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Key Largo

$104+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — MIA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Los Angeles to Key Largo are usually found in August or September, booked 77 days in advance, depart on a Saturday or Tuesday and return on a Thursday

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 September 17, 2025.

Round-trip from

$207
(Frontier)

One-way from

$104
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$410
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 ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:35 amLAX - MIA
2 stops14h 37mFrontier
Sat 10/46:45 amMIA - LAX
1 stop13h 45mFrontier
Deal found 9/14$207
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:57 amLAX - MIA
1 stop6h 40mSpirit Airlines
Mon 11/173:47 pmMIA - LAX
1 stop8h 21mSpirit Airlines
Deal found 9/15$208
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Thu 10/22:03 pmLAX - MIA
1 stop7h 41mFrontier
Sun 10/56:00 amMIA - LAX
1 stop14h 18mFrontier
Deal found 9/15$209
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/1412:09 amLAX - MIA
1 stop15h 02mSpirit Airlines
Tue 10/287:23 pmMIA - LAX
1 stop15h 54mSpirit Airlines
Deal found 9/16$210
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:10 pmLAX - MIA
1 stop6h 51mSpirit Airlines
Tue 10/77:23 pmMIA - LAX
1 stop7h 25mSpirit Airlines
Deal found 9/16$211
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Mon 9/291:08 pmLAX - MIA
1 stop8h 04mFrontier
Tue 9/306:25 pmMIA - LAX
1 stop20h 48mFrontier
Deal found 9/16$212
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:20 amLAX - MIA
1 stop14h 24mFrontier
Thu 10/26:00 amMIA - LAX
2 stops12h 46mFrontier
Deal found 9/15$213
This Flightnetwork deal was found by Cheapflights users on 9/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:09 amLAX - MIA
1 stop6h 47mSpirit Airlines
Wed 10/159:49 amMIA - LAX
1 stop10h 43mSpirit Airlines
Deal found 9/17$214
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:57 amLAX - MIA
1 stop18h 02mSpirit Airlines
Sat 12/136:30 amMIA - LAX
1 stop18h 23mSpirit Airlines
Deal found 9/15$215
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:15 pmLAX - MIA
1 stop14h 04mFrontier
Sat 11/18:00 amMIA - LAX
1 stop8h 15mFrontier
Deal found 9/14$216
This CheapOair deal was found by Cheapflights users on 9/15. 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 11/76:44 amLAX - MIA
2 stops14h 50mFrontier
Fri 11/147:07 pmMIA - LAX
1 stop20h 21mFrontier
Deal found 9/15$217
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1512:09 amLAX - MIA
1 stop19h 00mMultiple Airlines
Tue 10/217:23 pmMIA - LAX
1 stop20h 57mMultiple Airlines
Deal found 9/15$218

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 September 17, 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

Mon 11/10

9:25 am-5:20 pm

Nonstop4h 55m

Miami

Mon 11/17

8:35 pm-11:28 pm

Nonstop5h 53m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Wed 10/8

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Mon 10/13

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 10/23

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Thu 10/30

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 11/13

9:25 am-5:20 pm

Nonstop4h 55m

Miami

Wed 11/19

7:40 am-10:27 am

Nonstop5h 47m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Sat 10/25

7:50 am-3:41 pm

Nonstop4h 51m

Miami

Sat 11/1

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Mon 10/13

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Mon 10/20

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Thu 10/23

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Mon 10/27

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Tue 10/28

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Sat 11/1

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Tue 10/7

9:35 am-5:35 pm

Nonstop5h 00m

Miami

Sun 10/12

7:36 am-10:14 am

Nonstop5h 38m

$357

Los AngelesMiami

LAX - MIA

LAXMIA

Los Angeles

Sat 12/6

7:55 am-3:49 pm

Nonstop4h 54m

Miami

Sun 12/14

7:40 am-10:33 am

Nonstop5h 53m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
1
2
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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 September 12, 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, September is the cheapest month in which you can book a flight from Los Angeles to Key Largo (average of $232). Flying from Los Angeles to Key Largo in March is currently the most expensive (average of $289). 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 September 17, 2025.

When flying from Los Angeles to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Los Angeles to Key Largo

Explore weekly flight availability from Los Angeles to Key Largo. 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 September 17, 2025.

The most flights from LAX to KE9 are scheduled on a Monday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
2,914 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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 43 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, 21 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 55m. Fly via Delta to get the fastest option. Los Angeles and Key Largo are separated by a distance of 2337 mi. All flights are typically nonstop.

  • 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: China Airlines (80%), Delta (80%), LATAM Airlines( 80%).

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

    The cheapest flight price from Los Angeles to Key Largo is $173. On average you can expect to pay $1,067. The most popular route, (Los Angeles - Miami), can usually be booked for $170.

  • 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, September is the cheapest month in which you can book a flight from Los Angeles to Key Largo (average of $232). Flying from Los Angeles to Key Largo in March is currently the most expensive (average of $289). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$93Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$116Average$235FlexibilityNo cancel feeOn-time65%
DeltaCheapest$139Average$447FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$173Average$459FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$183Average$347FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$454FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$531FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$246Average$472FlexibilityNo cancel feeOn-time75%

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