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Key Largo

$92+ Cheap flights from San Jose (SJC) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — MIA
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Key Largo are usually found in September or August, booked 29 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from San Jose to Key Largo

Keep the following information in mind while searching for San Jose to Key Largo flight deals. Data was last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Mytrip)

One-way from

$92
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$364
Provider with most accurate pricing for San Jose-Miami flight deals.
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Provider most trusted by Cheapflights users for San Jose-Miami flights.
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From San Jose to Key Largo
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One-way flight from San Jose to Key Largo
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Jose to Key Largo

Cheapest flights from San Jose to Key Largo
Explore the most affordable flight options available from San Jose to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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.
Thu 4/1711:07 amSJC - MIA
1 stop23h 26mSpirit Airlines
Tue 4/2210:51 pmMIA - SJC
1 stop14h 21mSpirit Airlines
Deal found 3/24$191
This Delta deal was found by Cheapflights users on 3/24. 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.
Mon 5/197:00 amSJC - MIA
1 stop7h 55mDelta
Thu 5/227:40 amMIA - SJC
1 stop8h 17mDelta
Deal found 3/24$297
This Frontier deal was found by Cheapflights users on 3/23. 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.
Sat 4/52:40 pmSJC - MIA
1 stop11h 19mFrontier
Fri 4/116:25 amMIA - SJC
1 stop11h 34mFrontier
Deal found 3/23$298
This CheapOair deal was found by Cheapflights users on 3/24. 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 4/43:49 pmSJC - MIA
1 stop10h 32mMultiple Airlines
Mon 4/75:07 pmMIA - SJC
2 stops19h 46mMultiple Airlines
Deal found 3/24$370
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 5/78:30 amSJC - MIA
1 stop8h 31mUnited Airlines
Wed 5/143:28 pmMIA - SJC
1 stop8h 57mUnited Airlines
Deal found 3/24$397

Cheapflights Fare Finder

Customize your flight search to find flights from San Jose 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 March 25, 2025.
Use the filters below to find and compare flights from San Jose to Key Largo that are best for you.

Fly from

San Jose

Fly to

Key Largo

Route

Depart

Return

Price

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Thu 4/17

11:07 am-1:33 pm

1 stop23h 26m

Miami

Tue 4/22

10:51 pm-10:12 am

1 stop14h 21m

$191

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Mon 5/19

7:00 am-5:55 pm

1 stop7h 55m

Miami

Thu 5/22

7:40 am-12:57 pm

1 stop8h 17m

$297

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Sat 4/5

2:40 pm-4:59 am

1 stop11h 19m

Miami

Fri 4/11

6:25 am-2:59 pm

1 stop11h 34m

$298

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Fri 5/2

2:04 pm-8:13 am

2 stops15h 09m

Miami

Sun 5/4

6:00 am-11:20 am

1 stop8h 20m

$360

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Wed 5/7

8:30 am-8:01 pm

1 stop8h 31m

Miami

Wed 5/14

3:28 pm-9:25 pm

1 stop8h 57m

$397

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Sat 4/26

5:56 pm-5:01 pm

1 stop20h 05m

Miami

Tue 4/29

6:01 pm-1:11 pm

2 stops22h 10m

$458

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Tue 4/29

7:54 pm-6:17 am

1 stop7h 23m

$92

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Wed 4/30

6:15 am-6:01 pm

1 stop8h 46m

$149

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Mon 3/31

4:03 pm-4:08 am

1 stop9h 05m

$150

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Sat 5/24

2:15 pm-12:38 am

1 stop7h 23m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 13 results
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Best time to book a flight from San Jose to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Key Largo. Price data was last updated on March 21, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose 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 Jose to Key Largo?

Currently, September is the cheapest month in which you can book a flight from San Jose to Key Largo (average of $229). Flying from San Jose 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 SJC to KE9?

Find hourly flight availability from San Jose 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 March 25, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from San Jose to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Jose to Key Largo flight should consider departing on Monday 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 March 25, 2025.
To help decide which airline to fly from San Jose to Key Largo, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

    Located just 2.9 mi from the city center, San Jose is the airport most travelers will use when flying to Key Largo from San Jose. Booking flights from San Jose (SJC) to Key Largo should be relatively easy as there are 0 daily outbound flights to Key Largo from 8 different airlines.

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

    One-way options have recently been found by users for as low as $92 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $149 and Frontier from $150 one-way.

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

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

  • How can I find direct flights from San Jose 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 Jose to Key Largo.

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

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

    Currently, September is the cheapest month in which you can book a flight from San Jose to Key Largo (average of $229). Flying from San Jose 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 8 airlines flying from San Jose to Key Largo

Discover the top 8 airlines that operate flights from San Jose 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$146Average$198FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$332FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$168Average$385FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$518FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$245Average$659FlexibilityNo cancel feeOn-time75%
DeltaCheapest$247Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$289Average$467FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$561FlexibilityNo cancel feeOn-time63%
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