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

United Airlines and Air Canada 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 17 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 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.

$495 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 pm - 9:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

12h 30m1 stop Boston Logan Intl

10:00 am - 8:40 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

16h 40m1 stop New York John F Kennedy Intl

$595KLM

Tue, Nov 10 - Tue, Nov 17

11:29 am - 8:55 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

15h 26m1 stop Boston Logan Intl

11:15 am - 8:27 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 12m1 stop Boston Logan Intl

$595Air France

Sun, Nov 8 - Tue, Nov 17

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

18h 00m1 stop New York John F Kennedy Intl

10:00 am - 8:40 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

16h 40m1 stop New York John F Kennedy Intl

$595Delta

Sun, Nov 8 - Thu, Nov 19

2:30 pm - 9:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

12h 30m1 stop Boston Logan Intl

10:55 am - 8:27 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 32m1 stop Boston Logan Intl

$595Delta

Mon, Nov 9 - Fri, Nov 20

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

17h 50m1 stop New York John F Kennedy Intl

11:15 am - 8:27 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 12m1 stop Boston Logan Intl

$595Air France

Mon, Nov 9 - Tue, Nov 17

2:30 pm - 9:00 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

12h 30m1 stop Boston Logan Intl

11:15 am - 8:27 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

15h 12m1 stop Boston Logan Intl

$595Delta

Tue, Nov 10 - Wed, Nov 18

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

20h 10m1 stop Newark

5:00 am - 10:15 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

23h 15m2 stops Frankfurt am Main Chicago O'Hare Intl

$714United Airlines

Tue, Nov 10 - Sun, Nov 15

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

20h 10m1 stop Newark

5:00 am - 10:50 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

23h 50m2 stops Frankfurt am Main Newark

$714United Airlines

Thu, Nov 12 - Sat, Nov 21

11:44 am - 9:05 amMKE Milwaukee-Mitchell-LIS Lisbon Humberto Delgado

15h 21m1 stop Philadelphia

7:45 am - 7:11 pmLIS Lisbon Humberto Delgado-MKE Milwaukee-Mitchell

17h 26m2 stops Madrid Barajas Chicago O'Hare Intl

$845American Airlines

Fri, Jan 1 - Sun, Jan 31

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

$1,012American Airlines

Sat, Oct 17 - Sat, Oct 24

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Milwaukee to Lisbon

Our best Delta deals on Milwaukee to Lisbon flight tickets

Delta

Nov 8

MKE8:00 amMilwaukee-Mitchell

18h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Nov 19

LIS10:00 amLisbon Humberto Delgado

16h 40m

1 stop

MKE8:40 pmMilwaukee-Mitchell

$595

Delta

Nov 8

MKE7:03 amMilwaukee-Mitchell

18h 57m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 17

LIS10:00 amLisbon Humberto Delgado

19h 54m

2 stops

MKE11:54 pmMilwaukee-Mitchell

$599

Delta

Nov 10

MKE10:20 amMilwaukee-Mitchell

19h 05m

2 stops

LIS11:25 amLisbon Humberto Delgado

Nov 19

LIS10:00 amLisbon Humberto Delgado

19h 54m

2 stops

MKE11:54 pmMilwaukee-Mitchell

$618

United Airlines flights from Milwaukee to Lisbon

Our best United Airlines deals on Milwaukee to Lisbon flight tickets

United Airlines

Nov 7

MKE6:10 amMilwaukee-Mitchell

20h 00m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 16

LIS5:00 amLisbon Humberto Delgado

23h 15m

2 stops

MKE10:15 pmMilwaukee-Mitchell

$714

United Airlines

Nov 7

MKE3:33 pmMilwaukee-Mitchell

12h 47m

2 stops

LIS10:20 amLisbon Humberto Delgado

Nov 21

LIS5:00 amLisbon Humberto Delgado

23h 50m

2 stops

MKE10:50 pmMilwaukee-Mitchell

$719

United Airlines

Nov 6

MKE7:03 pmMilwaukee-Mitchell

31h 07m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 16

LIS5:00 amLisbon Humberto Delgado

23h 15m

2 stops

MKE10:15 pmMilwaukee-Mitchell

$720

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 11/10

2:30 pm-9:00 am

1 stop12h 30m

Lisbon Humberto Delgado

Tue 11/17

10:00 am-8:40 pm

1 stop16h 40m

$595

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sun 11/8

11:29 am-8:55 am

1 stop15h 26m

Lisbon Humberto Delgado

Tue 11/17

11:15 am-8:27 pm

1 stop15h 12m

$595

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sun 11/8

8:00 am-8:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Thu 11/19

10:00 am-8:40 pm

1 stop16h 40m

$595

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Mon 11/9

2:30 pm-9:00 am

1 stop12h 30m

Lisbon Humberto Delgado

Fri 11/20

10:55 am-8:27 pm

1 stop15h 32m

$595

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Mon 11/9

8:10 am-8:00 am

1 stop17h 50m

Lisbon Humberto Delgado

Tue 11/17

11:15 am-8:27 pm

1 stop15h 12m

$595

Quickest round-trip

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 11/10

2:30 pm-9:00 am

1 stop12h 30m

Lisbon Humberto Delgado

Wed 11/18

11:15 am-8:27 pm

1 stop15h 12m

$595

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Tue 11/10

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Sun 11/15

5:00 am-10:15 pm

2 stops23h 15m

$714

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Thu 11/12

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Sat 11/21

5:00 am-10:50 pm

2 stops23h 50m

$714

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Fri 1/1

11:44 am-9:05 am

1 stop15h 21m

Lisbon Humberto Delgado

Sun 1/31

7:45 am-7:11 pm

2 stops17h 26m

$845

MilwaukeeLisbon

MKE Milwaukee-Mitchell - LIS Lisbon Humberto Delgado

MKELIS

Milwaukee-Mitchell

Sat 10/17

2:58 pm-11:50 am

2 stops14h 52m

Lisbon Humberto Delgado

Sat 10/24

11:05 am-9:54 pm

1 stop16h 49m

$1,012

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $1,521.
The lowest price recently found on this route was $595.

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	$495
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to Lisbon from Milwaukee in the past 72 hours is $495. The best round-trip flight deal from Milwaukee to Lisbon found on momondo in the last 72 hours is $595.

The fastest flight from Milwaukee to Lisbon takes 14h 00m

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 00m.
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 38% of the total bookings. Other popular airlines include United Airlines with 33% 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 8,581 reviews	Search Delta flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
American Airlines	PriceFrom $808	Free Cancellation	Rating 7.1 12,075 reviews	Search American Airlines flights

Sintra

Setúbal

Figueira da Foz

Nazaré

Estoril

Evora

Fátima

Óbidos

Batalha

Leiria

Sines

Ericeira

Sesimbra

Zambujeira do Mar

Caldas da Rainha

Oeiras

Costa da Caparica

Comporta

Tomar

Colares

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 10/17

Sat 10/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Nearby airports

Airlines

Cabin classes

Other Portugal destinations

Other flights from Milwaukee

Complete your trip

Feeling lucky

Airports servicing Portugal

Cheap flights from Milwaukee to Lisbon from $495

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.

Find the cheapest flights from Milwaukee to Lisbon

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Milwaukee to Lisbon

Our best Delta 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

momondo Fare Finder

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

See travel insights to Lisbon from

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

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.

Popular cities in Portugal

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

Fly to other destinations from Milwaukee

According to popular flight searches on momondo this year

Complete your trip to Lisbon

Explore popular destinations other users love

According to popular flight searches on momondo this year