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$77+ Cheap flights from Key Largo, FL to California

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LAX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Key Largo to California

Keep the following information in mind while searching for Key Largo to California flight deals. Data was last updated September 15, 2025.

Round-trip from

$158
(CheapOair)

One-way from

$77
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$407
From Key Largo to California
Search Deals
One-way flight from Key Largo to California
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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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 September 2025
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Find flight deals from Key Largo to California

Cheapest flights from Key Largo to California
Explore the most affordable flight options available from Key Largo to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This CheapOair deal was found by Cheapflights users on 9/13. 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 10/38:00 amMIA - ONT
1 stop13h 35mFrontier
Sun 10/512:28 pmONT - MIA
1 stop23h 03mFrontier
Deal found 9/13$158
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 amMIA - ONT
1 stop13h 49mFrontier
Mon 11/38:24 amONT - MIA
1 stop11h 03mFrontier
Deal found 9/14$160
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amMIA - LAS
1 stop20h 29mFrontier
Thu 11/611:11 amLAS - MIA
1 stop24h 12mFrontier
Deal found 9/15$160
This CheapOair deal was found by Cheapflights users on 9/13. 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 10/38:00 amMIA - ONT
1 stop13h 35mFrontier
Sat 10/48:59 pmONT - MIA
1 stop24h 45mFrontier
Deal found 9/13$161
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:00 amMIA - LAS
1 stop29h 02mFrontier
Thu 10/210:41 amLAS - MIA
1 stop24h 50mFrontier
Deal found 9/14$161
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.
Sat 10/186:00 amMIA - LAS
1 stop20h 29mFrontier
Fri 10/2412:59 amLAS - MIA
1 stop12h 15mFrontier
Deal found 9/15$162
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amMIA - ONT
1 stop20h 50mFrontier
Sun 10/266:53 amONT - MIA
1 stop20h 26mFrontier
Deal found 9/14$163
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:00 amMIA - RNO
1 stop8h 04mFrontier
Fri 10/311:59 amRNO - MIA
1 stop9h 45mFrontier
Deal found 9/14$163
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:47 pmMIA - LAS
Nonstop5h 29mSpirit Airlines
Mon 11/177:00 amLAS - MIA
Nonstop4h 42mSpirit Airlines
Deal found 9/14$163
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/36:51 pmMIA - LAS
1 stop28h 03mFrontier
Sat 10/412:59 amLAS - MIA
1 stop20h 45mFrontier
Deal found 9/13$165
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:05 amMIA - LAS
1 stop9h 29mFrontier
Wed 11/512:59 amLAS - MIA
1 stop26h 20mFrontier
Deal found 9/15$166
This CheapOair deal was found by Cheapflights users on 9/13. 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.
Sat 9/276:45 amMIA - SNA
1 stop8h 11mFrontier
Sat 10/412:58 pmSNA - MIA
1 stop8h 46mFrontier
Deal found 9/13$167

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to California 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 15, 2025.
Use the filters below to find and compare flights from Key Largo to California that are best for you.

Fly from

Key Largo

Fly to

California

Route

Depart

Return

Price

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 10/23

6:00 am-11:50 pm

1 stop20h 50m

Ontario

Sun 10/26

6:53 am-6:19 am

1 stop20h 26m

$163

MiamiReno

MIA - RNO

MIARNO

Miami

Mon 9/29

6:00 am-11:04 am

1 stop8h 04m

Reno

Fri 10/3

11:59 am-12:44 am

1 stop9h 45m

$163

MiamiBurbank

MIA - BUR

MIABUR

Miami

Sun 10/5

6:00 am-11:10 am

1 stop8h 10m

Burbank Bob Hope

Thu 10/16

12:15 pm-6:19 am

1 stop15h 04m

$167

MiamiBurbank

MIA - BUR

MIABUR

Miami

Thu 10/23

6:00 am-11:30 am

1 stop8h 30m

Burbank Bob Hope

Sun 10/26

12:15 pm-6:19 am

1 stop15h 04m

$167

MiamiOntario

MIA - ONT

MIAONT

Miami

Fri 10/3

8:00 am-6:35 pm

1 stop13h 35m

Ontario

Fri 10/10

6:53 am-6:19 am

1 stop20h 26m

$172

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Tue 10/14

3:15 pm-8:00 pm

1 stop7h 45m

Las Vegas Harry Reid Intl

Tue 10/21

11:05 am-10:15 pm

1 stop8h 10m

$193

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 10/15

4:35 pm-10:05 pm

1 stop8h 30m

Las Vegas Harry Reid Intl

Mon 10/20

11:35 pm-2:30 pm

1 stop11h 55m

$198

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 12/3

11:40 am-6:40 pm

2 stops10h 00m

Las Vegas Harry Reid Intl

Sat 12/6

11:40 pm-11:50 am

1 stop9h 10m

$198

MiamiReno

MIA - RNO

MIARNO

Miami

Fri 10/24

6:00 am-11:06 am

1 stop8h 06m

Reno

Sun 10/26

11:51 am-6:19 am

1 stop15h 28m

$200

MiamiBurbank

MIA - BUR

MIABUR

Miami

Fri 10/3

7:23 pm-8:00 am

1 stop15h 37m

Burbank Bob Hope

Fri 10/10

7:36 pm-9:19 am

2 stops10h 43m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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Best time to book a flight from Key Largo to California

Have a flexible travel schedule? Discover the best time to fly to California 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.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to California

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to California (average of $246). Flying from Key Largo to California in March is currently the most expensive (average of $325). 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 CA?

Find hourly flight availability from Key Largo to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Weekly flight availability from Key Largo to California

Explore weekly flight availability from Key Largo to California. 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 15, 2025.

The most flights from KE9 to USCA are scheduled on a Saturday (51 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

How much does it cost to fly round-trip from Key Largo to California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated September 15, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Key Largo to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.8
Fair
3,172 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • How popular is this Key Largo to California flight route?

    Flights from Key Largo to California have been viewed 111 times in the past calendar month.

  • How long is the flight from Key Largo to California?

    Departing from Key Largo to California will take you 7h 45m. Key Largo and California are separated by a distance of 2170 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $82 on Southwest. Other airlines that offer cheap prices include Spirit Airlines from $82 and Frontier from $99 one-way.

  • What are the most popular routes from Key Largo to California?

    When deciding which route to take from Key Largo to California consider Miami - Los Angeles, Miami - Las Vegas Harry Reid Intl or Miami - San Francisco as they are the most popular.

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

    Before booking your flight to California from Key Largo, check out the most reliable airlines to get you to your destination on time: Royal Air Maroc (93%), China Airlines (87%), Delta( 87%).

  • What are the cheapest flights from Key Largo to California?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Miami - Los Angeles) can be booked for $170 on average, our data indicates $1,156 when flying from Key Largo to California.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to California 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 California?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to California (average of $246). Flying from Key Largo to California in March is currently the most expensive (average of $325). 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

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Alternative routes for Key Largo to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Key Largo to California

Discover the top 9 airlines that operate flights from Key Largo to California. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$238FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$91Average$245FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$123Average$320FlexibilityNo cancel feeOn-time62%
DeltaCheapest$124Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$436FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$188Average$392FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$198Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$455FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$237Average$382FlexibilityNo cancel feeOn-time85%

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