$142 Cheap Flights from Moline (MLI) to Key West (EYW)

View $142 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW)

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Cheap Flights from Moline to Key West (MLI-EYW)

Prices were available within the past 7 days and start at $142 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Tue, Sep 30
MLI
Moline
EYW
Key West
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 23 from Moline to Key West, returning Tue, Sep 30, priced at $269 found 6 days ago
American Airlines
Sat, Sep 27 - Wed, Oct 1
MLI
Moline
EYW
Key West
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Moline to Key West, returning Wed, Oct 1, priced at $274 found 6 days ago
American Airlines
Wed, Dec 24 - Wed, Jan 7
MLI
Moline
EYW
Key West
$283 Roundtrip, found 23 hours ago
$283
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Moline to Key West, returning Wed, Jan 7, priced at $283 found 23 hours ago
American Airlines
Wed, Dec 24 - Wed, Jan 7
MLI
Moline
EYW
Key West
$285 Roundtrip, found 23 hours ago
$285
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Moline to Key West, returning Wed, Jan 7, priced at $285 found 23 hours ago
American Airlines
Sat, Aug 30 - Thu, Sep 4
MLI
Moline
EYW
Key West
$301 Roundtrip, found 15 hours ago
$301
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Moline to Key West, returning Thu, Sep 4, priced at $301 found 15 hours ago
American Airlines
Wed, Dec 24 - Wed, Jan 7
MLI
Moline
EYW
Key West
$306 Roundtrip, found 23 hours ago
$306
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Moline to Key West, returning Wed, Jan 7, priced at $306 found 23 hours ago
American Airlines
Wed, Dec 24 - Wed, Jan 7
MLI
Moline
EYW
Key West
$308 Roundtrip, found 23 hours ago
$308
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Moline to Key West, returning Wed, Jan 7, priced at $308 found 23 hours ago
American Airlines
Tue, Jan 27 - Tue, Feb 3
MLI
Moline
EYW
Key West
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 27 from Moline to Key West, returning Tue, Feb 3, priced at $316 found 1 day ago
United
Tue, Jan 27 - Tue, Feb 3
MLI
Moline
EYW
Key West
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 27 from Moline to Key West, returning Tue, Feb 3, priced at $319 found 1 day ago
Delta
Wed, Sep 10 - Mon, Sep 15
MLI
Moline
EYW
Key West
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 10 from Moline to Key West, returning Mon, Sep 15, priced at $320 found 1 day ago

Find the cheapest month to fly from Moline (MLI) to Key West (EYW)

April is typically the cheapest month to fly

From $214 - $674 per traveler.

Graph displaying average flight prices per month

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $584
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $584
Flights from Moline (MLI) to Key West (EYW)
Origin airport
Quad City Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1271 mi

Moline to Key West Flights

The cheapest times to fly from Moline to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Moline to Key West are during the month of September. You can find some of the cheapest flights from Moline to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moline to Key West

Sunday is one of the best days to book for cheap flights from Moline to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Moline to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Moline to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $142 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Moline to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Moline to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW) cost?
Discover the latest flight deals from MLI to EYW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MLI to EYW?
The cheapest flights from MLI to EYW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MLI to EYW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MLI to EYW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW)?
There are no daily nonstop flights available from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from MLI to EYW?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW)?
Select a flight from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW) last-minute?
Holding off until just before your departure to book your flight from MLI to EYW generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a MLI to EYW flight and hotel package?
Securing a MLI to EYW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Quad City Intl. Airport (MLI) to Key West Intl. Airport (EYW)?
Typically, you're able to cancel or reschedule your MLI to EYW flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.