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$425+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$700
(American Airlines)

One-way from

$425
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,073
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. 11% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:53 pmMKE - LIS
1 stop12h 12mAmerican Airlines
Wed 10/156:35 amLIS - MKE
2 stops16h 38mAmerican Airlines
Deal found 4/30$700
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 10/315:21 pmMKE - LIS
2 stops34h 59mUnited Airlines
Sun 11/911:00 amLIS - MKE
2 stops32h 43mUnited Airlines
Deal found 4/30$721
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:15 amMKE - LIS
1 stop16h 45mDelta
Sun 11/911:15 amLIS - MKE
1 stop13h 41mDelta
Deal found 4/30$760
This KLM deal was found by Cheapflights users on 4/30. 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.
Tue 9/3011:15 amMKE - LIS
1 stop17h 30mKLM
Wed 10/1512:45 pmLIS - MKE
1 stop12h 11mKLM
Deal found 4/30$798
This Air Canada deal was found by Cheapflights users on 4/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:50 amMKE - LIS
3 stops16h 30mMultiple Airlines
Wed 10/1511:25 amLIS - MKE
2 stops17h 16mMultiple Airlines
Deal found 4/30$812
This Air Canada deal was found by Cheapflights users on 4/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:50 amMKE - LIS
3 stops16h 30mAir Canada
Wed 10/1511:25 amLIS - MKE
3 stops17h 16mAir Canada
Deal found 4/30$819
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:43 pmMKE - LIS
2 stops23h 27mBritish Airways
Thu 9/256:35 amLIS - MKE
2 stops16h 38mBritish Airways
Deal found 4/30$955
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:23 pmMKE - LIS
2 stops21h 12mAer Lingus
Fri 5/2310:15 pmLIS - MKE
2 stops25h 21mAer Lingus
Deal found 4/30$1,282
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:47 pmMKE - LIS
2 stops22h 18mLufthansa
Fri 5/2310:25 amLIS - MKE
1 stop13h 33mLufthansa
Deal found 4/30$1,375

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 May 1, 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

Tue 9/30

2:53 pm-9:05 am

1 stop12h 12m

Lisbon Humberto Delgado

Wed 10/15

6:35 am-5:13 pm

2 stops16h 38m

$700

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 9/30

11:15 am-10:45 am

1 stop17h 30m

Lisbon Humberto Delgado

Wed 10/15

12:45 pm-6:56 pm

1 stop12h 11m

$798

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 9/30

10:50 am-9:20 am

3 stops16h 30m

Lisbon Humberto Delgado

Wed 10/15

11:25 am-10:41 pm

2 stops17h 16m

$812

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 9/30

10:50 am-9:20 am

3 stops16h 30m

Lisbon Humberto Delgado

Wed 10/15

11:25 am-10:41 pm

3 stops17h 16m

$819

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Fri 9/12

5:43 pm-11:10 pm

2 stops23h 27m

Lisbon Humberto Delgado

Thu 9/25

6:35 am-5:13 pm

2 stops16h 38m

$955

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 6/10

3:45 pm-9:20 am

2 stops35h 35m

Lisbon Humberto Delgado

Tue 6/17

11:25 am-10:22 am

2 stops28h 57m

$1,046

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 5/12

6:23 pm-9:35 pm

2 stops21h 12m

Lisbon Humberto Delgado

Fri 5/23

10:15 pm-5:36 pm

2 stops25h 21m

$1,282

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Mon 5/12

5:47 pm-10:05 pm

2 stops22h 18m

Lisbon Humberto Delgado

Fri 5/23

10:25 am-5:58 pm

1 stop13h 33m

$1,375

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Tue 9/16

11:15 am-10:45 am

1 stop17h 30m

Lisbon Humberto Delgado

Tue 9/23

12:45 pm-6:56 pm

1 stop12h 11m

$1,709

MilwaukeeLisbon

MKE - LIS

MKELIS

Milwaukee-Mitchell

Sun 7/27

6:40 am-11:45 am

2 stops23h 05m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Milwaukee-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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, January is the cheapest month in which you can book a flight from Milwaukee to Lisbon (average of $612). Flying from Milwaukee to Lisbon in June is currently the most expensive (average of $1,178). 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 May 1, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Milwaukee to Lisbon by exploring options for tickets at noon.

Rainfall in Lisbon by month

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

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

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

If weather is an important factor for your trip to Lisbon, 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 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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 Canada
7.0
Good
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, American Airlines ($700), KLM ($798), and Air Canada ($819) offers the cheapest pricing from Milwaukee to Lisbon. You may be able to fly from Milwaukee to Lisbon for 34% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $491. American Airlines flights start at $558 while deals on Air Canada start at $800 one-way.

  • 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, January is the cheapest month in which you can book a flight from Milwaukee to Lisbon (average of $612). Flying from Milwaukee to Lisbon in June is currently the most expensive (average of $1,178). 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 Milwaukee?

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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$555Average$894FlexibilityNo cancel feeOn-time69%
KLMCheapest$587Average$1,050FlexibilityNo cancel feeOn-time75%
DeltaCheapest$699Average$1,162FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$813Average$1,190FlexibilityNo cancel feeOn-time71%

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