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 17 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?

Delta 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 September 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.

$463 Cheap Flights from Milwaukee to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Lisbon

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:53 pm - 6:55 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

31h 02m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 6:08 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

36h 48m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$730United Airlines

Tue, Dec 1 - Fri, Dec 11

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

15h 00m1 stop Newark

11:20 am - 6:08 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

36h 48m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$732United Airlines

Wed, Jan 6 - Fri, Jan 15

6:02 pm - 3:35 pmMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

15h 33m2 stops Philadelphia London Heathrow

8:20 am - 8:02 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 42m2 stops Madrid Barajas Chicago O'Hare Intl

$736American Airlines

Tue, Oct 20 - Tue, Nov 3

7:35 am - 9:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

19h 25m1 stop Boston Logan Intl

5:00 am - 9:51 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

22h 51m2 stops Amsterdam Schiphol Minneapolis St Paul

$736Delta

Tue, Dec 1 - Fri, Dec 11

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

18h 00m1 stop New York John F Kennedy Intl

5:00 am - 5:40 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

18h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$736KLM

Tue, Oct 20 - Tue, Nov 3

8:29 am - 8:10 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

17h 41m2 stops Chicago O'Hare Intl Newark

11:20 am - 5:31 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

36h 11m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$736United Airlines

Wed, Jan 6 - Fri, Jan 15

12:37 pm - 9:05 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

14h 28m1 stop Philadelphia

11:05 am - 10:55 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 50m1 stop Philadelphia

$747American Airlines

Tue, Dec 1 - Fri, Dec 11

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

18h 00m1 stop New York John F Kennedy Intl

10:00 am - 8:35 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

16h 35m1 stop New York John F Kennedy Intl

$747KLM

Tue, Oct 20 - Tue, Nov 3

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

17h 50m1 stop New York John F Kennedy Intl

5:00 am - 8:52 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

21h 52m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$785Delta

Mon, Nov 30 - Mon, Dec 14

11:29 am - 9:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

16h 31m1 stop Boston Logan Intl

11:30 am - 11:53 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

18h 23m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$786Delta

Tue, Oct 27 - Mon, Nov 2

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United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

United Airlines

Dec 1

MKE5:53 pmMilwaukee-Mitchell

31h 02m

2 stops

LIS6:55 amLisbon Humberto Delgado

Dec 11

LIS11:20 amLisbon Humberto Delgado

36h 48m

2 stops

MKE6:08 pmMilwaukee-Mitchell

$730

United Airlines

Jan 6

MKE11:10 amMilwaukee-Mitchell

15h 00m

1 stop

LIS8:10 amLisbon Humberto Delgado

Jan 15

LIS11:20 amLisbon Humberto Delgado

36h 48m

2 stops

MKE6:08 pmMilwaukee-Mitchell

$732

United Airlines

Nov 30

MKE8:00 amMilwaukee-Mitchell

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Dec 14

LIS12:25 pmLisbon Humberto Delgado

36h 23m

2 stops

MKE6:48 pmMilwaukee-Mitchell

$759

Aer Lingus flights from Milwaukee to Lisbon

Our best Aer Lingus deals on Milwaukee to Lisbon flight tickets

Aer Lingus

Sep 14

MKE1:18 pmMilwaukee-Mitchell

26h 17m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 22

LIS10:15 pmLisbon Humberto Delgado

27h 48m

2 stops

MKE8:03 pmMilwaukee-Mitchell

$1,104

Aer Lingus

Sep 15

MKE11:37 amMilwaukee-Mitchell

27h 58m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 22

LIS10:15 pmLisbon Humberto Delgado

29h 39m

2 stops

MKE9:54 pmMilwaukee-Mitchell

$1,142

Aer Lingus

Sep 14

MKE1:18 pmMilwaukee-Mitchell

26h 17m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 22

LIS10:15 pmLisbon Humberto Delgado

39h 46m

2 stops

MKE8:01 amMilwaukee-Mitchell

$1,144

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 12/1

5:53 pm-6:55 am

2 stops31h 02m

Lisbon Humberto Delgado

Fri 12/11

11:20 am-6:08 pm

2 stops36h 48m

$730

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Wed 1/6

11:10 am-8:10 am

1 stop15h 00m

Lisbon Humberto Delgado

Fri 1/15

11:20 am-6:08 pm

2 stops36h 48m

$732

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 10/20

6:02 pm-3:35 pm

2 stops15h 33m

Lisbon Humberto Delgado

Tue 11/3

8:20 am-8:02 pm

2 stops17h 42m

$736

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 12/1

7:35 am-9:00 am

1 stop19h 25m

Lisbon Humberto Delgado

Fri 12/11

5:00 am-9:51 pm

2 stops22h 51m

$736

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 10/20

8:00 am-8:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Tue 11/3

5:00 am-5:40 pm

2 stops18h 40m

$736

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Wed 1/6

8:29 am-8:10 am

2 stops17h 41m

Lisbon Humberto Delgado

Fri 1/15

11:20 am-5:31 pm

2 stops36h 11m

$736

Quickest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 12/1

12:37 pm-9:05 am

1 stop14h 28m

Lisbon Humberto Delgado

Fri 12/11

11:05 am-10:55 pm

1 stop17h 50m

$747

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 10/20

8:00 am-8:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Tue 11/3

10:00 am-8:35 pm

1 stop16h 35m

$747

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Mon 11/30

8:10 am-8:00 am

1 stop17h 50m

Lisbon Humberto Delgado

Mon 12/14

5:00 am-8:52 pm

2 stops21h 52m

$785

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 10/27

11:29 am-9:00 am

1 stop16h 31m

Lisbon Humberto Delgado

Mon 11/2

11:30 am-11:53 pm

2 stops18h 23m

$786

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 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 typical price of a round-trip flight between Milwaukee and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from $1,101 to $1,526.
The lowest price recently found on this route was $730.

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	$463
Fastest flight time	14h 35m
Direct flights	None

The best one-way flight to Lisbon from Milwaukee in the past 72 hours is $463. The best round-trip flight deal from Milwaukee to Lisbon found on momondo in the last 72 hours is $730.

The fastest flight from Milwaukee to Lisbon takes 14h 35m

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 35m.
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 September 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 43% of the total bookings. Other popular airlines include United Airlines with 31% and Delta with 26%.

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 8,573 reviews	Search Delta flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 10,171 reviews	Search United Airlines flights
American Airlines	PriceFrom $808	Free Cancellation	Rating 7.1 12,044 reviews	Search American Airlines flights

Sintra

Fátima

Figueira da Foz

Nazaré

Setúbal

Estoril

Evora

Ericeira

Óbidos

Batalha

Oeiras

Leiria

Sesimbra

Zambujeira do Mar

Comporta

Sines

Caldas da Rainha

Costa da Caparica

Peniche

Tomar

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 $463

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 11/11. 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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United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

Aer Lingus flights from Milwaukee to Lisbon

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How to get the cheapest flight ticket from Milwaukee to Lisbon

What is the typical price of a round-trip flight between Milwaukee and 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

Fastest flight time

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

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

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