HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$65+ Cheap flights from Key Largo, FL to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LAS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Las Vegas with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Key Largo to Las Vegas Harry Reid Intl are usually found in January or August, booked 43 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Key Largo to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$139
(CheapOair)

One-way from

$65
(Frontier)

Popular in

December

Cheapest in

January

Average price

$274
From Key Largo to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Key Largo to Las Vegas Harry Reid Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Key Largo to Las Vegas

Cheapest flights from Key Largo to Las Vegas
Explore the most affordable flight options available from Key Largo to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This CheapOair deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:00 amMIA - LAS
1 stop20h 57mFrontier
Mon 5/512:59 amLAS - MIA
1 stop25h 23mFrontier
Deal found 1/21$139
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/288:55 pmMIA - LAS
Nonstop5h 42mMultiple Airlines
Sun 3/212:59 amLAS - MIA
1 stop10h 09mMultiple Airlines
Deal found 1/20$140
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/158:55 pmMIA - LAS
Nonstop5h 42mSpirit Airlines
Tue 2/189:25 pmLAS - MIA
Nonstop4h 35mSpirit Airlines
Deal found 1/20$142
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:48 pmMIA - LAS
Nonstop5h 33mAmerican Airlines
Tue 2/118:22 amLAS - MIA
Nonstop4h 38mAmerican Airlines
Deal found 1/20$233
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:10 amMIA - LAS
1 stop9h 38mUnited Airlines
Sat 2/812:59 amLAS - MIA
1 stop6h 58mUnited Airlines
Deal found 1/21$249

Find flights from Key Largo to Las Vegas within your budget

Customize your flight search to find flights from Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Sat 2/22

6:25 am-6:33 pm

1 stop15h 08m

Las Vegas Harry Reid Intl

Tue 2/25

11:12 pm-9:40 am

1 stop7h 28m

$139

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Sat 3/1

9:48 am-10:59 pm

1 stop16h 11m

Las Vegas Harry Reid Intl

Fri 3/7

10:36 pm-6:15 am

Nonstop4h 39m

$140

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Thu 2/20

8:55 pm-11:37 pm

Nonstop5h 42m

Las Vegas Harry Reid Intl

Thu 2/27

6:00 am-12:13 am

1 stop15h 13m

$143

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 2/12

6:48 pm-9:21 pm

Nonstop5h 33m

Las Vegas Harry Reid Intl

Sat 2/15

11:01 pm-6:29 am

Nonstop4h 28m

$208

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Thu 2/6

6:10 am-12:48 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

Sat 2/8

12:59 am-10:57 am

1 stop6h 58m

$249

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Thu 2/20

8:00 am-3:45 pm

2 stops10h 45m

Las Vegas Harry Reid Intl

Sun 2/23

6:25 am-6:35 pm

1 stop9h 10m

$269

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Sat 2/15

3:39 pm-9:27 pm

1 stop8h 48m

$65

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Thu 2/6

7:52 am-10:25 am

Nonstop5h 33m

$66

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Mon 3/31

7:30 pm-10:17 pm

Nonstop5h 47m

$150

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 3/5

8:45 am-5:20 pm

2 stops11h 35m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
1
2

Best time to book a flight from Key Largo to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Key Largo to Las Vegas

Get recent, data-driven insights about flights from Key Largo to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Las Vegas. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Key Largo to Las Vegas, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Key Largo to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Las Vegas (average of $198). Flying from Key Largo to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to LAS?

Find hourly flight availability from Key Largo to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Las Vegas as you normally would.

What is the cheapest day to fly from Key Largo to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Las Vegas. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Las Vegas flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Las Vegas

Explore weekly flight availability from Key Largo to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from KE9 to LAS are scheduled on a Tuesday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated January 21, 2025.
See what other customers who have flown with Spirit Airlines, American Airlines and Frontier from Key Largo to Las Vegas have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Key Largo?

    For a flight from Key Largo to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city. Harry Reid Intl is the only Las Vegas airport and it handles 12 inbound flights from Key Largo per day. 7 airlines have flights to Las Vegas Harry Reid Intl from Key Largo on a regular basis.

  • How popular is this Key Largo to Las Vegas flight route?

    Flights from Key Largo to Las Vegas Harry Reid Intl have been viewed 96 times in the past calendar month.

  • What are the cheapest airlines to fly from Key Largo to Las Vegas one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. Spirit Airlines flights start at $66 while deals on American Airlines start at $159 one-way.

  • What are the most reliable airlines from Key Largo to Las Vegas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key Largo to Las Vegas on time: Delta (100%), American Airlines (83%), Finnair (82%).

  • What are the cheapest flights from Key Largo to Las Vegas?

    Looking for the cheapest flight from Key Largo to Las Vegas? While on average our users pay $1,197, our data indicates the cheapest price to be $64. The most popular route (Miami - Las Vegas Harry Reid Intl), is priced around $120.

  • Can I find deals for flights from Key Largo to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Key Largo to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Las Vegas.

  • Can I find deals for business class flights from Key Largo to Las Vegas?

    Yes. Cheapflights offers flight deals from Key Largo to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Las Vegas (average of $198). Flying from Key Largo to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Henderson
Paradise
Sunrise Manor
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Needles
Mount Charleston
Pahrump

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Miami to Las Vegas flights
Tampa to Las Vegas flights
West Palm Beach to Las Vegas flights
Jacksonville to Las Vegas flights
Sarasota to Las Vegas flights
Fort Myers to Las Vegas flights
Pensacola to Las Vegas flights
Tampa to Reno flights
Daytona Beach to Las Vegas flights
Fort Lauderdale to Reno flights
Miami to Reno flights
Panama City to Las Vegas flights
Orlando to Reno flights
Melbourne to Las Vegas flights
Orlando Sanford Intl to Las Vegas flights
Tallahassee to Las Vegas flights
Gainesville to Las Vegas flights
Valparaiso to Las Vegas flights
Jacksonville to Reno flights
Key West to Las Vegas flights
Fort Myers to Reno flights
West Palm Beach to Reno flights
Pensacola to Reno flights
Panama City to Reno flights
Sarasota to Reno flights
Valdosta to Las Vegas flights
Gainesville to Reno flights
Daytona Beach to Reno flights
Valparaiso to Reno flights
Melbourne to Reno flights
Tallahassee to Reno flights
Orlando to Twin Falls flights
Orlando to Elko flights
Daytona Beach to Twin Falls flights
Fort Lauderdale to Twin Falls flights

Top 7 airlines flying from Key Largo to Las Vegas

Discover the top 7 airlines that operate flights from Key Largo to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$244FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$201FlexibilityNo cancel feeOn-time62%
DeltaCheapest$129Average$383FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$153Average$375FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$207Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$212Average$355FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$426FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.