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Cheap flights from San Diego (SAN) to Key Largo, FL from $68

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — MIA
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from San Diego to Key Largo are usually found in September or August, booked 63 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 June 6, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$211

One-way from

$121
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From San Diego to Key Largo
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One-way flight from San Diego to Key Largo
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How far in advance should I book a flight from San Diego to Key Largo?

To save on the cost of your flight from San Diego to Key Largo, book at least 49 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $421 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $541.

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

The best pricing can be found in the month of September. Prices to Key Largo from San Diego average $392. You can even find prices in September for less than $392, as users have found deals to Key Largo from as low as $178. The month of June appears to be one of the more expensive times to travel to Key Largo from San Diego. Flying in the targeted month can save you up to 27%.

What is the cheapest time of day to fly from SAN to KE9?

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.

Cheap San Diego to Key Largo flights in June & July 2024

Find cheap flight options from San Diego to Key Largo specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from San Diego to Key Largo in 2024. Check back regularly for other flight deals.
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Tue 7/25:15 amMIA - SAN
3 stops33h 57mSpirit Airlines
Deal found 6/6$188
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Thu 6/2710:52 pmMIA - SAN
1 stop11h 40mSpirit Airlines
Deal found 6/5$190
Tue 7/168:34 amSAN - MIA
1 stop24h 06mSpirit Airlines
Tue 7/231:50 pmMIA - SAN
1 stop20h 47mSpirit Airlines
Deal found 6/6$194
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Fri 6/289:24 pmMIA - SAN
1 stop16h 01mSpirit Airlines
Deal found 6/5$195
Tue 6/258:29 amSAN - MIA
1 stop26h 23mSpirit Airlines
Thu 6/2710:52 pmMIA - SAN
1 stop11h 40mSpirit Airlines
Deal found 6/5$200
Wed 6/198:01 amSAN - MIA
1 stop13h 59mFrontier
Wed 6/267:30 amMIA - SAN
1 stop9h 30mFrontier
Deal found 6/5$202
Fri 7/51:34 pmSAN - MIA
1 stop8h 29mMultiple Airlines
Tue 7/96:00 pmMIA - SAN
1 stop8h 55mMultiple Airlines
Deal found 6/4$205
Tue 6/258:29 amSAN - MIA
1 stop23h 49mSpirit Airlines
Fri 6/289:24 pmMIA - SAN
1 stop16h 01mSpirit Airlines
Deal found 6/5$206
Sat 6/2911:15 amSAN - MIA
1 stop23h 04mSpirit Airlines
Tue 7/96:00 pmMIA - SAN
1 stop18h 39mSpirit Airlines
Deal found 6/4$208

San Diego to Key Largo 2024 flight deals

Discover exclusive flight deals for travel between San Diego and Key Largo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from San Diego to Key Largo in 2024. Check back regularly for other flight deals.
Wed 8/217:24 amSAN - MIA
1 stop14h 17mFrontier
Wed 8/283:21 pmMIA - SAN
1 stop8h 19mFrontier
Deal found 6/5$173
Sat 9/288:36 amSAN - MIA
1 stop10h 48mFrontier
Wed 10/23:21 pmMIA - SAN
1 stop8h 19mFrontier
Deal found 6/4$180
Thu 8/157:24 amSAN - MIA
1 stop14h 17mFrontier
Mon 8/195:16 amMIA - SAN
1 stop11h 51mFrontier
Deal found 6/4$182
Wed 9/1112:45 pmSAN - MIA
2 stops9h 47mSpirit Airlines
Sat 9/149:40 amMIA - SAN
2 stops26h 08mSpirit Airlines
Deal found 6/5$185
Wed 8/2110:04 pmSAN - MIA
Nonstop5h 07mAmerican Airlines
Sat 8/247:30 pmMIA - SAN
Nonstop5h 06mAmerican Airlines
Deal found 6/4$187
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Tue 7/25:15 amMIA - SAN
3 stops33h 57mSpirit Airlines
Deal found 6/6$188
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Thu 6/2710:52 pmMIA - SAN
1 stop11h 40mSpirit Airlines
Deal found 6/5$190
Wed 9/1112:45 pmSAN - MIA
2 stops9h 47mSpirit Airlines
Sat 9/148:00 amMIA - SAN
3 stops31h 15mSpirit Airlines
Deal found 6/5$193
Tue 7/168:34 amSAN - MIA
1 stop24h 06mSpirit Airlines
Tue 7/231:50 pmMIA - SAN
1 stop20h 47mSpirit Airlines
Deal found 6/6$194

San Diego to Key Largo flights leaving soon

Find last-minute flight options from San Diego to Key Largo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Consider one of these great deals we found on last-minute flights from San Diego to Key Largo. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 6/155:55 pmSAN - MIA
1 stop8h 58mFrontier
Thu 6/207:30 amMIA - SAN
1 stop26h 31mFrontier
Deal found 6/6$245
Fri 6/141:57 pmSAN - MIA
1 stop8h 03mMultiple Airlines
Mon 6/179:24 pmMIA - SAN
1 stop13h 00mMultiple Airlines
Deal found 6/4$250
Sat 6/155:55 pmSAN - MIA
1 stop8h 58mMultiple Airlines
Tue 6/186:00 pmMIA - SAN
1 stop8h 55mMultiple Airlines
Deal found 6/6$254
Thu 6/138:01 amSAN - MIA
1 stop13h 59mMultiple Airlines
Mon 6/179:24 pmMIA - SAN
1 stop13h 00mMultiple Airlines
Deal found 6/4$255
Thu 6/132:56 pmSAN - MIA
2 stops27h 26mSpirit Airlines
Mon 6/179:24 pmMIA - SAN
1 stop13h 00mSpirit Airlines
Deal found 6/4$259
Thu 6/132:56 pmSAN - MIA
2 stops31h 04mMultiple Airlines
Mon 6/179:24 pmMIA - SAN
1 stop13h 00mMultiple Airlines
Deal found 6/4$260
Sun 6/168:01 amSAN - MIA
1 stop18h 52mFrontier
Tue 6/183:17 pmMIA - SAN
1 stop18h 44mFrontier
Deal found 6/6$262
Tue 6/1110:18 amSAN - MIA
1 stop11h 42mMultiple Airlines
Wed 6/125:15 amMIA - SAN
1 stop9h 57mMultiple Airlines
Deal found 6/4$263
Thu 6/138:01 amSAN - MIA
1 stop18h 52mFrontier
Thu 6/207:30 amMIA - SAN
1 stop26h 31mFrontier
Deal found 6/5$267

One-way flights to Key Largo from San Diego

Search for one-way flight options from San Diego to Key Largo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
If you're seeking multiple options on one-way flights from San Diego to Key Largo, be sure to check out these deals, which are updated often. For those needing a return trip from San Diego, there is a search form available above.
Tue 6/258:29 amSAN - MIA
2 stops35h 17mSpirit Airlines
Deal found 6/4$68
Wed 8/2811:55 amSAN - MIA
1 stop8h 49mSpirit Airlines
Deal found 6/5$79
Tue 7/168:34 amSAN - MIA
2 stops35h 18mSpirit Airlines
Deal found 6/5$81
Wed 6/268:14 amSAN - MIA
2 stops11h 32mSpirit Airlines
Deal found 6/5$87
Tue 7/97:44 pmSAN - MIA
3 stops24h 08mSpirit Airlines
Deal found 6/5$90
Mon 9/98:58 pmSAN - MIA
2 stops25h 34mSpirit Airlines
Deal found 6/5$91
Tue 6/258:29 amSAN - MIA
1 stop23h 49mSpirit Airlines
Deal found 6/4$92
Sun 9/297:24 amSAN - MIA
1 stop14h 17mFrontier
Deal found 6/5$93
Tue 6/256:37 pmSAN - MIA
3 stops25h 09mSpirit Airlines
Deal found 6/4$94

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$173 - $256

Route

Depart

Return

Price

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 8/21

1 stop14h 17m

Miami

Wed 8/28

1 stop8h 19m

$173

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Sat 9/28

1 stop10h 48m

Miami

Wed 10/2

1 stop8h 19m

$180

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Thu 8/15

1 stop14h 17m

Miami

Mon 8/19

1 stop11h 51m

$182

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 9/11

2 stops9h 47m

Miami

Sat 9/14

2 stops26h 08m

$185

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 8/21

Nonstop5h 07m

Miami

Sat 8/24

Nonstop5h 06m

$187

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Tue 6/25

2 stops35h 17m

Miami

Tue 7/2

3 stops33h 57m

$188

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Fri 7/5

1 stop8h 29m

Miami

Tue 7/9

1 stop8h 55m

$205

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Wed 9/11

1 stop11h 13m

Miami

Mon 9/16

1 stop9h 40m

$238

San DiegoMiami

SAN - MIA

SANMIA

San Diego

Tue 7/30

1 stop8h 13m

Miami

Wed 8/7

1 stop8h 19m

$256

Flights are sorted by cheapest first

Deals found on 6/5

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 May 31, 2024.
Booking 63 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.
Search Deals

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 June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
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.
Search Deals

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.

Temperature and rainfall in Key Largo by month

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

MIA

Temperature

68 - 84.2 °F

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 June 6, 2024.
To help decide which airline to fly from San Diego to Key Largo, see what other customers have to say about American Airlines, United Airlines and Frontier. 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.
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Spirit Airlines
6.4
Okay
8,567 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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. 7 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 2 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 Frontier for just $173, but on average you can expect to pay $194.

  • Are there nonstop flights from San Diego to Key Largo for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from San Diego to Key Largo under $200. A good price for a nonstop flight from San Diego to Key Largo is less than $364.

  • Are there last-minute flights available from San Diego to Key Largo for under $300?

    There are currently 20+ open flights from San Diego to Key Largo within the next 7 days for less than $300.

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

    The San Diego to Key Largo flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $68. Frontier flights start at $93 while deals on United Airlines start at $119 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 (96%), Royal Air Maroc (93%), Alaska Airlines( 91%).

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

    The cheapest flight price from San Diego to Key Largo is $121. On average you can expect to pay $1,018. The most popular route, (San Diego - Miami), can usually be booked for $168.

  • 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) 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 6/6.

  • What are the most popular airlines that fly from San Diego to Key Largo?

    American Airlines, Alaska Airlines and JetBlue are the most popular airlines when flying from San Diego to Key Largo.

  • 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 $211). Flying from San Diego 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.

See more FAQs

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Top 7 airlines flying from San Diego to Key Largo

Discover the top 7 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$108Average$403FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$113Average$539FlexibilityNo cancel feeOn-time75%
FrontierCheapest$116Average$281FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$117Average$261FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$256FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$399FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$208Average$492FlexibilityNo cancel feeOn-time71%
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Search flights from San Diego to Key Largo by cabin class

Find flights from San Diego to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
Economy Class

Hourly flight availability from San Diego to Key Largo

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 June 6, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 June 6, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

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