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

Within the past month, 84 users have taken a look at flights from Las Vegas Harry Reid Intl to Key Largo.

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

The cheapest airlines for a one-way flight from Las Vegas to Key Largo are JetBlue ($58), Frontier ($74), and Southwest ($124).

Weekly flight availability from Las Vegas to Key Largo

The most flights from LAS to KE9 are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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

On average you can expect to pay $1,207 for a flight from Las Vegas to Key Largo. The cheapest flight overall is $191 while the most popular route, (Las Vegas Harry Reid Intl - Miami) is currently priced at $265.

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

Consider British Airways (82%), GOL (75%) or Royal Air Maroc (73%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Key Largo.

What are the most popular airlines that fly from Las Vegas to Key Largo?

Before booking your flight from Las Vegas to Key Largo check out the most popular airlines for this route: American Airlines, Frontier or Southwest.

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

If you book a flight to Key Largo from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 10 flights from Harry Reid Intl to Key Largo per day from 6 different airlines.

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

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

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

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

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

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

Find Cheap Flights from Las Vegas to Key Largo

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Key Largo are usually found in April or July, booked 15 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Find flight deals from Las Vegas to Key Largo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	April
Average price	$429

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Key Largo

Prices

Airlines

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

Unlike at noon, when flights are generally more expensive, you can save up to 59% on flights from Las Vegas to Key Largo by exploring options for tickets in the afternoon.

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

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

Reviews of airlines servicing Key Largo

Read through reviews of airlines operating flights from Las Vegas to Key Largo, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

7.9

Good

4,214 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

United Airlines

7.4

Good

10,299 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

JetBlue

7.1

Good

3,046 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.0

Good

12,130 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Frontier

5.5

Fair

2,552 reviews

Southwest

7.9

Good

4,214 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

What airport do you fly from for flights from Las Vegas to Key Largo?
If you book a flight to Key Largo from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 10 flights from Harry Reid Intl to Key Largo per day from 6 different airlines.
How popular is this Las Vegas to Key Largo flight route?
Within the past month, 84 users have taken a look at flights from Las Vegas Harry Reid Intl to Key Largo.
What are the cheapest airlines to fly from Las Vegas to Key Largo one-way?
The cheapest airlines for a one-way flight from Las Vegas to Key Largo are JetBlue ($58), Frontier ($74), and Southwest ($124).
What are the most reliable airlines from Las Vegas to Key Largo?
Consider British Airways (82%), GOL (75%) or Royal Air Maroc (73%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Key Largo.
What are the cheapest flights from Las Vegas to Key Largo?
On average you can expect to pay $1,207 for a flight from Las Vegas to Key Largo. The cheapest flight overall is $191 while the most popular route, (Las Vegas Harry Reid Intl - Miami) is currently priced at $265.
Can I find deals for flights from Las Vegas to Key Largo that include hotel bookings?
Yes. In addition to deals on Las Vegas to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Key Largo.
Can I find deals for business class flights from Las Vegas to Key Largo?
Yes. Cheapflights offers flight deals from Las Vegas to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 6 airlines flying from Las Vegas to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$58	Average$404	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$128	Average$337	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$140	Average$287	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$192	Average$409	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$235	Average$409	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$236	Average$465	FlexibilityNo cancel fee	On-time71%

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

Find cheap flights from Las Vegas to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Las Vegas to Key Largo

Most accurate provider

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Popular in

Cheapest in

Average price

Cheapflights Insights

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

Unlike at noon, when flights are generally more expensive, you can save up to 59% on flights from Las Vegas to Key Largo by exploring options for tickets in the afternoon.

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

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

Weekly flight availability from Las Vegas to Key Largo

The most flights from LAS to KE9 are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Key Largo

Read through reviews of airlines operating flights from Las Vegas to Key Largo, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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 Las Vegas to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Las Vegas to Key Largo by cabin class

Find flights from Las Vegas to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Las Vegas and Key Largo flights

Browse other Las Vegas and Key Largo flight options. Last updated on October 7, 2026.

Other flights from Las Vegas

Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.

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Las Vegas to Key Largo flights

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Top 6 airlines flying from Las Vegas to Key Largo

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