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Cheap flights from Milwaukee to Portugal from $228

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 2/23. 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

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Find the cheapest flights from Milwaukee to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:32 pm - 7:55 pmMKE-LIS
23h 23m2 stops
Lufthansa Logo
5:00 am - 9:59 pmLIS-MKE
22h 59m2 stops
$455Lufthansa
Find Deal
mié., ene. 7 - mié., ene. 14
Air Canada Logo
2:32 pm - 9:20 amMKE-LIS
36h 48m2 stops
Air Canada Logo
11:20 am - 3:43 pmLIS-MKE
34h 23m2 stops
$461Air Canada
Find Deal
jue., ene. 15 - mar., ene. 20
Delta Logo
9:33 am - 11:20 amMKE-LIS
19h 47m2 stops
Delta Logo
10:00 am - 11:44 pmLIS-MKE
19h 44m2 stops
$465Delta
Find Deal
mar., ene. 13 - jue., ene. 22
Multiple Airlines Logo
1:04 pm - 2:45 pmMKE-LIS
19h 41m2 stops
Multiple Airlines Logo
6:30 am - 10:05 pmLIS-MKE
21h 35m2 stops
$466Multiple Airlines
Find Deal
jue., ene. 15 - mar., ene. 20
American Airlines Logo
6:58 pm - 6:00 pmMKE-LIS
17h 02m2 stops
American Airlines Logo
8:20 am - 6:26 pmLIS-MKE
16h 06m2 stops
$467American Airlines
Find Deal
jue., ene. 15 - mar., ene. 20
American Airlines Logo
1:04 pm - 12:10 pmMKE-LIS
17h 06m2 stops
American Airlines Logo
11:05 am - 10:22 amLIS-MKE
29h 17m1 stop
$468American Airlines
Find Deal
jue., ene. 15 - mar., ene. 20
American Airlines Logo
1:04 pm - 12:10 pmMKE-LIS
17h 06m2 stops
American Airlines Logo
11:05 am - 10:22 amLIS-MKE
29h 17m1 stop
$469American Airlines
Find Deal
jue., ene. 15 - mar., ene. 20
Delta Logo
5:06 pm - 5:30 pmMKE-LIS
18h 24m2 stops
Delta Logo
10:00 am - 8:58 pmLIS-MKE
16h 58m1 stop
$475Delta
Find Deal
mar., ene. 13 - mié., ene. 21
Multiple Airlines Logo
7:30 am - 10:30 pmMKE-PDL
34h 00m3 stops
Multiple Airlines Logo
5:50 pm - 7:20 pmPDL-MKE
30h 30m3 stops
$1,857Multiple Airlines
Find Deal
jue., dic. 18 - dom., dic. 28
Air France Logo
7:05 am - 4:20 pmMKE-PDL
28h 15m2 stops
Air France Logo
7:30 am - 11:46 pmPDL-MKE
21h 16m2 stops
$7,225Air France
Find Deal
vie., feb. 6 - mar., feb. 10

United Airlines flights from Milwaukee to Portugal

Our best United Airlines deals on Milwaukee to Portugal flight tickets
United Airlines
Jan 12
MKE10:30 amMilwaukee-Mitchell
15h 40m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 23
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$483
Find similar
United Airlines
Jan 14
MKE11:29 amMilwaukee-Mitchell
15h 51m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 21
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$489
Find similar
United Airlines
Jan 13
MKE6:00 amMilwaukee-Mitchell
21h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 18
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$492
Find similar

Lufthansa flights from Milwaukee to Portugal

Our best Lufthansa deals on Milwaukee to Portugal flight tickets
Lufthansa
Jan 7
MKE2:32 pmMilwaukee-Mitchell
23h 23m
2 stops
LIS7:55 pmLisbon Humberto Delgado
Jan 14
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$455
Find similar
Lufthansa
Jan 7
MKE2:32 pmMilwaukee-Mitchell
23h 23m
2 stops
LIS7:55 pmLisbon Humberto Delgado
Jan 14
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$488
Find similar
Lufthansa
Dec 4
MKE11:25 amMilwaukee-Mitchell
14h 45m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 11
LIS10:15 amLisbon Humberto Delgado
12h 57m
1 stop
MKE5:12 pmMilwaukee-Mitchell
$558
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 noviembre 26, 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

mié. 1/7

2:32 pm-7:55 pm

2 stops23h 23m

Lisbon Humberto Delgado

mié. 1/14

5:00 am-9:59 pm

2 stops22h 59m

$455

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

jue. 1/15

2:32 pm-9:20 am

2 stops36h 48m

Lisbon Humberto Delgado

mar. 1/20

11:20 am-3:43 pm

2 stops34h 23m

$461

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 1/13

9:33 am-11:20 am

2 stops19h 47m

Lisbon Humberto Delgado

jue. 1/22

10:00 am-11:44 pm

2 stops19h 44m

$465

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

jue. 1/15

1:04 pm-2:45 pm

2 stops19h 41m

Lisbon Humberto Delgado

mar. 1/20

6:30 am-10:05 pm

2 stops21h 35m

$466

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

jue. 1/15

6:58 pm-6:00 pm

2 stops17h 02m

Lisbon Humberto Delgado

mar. 1/20

8:20 am-6:26 pm

2 stops16h 06m

$467

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

jue. 1/15

1:04 pm-12:10 pm

2 stops17h 06m

Lisbon Humberto Delgado

mar. 1/20

11:05 am-10:22 am

1 stop29h 17m

$468

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

jue. 1/15

1:04 pm-12:10 pm

2 stops17h 06m

Lisbon Humberto Delgado

mar. 1/20

11:05 am-10:22 am

1 stop29h 17m

$469

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 1/13

5:06 pm-5:30 pm

2 stops18h 24m

Lisbon Humberto Delgado

mié. 1/21

10:00 am-8:58 pm

1 stop16h 58m

$475

MilwaukeePonta Delgada

MKE - PDL

MKEPDL

Milwaukee-Mitchell

jue. 12/18

7:30 am-10:30 pm

3 stops34h 00m

Ponta Delgada Nordela

dom. 12/28

5:50 pm-7:20 pm

3 stops30h 30m

$1,857

MilwaukeePonta Delgada

MKE - PDL

MKEPDL

Milwaukee-Mitchell

vie. 2/6

7:05 am-4:20 pm

2 stops28h 15m

Ponta Delgada Nordela

mar. 2/10

7:30 am-11:46 pm

2 stops21h 16m

$7,225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $786.

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 $1,142 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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Milwaukee to Portugal takes 11h 20m
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
9,046 reviews
Search United Airlines flights
KLMPriceFrom $670Free CancellationRating
7.7
1,423 reviews
Search KLM flights
DeltaPriceFrom $695Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $778Free CancellationRating
7.2
11,038 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.

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1 adult
vie. 12/26
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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 $315
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Flights to Pico Islandfrom $558
Flights to Porto Santofrom $791
Flights to Velasfrom $572