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Cheap flights from Key West to Las Vegas from $123

This is the cheapest one-way 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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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American Airlines Logo
4:37 pm - 10:33 pmEYW-LAS
8h 56m1 stop
American Airlines Logo
10:05 am - 10:49 pmLAS-EYW
9h 44m2 stops
$280American Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
8:55 am - 10:23 amEYW-LAS
28h 28m1 stop
Multiple Airlines Logo
9:48 pm - 11:20 amLAS-EYW
34h 32m2 stops
$288Multiple Airlines
Find Deal
Mon, Dec 15 - Fri, Dec 19
Spirit Airlines Logo
12:51 pm - 11:44 pmEYW-LAS
13h 53m1 stop
Spirit Airlines Logo
2:45 pm - 1:30 pmLAS-EYW
19h 45m2 stops
$292Spirit Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Spirit Airlines Logo
12:51 pm - 5:18 pmEYW-LAS
31h 27m3 stops
Spirit Airlines Logo
9:59 pm - 1:30 pmLAS-EYW
12h 31m1 stop
$302Spirit Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
American Airlines Logo
4:37 pm - 10:33 pmEYW-LAS
8h 56m1 stop
American Airlines Logo
10:05 am - 10:43 pmLAS-EYW
9h 38m1 stop
$305American Airlines
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Sat, Feb 7 - Sat, Feb 14
Delta Logo
6:20 pm - 11:20 pmEYW-LAS
8h 00m1 stop
Delta Logo
12:35 am - 10:52 amLAS-EYW
7h 17m1 stop
$309Delta
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Sat, Dec 20 - Tue, Dec 23
Spirit Airlines Logo
12:51 pm - 11:44 pmEYW-LAS
13h 53m1 stop
Spirit Airlines Logo
1:01 am - 1:30 pmLAS-EYW
33h 29m3 stops
$316Spirit Airlines
Find Deal
Thu, Jan 22 - Sat, Jan 24
American Airlines Logo
6:06 am - 2:29 pmEYW-LAS
11h 23m2 stops
American Airlines Logo
10:05 am - 10:49 pmLAS-EYW
9h 44m2 stops
$319American Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
2:47 pm - 11:25 pmEYW-LAS
11h 38m1 stop
United Airlines Logo
11:53 pm - 11:41 amLAS-EYW
8h 48m1 stop
$320United Airlines
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Wed, Dec 17 - Sun, Dec 21
American Airlines Logo
7:00 am - 1:56 pmEYW-LAS
9h 56m2 stops
American Airlines Logo
10:40 pm - 12:08 pmLAS-EYW
10h 28m1 stop
$325American Airlines
Find Deal
Wed, Dec 17 - Sun, Dec 21

American Airlines flights from Key West to Las Vegas

Our best American Airlines deals on Key West to Las Vegas flight tickets
American Airlines
Feb 7
EYW4:37 pmKey West
8h 56m
1 stop
LAS10:33 pmLas Vegas Harry Reid Intl
Feb 14
LAS10:05 amLas Vegas Harry Reid Intl
9h 44m
2 stops
EYW10:49 pmKey West
$280
Find similar
American Airlines
Feb 7
EYW4:37 pmKey West
8h 56m
1 stop
LAS10:33 pmLas Vegas Harry Reid Intl
Feb 14
LAS10:05 amLas Vegas Harry Reid Intl
9h 38m
1 stop
EYW10:43 pmKey West
$305
Find similar
American Airlines
Feb 7
EYW6:06 amKey West
11h 23m
2 stops
LAS2:29 pmLas Vegas Harry Reid Intl
Feb 14
LAS10:05 amLas Vegas Harry Reid Intl
9h 44m
2 stops
EYW10:49 pmKey West
$319
Find similar

Spirit Airlines flights from Key West to Las Vegas

Our best Spirit Airlines deals on Key West to Las Vegas flight tickets
Spirit Airlines
Jan 22
EYW12:51 pmKey West
13h 53m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
Jan 25
LAS2:45 pmLas Vegas Harry Reid Intl
19h 45m
2 stops
EYW1:30 pmKey West
$292
Find similar
Spirit Airlines
Jan 22
EYW12:51 pmKey West
31h 27m
3 stops
LAS5:18 pmLas Vegas Harry Reid Intl
Jan 25
LAS9:59 pmLas Vegas Harry Reid Intl
12h 31m
1 stop
EYW1:30 pmKey West
$302
Find similar
Spirit Airlines
Jan 22
EYW12:51 pmKey West
13h 53m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
Jan 24
LAS1:01 amLas Vegas Harry Reid Intl
33h 29m
3 stops
EYW1:30 pmKey West
$316
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 December 2, 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

Sat 2/7

4:37 pm-10:33 pm

1 stop8h 56m

Las Vegas Harry Reid Intl

Sat 2/14

10:05 am-10:49 pm

2 stops9h 44m

$280

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Mon 12/15

8:55 am-10:23 am

1 stop28h 28m

Las Vegas Harry Reid Intl

Fri 12/19

9:48 pm-11:20 am

2 stops34h 32m

$288

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 1/22

12:51 pm-11:44 pm

1 stop13h 53m

Las Vegas Harry Reid Intl

Sun 1/25

2:45 pm-1:30 pm

2 stops19h 45m

$292

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 1/22

12:51 pm-5:18 pm

3 stops31h 27m

Las Vegas Harry Reid Intl

Sun 1/25

9:59 pm-1:30 pm

1 stop12h 31m

$302

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 2/7

4:37 pm-10:33 pm

1 stop8h 56m

Las Vegas Harry Reid Intl

Sat 2/14

10:05 am-10:43 pm

1 stop9h 38m

$305

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Sat 12/20

6:20 pm-11:20 pm

1 stop8h 00m

Las Vegas Harry Reid Intl

Tue 12/23

12:35 am-10:52 am

1 stop7h 17m

$309

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Thu 1/22

12:51 pm-11:44 pm

1 stop13h 53m

Las Vegas Harry Reid Intl

Sat 1/24

1:01 am-1:30 pm

3 stops33h 29m

$316

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

10:05 am-10:49 pm

2 stops9h 44m

$319

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Wed 12/17

2:47 pm-11:25 pm

1 stop11h 38m

Las Vegas Harry Reid Intl

Sun 12/21

11:53 pm-11:41 am

1 stop8h 48m

$320

Key WestLas Vegas

EYW - LAS

EYWLAS

Key West

Wed 12/17

7:00 am-1:56 pm

2 stops9h 56m

Las Vegas Harry Reid Intl

Sun 12/21

10:40 pm-12:08 pm

1 stop10h 28m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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

Fastest flight time

8h 00m

Direct flights

None
The fastest flight from Key West to Las Vegas takes 8h 00m
There are no direct flights from Key West to Las Vegas. There are no popular flight routes from Key West to Las Vegas.
Search flight deals

  • 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 51m 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
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
11,041 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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