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

Aer Lingus and American Airlines are the most popular carriers operating from Milwaukee-Mitchell to Lisbon Humberto Delgado

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.

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 11:30 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

22h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

3:55 pm - 4:46 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

30h 51m2 stops Frankfurt am Main Chicago O'Hare Intl

$783Lufthansa

Tue, Jan 12 - Mon, Jan 18

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

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

8:45 pm - 6:34 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

27h 49m2 stops Madrid Barajas Chicago O'Hare Intl

$787Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

1:00 pm - 3:10 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

20h 10m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 9:08 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

22h 08m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$792Delta

Thu, Feb 4 - Thu, Feb 11

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

6:00 am - 8:10 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

11:20 am - 10:03 amLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

28h 43m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$811United Airlines

Tue, Nov 24 - Tue, Dec 1

11:07 am - 8:10 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

15h 03m1 stop Newark

12:25 pm - 8:36 amLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

26h 11m2 stops Frankfurt am Main Chicago O'Hare Intl

$812United Airlines

Mon, Nov 9 - Mon, Nov 16

6:00 am - 8:10 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

5:00 am - 8:55 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 55m2 stops Frankfurt am Main Chicago O'Hare Intl

$812United Airlines

Thu, Nov 26 - Thu, Dec 3

11:45 am - 8:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 15m1 stop New York John F Kennedy Intl

5:00 am - 8:22 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 22m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$813Delta

Thu, Nov 26 - Thu, Dec 3

11:45 am - 11:25 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

17h 40m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 8:22 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 22m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$817Delta

Thu, Nov 26 - Thu, Dec 3

12:35 pm - 9:05 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 30m1 stop Philadelphia

8:20 am - 7:32 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 12m2 stops Madrid Barajas Chicago O'Hare Intl

$823American Airlines

Tue, Jan 12 - Mon, Jan 18

Cheap last minute flights

Enter your travel dates to find the best prices.

2:40 pm - 10:45 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 05m1 stop Boston Logan Intl

5:30 am - 8:10 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

19h 40m2 stops Paris Charles de Gaulle Minneapolis St Paul

$1,045Multiple Airlines

Sat, Oct 17 - Fri, Oct 30

10:16 am - 8:50 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

16h 34m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:30 am - 8:10 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

19h 40m2 stops Paris Charles de Gaulle Minneapolis St Paul

$1,049Delta

Sat, Oct 17 - Fri, Oct 30

1:24 pm - 2:55 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

19h 31m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:30 am - 9:13 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

20h 43m2 stops Paris Charles de Gaulle Minneapolis St Paul

$1,049Delta

Sat, Oct 17 - Fri, Oct 30

2:58 pm - 11:10 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

26h 12m2 stops Chicago O'Hare Intl London Heathrow

7:05 am - 10:42 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

20h 37m2 stops London Heathrow Chicago O'Hare Intl

$1,098British Airways

Sat, Oct 17 - Fri, Oct 30

6:38 pm - 8:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

31h 42m1 stop Newark

5:00 am - 8:36 amLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

32h 36m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,104United Airlines

Sat, Oct 17 - Fri, Oct 30

11:29 am - 8:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 51m1 stop Newark

12:20 pm - 9:25 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 05m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,223United Airlines

Sat, Oct 17 - Sat, Oct 24

12:05 pm - 8:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 15m2 stops Chicago O'Hare Intl Newark

12:20 pm - 9:25 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 05m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,223United Airlines

Sat, Oct 17 - Sat, Oct 24

2:58 pm - 11:50 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 52m2 stops Chicago O'Hare Intl Madrid Barajas

11:05 am - 9:54 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

16h 49m1 stop Philadelphia

$1,267American Airlines

Sat, Oct 17 - Sat, Oct 24

2:58 pm - 11:50 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 52m2 stops Chicago O'Hare Intl Madrid Barajas

11:05 am - 9:54 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

16h 49m2 stops Philadelphia Chicago O'Hare Intl

$1,271American Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 8:20 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

20h 20m1 stop Newark

10:15 am - 11:04 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 49m1 stop Newark

$1,382Lufthansa

Sat, Oct 17 - Fri, Oct 30

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Lufthansa flights from Milwaukee to Lisbon

Our best Lufthansa deals on Milwaukee to Lisbon flight tickets

Lufthansa

Jan 12

MKE6:50 pmMilwaukee-Mitchell

22h 40m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Jan 18

LIS3:55 pmLisbon Humberto Delgado

30h 51m

2 stops

MKE4:46 pmMilwaukee-Mitchell

$783

Lufthansa

Oct 17

MKE6:00 amMilwaukee-Mitchell

20h 20m

1 stop

LIS8:20 amLisbon Humberto Delgado

Oct 30

LIS10:15 amLisbon Humberto Delgado

17h 49m

1 stop

MKE11:04 pmMilwaukee-Mitchell

$1,382

United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

United Airlines

Nov 24

MKE6:00 amMilwaukee-Mitchell

20h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Dec 1

LIS11:20 amLisbon Humberto Delgado

28h 43m

2 stops

MKE10:03 amMilwaukee-Mitchell

$811

United Airlines

Nov 9

MKE11:07 amMilwaukee-Mitchell

15h 03m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 16

LIS12:25 pmLisbon Humberto Delgado

26h 11m

2 stops

MKE8:36 amMilwaukee-Mitchell

$812

United Airlines

Nov 26

MKE10:48 amMilwaukee-Mitchell

17h 32m

2 stops

LIS10:20 amLisbon Humberto Delgado

Dec 3

LIS5:00 amLisbon Humberto Delgado

21h 55m

2 stops

MKE8:55 pmMilwaukee-Mitchell

$816

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 1/12

6:50 pm-11:30 pm

2 stops22h 40m

Lisbon Humberto Delgado

Mon 1/18

3:55 pm-4:46 pm

2 stops30h 51m

$783

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Mon 11/9

2:55 pm-11:50 am

2 stops14h 55m

Lisbon Humberto Delgado

Mon 11/16

8:45 pm-6:34 pm

2 stops27h 49m

$787

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Thu 2/4

1:00 pm-3:10 pm

2 stops20h 10m

Lisbon Humberto Delgado

Thu 2/11

5:00 am-9:08 pm

2 stops22h 08m

$792

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 11/24

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Tue 12/1

11:20 am-10:03 am

2 stops28h 43m

$811

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Mon 11/9

11:07 am-8:10 am

1 stop15h 03m

Lisbon Humberto Delgado

Mon 11/16

12:25 pm-8:36 am

2 stops26h 11m

$812

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Thu 11/26

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-8:55 pm

2 stops21h 55m

$812

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Thu 11/26

11:45 am-8:00 am

1 stop14h 15m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-8:22 pm

2 stops21h 22m

$813

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Thu 11/26

11:45 am-11:25 am

2 stops17h 40m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-8:22 pm

2 stops21h 22m

$817

Quickest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 1/12

12:35 pm-9:05 am

1 stop14h 30m

Lisbon Humberto Delgado

Mon 1/18

8:20 am-7:32 pm

2 stops17h 12m

$823

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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	14h 05m
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 $783.

The fastest flight from Milwaukee to Lisbon takes 14h 05m

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 14h 05m.
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 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
American Airlines	PriceFrom $808	Free Cancellation	Rating 7.0 12,165 reviews	Search American Airlines flights

Sintra

Setúbal

Figueira da Foz

Nazaré

Evora

Estoril

Fátima

Óbidos

Sesimbra

Batalha

Leiria

Sines

Caldas da Rainha

Comporta

Ericeira

Oeiras

Costa da Caparica

Tomar

Torres Vedras

Beja

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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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Lufthansa flights from Milwaukee to Lisbon

Our best Lufthansa deals on Milwaukee to Lisbon flight tickets

United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

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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

Best Price Found

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Direct flights

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

Traveling to a place near Lisbon?

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

Airports servicing Portugal

Fly your favorite airline to Lisbon

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

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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