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Cheap flights from Key West to Las Vegas from $255

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Las Vegas departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Spirit Airlines Logo
12:20 pm - 8:38 amEYW-LAS
23h 18m2 stops
Spirit Airlines Logo
10:08 pm - 1:30 pmLAS-EYW
12h 22m1 stop
$255Spirit Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
American Airlines Logo
5:15 pm - 10:37 pmEYW-LAS
8h 22m1 stop
American Airlines Logo
9:45 am - 10:59 pmLAS-EYW
10h 14m2 stops
$256American Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
4:34 pm - 9:43 amEYW-LAS
20h 09m1 stop
Multiple Airlines Logo
10:08 pm - 1:30 pmLAS-EYW
12h 22m1 stop
$287Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
American Airlines Logo
6:06 am - 2:29 pmEYW-LAS
11h 23m2 stops
American Airlines Logo
9:45 am - 10:59 pmLAS-EYW
10h 14m2 stops
$290American Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Spirit Airlines Logo
12:20 pm - 8:45 pmEYW-LAS
11h 25m1 stop
Spirit Airlines Logo
9:48 pm - 1:30 pmLAS-EYW
12h 42m2 stops
$296Spirit Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
9:59 am - 8:45 pmEYW-LAS
13h 46m2 stops
Multiple Airlines Logo
9:48 pm - 1:30 pmLAS-EYW
12h 42m2 stops
$334Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Delta Logo
7:40 am - 1:40 pmEYW-LAS
9h 00m1 stop
Delta Logo
12:43 am - 11:31 amLAS-EYW
7h 48m1 stop
$389Delta
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Tue, Nov 25 - Fri, Nov 28
Delta Logo
3:02 pm - 9:47 pmEYW-LAS
9h 45m1 stop
Delta Logo
8:06 pm - 8:06 pmLAS-EYW
21h 00m2 stops
$441Delta
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Thu, Dec 4 - Fri, Dec 12
United Airlines Logo
4:15 pm - 9:59 pmEYW-LAS
8h 44m1 stop
United Airlines Logo
12:59 am - 3:53 pmLAS-EYW
11h 54m1 stop
$616United Airlines
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Sat, Feb 7 - Fri, Feb 13
United Airlines Logo
12:22 pm - 12:57 amEYW-LAS
15h 35m2 stops
United Airlines Logo
12:59 am - 3:53 pmLAS-EYW
11h 54m1 stop
$658United Airlines
Find Deal
Sat, Feb 7 - Fri, Feb 13

Spirit Airlines flights from Key West to Las Vegas

Our best Spirit Airlines deals on Key West to Las Vegas flight tickets
Spirit Airlines
Dec 4
EYW12:20 pmKey West
23h 18m
2 stops
LAS8:38 amLas Vegas Harry Reid Intl
Dec 12
LAS10:08 pmLas Vegas Harry Reid Intl
12h 22m
1 stop
EYW1:30 pmKey West
$255
Find similar
Spirit Airlines
Dec 11
EYW12:20 pmKey West
11h 25m
1 stop
LAS8:45 pmLas Vegas Harry Reid Intl
Dec 18
LAS9:48 pmLas Vegas Harry Reid Intl
12h 42m
2 stops
EYW1:30 pmKey West
$296
Find similar
Spirit Airlines
Dec 4
EYW12:20 pmKey West
23h 18m
3 stops
LAS8:38 amLas Vegas Harry Reid Intl
Dec 12
LAS6:58 pmLas Vegas Harry Reid Intl
15h 32m
2 stops
EYW1:30 pmKey West
$328
Find similar

United Airlines flights from Key West to Las Vegas

Our best United Airlines deals on Key West to Las Vegas flight tickets
United Airlines
Feb 7
EYW2:05 pmKey West
10h 46m
1 stop
LAS9:51 pmLas Vegas Harry Reid Intl
Feb 13
LAS12:59 amLas Vegas Harry Reid Intl
11h 54m
1 stop
EYW3:53 pmKey West
$616
Find similar
United Airlines
Feb 7
EYW12:22 pmKey West
15h 35m
2 stops
LAS12:57 amLas Vegas Harry Reid Intl
Feb 13
LAS12:59 amLas Vegas Harry Reid Intl
11h 54m
1 stop
EYW3:53 pmKey West
$658
Find similar
United Airlines
Feb 19
EYW3:56 pmKey West
10h 24m
1 stop
LAS11:20 pmLas Vegas Harry Reid Intl
Feb 21
LAS12:59 amLas Vegas Harry Reid Intl
18h 15m
2 stops
EYW10:14 pmKey West
$681
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Las Vegas 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, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from Key West to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 12/4

12:20 pm-8:38 am

2 stops23h 18m

Las Vegas Harry Reid Intl

Fri 12/12

10:08 pm-1:30 pm

1 stop12h 22m

$255

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 2/7

5:15 pm-10:37 pm

1 stop8h 22m

Las Vegas Harry Reid Intl

Sat 2/14

9:45 am-10:59 pm

2 stops10h 14m

$256

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 12/4

4:34 pm-9:43 am

1 stop20h 09m

Las Vegas Harry Reid Intl

Fri 12/12

10:08 pm-1:30 pm

1 stop12h 22m

$287

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 2/7

6:06 am-2:29 pm

2 stops11h 23m

Las Vegas Harry Reid Intl

Sat 2/14

9:45 am-10:59 pm

2 stops10h 14m

$290

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 12/11

12:20 pm-8:45 pm

1 stop11h 25m

Las Vegas Harry Reid Intl

Thu 12/18

9:48 pm-1:30 pm

2 stops12h 42m

$296

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 12/11

9:59 am-8:45 pm

2 stops13h 46m

Las Vegas Harry Reid Intl

Thu 12/18

9:48 pm-1:30 pm

2 stops12h 42m

$334

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Tue 11/25

7:40 am-1:40 pm

1 stop9h 00m

Las Vegas Harry Reid Intl

Fri 11/28

12:43 am-11:31 am

1 stop7h 48m

$389

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 12/4

3:02 pm-9:47 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Fri 12/12

8:06 pm-8:06 pm

2 stops21h 00m

$441

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 2/7

4:15 pm-9:59 pm

1 stop8h 44m

Las Vegas Harry Reid Intl

Fri 2/13

12:59 am-3:53 pm

1 stop11h 54m

$616

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 2/7

12:22 pm-12:57 am

2 stops15h 35m

Las Vegas Harry Reid Intl

Fri 2/13

12:59 am-3:53 pm

1 stop11h 54m

$658

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Key West to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Key West and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Key West, with most prices found around $256. The month of October is another great option to travel to Las Vegas, with average flight prices from Key West averaging around $327.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $374. Flights from Key West to Las Vegas on a Sunday will generally be more expensive and average around $509. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $403. Flights to Las Vegas are more costly at noon, with an average ticket price of $509. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Key West to Las Vegas flights?

You could potentially save up to 72% on your flight if you consider stops on a Key West to Las Vegas flight.

When to book flights from Key West to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to Las Vegas (EYW to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Las Vegas

Direct flights

None
There are no direct flights from Key West to Las Vegas. There are no popular flight routes from Key West to Las Vegas.
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  • How far is Key West to Las Vegas Harry Reid Intl by plane?

    The distance between Key West and Las Vegas Harry Reid Intl is about 2128.6 mi. Typically, this will take 7h 06m by plane in normal conditions.

  • When did momondo last update prices for flights from Key West Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Key West Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Key West Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Key West Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Key West to Las Vegas?

Best airlines flying from Key West to Las Vegas

Compare and see reviews for airlines that fly from Key West to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $256Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Key West to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Key West to Las Vegas with flexible booking policies on momondo?

Yes. All flights to Las Vegas from Key West on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Key West to Las Vegas?

Once all potential Key West to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Key West to Las Vegas right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Key West to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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