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Cheap flights from Milwaukee to Portugal from $469

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 9/28. 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.
Multiple Airlines Logo
5:50 pm - 4:00 pm
MKE
-
OPO
16h 10m
2 stops
Multiple Airlines Logo
8:40 pm - 5:33 pm
OPO
-
MKE
26h 53m
2 stops
$870Multiple Airlines
lun., sep. 21 - lun., sep. 28
Delta Logo
11:15 am - 10:45 am
MKE
-
LIS
17h 30m
1 stop
Delta Logo
5:00 am - 6:59 pm
LIS
-
MKE
19h 59m
2 stops
$876Delta
lun., sep. 28 - mié., oct. 7
Delta Logo
12:20 pm - 11:15 am
MKE
-
LIS
16h 55m
2 stops
Delta Logo
5:00 am - 6:59 pm
LIS
-
MKE
19h 59m
2 stops
$880Delta
lun., sep. 28 - mié., oct. 7
Air Canada Logo
2:50 pm - 9:20 am
MKE
-
LIS
36h 30m
2 stops
Air Canada Logo
1:00 pm - 9:49 am
LIS
-
MKE
50h 49m
2 stops
$895Air Canada
mar., sep. 29 - vie., oct. 9
United Airlines Logo
10:45 am - 10:30 am
MKE
-
LIS
17h 45m
2 stops
United Airlines Logo
5:05 am - 12:09 am
LIS
-
MKE
25h 04m
2 stops
$920United Airlines
lun., sep. 21 - mar., sep. 29
Lufthansa Logo
11:10 am - 8:20 am
MKE
-
LIS
15h 10m
1 stop
Lufthansa Logo
10:25 am - 11:27 pm
LIS
-
MKE
19h 02m
1 stop
$922Lufthansa
mar., sep. 29 - vie., oct. 9
United Airlines Logo
5:21 pm - 9:20 am
MKE
-
LIS
33h 59m
2 stops
United Airlines Logo
5:05 am - 7:51 pm
LIS
-
MKE
20h 46m
2 stops
$929United Airlines
sáb., oct. 10 - dom., oct. 18
United Airlines Logo
12:10 pm - 8:20 am
MKE
-
LIS
14h 10m
2 stops
United Airlines Logo
10:25 am - 6:08 pm
LIS
-
MKE
13h 43m
1 stop
$931United Airlines
mar., sep. 22 - jue., oct. 1
American Airlines Logo
6:05 am - 9:05 am
MKE
-
LIS
21h 00m
1 stop
American Airlines Logo
11:05 am - 11:47 pm
LIS
-
MKE
18h 42m
1 stop
$938American Airlines
mié., ago. 12 - sáb., ago. 22
Lufthansa Logo
10:50 am - 8:40 am
MKE
-
PDL
16h 50m
1 stop
Lufthansa Logo
11:00 am - 5:49 pm
PDL
-
MKE
11h 49m
1 stop
$1,227Lufthansa
sáb., may. 9 - sáb., may. 16

Delta flights from Milwaukee to Portugal

Our best Delta deals on Milwaukee to Portugal flight tickets
Delta
Sep 28
MKE11:15 amMilwaukee-Mitchell
17h 30m
1 stop
LIS10:45 amLisbon Humberto Delgado
Oct 7
LIS5:00 amLisbon Humberto Delgado
19h 59m
2 stops
MKE6:59 pmMilwaukee-Mitchell
$876
Delta
Sep 28
MKE12:20 pmMilwaukee-Mitchell
16h 55m
2 stops
LIS11:15 amLisbon Humberto Delgado
Oct 7
LIS5:00 amLisbon Humberto Delgado
19h 59m
2 stops
MKE6:59 pmMilwaukee-Mitchell
$880
Delta
Apr 21
MKE11:56 amMilwaukee-Mitchell
21h 29m
2 stops
OPO3:25 pmPorto
May 9
OPO5:00 amPorto
20h 47m
2 stops
MKE7:47 pmMilwaukee-Mitchell
$923

Air Canada flights from Milwaukee to Portugal

Our best Air Canada deals on Milwaukee to Portugal flight tickets
Air Canada
Sep 29
MKE2:50 pmMilwaukee-Mitchell
36h 30m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 9
LIS1:00 pmLisbon Humberto Delgado
50h 49m
2 stops
MKE9:49 amMilwaukee-Mitchell
$895
Air Canada
Sep 24
MKE5:10 amMilwaukee-Mitchell
22h 10m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 2
LIS1:00 pmLisbon Humberto Delgado
26h 49m
2 stops
MKE9:49 amMilwaukee-Mitchell
$1,088
Air Canada
Jun 16
MKE12:15 pmMilwaukee-Mitchell
15h 05m
3 stops
PDL8:20 amPonta Delgada Nordela
Jun 21
PDL9:35 amPonta Delgada Nordela
17h 49m
3 stops
MKE10:24 pmMilwaukee-Mitchell
$2,176

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 abril 13, 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

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

lun. 9/21

5:50 pm-4:00 pm

2 stops16h 10m

Porto

lun. 9/28

8:40 pm-5:33 pm

2 stops26h 53m

$870

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

lun. 9/28

11:15 am-10:45 am

1 stop17h 30m

Lisbon Humberto Delgado

mié. 10/7

5:00 am-6:59 pm

2 stops19h 59m

$876

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

lun. 9/28

12:20 pm-11:15 am

2 stops16h 55m

Lisbon Humberto Delgado

mié. 10/7

5:00 am-6:59 pm

2 stops19h 59m

$880

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 9/29

2:50 pm-9:20 am

2 stops36h 30m

Lisbon Humberto Delgado

vie. 10/9

1:00 pm-9:49 am

2 stops50h 49m

$895

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

lun. 9/21

10:45 am-10:30 am

2 stops17h 45m

Lisbon Humberto Delgado

mar. 9/29

5:05 am-12:09 am

2 stops25h 04m

$920

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 9/29

11:10 am-8:20 am

1 stop15h 10m

Lisbon Humberto Delgado

vie. 10/9

10:25 am-11:27 pm

1 stop19h 02m

$922

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

sáb. 10/10

5:21 pm-9:20 am

2 stops33h 59m

Lisbon Humberto Delgado

dom. 10/18

5:05 am-7:51 pm

2 stops20h 46m

$929
Quickest round-trip

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 9/22

12:10 pm-8:20 am

2 stops14h 10m

Lisbon Humberto Delgado

jue. 10/1

10:25 am-6:08 pm

1 stop13h 43m

$931

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mié. 8/12

6:05 am-9:05 am

1 stop21h 00m

Lisbon Humberto Delgado

sáb. 8/22

11:05 am-11:47 pm

1 stop18h 42m

$938

MilwaukeePonta Delgada

MKE - PDL

MKEPDL

Milwaukee-Mitchell

sáb. 5/9

10:50 am-8:40 am

1 stop16h 50m

Ponta Delgada Nordela

sáb. 5/16

11:00 am-5:49 pm

1 stop11h 49m

$1,227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 50m

Direct flights

None
The fastest flight from Milwaukee to Portugal takes 13h 50m
There are no direct flights from Milwaukee to Portugal. There are no popular flight routes from Milwaukee to Portugal.
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Frequently asked questions about flying from Milwaukee to Portugal

  • 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
9,579 reviews
Search United Airlines flights
American AirlinesPriceFrom $778Free CancellationRating
7.1
11,568 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

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