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

View $125 flight on Fri, Oct 31, 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 $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Sat, Nov 1
EYW
Key West
LAS
Las Vegas
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from Key West to Las Vegas, returning Sat, Nov 1, priced at $250 found 3 days ago
American Airlines
Tue, Sep 23 - Sat, Sep 27
EYW
Key West
LAS
Las Vegas
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 23 from Key West to Las Vegas, returning Sat, Sep 27, priced at $251 found 1 day ago
United
Fri, Oct 31 - Sat, Nov 1
EYW
Key West
LAS
Las Vegas
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 31 from Key West to Las Vegas, returning Sat, Nov 1, priced at $252 found 3 days ago
American Airlines
Fri, Oct 31 - Sat, Nov 1
EYW
Key West
LAS
Las Vegas
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from Key West to Las Vegas, returning Sat, Nov 1, priced at $255 found 3 days ago
American Airlines
Tue, Sep 23 - Sat, Sep 27
EYW
Key West
LAS
Las Vegas
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 23 from Key West to Las Vegas, returning Sat, Sep 27, priced at $256 found 1 day ago
Delta
Wed, Oct 29 - Tue, Nov 18
EYW
Key West
LAS
Las Vegas
$257 Roundtrip, found 14 hours ago
$257
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Oct 29 from Key West to Las Vegas, returning Tue, Nov 18, priced at $257 found 14 hours ago
Delta
Tue, Sep 23 - Sat, Sep 27
EYW
Key West
LAS
Las Vegas
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 23 from Key West to Las Vegas, returning Sat, Sep 27, priced at $258 found 1 day ago
JetBlue Airways
Sat, Oct 11 - Thu, Oct 23
EYW
Key West
LAS
Las Vegas
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Oct 11 from Key West to Las Vegas, returning Thu, Oct 23, priced at $277 found 3 days ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
EYW
Key West
LAS
Las Vegas
$280 Roundtrip, found 20 hours ago
$280
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Key West to Las Vegas, returning Tue, Sep 30, priced at $280 found 20 hours ago
Spirit Airlines
Mon, Feb 2 - Sat, Feb 7
EYW
Key West
LAS
Las Vegas
$429 Roundtrip, found 6 days ago
$429
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Mon, Feb 2 from Key West to Las Vegas, returning Sat, Feb 7, priced at $429 found 6 days ago

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

April is typically the cheapest month to fly

From $248 - $886 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

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

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $348
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $348
Flights from Key West (EYW) to Las Vegas (LAS)
Origin airport
Key West Intl.
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$249
Distance
2131 mi

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 October. 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.

 

Frequently asked questions

How much does a flight from Key West Intl. Airport (EYW) to Harry Reid Intl. Airport (LAS) cost?
Discover the latest flight deals from EYW to LAS 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 EYW to LAS?
The cheapest flights from EYW to LAS 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 EYW to LAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from EYW to LAS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.