$125 Cheap Flights from Key West (EYW) to Las Vegas (LAS)

View $125 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Key West to Las Vegas (EYW-LAS)

Prices were available within the past 7 days and start at $125 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 9 - Sat, Dec 13
EYW
Key West
LAS
Las Vegas
$251 Roundtrip, found 12 hours ago
$251
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Key West to Las Vegas, returning Sat, Dec 13, priced at $251 found 12 hours ago
United
Wed, Feb 18 - Sat, Feb 21
EYW
Key West
LAS
Las Vegas
$254 Roundtrip, found 6 days ago
$254
Roundtrip
found 6 days ago
Select United flight, departing Wed, Feb 18 from Key West to Las Vegas, returning Sat, Feb 21, priced at $254 found 6 days ago
Delta
Tue, Oct 21 - Tue, Oct 28
EYW
Key West
LAS
Las Vegas
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from Key West to Las Vegas, returning Tue, Oct 28, priced at $257 found 1 day ago
Delta
Tue, Dec 2 - Fri, Dec 5
EYW
Key West
LAS
Las Vegas
$268 Roundtrip, found 13 hours ago
$268
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Dec 2 from Key West to Las Vegas, returning Fri, Dec 5, priced at $268 found 13 hours ago
American Airlines
Tue, Nov 4 - Fri, Nov 7
EYW
Key West
LAS
Las Vegas
$275 Roundtrip, found 3 days ago
$275
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 4 from Key West to Las Vegas, returning Fri, Nov 7, priced at $275 found 3 days ago
Delta
Tue, Nov 4 - Fri, Nov 7
EYW
Key West
LAS
Las Vegas
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov 4 from Key West to Las Vegas, returning Fri, Nov 7, priced at $278 found 3 days ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
EYW
Key West
LAS
Las Vegas
$280 Roundtrip, found 12 hours ago
$280
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Key West to Las Vegas, returning Sat, Dec 13, priced at $280 found 12 hours ago
Delta
Mon, Oct 20 - Tue, Oct 28
EYW
Key West
LAS
Las Vegas
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 20 from Key West to Las Vegas, returning Tue, Oct 28, priced at $283 found 1 day ago
Spirit Airlines
Fri, Nov 7 - Mon, Nov 10
EYW
Key West
LAS
Las Vegas
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Nov 7 from Key West to Las Vegas, returning Mon, Nov 10, priced at $299 found 1 day ago
JetBlue Airways
Thu, Jan 22 - Sat, Jan 24
EYW
Key West
LAS
Las Vegas
$327 Roundtrip, found 19 hours ago
$327
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Thu, Jan 22 from Key West to Las Vegas, returning Sat, Jan 24, priced at $327 found 19 hours ago

Find the cheapest month to fly from Key West (EYW) to Las Vegas (LAS)

February is typically the cheapest month to fly

From $248 - $864 per traveler.

Frequently asked questions

How much does a flight from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS) cost?
Get a cheap one-way flight from $125 or cheap return flight from $251 from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)?
December is the most affordable month to fly from EYW to LAS. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline flying from EYW to LAS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)?
You'll have to hop on a flight with a layover when traveling from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from EYW to LAS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, including the airline 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 Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book your flight from EYW to LAS often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book an EYW to LAS flight and hotel package?
You can save money by securing an EYW to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS)?
In most cases, you're able to cancel or reschedule your EYW to LAS flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Key West Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$250
Distance
2131 mi

Book with confidence

Book with confidence

Key West to Las Vegas Flights

The cheapest times to fly from Key West to Las Vegas

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 Key West to Las Vegas are during the month of December. You can find some of the cheapest flights from Key West to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Key West to Las Vegas

Sunday is one of the best days to book for cheap flights from Key West to Las Vegas: 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 Key West to Las Vegas

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 Key West to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Key West to Las Vegas 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 Key West to Las Vegas 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.

 

Key West to Las Vegas Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.