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Key Largo

$109+ Cheap flights from Milwaukee (MKE) to Key Largo, FL

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — MIA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Key Largo are usually found in September or August, booked 52 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Milwaukee to Key Largo

Keep the following information in mind while searching for Milwaukee to Key Largo flight deals. Data was last updated June 12, 2025.

Round-trip from

$181
(Southwest)

One-way from

$109
(Delta)

Popular in

March

Cheapest in

September

Average price

$431
From Milwaukee-Mitchell to Key Largo
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One-way flight from Milwaukee-Mitchell to Key Largo
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Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Milwaukee to Key Largo

Cheapest flights from Milwaukee to Key Largo
Explore the most affordable flight options available from Milwaukee to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:15 amMKE - MIA
1 stop4h 35mSouthwest
Thu 8/217:10 amMIA - MKE
1 stop4h 40mSouthwest
Deal found 6/11$181
This Delta deal was found by Cheapflights users on 6/11. 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 10/241:05 pmMKE - MIA
1 stop7h 31mDelta
Sat 11/16:00 amMIA - MKE
1 stop6h 13mDelta
Deal found 6/11$217
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 9/57:45 amMKE - MIA
1 stop10h 08mSpirit Airlines
Sun 9/79:59 amMIA - MKE
1 stop26h 02mSpirit Airlines
Deal found 6/10$222
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:02 pmMKE - MIA
1 stop9h 28mFrontier
Sun 8/246:00 amMIA - MKE
1 stop14h 12mFrontier
Deal found 6/11$266
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 11/136:24 amMKE - MIA
1 stop5h 23mAmerican Airlines
Mon 11/173:19 pmMIA - MKE
1 stop7h 09mAmerican Airlines
Deal found 6/12$301
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 10/37:45 amMKE - MIA
1 stop10h 08mMultiple Airlines
Fri 10/106:00 amMIA - MKE
1 stop14h 12mMultiple Airlines
Deal found 6/10$304
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/245:15 amMKE - MIA
1 stop5h 03mUnited Airlines
Mon 7/284:16 pmMIA - MKE
1 stop7h 29mUnited Airlines
Deal found 6/11$349

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee to Key Largo 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 June 12, 2025.
Use the filters below to find and compare flights from Milwaukee to Key Largo that are best for you.

Fly from

Milwaukee

Fly to

Key Largo

Route

Depart

Return

Price

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Mon 8/18

5:15 am-10:50 am

1 stop4h 35m

Miami

Thu 8/21

7:10 am-10:50 am

1 stop4h 40m

$181

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 10/24

1:05 pm-9:36 pm

1 stop7h 31m

Miami

Sat 11/1

6:00 am-11:13 am

1 stop6h 13m

$217

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 9/5

7:45 am-6:53 pm

1 stop10h 08m

Miami

Sun 9/7

9:59 am-11:01 am

1 stop26h 02m

$222

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 8/22

8:02 pm-6:30 am

1 stop9h 28m

Miami

Sun 8/24

6:00 am-7:12 pm

1 stop14h 12m

$266

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Thu 11/13

6:24 am-12:47 pm

1 stop5h 23m

Miami

Mon 11/17

3:19 pm-9:28 pm

1 stop7h 09m

$301

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 10/3

7:45 am-6:53 pm

1 stop10h 08m

Miami

Fri 10/10

6:00 am-7:12 pm

1 stop14h 12m

$304

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Thu 7/24

5:15 am-11:18 am

1 stop5h 03m

Miami

Mon 7/28

4:16 pm-10:45 pm

1 stop7h 29m

$349

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sat 8/16

12:15 pm-9:28 pm

1 stop8h 13m

$109

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 9/26

7:45 am-6:53 pm

1 stop10h 08m

$112

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Tue 8/12

7:00 am-4:40 pm

1 stop8h 40m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Milwaukee to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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 Key Largo

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

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Key Largo. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Milwaukee to Key Largo, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $228). Flying from Milwaukee to Key Largo in March is currently the most expensive (average of $289). 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 KE9?

Find hourly flight availability from Milwaukee to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

What is the cheapest day to fly from Milwaukee to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Milwaukee to Key Largo flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Milwaukee to Key Largo by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Key Largo. 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 Key Largo?

    If you book a flight to Key Largo from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 0 flights from Milwaukee-Mitchell to Key Largo per day from 5 different airlines.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from Spirit Airlines and Southwest, as they are both options that can get you from Milwaukee to Key Largo for a low price.

  • What are the most reliable airlines from Milwaukee to Key Largo?

    Before booking your flight to Key Largo from Milwaukee, check out the most reliable airlines to get you to your destination on time: American Airlines (100%), Qatar Airways (100%), Envoy Air( 100%).

  • What are the cheapest flights from Milwaukee to Key Largo?

    While on average a flight from Milwaukee to Key Largo is generally $704, our data shows the cheapest flight currently is $183. When looking at the most popular route, (Milwaukee-Mitchell - Miami), you can expect to pay $181 for that flight.

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

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

  • How can I find direct flights from Milwaukee to Key Largo?

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

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

    Yes. Cheapflights offers flight deals from Milwaukee to Key Largo 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 Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $228). Flying from Milwaukee to Key Largo in March is currently the most expensive (average of $289). 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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Top 5 airlines flying from Milwaukee to Key Largo

Discover the top 5 airlines that operate flights from Milwaukee to Key Largo. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$216FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$210Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$402FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$357FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$469FlexibilityNo cancel feeOn-time63%

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