frequently asked questions about flying from Milwaukee to Lisbon

Best airlines flying from Milwaukee to Lisbon

Compare and see reviews for airlines that fly from Milwaukee to Lisbon with momondo

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Why use momondo?

An easier way to manage your Lisbon 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

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Cabin classes currently available on flights to Lisbon

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

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