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Key Largo

$119+ Cheap flights from Los Angeles (LAX) to Key Largo, FL

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from Los Angeles to Key Largo are usually found in September or August, booked 77 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Find flight deals from Los Angeles to Key Largo

Cheapest flights from Los Angeles to Key Largo
Explore the most affordable flight options available from Los Angeles to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/2212:38 amLAX - MIA
1 stop9h 24mMultiple Airlines
Tue 12/29:03 pmMIA - LAX
2 stops26h 02mMultiple Airlines
Deal found 10/31$258
This CheapOair deal was found by Cheapflights users on 10/31. 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.
Fri 11/79:22 pmLAX - MIA
1 stop29h 57mFrontier
Sun 12/145:30 amMIA - LAX
1 stop10h 17mFrontier
Deal found 10/31$259
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:53 amLAX - MIA
2 stops20h 07mSpirit Airlines
Mon 11/2410:45 amMIA - LAX
2 stops24h 10mSpirit Airlines
Deal found 11/2$260
This CheapOair deal was found by Cheapflights users on 11/1. 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.
Wed 11/121:20 amLAX - MIA
1 stop12h 02mSpirit Airlines
Tue 11/185:27 pmMIA - LAX
1 stop9h 22mSpirit Airlines
Deal found 11/1$262
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:57 pmLAX - MIA
2 stops15h 50mSpirit Airlines
Tue 11/2511:49 amMIA - LAX
2 stops22h 05mSpirit Airlines
Deal found 11/1$263
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/2710:45 pmLAX - MIA
1 stop9h 13mFrontier
Wed 1/145:55 amMIA - LAX
1 stop10h 05mFrontier
Deal found 11/2$265
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Sun 11/309:54 pmLAX - MIA
2 stops9h 55mMultiple Airlines
Wed 12/35:02 pmMIA - LAX
1 stop19h 28mMultiple Airlines
Deal found 10/31$267
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/152:48 pmLAX - MIA
1 stop12h 31mFrontier
Sun 11/1610:32 pmMIA - LAX
2 stops22h 35mFrontier
Deal found 11/1$268
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Wed 11/121:20 amLAX - MIA
1 stop12h 02mMultiple Airlines
Mon 11/175:45 amMIA - LAX
2 stops21h 40mMultiple Airlines
Deal found 11/1$269
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:10 pmLAX - MIA
2 stops19h 44mSpirit Airlines
Mon 12/89:59 pmMIA - LAX
3 stops26h 16mSpirit Airlines
Deal found 11/2$270

Cheap flight deals from Los Angeles to Key Largo

Keep the following information in mind while searching for Los Angeles to Key Largo flight deals. Data was last updated November 2, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$258
(Kiwi.com)

One-way from

$119
(Delta)

Popular in

December

Cheapest in

September

Average price

$474
Provider with most accurate pricing for Los Angeles-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Miami flights.
Search Deals
From Los Angeles to Key Largo
Search Deals
One-way flight from Los Angeles to Key Largo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles to Key Largo 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 November 2, 2025.
Use the filters below to find and compare flights from Los Angeles to Key Largo that are best for you.

Fly from

Los Angeles

Fly to

Key Largo

Route

Depart

Return

Price

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Sat 11/22

12:19 am-3:47 pm

1 stop12h 28m

Miami

Fri 11/28

12:28 pm-11:50 pm

1 stop14h 22m

$273

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Sat 12/13

9:09 pm-4:00 pm

1 stop15h 51m

Miami

Wed 12/17

5:00 pm-11:59 pm

1 stop9h 59m

$356

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Mon 11/24

10:00 pm-5:51 am

Nonstop4h 51m

Miami

Sat 12/13

7:39 am-10:29 am

Nonstop5h 50m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Wed 12/10

9:36 am-5:40 pm

Nonstop5h 04m

Miami

Mon 12/15

7:39 am-10:30 am

Nonstop5h 51m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Mon 11/24

7:10 pm-6:25 am

1 stop8h 15m

Miami

Tue 12/2

7:39 am-10:29 am

Nonstop5h 50m

$367

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Fri 12/5

1:05 pm-12:46 am

1 stop8h 41m

Miami

Sat 12/6

7:39 am-10:29 am

Nonstop5h 50m

$367

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Mon 1/5

8:59 pm-5:11 pm

1 stop17h 12m

Miami

Fri 1/16

4:39 pm-11:57 pm

1 stop10h 18m

$370

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 12/11

12:25 am-11:49 am

1 stop8h 24m

Miami

Sun 12/14

7:45 am-1:05 pm

1 stop8h 20m

$377

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 12/4

12:25 am-11:49 am

1 stop8h 24m

Miami

Mon 12/15

1:25 pm-6:10 pm

1 stop7h 45m

$377

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 11/27

9:37 am-5:33 pm

Nonstop4h 56m

Miami

Wed 12/10

7:39 am-10:29 am

Nonstop5h 50m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Los Angeles to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Los Angeles 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.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Key Largo

How far ahead should I book a flight from Los Angeles to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Key Largo. Price data was last updated on October 31, 2025.

The best time to book flights from Los Angeles to Key Largo is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Los Angeles to Key Largo?

Currently, November is the cheapest month in which you can book a flight from Los Angeles to Key Largo (average of $93). Flying from Los Angeles to Key Largo in June is currently the most expensive (average of $174). 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 LAX to KE9?

Find hourly flight availability from Los Angeles to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

It’s optimal to fly from Los Angeles to Key Largo in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Los Angeles to Key Largo?

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

Travelers seeking maximum savings on their Los Angeles to Key Largo flight should consider departing on Monday evenings 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.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated November 2, 2025.
Get a feel of what it's like to fly with Delta, American Airlines, and JetBlue from Los Angeles to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,907 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Spirit Airlines
6.3
Okay
8,120 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Frontier
5.8
Fair
3,118 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Key Largo. 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 from for flights from Los Angeles to Key Largo?

    Los Angeles (LAX) is the airport you will fly out of if you book a flight from Los Angeles to Key Largo. You should not have trouble finding flights to Key Largo from Los Angeles; the airport handles an average of 13 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Los Angeles airport to Key Largo. It is only a 9.4 mi journey to Los Angeles (LAX) from Los Angeles’s city center.

  • How popular is this Los Angeles to Key Largo flight route?

    Within the past month, 30 users have taken a look at flights from Los Angeles to Key Largo.

  • How long is the flight from Los Angeles to Key Largo?

    There are many flights that can get you from Los Angeles to Key Largo in 4h 51m. Fly via Spirit Airlines, Alaska Airlines, or Delta to get the fastest option. Los Angeles and Key Largo are separated by a distance of 2337 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Los Angeles to Key Largo?

    Before booking your flight to Key Largo from Los Angeles, check out the most reliable airlines to get you to your destination on time: Cathay Pacific (92%), Philippine Airlines (89%), British Airways( 88%).

  • What are the cheapest flights from Los Angeles to Key Largo?

    The cheapest flight price from Los Angeles to Key Largo is $155. On average you can expect to pay $1,067. The most popular route, (Los Angeles - Miami), can usually be booked for $114.

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

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

  • How can I find direct flights from Los Angeles to Key Largo?

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

  • Can I find deals for business class flights from Los Angeles to Key Largo?

    Yes. Cheapflights offers flight deals from Los Angeles 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.

  • What is the cheapest month to book a flight from Los Angeles to Key Largo?

    Currently, November is the cheapest month in which you can book a flight from Los Angeles to Key Largo (average of $93). Flying from Los Angeles to Key Largo in June is currently the most expensive (average of $174). 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.

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Top 8 airlines flying from Los Angeles to Key Largo

Discover the top 8 airlines that operate flights from Los Angeles to Key Largo. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$93Average$196FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$136Average$437FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$188Average$355FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$191Average$445FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$487FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$275Average$490FlexibilityNo cancel feeOn-time75%

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