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Cheap flights from Milwaukee to Portugal from $347

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 7/26. 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.
United Airlines Logo
2:32 pm - 10:30 am
MKE
-
LIS
13h 58m
2 stops
United Airlines Logo
7:25 am - 10:55 pm
LIS
-
MKE
21h 30m
2 stops
$501United Airlines
ma, huhti 20 - la, Touko 2
United Airlines Logo
12:13 pm - 10:30 am
MKE
-
LIS
16h 17m
2 stops
United Airlines Logo
6:15 am - 10:03 pm
LIS
-
MKE
21h 48m
2 stops
$502United Airlines
ma, huhti 20 - to, huhti 30
United Airlines Logo
7:50 am - 11:45 am
MKE
-
LIS
21h 55m
2 stops
United Airlines Logo
11:25 am - 9:18 pm
LIS
-
MKE
39h 53m
2 stops
$508United Airlines
su, huhti 12 - ti, huhti 21
British Airways Logo
1:53 pm - 11:10 pm
MKE
-
LIS
27h 17m
2 stops
British Airways Logo
7:20 am - 8:06 pm
LIS
-
MKE
18h 46m
2 stops
$509British Airways
pe, huhti 17 - su, huhti 26
British Airways Logo
1:53 pm - 11:10 pm
MKE
-
LIS
27h 17m
2 stops
British Airways Logo
7:20 am - 8:06 pm
LIS
-
MKE
18h 46m
2 stops
$510British Airways
pe, huhti 17 - su, huhti 26
Delta Logo
1:54 pm - 2:55 pm
MKE
-
LIS
19h 01m
2 stops
Delta Logo
12:45 pm - 7:16 pm
LIS
-
MKE
12h 31m
1 stop
$512Delta
ma, huhti 20 - ke, huhti 29
Delta Logo
5:05 pm - 2:55 pm
MKE
-
LIS
15h 50m
2 stops
Delta Logo
12:45 pm - 7:16 pm
LIS
-
MKE
12h 31m
1 stop
$513Delta
ke, huhti 22 - ke, huhti 29
Lufthansa Logo
7:22 pm - 10:45 pm
MKE
-
LIS
21h 23m
2 stops
Lufthansa Logo
5:05 am - 5:55 pm
LIS
-
MKE
18h 50m
2 stops
$530Lufthansa
ke, huhti 22 - ke, huhti 29
Scandinavian Airlines Logo
12:27 pm - 3:10 pm
MKE
-
LIS
21h 43m
2 stops
Scandinavian Airlines Logo
5:00 am - 6:40 pm
LIS
-
MKE
18h 40m
2 stops
$531Scandinavian Airlines
ti, maalis 17 - to, maalis 26
Lufthansa Logo
11:39 am - 9:30 am
MKE
-
OPO
15h 51m
1 stop
Lufthansa Logo
12:30 pm - 10:28 pm
OPO
-
MKE
15h 58m
2 stops
$728Lufthansa
ke, helmi 25 - ke, maalis 4

United Airlines flights from Milwaukee to Portugal

Our best United Airlines deals on Milwaukee to Portugal flight tickets
United Airlines
Apr 20
MKE2:32 pmMilwaukee-Mitchell
13h 58m
2 stops
LIS10:30 amLisbon Humberto Delgado
May 2
LIS7:25 amLisbon Humberto Delgado
21h 30m
2 stops
MKE10:55 pmMilwaukee-Mitchell
$501
United Airlines
Apr 20
MKE12:13 pmMilwaukee-Mitchell
16h 17m
2 stops
LIS10:30 amLisbon Humberto Delgado
Apr 30
LIS6:15 amLisbon Humberto Delgado
21h 48m
2 stops
MKE10:03 pmMilwaukee-Mitchell
$502
United Airlines
Apr 12
MKE7:50 amMilwaukee-Mitchell
21h 55m
2 stops
LIS11:45 amLisbon Humberto Delgado
Apr 21
LIS11:25 amLisbon Humberto Delgado
39h 53m
2 stops
MKE9:18 pmMilwaukee-Mitchell
$508

Delta flights from Milwaukee to Portugal

Our best Delta deals on Milwaukee to Portugal flight tickets
Delta
Apr 20
MKE1:54 pmMilwaukee-Mitchell
19h 01m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Apr 29
LIS12:45 pmLisbon Humberto Delgado
12h 31m
1 stop
MKE7:16 pmMilwaukee-Mitchell
$512
Delta
Apr 22
MKE5:05 pmMilwaukee-Mitchell
15h 50m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Apr 29
LIS12:45 pmLisbon Humberto Delgado
12h 31m
1 stop
MKE7:16 pmMilwaukee-Mitchell
$513
Delta
Apr 8
MKE12:27 pmMilwaukee-Mitchell
20h 08m
2 stops
LIS2:35 pmLisbon Humberto Delgado
Apr 13
LIS5:35 amLisbon Humberto Delgado
19h 41m
2 stops
MKE7:16 pmMilwaukee-Mitchell
$514

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 helmikuu 14, 2026.
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

ma 4/20

2:32 pm-10:30 am

2 stops13h 58m

Lisbon Humberto Delgado

la 5/2

7:25 am-10:55 pm

2 stops21h 30m

$501

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

ma 4/20

12:13 pm-10:30 am

2 stops16h 17m

Lisbon Humberto Delgado

to 4/30

6:15 am-10:03 pm

2 stops21h 48m

$502

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

su 4/12

7:50 am-11:45 am

2 stops21h 55m

Lisbon Humberto Delgado

ti 4/21

11:25 am-9:18 pm

2 stops39h 53m

$508

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

pe 4/17

1:53 pm-11:10 pm

2 stops27h 17m

Lisbon Humberto Delgado

su 4/26

7:20 am-8:06 pm

2 stops18h 46m

$509

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

pe 4/17

1:53 pm-11:10 pm

2 stops27h 17m

Lisbon Humberto Delgado

su 4/26

7:20 am-8:06 pm

2 stops18h 46m

$510

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

ma 4/20

1:54 pm-2:55 pm

2 stops19h 01m

Lisbon Humberto Delgado

ke 4/29

12:45 pm-7:16 pm

1 stop12h 31m

$512

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

ke 4/22

5:05 pm-2:55 pm

2 stops15h 50m

Lisbon Humberto Delgado

ke 4/29

12:45 pm-7:16 pm

1 stop12h 31m

$513

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

ke 4/22

7:22 pm-10:45 pm

2 stops21h 23m

Lisbon Humberto Delgado

ke 4/29

5:05 am-5:55 pm

2 stops18h 50m

$530

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

ti 3/17

12:27 pm-3:10 pm

2 stops21h 43m

Lisbon Humberto Delgado

to 3/26

5:00 am-6:40 pm

2 stops18h 40m

$531

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

ke 2/25

11:39 am-9:30 am

1 stop15h 51m

Porto

ke 3/4

12:30 pm-10:28 pm

2 stops15h 58m

$728

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

Can stopping save me money on Milwaukee to Portugal flights?

You could potentially save up to 35% 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

16h 00m

Direct flights

None
The fastest flight from Milwaukee to Portugal takes 16h 00m
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
DeltaPriceFrom $509Free CancellationRating
7.9
8,203 reviews
Search Delta flights
United AirlinesPriceFrom $509Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
American AirlinesPriceFrom $703Free CancellationRating
7.2
11,288 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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