Key Largo

$54+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MIA
Nov 10 — Nov 171
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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 Thursday

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 5, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$104
(FareScan)

One-way from

$54
(Cheapflightsfares)
High demand for flights, 16% potential price rise
Best time to find cheap flights, 20% 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 5, 2024.

This FlightHub deal was found by Cheapflights users on 11/3. 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.
Wed 11/1312:41 pmSAN - MIA
1 stop24h 29mFrontier
Sun 11/171:04 pmMIA - SAN
1 stop13h 52mFrontier
Deal found 11/3$258
This FareScan deal was found by Cheapflights users on 11/4. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/159:01 amSAN - MIA
1 stop24h 59mSpirit Airlines
Sat 11/2310:54 pmMIA - SAN
1 stop10h 46mSpirit Airlines
Deal found 11/4$260
This Delta deal was found by Cheapflights users on 11/4. 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.
Sun 11/2410:10 pmSAN - MIA
1 stop9h 22mDelta
Thu 11/2810:14 amMIA - SAN
1 stop8h 05mDelta
Deal found 11/4$276
This eDestinos deal was found by Cheapflights users on 11/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/159:01 amSAN - MIA
2 stops33h 42mMultiple Airlines
Fri 11/229:20 pmMIA - SAN
1 stop20h 44mMultiple Airlines
Deal found 11/4$284
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/2510:15 pmSAN - MIA
Nonstop4h 45mAmerican Airlines
Thu 11/288:06 pmMIA - SAN
Nonstop5h 52mAmerican Airlines
Deal found 11/4$298
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/187:45 pmSAN - MIA
1 stop8h 47mUnited Airlines
Mon 11/2510:18 amMIA - SAN
2 stops15h 09mUnited Airlines
Deal found 11/4$316

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 2,554,862 searches. Data last updated November 5, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Mon 11/25

7:10 pm-5:58 am

1 stop7h 48m

$138

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Fri 11/15

11:36 am-1:00 pm

1 stop22h 24m

$140

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sat 11/16

6:25 am-5:07 pm

1 stop7h 42m

$143

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 11/13

6:57 pm-10:07 pm

2 stops24h 10m

$153

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 11/20

10:15 pm-6:00 am

Nonstop4h 45m

$163

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sun 11/24

4:54 pm-2:43 pm

3 stops18h 49m

$170

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 4/9

5:15 pm-11:22 am

1 stop15h 07m

$173

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sun 5/4

11:58 pm-7:50 am

Nonstop4h 52m

$209

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Fri 5/2

9:40 pm-1:05 pm

1 stop12h 25m

$218

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Thu 3/6

6:35 am-6:35 pm

1 stop9h 00m

$250

Flights are sorted by cheapest first

Deals found on 11/5

Showing 1-10 of 18 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 1, 2024.

Booking 46 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 $287). 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 5, 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 3, 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.

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 5, 2024.
To help decide which airline to fly from San Diego to Key Largo, see what other customers have to say about Spirit Airlines, Frontier and American 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
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

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
5,082 reviews
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

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
9,421 reviews
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

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
8,830 reviews
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

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

7.5
Good
3,486 reviews
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

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
9,215 reviews
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

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 0 outbound flights to Key Largo per day.

  • Can I find flights from San Diego to Key Largo for under $200 on Cheapflights?

    Yes, there are multiple flights from San Diego to Key Largo for under $200. The cheapest flight booked recently is on Spirit Airlines for just $104, but on average you can expect to pay $203.

  • Are there nonstop flights from San Diego to Key Largo for under $300 on Cheapflights?

    Cheapflights has at least 2 direct flights from San Diego to Key Largo under $300. A good price for a nonstop flight from San Diego to Key Largo is less than $355.

  • Are there last-minute flights available from San Diego to Key Largo for under $200?

    There are currently 7+ open flights from San Diego to Key Largo within the next 7 days for less than $200.

  • What days are nonstop flights available from San Diego to Key Largo?

    Nonstop flights are available for this route on the following days: Tuesday.

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

  • How many flights depart from San Diego to Key Largo on average per day?

    Travelers can expect 1 flight from San Diego to Key Largo on average per day.
    Early Morning (Midnight to 6am) - 100% of flight departures

  • How long is the flight from San Diego to Key Largo?

    Spirit Airlines, Frontier, and Delta can get you from San Diego to Key Largo in just under 9h 22m. Your travel time can differ by up to 15h 09m. The distance between San Diego and Key Largo is about 2275 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $54. Frontier flights start at $63 while deals on American Airlines start at $129 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: GOL (94%), American Airlines (90%), Alaska Airlines( 71%).

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

    The cheapest flight price from San Diego to Key Largo is $148. On average you can expect to pay $683. The most popular route, (San Diego - Miami), can usually be booked for $101.

  • What does SAN to MIA mean?

    SAN and MIA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SAN to MIA refers to a flight route from San Diego Airport to Miami Airport. Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE), Boca Raton Airport (BCT) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from San Diego to Key Largo that include extra baggage allowance?

    The amount of baggage you can bring on your San Diego to Key Largo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Diego to Key Largo with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Diego to Key Largo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from San Diego to Key Largo that allow pets onboard?

    Many airlines flying from San Diego to Key Largo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Diego to Key Largo?

    Yes, you can often find last-minute deals on San Diego to Key Largo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Diego to Key Largo flight deals updated?

    The San Diego to Key Largo flight deals you see on this page were last updated on 11/4.

  • 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 $287). 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 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 2,554,862 searches. Data last updated November 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$252FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$118Average$329FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$119Average$482FlexibilityNo cancel feeOn-time75%
DeltaCheapest$128Average$400FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$148Average$251FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$446FlexibilityNo cancel feeOn-time63%
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