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Key Largo

$150+ Cheap flights from Moline (MLI) 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — MIA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Moline Quad-City to Key Largo are usually found in February or August, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Moline to Key Largo

Cheapest flights from Moline to Key Largo
Explore the most affordable flight options available from Moline to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Delta deal was found by Cheapflights users on 12/22. 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.
Wed 12/244:58 pmMLI - MIA
1 stop6h 33mDelta
Mon 12/2911:45 amMIA - MLI
1 stop5h 31mDelta
Deal found 12/22$391
This Delta deal was found by Cheapflights users on 12/22. 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.
Wed 12/244:58 pmMLI - MIA
1 stop6h 33mDelta
Sun 12/285:01 pmMIA - MLI
1 stop6h 29mDelta
Deal found 12/22$421
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/235:50 amMLI - MIA
1 stop6h 06mDelta
Sun 12/284:01 pmMIA - MLI
1 stop7h 29mDelta
Deal found 12/21$439
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/236:30 amMLI - MIA
2 stops11h 15mUnited Airlines
Sun 12/287:15 amMIA - MLI
1 stop5h 58mUnited Airlines
Deal found 12/21$444
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/231:00 pmMLI - MIA
1 stop8h 10mUnited Airlines
Fri 12/267:10 amMIA - MLI
1 stop6h 03mUnited Airlines
Deal found 12/22$469
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/2310:47 amMLI - MIA
2 stops10h 53mUnited Airlines
Mon 12/294:06 pmMIA - MLI
1 stop6h 15mUnited Airlines
Deal found 12/22$587

Find flight deals from Moline to Key Largo

Keep the following information in mind while searching for Moline to Key Largo flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$288
(American Airlines)

One-way from

$150
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$468
Provider with most accurate pricing for Moline Quad-City-Miami flight deals.
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Provider most trusted by Cheapflights users for Moline Quad-City-Miami flights.
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From Moline Quad-City to Key Largo
Search Deals
One-way flight from Moline Quad-City to Key Largo
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moline 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 December 23, 2025.
Use the filters below to find and compare flights from Moline to Key Largo that are best for you.

Fly from

Moline

Fly to

Key Largo

Route

Depart

Return

Price

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Tue 2/17

5:01 pm-12:53 am

1 stop6h 52m

Miami

Tue 2/24

6:01 pm-10:24 pm

1 stop5h 23m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 1/24

6:15 am-12:49 pm

1 stop5h 34m

Miami

Sun 1/25

5:15 am-10:30 am

1 stop6h 15m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Thu 2/26

11:05 am-9:29 pm

1 stop9h 24m

Miami

Mon 3/2

6:45 pm-11:45 pm

1 stop6h 00m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Mon 2/16

5:01 pm-10:47 pm

1 stop4h 46m

Miami

Tue 2/24

12:00 pm-4:20 pm

1 stop5h 20m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Thu 1/15

3:58 pm-11:59 pm

1 stop7h 01m

Miami

Wed 1/21

3:35 pm-10:23 pm

1 stop7h 48m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 1/17

3:58 pm-11:12 pm

1 stop6h 14m

Miami

Sat 1/24

6:37 am-10:58 am

1 stop5h 21m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 1/24

3:58 pm-11:59 pm

1 stop7h 01m

Miami

Sun 2/1

6:37 am-10:58 am

1 stop5h 21m

$289

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Fri 1/9

5:11 pm-12:51 am

1 stop6h 40m

Miami

Tue 1/13

10:29 am-4:26 pm

1 stop6h 57m

$314

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Thu 1/15

3:58 pm-11:12 pm

1 stop6h 14m

Miami

Mon 1/19

5:15 am-10:30 am

1 stop6h 15m

$314

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 1/24

3:58 pm-11:59 pm

1 stop7h 01m

Miami

Mon 2/2

5:15 am-10:30 am

1 stop6h 15m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 20 results
1
2

Best time to book a flight from Moline to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Moline to Key Largo. Price data was last updated on December 19, 2025.

To ensure you get the cheapest price possible for a flight from Moline to Key Largo, you should look to book at least 33 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 Moline to Key Largo?

Currently, August is the cheapest month in which you can book a flight from Moline to Key Largo (average of $66). Flying from Moline to Key Largo in September is currently the most expensive (average of $247). 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 MLI to KE9?

Find hourly flight availability from Moline 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 December 23, 2025.

One of the essential ways to save on airfare from Moline to Key Largo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 73% on airfare.

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 December 23, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Moline to Key Largo. 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
8,014 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
United Airlines
7.4
Good
9,105 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

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

    Located just 4.0 mi from the city center, Moline Quad-City is the airport most travelers will use when flying to Key Largo from Moline. Booking flights from Quad-City (MLI) to Key Largo should be relatively easy as there are 0 daily outbound flights to Key Largo from 3 different airlines.

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

    A quick flight from Moline to Key Largo can take about 5h 34m. Delta provides one of the quickest options available for as low as $289. The distance from Moline to Key Largo is about 1228 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Moline to Key Largo (average of $66). Flying from Moline to Key Largo in September is currently the most expensive (average of $247). 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 3 airlines flying from Moline to Key Largo

Discover the top 3 airlines that operate flights from Moline 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$465FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$495FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$445FlexibilityNo cancel feeOn-time71%

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