Key Largo

$69+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — MIA
Mar 15 — Mar 221
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Key Largo are usually found in September or August, booked 12 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap 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 February 13, 2026.

This Orbitz deal was found by Cheapflights users on 2/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:08 pm
MKE
-
MIA
1 stop6h 41m
Frontier
Fri 4/245:50 am
MIA
-
MKE
1 stop14h 09m
Frontier
Deal found 2/11$232
This Expedia deal was found by Cheapflights users on 2/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:15 pm
MKE
-
MIA
1 stop9h 23m
Frontier
Mon 4/135:05 am
MIA
-
MKE
1 stop11h 36m
Frontier
Deal found 2/12$235
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:26 pm
MKE
-
MIA
1 stop7h 23m
Frontier
Mon 4/135:05 am
MIA
-
MKE
1 stop11h 36m
Frontier
Deal found 2/10$240
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:38 am
MKE
-
MIA
1 stop6h 15m
Frontier
Fri 3/275:05 am
MIA
-
MKE
1 stop5h 58m
Frontier
Deal found 2/12$243
This Frontier deal was found by Cheapflights users on 2/11. 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.
Mon 3/1610:38 am
MKE
-
MIA
1 stop6h 15m
Frontier
Fri 3/205:05 am
MIA
-
MKE
1 stop6h 16m
Frontier
Deal found 2/11$244
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:46 pm
MKE
-
MIA
1 stop20h 34m
Frontier
Fri 3/135:05 am
MIA
-
MKE
1 stop6h 16m
Frontier
Deal found 2/10$249
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:08 pm
MKE
-
MIA
1 stop6h 41m
Frontier
Mon 5/115:50 am
MIA
-
MKE
1 stop14h 09m
Frontier
Deal found 2/11$260
This Frontier deal was found by Cheapflights users on 2/11. 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.
Mon 3/1610:38 am
MKE
-
MIA
1 stop6h 15m
Frontier
Mon 3/235:05 am
MIA
-
MKE
1 stop5h 48m
Frontier
Deal found 2/11$264
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:16 am
MKE
-
MIA
1 stop5h 37m
Frontier
Fri 3/205:05 am
MIA
-
MKE
1 stop6h 16m
Frontier
Deal found 2/11$269
This Frontier deal was found by Cheapflights users on 2/11. 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 3/1311:16 am
MKE
-
MIA
1 stop5h 37m
Frontier
Mon 3/235:05 am
MIA
-
MKE
1 stop5h 48m
Frontier
Deal found 2/11$290
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:16 am
MKE
-
MIA
1 stop5h 37m
Frontier
Mon 3/165:50 am
MIA
-
MKE
1 stop13h 30m
Frontier
Deal found 2/10$319
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 3/106:38 am
MKE
-
MIA
Nonstop3h 27m
American Airlines
Tue 3/179:19 pm
MIA
-
MKE
Nonstop3h 40m
American Airlines
Deal found 2/12$327

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(Orbitz)

One-way from

$69
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$389
Provider with most accurate pricing for Milwaukee-Mitchell-Miami flight deals.
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Miami flights.
From Milwaukee-Mitchell to Key Largo
One-way flight from Milwaukee-Mitchell to Key Largo
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 13, 2026.
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 3/10

6:38 am-11:05 am

Nonstop3h 27m

Miami

Wed 3/11

9:19 pm-11:59 pm

Nonstop3h 40m

$327

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Tue 3/10

3:10 pm-10:15 pm

1 stop6h 05m

Miami

Tue 3/17

6:40 pm-11:05 pm

1 stop5h 25m

$337

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 4/15

11:01 am-6:51 pm

1 stop6h 50m

Miami

Sat 4/25

8:04 am-1:14 pm

1 stop6h 10m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 4/15

8:30 am-3:05 pm

1 stop5h 35m

Miami

Wed 4/22

4:13 pm-8:48 pm

1 stop5h 35m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 3/11

3:10 pm-10:15 pm

1 stop6h 05m

Miami

Wed 3/18

6:30 am-11:45 am

1 stop6h 15m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 4/15

7:00 am-2:12 pm

1 stop6h 12m

Miami

Tue 4/21

3:35 pm-9:30 pm

1 stop6h 55m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 3/11

8:30 am-3:03 pm

1 stop5h 33m

Miami

Wed 3/18

4:10 pm-9:50 pm

1 stop6h 40m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Tue 3/10

7:05 am-2:55 pm

1 stop6h 50m

Miami

Wed 3/11

6:55 am-11:15 am

1 stop5h 20m

$347

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 3/4

6:35 am-4:10 pm

1 stop8h 35m

Miami

Sat 3/7

3:30 pm-5:55 pm

Nonstop3h 25m

$371

MilwaukeeMiami

MKE - MIA

MKEMIA

Milwaukee-Mitchell

Wed 4/15

11:01 am-6:51 pm

1 stop6h 50m

Miami

Fri 4/24

7:41 pm-11:57 pm

1 stop5h 16m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 23 results
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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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from Milwaukee to Key Largo, you should look to book at least 12 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, October is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $49). Flying from Milwaukee to Key Largo in July is currently the most expensive (average of $118). 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 February 13, 2026.

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 66% on your trip compared to booking a flight in the evening.

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 February 13, 2026.
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.

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 is 1 flight from Milwaukee-Mitchell to Key Largo per day from 6 different airlines.

  • How popular is this Milwaukee to Key Largo flight route?

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

    American Airlines, Southwest, and Delta can get you from Milwaukee to Key Largo in just under 3h 27m. Your travel time can differ by up to 3h 23m. 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 airlines to fly from Milwaukee to Key Largo one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $35. However, be on the lookout for offers from Frontier 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: Envoy Air (73%), American Airlines (64%), Qatar Airways( 60%).

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

    While on average a flight from Milwaukee to Key Largo is generally $334, our data shows the cheapest flight currently is $134. When looking at the most popular route, (Milwaukee-Mitchell - Miami), you can expect to pay $243 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, October is the cheapest month in which you can book a flight from Milwaukee to Key Largo (average of $49). Flying from Milwaukee to Key Largo in July is currently the most expensive (average of $118). 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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Alternative routes for Milwaukee to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Milwaukee to Key Largo

Discover the top 6 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$217FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$162FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$216Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$216Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$355FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$244Average$394FlexibilityNo cancel feeOn-time63%

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