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Key Largo

$216+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — MIA
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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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 March 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/28. 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.
Wed 5/203:48 pm
MLI
-
MIA
1 stop7h 44m
American Airlines
Tue 5/265:00 pm
MIA
-
MLI
1 stop7h 52m
American Airlines
Deal found 2/28$289
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/113:20 pm
MLI
-
MIA
1 stop6h 25m
United Airlines
Sat 4/186:15 am
MIA
-
MLI
2 stops11h 51m
United Airlines
Deal found 3/2$294
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Wed 4/86:30 am
MLI
-
MIA
2 stops8h 46m
United Airlines
Tue 4/149:00 am
MIA
-
MLI
2 stops9h 06m
United Airlines
Deal found 2/28$300
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:11 pm
MLI
-
MIA
1 stop6h 43m
Delta
Tue 4/216:15 pm
MIA
-
MLI
1 stop5h 20m
Delta
Deal found 3/3$309
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Fri 3/203:31 pm
MLI
-
MIA
1 stop7h 20m
American Airlines
Wed 3/256:55 pm
MIA
-
MLI
1 stop5h 42m
American Airlines
Deal found 2/28$314
This Delta deal was found by Cheapflights users on 3/1. 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 3/235:15 pm
MLI
-
MIA
1 stop6h 37m
Delta
Tue 3/314:44 pm
MIA
-
MLI
1 stop6h 46m
Delta
Deal found 3/1$331
This American Airlines deal was found by Cheapflights users on 3/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:51 pm
MLI
-
MIA
1 stop5h 33m
American Airlines
Thu 8/206:55 pm
MIA
-
MLI
1 stop5h 28m
American Airlines
Deal found 3/4$334
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:26 pm
MLI
-
MIA
1 stop6h 51m
United Airlines
Tue 11/174:06 pm
MIA
-
MLI
1 stop5h 52m
United Airlines
Deal found 3/3$338
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 12/123:29 pm
MLI
-
MIA
1 stop7h 59m
American Airlines
Mon 12/215:14 pm
MIA
-
MLI
1 stop7h 26m
American Airlines
Deal found 3/1$339
This Delta deal was found by Cheapflights users on 3/1. 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 3/285:15 pm
MLI
-
MIA
1 stop6h 37m
Delta
Thu 4/23:33 pm
MIA
-
MLI
1 stop7h 57m
Delta
Deal found 3/1$344
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 10/218:10 am
MLI
-
MIA
2 stops9h 25m
United Airlines
Sat 10/247:00 am
MIA
-
MLI
2 stops9h 05m
United Airlines
Deal found 3/2$350

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$216
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$576
Provider with most accurate pricing for Moline Quad-City-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Moline Quad-City-Miami flights.
Search Deals
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. 7% potential increase in price ($38 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 March 2026
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 March 4, 2026.
Use the filters below to find and compare flights from Moline to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Wed 4/15

3:20 pm-10:45 pm

1 stop6h 25m

Miami

Sat 4/18

6:15 am-5:06 pm

2 stops11h 51m

$294

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Fri 4/10

1:55 pm-10:45 pm

1 stop7h 50m

Miami

Mon 4/13

8:55 am-2:09 pm

1 stop6h 14m

$429

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Thu 5/7

1:34 pm-10:33 pm

1 stop7h 59m

Miami

Sun 5/10

6:15 am-3:12 pm

2 stops9h 57m

$434

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Fri 3/20

6:30 am-4:11 pm

2 stops8h 41m

Miami

Wed 3/25

6:00 am-2:12 pm

2 stops9h 12m

$451

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sun 5/10

5:17 pm-12:47 am

1 stop6h 30m

Miami

Fri 5/15

5:51 pm-10:21 pm

1 stop5h 30m

$473

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Wed 3/25

5:15 pm-12:52 am

1 stop6h 37m

Miami

Fri 3/27

7:33 pm-4:32 pm

1 stop21h 59m

$477

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 4/4

6:30 am-6:28 pm

2 stops10h 58m

Miami

Sat 4/11

8:55 am-2:09 pm

1 stop6h 14m

$514

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 3/28

5:15 pm-12:52 am

1 stop6h 37m

Miami

Mon 3/30

6:00 am-10:30 pm

1 stop17h 30m

$552

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Sat 4/11

3:20 pm-10:45 pm

1 stop6h 25m

Miami

Mon 4/13

6:15 am-9:32 pm

2 stops16h 17m

$586

MolineMiami

MLI - MIA

MLIMIA

Moline Quad-City

Thu 4/23

6:30 am-4:16 pm

2 stops8h 46m

Miami

Sun 5/3

12:10 pm-4:51 pm

1 stop5h 41m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 17 resultsSorted by cheapest first
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 February 27, 2026.

To ensure you get the cheapest price possible for a flight from Moline to Key Largo, you should look to book at least 46 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, May is the cheapest month in which you can book a flight from Moline to Key Largo (average of $64). Flying from Moline to Key Largo in September is currently the most expensive (average of $252). 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.

How much does it cost to fly round-trip from Moline to Key Largo?

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 March 4, 2026.
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
8,248 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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
8,248 reviews
Delta
7.9
Good
8,248 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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
9,389 reviews
Delta
7.9
Good
8,248 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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
11,381 reviews
Delta
7.9
Good
8,248 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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 6h 25m. United Airlines provides one of the quickest options available for as low as $294. 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, May is the cheapest month in which you can book a flight from Moline to Key Largo (average of $64). Flying from Moline to Key Largo in September is currently the most expensive (average of $252). 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$418FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$444FlexibilityNo cancel feeOn-time71%

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