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$374+ Cheap flights from Milwaukee (MKE) to Lisbon (LIS)

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Milwaukee to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(Delta)

One-way from

$374
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,026
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 Lisbon Humberto Delgado
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One-way flight from Milwaukee-Mitchell to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 17% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Milwaukee to Lisbon

Cheapest flights from Milwaukee to Lisbon
Explore the most affordable flight options available from Milwaukee to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 amMKE - LIS
1 stop16h 05mKLM
Thu 1/1510:00 amLIS - MKE
1 stop16h 49mKLM
Deal found 10/30$506
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:25 pmMKE - LIS
2 stops15h 45mMultiple Airlines
Thu 1/1510:00 amLIS - MKE
1 stop16h 49mMultiple Airlines
Deal found 10/30$510
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/123:50 pmMKE - LIS
2 stops12h 25mUnited Airlines
Tue 12/1611:20 amLIS - MKE
2 stops37h 27mUnited Airlines
Deal found 10/29$533
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/3112:02 pmMKE - LIS
2 stops14h 08mUnited Airlines
Thu 1/1510:55 amLIS - MKE
2 stops29h 39mUnited Airlines
Deal found 10/30$537
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/127:00 amMKE - LIS
1 stop19h 00mDelta
Tue 12/1610:00 amLIS - MKE
1 stop16h 22mDelta
Deal found 10/29$652
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/1310:54 amMKE - LIS
2 stops15h 16mUnited Airlines
Sat 12/2011:55 amLIS - MKE
2 stops29h 32mUnited Airlines
Deal found 10/29$698
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 10/313:49 pmMKE - LIS
2 stops13h 26mUnited Airlines
Sun 11/211:55 amLIS - MKE
2 stops32h 03mUnited Airlines
Deal found 10/29$832
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:52 pmMKE - LIS
2 stops22h 58mLufthansa
Sun 11/3012:15 pmLIS - MKE
2 stops34h 17mLufthansa
Deal found 10/29$1,039
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:45 pmMKE - LIS
2 stops15h 45mLufthansa
Sun 11/23:55 pmLIS - MKE
2 stops30h 37mLufthansa
Deal found 10/29$1,066
This Air France deal was found by Cheapflights users on 10/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amMKE - LIS
1 stop21h 00mKLM
Sun 11/210:00 amLIS - MKE
1 stop16h 07mKLM
Deal found 10/29$1,094

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee to Lisbon 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 October 30, 2025.
Use the filters below to find and compare flights from Milwaukee to Lisbon that are best for you.

Fly from

Milwaukee

Fly to

Lisbon

Route

Depart

Return

Price

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 1/12

11:15 am-8:00 am

1 stop14h 45m

Lisbon Humberto Delgado

Wed 1/21

5:00 am-10:42 pm

2 stops23h 42m

$496

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Thu 1/15

7:02 am-8:00 am

1 stop18h 58m

Lisbon Humberto Delgado

Thu 1/22

5:00 am-9:36 pm

2 stops22h 36m

$496

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 1/12

7:02 am-8:00 am

1 stop18h 58m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-8:48 am

2 stops33h 48m

$496

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 1/13

6:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-8:48 am

2 stops33h 48m

$496

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 1/12

6:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Fri 1/23

5:00 am-9:45 pm

2 stops22h 45m

$496

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 1/13

9:33 am-11:20 am

2 stops19h 47m

Lisbon Humberto Delgado

Tue 1/20

11:25 am-3:19 pm

2 stops33h 54m

$500

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Fri 1/16

7:02 am-11:20 am

2 stops22h 18m

Lisbon Humberto Delgado

Thu 1/22

5:00 am-3:19 pm

2 stops16h 19m

$500

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Fri 1/16

6:00 am-11:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Tue 1/20

5:00 am-6:17 pm

2 stops19h 17m

$500

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 1/13

7:02 am-11:20 am

2 stops22h 18m

Lisbon Humberto Delgado

Wed 1/21

5:00 am-3:19 pm

2 stops16h 19m

$500

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Wed 1/14

5:45 pm-8:00 am

1 stop32h 15m

Lisbon Humberto Delgado

Thu 1/22

5:00 am-9:36 pm

2 stops22h 36m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
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Compare providers for flights from Milwaukee to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Lisbon in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Milwaukee-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-Lisbon flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Milwaukee to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Lisbon

How far ahead should I book a flight from Milwaukee to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Lisbon. Price data was last updated on October 24, 2025.

The best time to book flights from Milwaukee to Lisbon is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Milwaukee to Lisbon (average of $437). Flying from Milwaukee to Lisbon in June is currently the most expensive (average of $745). 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 LIS?

Find hourly flight availability from Milwaukee to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from Milwaukee to Lisbon by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Milwaukee to Lisbon?

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Milwaukee to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • How long is the flight from Milwaukee to Lisbon?

    There are many flights that can get you from Milwaukee to Lisbon in 14h 45m. Fly via Delta to get the fastest option. The distance from Milwaukee to Lisbon is about 3967 mi.

  • What are the cheapest airlines flying from Milwaukee to Lisbon round-trip?

    According to our current data, United Airlines ($555), KLM ($670), and Delta ($699) offers the cheapest pricing from Milwaukee to Lisbon. You may be able to fly from Milwaukee to Lisbon for 51% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Milwaukee to Lisbon 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 Lisbon?

    Currently, November is the cheapest month in which you can book a flight from Milwaukee to Lisbon (average of $437). Flying from Milwaukee to Lisbon in June is currently the most expensive (average of $745). 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.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Milwaukee to Lisbon

Discover the top 4 airlines that operate flights from Milwaukee to Lisbon. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$555Average$894FlexibilityNo cancel feeOn-time69%
KLMCheapest$670Average$1,190FlexibilityNo cancel feeOn-time75%
DeltaCheapest$699Average$1,230FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$778Average$1,190FlexibilityNo cancel feeOn-time71%

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