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Key Largo

$72+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — MIA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Key Largo are usually found in August or September, booked 52 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 November 6, 2025.

This Frontier deal was found by Cheapflights users on 11/4. 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.
Sat 11/227:54 pmMKE - MIA
1 stop8h 16mFrontier
Sat 11/296:15 amMIA - MKE
1 stop13h 54mFrontier
Deal found 11/4$243
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 12/67:05 amMKE - MIA
1 stop6h 41mDelta
Sat 12/1311:30 amMIA - MKE
1 stop9h 52mDelta
Deal found 11/5$251
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:04 pmMKE - MIA
1 stop9h 15mFrontier
Mon 11/176:00 amMIA - MKE
1 stop14h 19mFrontier
Deal found 11/5$256
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Mon 12/810:34 amMKE - MIA
3 stops27h 29mSpirit Airlines
Wed 12/102:10 pmMIA - MKE
2 stops20h 29mSpirit Airlines
Deal found 11/5$261
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sun 11/167:03 pmMKE - MIA
2 stops15h 19mSpirit Airlines
Sat 11/224:09 pmMIA - MKE
2 stops20h 31mSpirit Airlines
Deal found 11/4$263
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 12/88:00 amMKE - MIA
1 stop8h 53mUnited Airlines
Wed 12/104:42 pmMIA - MKE
1 stop6h 45mUnited Airlines
Deal found 11/5$265
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 11/245:45 amMKE - MIA
1 stop7h 50mDelta
Tue 12/21:31 pmMIA - MKE
1 stop9h 17mDelta
Deal found 11/5$270
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 12/61:35 pmMKE - MIA
1 stop6h 50mSouthwest
Sat 12/136:05 amMIA - MKE
1 stop12h 50mSouthwest
Deal found 11/3$280
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/138:00 amMKE - MIA
1 stop6h 35mUnited Airlines
Tue 12/1612:23 pmMIA - MKE
1 stop5h 34mUnited Airlines
Deal found 11/6$281
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:48 pmMKE - MIA
2 stops27h 59mMultiple Airlines
Sat 12/2712:09 pmMIA - MKE
1 stop30h 24mMultiple Airlines
Deal found 11/5$286

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(American Airlines)

One-way from

$72
(Priceline)

Popular in

March

Cheapest in

August

Average price

$433
Provider with most accurate pricing for Milwaukee-Mitchell-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Miami flights.
Search Deals
From Milwaukee-Mitchell to Key Largo
Search Deals
One-way flight from Milwaukee-Mitchell to Key Largo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 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

Tue 12/2

5:00 am-11:49 am

1 stop5h 49m

Miami

Tue 12/9

12:23 pm-4:57 pm

1 stop5h 34m

$251

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sat 1/17

10:59 am-8:24 pm

1 stop8h 25m

Miami

Sat 1/24

9:00 am-3:43 pm

1 stop7h 43m

$251

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sat 1/10

7:02 am-2:29 pm

1 stop6h 27m

Miami

Sun 1/18

8:05 am-12:31 pm

1 stop5h 26m

$270

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Thu 1/22

8:33 am-3:05 pm

1 stop5h 32m

Miami

Thu 1/29

1:45 pm-9:59 pm

2 stops9h 14m

$284

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sat 1/31

5:00 am-11:55 am

1 stop5h 55m

Miami

Sun 2/8

6:00 am-1:53 pm

2 stops8h 53m

$290

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sat 12/6

5:19 pm-12:46 am

1 stop6h 27m

Miami

Thu 12/11

4:55 pm-11:54 pm

1 stop7h 59m

$306

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Sun 12/7

5:11 pm-12:46 am

1 stop6h 35m

Miami

Sat 12/13

11:30 am-8:22 pm

1 stop9h 52m

$306

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Thu 12/4

1:12 pm-9:50 pm

1 stop7h 38m

Miami

Sat 12/13

6:30 pm-11:40 pm

1 stop6h 10m

$306

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 12/5

5:18 pm-12:46 am

1 stop6h 28m

Miami

Tue 12/9

10:32 am-2:21 pm

1 stop4h 49m

$306

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Fri 12/5

5:18 pm-12:46 am

1 stop6h 28m

Miami

Wed 12/10

3:30 pm-9:48 pm

1 stop7h 18m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 19 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 October 31, 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, March is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $58). Flying from Milwaukee to Key Largo in June is currently the most expensive (average of $117). 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 November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Milwaukee to Key Largo in the afternoon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the evening.

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 Saturday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.
Read through reviews of airlines operating flights from Milwaukee to Key Largo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,122 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Milwaukee to Key Largo?

    United Airlines and Delta can get you from Milwaukee to Key Largo in just under 5h 49m. Your travel time can differ by up to 38m. Milwaukee and Key Largo are separated by a distance of 1260 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While on average a flight from Milwaukee to Key Largo is generally $548, our data shows the cheapest flight currently is $214. When looking at the most popular route, (Milwaukee-Mitchell - Miami), you can expect to pay $188 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, March is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $58). Flying from Milwaukee to Key Largo in June is currently the most expensive (average of $117). 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

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$66Average$202FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$216Average$405FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$223Average$406FlexibilityNo cancel feeOn-time63%

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