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$416+ Cheap flights from Milwaukee (MKE) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LIS
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Milwaukee to Portugal

Keep the following information in mind while searching for Milwaukee to Portugal flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(United Airlines)

One-way from

$416
(Air Canada)

Popular in

June

Cheapest in

January

Average price

$786
Provider with most accurate pricing for Milwaukee-Mitchell-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Lisbon Humberto Delgado flights.
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From Milwaukee-Mitchell to Portugal
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One-way flight from Milwaukee-Mitchell to Portugal
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Highest demand for flights based on searches. 20% potential increase in price ($280 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Milwaukee to Portugal

Cheapest flights from Milwaukee to Portugal
Explore the most affordable flight options available from Milwaukee to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/26:45 amMKE - LIS
2 stops20h 35mUnited Airlines
dom. 4/67:30 amLIS - MKE
2 stops20h 45mUnited Airlines
Deal found 2/20$640
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/21:22 pmMKE - LIS
2 stops15h 23mAmerican Airlines
dom. 4/611:05 amLIS - MKE
1 stop15h 46mAmerican Airlines
Deal found 2/20$788
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/151:25 pmMKE - LIS
2 stops16h 00mMultiple Airlines
mar. 4/2911:25 amLIS - MKE
2 stops32h 22mMultiple Airlines
Deal found 2/20$792
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/215:21 pmMKE - LIS
2 stops33h 34mAir Canada
vie. 2/2810:55 amLIS - MKE
2 stops33h 54mAir Canada
Deal found 2/20$807
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/164:57 pmMKE - LIS
2 stops39h 08mBritish Airways
mar. 9/306:35 amLIS - MKE
2 stops22h 24mBritish Airways
Deal found 2/20$837
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/165:30 pmMKE - LIS
2 stops22h 20mLufthansa
mié. 4/235:05 amLIS - MKE
2 stops17h 37mLufthansa
Deal found 2/20$858
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/85:34 pmMKE - PDL
2 stops31h 41mMultiple Airlines
vie. 3/215:20 pmPDL - MKE
2 stops23h 09mMultiple Airlines
Deal found 2/18$876
This KAYAK deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/2011:10 amMKE - OPO
2 stops21h 05mLufthansa
vie. 3/286:00 amOPO - MKE
2 stops17h 04mLufthansa
Deal found 2/19$1,301
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/201:24 pmMKE - OPO
2 stops29h 26mMultiple Airlines
vie. 3/2812:40 pmOPO - MKE
3 stops28h 49mMultiple Airlines
Deal found 2/19$1,383
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/94:20 pmMKE - LIS
1 stop11h 35mDelta
lun. 3/1710:00 amLIS - MKE
1 stop14h 36mDelta
Deal found 2/20$1,430
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/245:29 pmMKE - OPO
2 stops34h 01mAir Canada
jue. 7/312:15 pmOPO - MKE
2 stops32h 55mAir Canada
Deal found 2/20$1,532
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/247:00 amMKE - OPO
2 stops17h 55mUnited Airlines
mar. 7/19:00 amOPO - MKE
1 stop14h 28mUnited Airlines
Deal found 2/20$1,554

Find flights from Milwaukee to Portugal within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Milwaukee

Fly to

Portugal

Route

Depart

Return

Price

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mié. 4/2

6:45 am-9:20 am

2 stops20h 35m

Lisbon Humberto Delgado

dom. 4/6

7:30 am-10:15 pm

2 stops20h 45m

$640

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

dom. 3/30

4:50 pm-8:25 pm

2 stops21h 35m

Porto

dom. 4/6

9:20 pm-6:06 pm

2 stops26h 46m

$663

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

sáb. 3/29

3:34 pm-3:00 pm

2 stops18h 26m

Porto

sáb. 4/5

12:35 pm-6:38 pm

1 stop12h 03m

$679

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mié. 4/2

1:22 pm-10:45 am

2 stops15h 23m

Lisbon Humberto Delgado

dom. 4/6

11:05 am-8:51 pm

1 stop15h 46m

$788

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mar. 4/15

1:25 pm-11:25 am

2 stops16h 00m

Lisbon Humberto Delgado

mar. 4/29

11:25 am-1:47 pm

2 stops32h 22m

$792

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mié. 4/16

5:30 pm-9:50 pm

2 stops22h 20m

Lisbon Humberto Delgado

mié. 4/23

5:05 am-4:42 pm

2 stops17h 37m

$858

MilwaukeePonta Delgada

MKE - PDL

MKEPDL

Milwaukee-Mitchell

sáb. 3/8

5:34 pm-6:15 am

2 stops31h 41m

Ponta Delgada Nordela

vie. 3/21

5:20 pm-12:29 pm

2 stops23h 09m

$876

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

mié. 4/9

10:55 am-3:30 pm

2 stops22h 35m

Porto

vie. 4/18

8:35 pm-1:54 pm

2 stops23h 19m

$999

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

mié. 5/7

11:25 am-11:10 am

2 stops17h 45m

Lisbon Humberto Delgado

jue. 7/31

11:25 am-10:45 pm

2 stops17h 20m

$1,002

MilwaukeePorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

jue. 3/20

11:10 am-1:15 pm

2 stops21h 05m

Porto

vie. 3/28

6:00 am-6:04 pm

2 stops17h 04m

$1,301

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 results
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Best time to book a flight from Milwaukee to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Milwaukee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Milwaukee to Portugal

Get recent, data-driven insights about flights from Milwaukee to Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Milwaukee to Portugal?

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Portugal (average of $612). Flying from Milwaukee to Portugal in June is currently the most expensive (average of $1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MKE to PT?

Find hourly flight availability from Milwaukee to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

When flying from Milwaukee to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated febrero 20, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France from Milwaukee to Portugal. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Milwaukee to Portugal?

    Milwaukee-Mitchell (MKE) is the airport you will fly out of if you book a flight from Milwaukee to Portugal. It is only a 6.4 mi journey to Milwaukee-Mitchell (MKE) from Milwaukee’s city center.

  • What are the cheapest airlines to fly from Milwaukee to Portugal one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $416. However, be on the lookout for offers from United Airlines and Lufthansa, as they are both options that can get you from Milwaukee to Portugal for a low price.

  • What are the most popular routes from Milwaukee to Portugal?

    Most travelers choose Milwaukee-Mitchell - Lisbon Humberto Delgado, Milwaukee-Mitchell - Porto or Milwaukee-Mitchell - Ponta Delgada Nordela when deciding on the best route from Milwaukee to Portugal.

  • Can I find deals for flights from Milwaukee to Portugal that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Portugal.

  • Can I find deals for business class flights from Milwaukee to Portugal?

    Yes. Cheapflights offers flight deals from Milwaukee to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Portugal (average of $612). Flying from Milwaukee to Portugal in June is currently the most expensive (average of $1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Milwaukee to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Milwaukee to Portugal

Discover the top 4 airlines that operate flights from Milwaukee to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$555Average$1,145FlexibilityNo cancel feeOn-time69%
KLMCheapest$587Average$1,050FlexibilityNo cancel feeOn-time75%
DeltaCheapest$695Average$1,131FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$892Average$1,254FlexibilityNo cancel feeOn-time71%
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