Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Milwaukee to Portugal from $282

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 Portugal departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Milwaukee to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 9:20 amMKE-LIS
36h 00m2 stops
Multiple Airlines Logo
5:00 am - 3:43 pmLIS-MKE
16h 43m2 stops
$483Multiple Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 9
Multiple Airlines Logo
2:32 pm - 8:55 amMKE-LIS
36h 23m2 stops
Multiple Airlines Logo
2:10 pm - 3:43 pmLIS-MKE
55h 33m2 stops
$486Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
United Airlines Logo
11:30 am - 8:10 amMKE-LIS
14h 40m2 stops
United Airlines Logo
5:00 am - 9:44 pmLIS-MKE
22h 44m2 stops
$497United Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 26
KLM Logo
7:02 am - 8:00 amMKE-LIS
18h 58m1 stop
KLM Logo
10:00 am - 8:48 pmLIS-MKE
16h 48m1 stop
$506KLM
Find Deal
Mon, Feb 2 - Mon, Feb 9
Delta Logo
7:10 am - 8:00 amMKE-LIS
18h 50m1 stop
Delta Logo
5:00 am - 5:34 pmLIS-MKE
18h 34m2 stops
$518Delta
Find Deal
Thu, Feb 26 - Thu, Mar 5
Delta Logo
6:29 pm - 5:30 pmMKE-LIS
17h 01m2 stops
Delta Logo
5:00 am - 5:34 pmLIS-MKE
18h 34m2 stops
$522Delta
Find Deal
Thu, Feb 26 - Thu, Mar 5
KLM Logo
7:00 am - 6:30 pmMKE-LIS
29h 30m2 stops
KLM Logo
10:00 am - 8:38 pmLIS-MKE
16h 38m1 stop
$567KLM
Find Deal
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
8:33 am - 8:10 amMKE-LIS
17h 37m2 stops
United Airlines Logo
5:00 am - 8:55 pmLIS-MKE
21h 55m2 stops
$586United Airlines
Find Deal
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
6:00 am - 8:50 amMKE-LIS
20h 50m1 stop
American Airlines Logo
11:05 am - 8:24 pmLIS-MKE
15h 19m1 stop
$646American Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
American Airlines Logo
6:50 am - 9:05 amMKE-LIS
20h 15m1 stop
American Airlines Logo
11:05 am - 7:57 pmLIS-MKE
14h 52m1 stop
$815American Airlines
Find Deal
Wed, Apr 22 - Tue, Apr 28

Delta flights from Milwaukee to Portugal

Our best Delta deals on Milwaukee to Portugal flight tickets
Delta
Feb 26
MKE7:10 amMilwaukee-Mitchell
18h 50m
1 stop
LIS8:00 amLisbon Humberto Delgado
Mar 5
LIS5:00 amLisbon Humberto Delgado
18h 34m
2 stops
MKE5:34 pmMilwaukee-Mitchell
$518
Find similar
Delta
Feb 26
MKE6:29 pmMilwaukee-Mitchell
17h 01m
2 stops
LIS5:30 pmLisbon Humberto Delgado
Mar 5
LIS5:00 amLisbon Humberto Delgado
18h 34m
2 stops
MKE5:34 pmMilwaukee-Mitchell
$522
Find similar
Delta
Feb 26
MKE7:10 amMilwaukee-Mitchell
18h 50m
1 stop
LIS8:00 amLisbon Humberto Delgado
Mar 5
LIS10:00 amLisbon Humberto Delgado
16h 38m
1 stop
MKE8:38 pmMilwaukee-Mitchell
$528
Find similar

Lufthansa flights from Milwaukee to Portugal

Our best Lufthansa deals on Milwaukee to Portugal flight tickets
Lufthansa
Apr 22
MKE11:10 amMilwaukee-Mitchell
20h 30m
2 stops
LIS1:40 pmLisbon Humberto Delgado
Apr 28
LIS10:25 amLisbon Humberto Delgado
13h 43m
1 stop
MKE6:08 pmMilwaukee-Mitchell
$726
Find similar
Lufthansa
Apr 22
MKE11:10 amMilwaukee-Mitchell
20h 30m
2 stops
LIS1:40 pmLisbon Humberto Delgado
Apr 28
LIS7:25 amLisbon Humberto Delgado
37h 39m
2 stops
MKE3:04 pmMilwaukee-Mitchell
$748
Find similar
Lufthansa
Feb 11
MKE11:29 amMilwaukee-Mitchell
14h 41m
1 stop
LIS8:10 amLisbon Humberto Delgado
Feb 15
LIS10:15 amLisbon Humberto Delgado
17h 58m
1 stop
MKE10:13 pmMilwaukee-Mitchell
$800
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Milwaukee to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 2/2

3:20 pm-9:20 am

2 stops36h 00m

Lisbon Humberto Delgado

Mon 2/9

5:00 am-3:43 pm

2 stops16h 43m

$483

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Fri 1/9

2:32 pm-8:55 am

2 stops36h 23m

Lisbon Humberto Delgado

Fri 1/16

2:10 pm-3:43 pm

2 stops55h 33m

$486

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 2/2

11:30 am-8:10 am

2 stops14h 40m

Lisbon Humberto Delgado

Thu 2/26

5:00 am-9:44 pm

2 stops22h 44m

$497

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 2/2

7:02 am-8:00 am

1 stop18h 58m

Lisbon Humberto Delgado

Mon 2/9

10:00 am-8:48 pm

1 stop16h 48m

$506

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Thu 2/26

7:10 am-8:00 am

1 stop18h 50m

Lisbon Humberto Delgado

Thu 3/5

5:00 am-5:34 pm

2 stops18h 34m

$518

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Thu 2/26

6:29 pm-5:30 pm

2 stops17h 01m

Lisbon Humberto Delgado

Thu 3/5

5:00 am-5:34 pm

2 stops18h 34m

$522

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 2/11

7:00 am-6:30 pm

2 stops29h 30m

Lisbon Humberto Delgado

Sun 2/15

10:00 am-8:38 pm

1 stop16h 38m

$567

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 2/11

8:33 am-8:10 am

2 stops17h 37m

Lisbon Humberto Delgado

Sun 2/15

5:00 am-8:55 pm

2 stops21h 55m

$586

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Fri 1/9

6:00 am-8:50 am

1 stop20h 50m

Lisbon Humberto Delgado

Fri 1/16

11:05 am-8:24 pm

1 stop15h 19m

$646

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

6:50 am-9:05 am

1 stop20h 15m

Lisbon Humberto Delgado

Tue 4/28

11:05 am-7:57 pm

1 stop14h 52m

$815

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from Milwaukee 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

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Milwaukee is in November. Flight prices, which tend to average around $742, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Milwaukee during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $830.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Milwaukee. The lowest ticket price found for a Sunday departure recently was $911. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,186.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Milwaukee to Portugal during this time can be as low as $905. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,072 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,153 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Milwaukee for as low as $734 on momondo.

Can stopping save me money on Milwaukee to Portugal flights?

You could potentially save up to 38% on your flight if you consider stops on a Milwaukee to Portugal flight.

Cheap Milwaukee to Portugal flight deals and tips

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

Direct flights

None
There are no direct flights from Milwaukee to Portugal. There are no popular flight routes from Milwaukee to Portugal.
Search flight deals

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Portugal?

    Prices for flights from Milwaukee-Mitchell Airport to Portugal are updated daily.

  • How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Portugal?

  • How old do you have to be to fly from Milwaukee-Mitchell Airport to Portugal?

    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 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 Milwaukee to Portugal

Compare and see reviews for airlines that fly from Milwaukee to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $555Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
KLMPriceFrom $670Free CancellationRating
7.7
1,405 reviews
Search KLM flights
DeltaPriceFrom $699Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $778Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Milwaukee to Portugal. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Milwaukee to Portugal on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Milwaukee to Portugal.

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

Yes. momondo can track prices for Milwaukee to Portugal 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 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.
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 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $369
Flights to Portofrom $346
Flights to Funchalfrom $389
Flights to Farofrom $380
Flights to Ponta Delgadafrom $401
Flights to Lajesfrom $497
Flights to Hortafrom $564
Flights to Pico Islandfrom $563
Flights to Porto Santofrom $646
Flights to Velasfrom $553