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Cheap flights from Milwaukee to Portugal from $328

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 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Iberia Logo
1:53 pm - 8:05 pm
MKE
-
LIS
24h 12m
2 stops
Iberia Logo
6:35 am - 5:11 pm
LIS
-
MKE
16h 36m
2 stops
$578Iberia
Wed, Apr 22 - Wed, Apr 29
Scandinavian Airlines Logo
7:10 am - 8:40 pm
MKE
-
LIS
31h 30m
2 stops
Scandinavian Airlines Logo
7:00 am - 8:25 pm
LIS
-
MKE
19h 25m
2 stops
$648Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
6:00 am - 9:05 am
MKE
-
LIS
21h 05m
1 stop
American Airlines Logo
6:35 am - 6:00 pm
LIS
-
MKE
17h 25m
2 stops
$670American Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
6:40 pm - 11:05 pm
MKE
-
LIS
22h 25m
2 stops
Multiple Airlines Logo
6:35 am - 8:06 pm
LIS
-
MKE
19h 31m
2 stops
$673Multiple Airlines
Sun, Apr 19 - Tue, May 5
Iberia Logo
1:53 pm - 8:05 pm
MKE
-
LIS
24h 12m
2 stops
Iberia Logo
6:35 am - 5:11 pm
LIS
-
MKE
16h 36m
2 stops
$677Iberia
Wed, Apr 22 - Wed, Apr 29
KLM Logo
7:10 am - 8:00 am
MKE
-
LIS
18h 50m
1 stop
KLM Logo
11:55 am - 11:57 pm
LIS
-
MKE
18h 02m
2 stops
$681KLM
Wed, Apr 22 - Wed, Apr 29
Iberia Logo
1:53 pm - 4:05 pm
MKE
-
LIS
20h 12m
2 stops
Iberia Logo
8:45 pm - 8:06 pm
LIS
-
MKE
29h 21m
2 stops
$688Iberia
Sun, Apr 19 - Tue, Apr 28
Multiple Airlines Logo
7:10 am - 8:00 am
MKE
-
LIS
18h 50m
1 stop
Multiple Airlines Logo
12:45 pm - 7:16 pm
LIS
-
MKE
12h 31m
1 stop
$691Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
United Airlines Logo
12:07 pm - 6:55 am
MKE
-
OPO
12h 48m
1 stop
United Airlines Logo
12:35 pm - 10:36 pm
OPO
-
MKE
16h 01m
2 stops
$763United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
2:40 pm - 8:40 am
MKE
-
PDL
13h 00m
2 stops
United Airlines Logo
9:35 am - 11:35 am
PDL
-
MKE
31h 00m
2 stops
$866United Airlines
Tue, Aug 11 - Fri, Aug 21

Iberia flights from Milwaukee to Portugal

Our best Iberia deals on Milwaukee to Portugal flight tickets
Iberia
Apr 22
MKE1:53 pmMilwaukee-Mitchell
24h 12m
2 stops
LIS8:05 pmLisbon Humberto Delgado
Apr 29
LIS6:35 amLisbon Humberto Delgado
16h 36m
2 stops
MKE5:11 pmMilwaukee-Mitchell
$578
Iberia
Apr 22
MKE1:53 pmMilwaukee-Mitchell
24h 12m
2 stops
LIS8:05 pmLisbon Humberto Delgado
Apr 29
LIS6:35 amLisbon Humberto Delgado
16h 36m
2 stops
MKE5:11 pmMilwaukee-Mitchell
$677
Iberia
Apr 7
MKE6:40 pmMilwaukee-Mitchell
22h 45m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Apr 14
LIS4:45 pmLisbon Humberto Delgado
30h 26m
2 stops
MKE5:11 pmMilwaukee-Mitchell
$688

American Airlines flights from Milwaukee to Portugal

Our best American Airlines deals on Milwaukee to Portugal flight tickets
American Airlines
Apr 22
MKE6:00 amMilwaukee-Mitchell
21h 05m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 29
LIS6:35 amLisbon Humberto Delgado
17h 25m
2 stops
MKE6:00 pmMilwaukee-Mitchell
$670
American Airlines
Apr 20
MKE6:00 amMilwaukee-Mitchell
21h 05m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 27
LIS6:35 amLisbon Humberto Delgado
17h 25m
2 stops
MKE6:00 pmMilwaukee-Mitchell
$719
American Airlines
Apr 7
MKE6:00 amMilwaukee-Mitchell
21h 05m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 14
LIS11:05 amLisbon Humberto Delgado
16h 36m
1 stop
MKE9:41 pmMilwaukee-Mitchell
$738

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 March 10, 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

Cheapest round-trip

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

1:53 pm-8:05 pm

2 stops24h 12m

Lisbon Humberto Delgado

Wed 4/29

6:35 am-5:11 pm

2 stops16h 36m

$578

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 4/20

7:10 am-8:40 pm

2 stops31h 30m

Lisbon Humberto Delgado

Mon 4/27

7:00 am-8:25 pm

2 stops19h 25m

$648

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

6:00 am-9:05 am

1 stop21h 05m

Lisbon Humberto Delgado

Wed 4/29

6:35 am-6:00 pm

2 stops17h 25m

$670

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Sun 4/19

6:40 pm-11:05 pm

2 stops22h 25m

Lisbon Humberto Delgado

Tue 5/5

6:35 am-8:06 pm

2 stops19h 31m

$673

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

1:53 pm-8:05 pm

2 stops24h 12m

Lisbon Humberto Delgado

Wed 4/29

6:35 am-5:11 pm

2 stops16h 36m

$677

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

7:10 am-8:00 am

1 stop18h 50m

Lisbon Humberto Delgado

Wed 4/29

11:55 am-11:57 pm

2 stops18h 02m

$681

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Sun 4/19

1:53 pm-4:05 pm

2 stops20h 12m

Lisbon Humberto Delgado

Tue 4/28

8:45 pm-8:06 pm

2 stops29h 21m

$688

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 4/22

7:10 am-8:00 am

1 stop18h 50m

Lisbon Humberto Delgado

Wed 4/29

12:45 pm-7:16 pm

1 stop12h 31m

$691
Quickest round-trip

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Tue 8/11

12:07 pm-6:55 am

1 stop12h 48m

Porto

Wed 8/19

12:35 pm-10:36 pm

2 stops16h 01m

$763

MilwaukeePonta Delgada

MKE - PDL

MKEPDL

Milwaukee-Mitchell

Tue 8/11

2:40 pm-8:40 am

2 stops13h 00m

Ponta Delgada Nordela

Fri 8/21

9:35 am-11:35 am

2 stops31h 00m

$866

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 28% 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

13h 40m

Direct flights

None
The fastest flight from Milwaukee to Portugal takes 13h 40m
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 $509Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
American AirlinesPriceFrom $619Free CancellationRating
7.1
11,413 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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Find better results for your trip to Portugal

Popular cities in Portugal

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