Key Largo

$143+ Cheap flights from San Diego (SAN) 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MIA
Nov 25 — Dec 21
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The best prices from San Diego to Key Largo are usually found in January or September, booked 46 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from San Diego to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Key Largo (KE9). 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 November 20, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$258
(Mytrip)

One-way from

$143
(Cheapflightsfares)
High demand for flights, 15% potential price rise
Best time to find cheap flights, 21% potential price drop
From San Diego to Key Largo
One-way flight from San Diego to Key Largo

Find flight deals from San Diego to Key Largo

Cheapest flights from San Diego to Key Largo
Explore the most affordable flight options available from San Diego to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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.
Mon 12/161:05 pmSAN - MIA
2 stops14h 52mSpirit Airlines
Mon 12/3010:20 pmMIA - SAN
2 stops18h 07mSpirit Airlines
Deal found 11/19$260
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Mon 11/255:24 pmSAN - MIA
1 stop22h 50mMultiple Airlines
Wed 11/276:15 amMIA - SAN
1 stop20h 41mMultiple Airlines
Deal found 11/19$275
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/196:50 amSAN - MIA
Nonstop4h 47mAmerican Airlines
Tue 11/268:06 pmMIA - SAN
Nonstop5h 52mAmerican Airlines
Deal found 11/18$328
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/1710:03 amSAN - MIA
1 stop8h 55mUnited Airlines
Tue 12/3111:25 amMIA - SAN
1 stop10h 29mUnited Airlines
Deal found 11/18$401
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:40 amSAN - MIA
Nonstop4h 51mAlaska Airlines
Tue 12/246:20 pmMIA - SAN
Nonstop5h 48mAlaska Airlines
Deal found 11/18$407
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/195:14 pmSAN - MIA
1 stop9h 44mDelta
Sat 11/234:41 pmMIA - SAN
1 stop10h 44mDelta
Deal found 11/18$408
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/229:25 amSAN - MIA
2 stops10h 05mSouthwest
Sat 12/75:45 amMIA - SAN
1 stop9h 10mSouthwest
Deal found 11/19$443

Find flights from San Diego to Key Largo within your budget

Customize your flight search to find flights from San Diego 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 1/6

2:22 pm-7:29 am

3 stops14h 07m

Miami

Wed 1/15

10:00 am-11:52 pm

2 stops16h 52m

$258

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 1/6

6:25 am-5:00 am

1 stop19h 35m

Miami

Wed 1/15

8:00 am-11:49 pm

1 stop18h 49m

$259

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 11/25

5:24 pm-7:14 pm

1 stop22h 50m

Miami

Wed 11/27

6:15 am-11:56 pm

1 stop20h 41m

$275

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sat 1/11

10:30 pm-6:12 am

Nonstop4h 42m

Miami

Tue 1/14

4:31 pm-7:22 pm

Nonstop5h 51m

$312

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 11/25

12:50 pm-10:43 pm

1 stop6h 53m

Miami

Thu 11/28

6:00 am-12:51 pm

1 stop9h 51m

$362

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 2/10

8:00 am-6:15 pm

1 stop31h 15m

Miami

Mon 2/17

7:52 pm-1:00 pm

1 stop20h 08m

$388

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Tue 12/17

10:03 am-9:58 pm

1 stop8h 55m

Miami

Tue 12/31

11:25 am-6:54 pm

1 stop10h 29m

$401

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Thu 1/23

6:40 am-8:50 pm

2 stops11h 10m

Miami

Wed 1/29

8:25 am-3:55 pm

2 stops10h 30m

$411

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Tue 12/3

1:48 pm-12:16 am

1 stop7h 28m

$143

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sun 1/5

7:16 pm-7:29 am

1 stop9h 13m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
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Best time to book a flight from San Diego to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from San Diego 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 San Diego to Key Largo

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

How far ahead should I book a flight from San Diego to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Key Largo. Price data was last updated on November 15, 2024.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from San Diego to Key Largo (average of $218). Flying from San Diego to Key Largo in March is currently the most expensive (average of $286). 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 SAN to KE9?

Find hourly flight availability from San Diego 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 20, 2024.

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

What is the cheapest day to fly from San Diego to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Key Largo. Price data was last updated on November 18, 2024.

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

Weekly flight availability from San Diego to Key Largo

Explore weekly flight availability from San Diego 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 November 20, 2024.

The most flights from SAN to KE9 are scheduled on a Tuesday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

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.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

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).

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 20, 2024.
To help decide which airline to fly from San Diego to Key Largo, see what other customers have to say about American Airlines, Alaska Airlines and United Airlines. 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.
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
9,461 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 San Diego to Key Largo?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Key Largo. 8 airlines have flights from San Diego to Key Largo on a regular basis. Booking flights from San Diego to Key Largo should not be difficult; the airport handles an average of 5 outbound flights to Key Largo per day.

  • How popular is this San Diego to Key Largo flight route?

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $143. Spirit Airlines flights start at $146 while deals on American Airlines start at $149 one-way.

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

    Before booking your flight to Key Largo from San Diego, check out the most reliable airlines to get you to your destination on time: Qatar Airways (100%), Royal Air Maroc (100%), GOL( 97%).

  • What are the cheapest flights from San Diego to Key Largo?

    The cheapest flight price from San Diego to Key Largo is $191. On average you can expect to pay $1,165. The most popular route, (San Diego - Miami), can usually be booked for $143.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Key Largo (average of $218). Flying from San Diego to Key Largo in March is currently the most expensive (average of $286). 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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Alternative routes for San Diego to Key Largo

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

Top 8 airlines flying from San Diego to Key Largo

Discover the top 8 airlines that operate flights from San Diego 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$240FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$99Average$343FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$119Average$485FlexibilityNo cancel feeOn-time75%
DeltaCheapest$128Average$394FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$148Average$248FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$291Average$499FlexibilityNo cancel feeOn-time63%
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