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$45+ Cheap flights from Key Largo, FL to Puerto Rico

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.
MIA — SJU
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Key Largo to Puerto Rico

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Puerto Rico (PR0). 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 21, 2024.

Find flight deals from Key Largo to Puerto Rico

Cheapest flights from Key Largo to Puerto Rico
Explore the most affordable flight options available from Key Largo to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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.
Tue 12/108:28 pmMIA - SJU
Nonstop2h 39mFrontier
Tue 12/178:41 amSJU - MIA
Nonstop2h 57mFrontier
Deal found 11/21$83
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Tue 12/102:15 pmMIA - SJU
Nonstop2h 28mMultiple Airlines
Tue 12/178:10 pmSJU - MIA
Nonstop2h 57mMultiple Airlines
Deal found 11/20$84
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/72:15 pmMIA - SJU
Nonstop2h 28mSpirit Airlines
Sat 12/146:40 pmSJU - MIA
Nonstop2h 53mSpirit Airlines
Deal found 11/19$85
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Wed 12/116:20 amMIA - MAZ
3 stops25h 54mMultiple Airlines
Sun 12/159:36 amMAZ - MIA
1 stop11h 57mMultiple Airlines
Deal found 11/20$408
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/53:23 pmMIA - CPX
2 stops15h 36mMultiple Airlines
Mon 12/910:13 amCPX - MIA
1 stop11h 20mMultiple Airlines
Deal found 11/20$417
This United Airlines deal was found by Cheapflights users on 11/21. 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 12/41:55 pmMIA - BQN
1 stop9h 02mUnited Airlines
Fri 12/61:09 amBQN - MIA
1 stop9h 03mUnited Airlines
Deal found 11/21$444
This JetBlue deal was found by Cheapflights users on 11/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:45 pmMIA - BQN
1 stop11h 24mJetBlue
Tue 12/105:01 amBQN - MIA
1 stop11h 36mJetBlue
Deal found 11/20$501
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/79:10 amMIA - VQS
2 stops31h 50mUnited Airlines
Sat 12/142:45 pmVQS - MIA
2 stops30h 46mUnited Airlines
Deal found 11/20$4,933

Find flights from Key Largo to Puerto Rico within your budget

Customize your flight search to find flights from Key Largo to Puerto Rico 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 12/7

2:15 pm-5:43 pm

Nonstop2h 28m

San Juan Luis Munoz Marin Intl

Sat 12/14

6:40 pm-8:33 pm

Nonstop2h 53m

$85

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 12/7

6:00 am-9:39 am

Nonstop2h 39m

San Juan Luis Munoz Marin Intl

Sat 12/7

7:14 pm-9:12 pm

Nonstop2h 58m

$89

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/10

2:15 pm-5:43 pm

Nonstop2h 28m

San Juan Luis Munoz Marin Intl

Mon 12/16

12:59 am-12:09 pm

1 stop12h 10m

$100

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Wed 12/4

1:55 pm-11:57 pm

1 stop9h 02m

Aguadilla Borinquen

Fri 12/6

1:09 am-9:12 am

1 stop9h 03m

$444

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Wed 12/4

4:30 pm-1:09 am

1 stop7h 39m

Aguadilla Borinquen

Sat 12/7

5:01 am-3:37 pm

1 stop11h 36m

$569

MiamiVieques

MIA - VQS

MIAVQS

Miami

Sat 12/7

9:10 am-6:00 pm

2 stops31h 50m

Vieques

Sat 12/14

2:45 pm-8:31 pm

2 stops30h 46m

$4,933

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/10

8:28 pm-12:07 am

Nonstop2h 39m

$45

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 1/10

1:53 pm-5:29 pm

Nonstop2h 36m

$56

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 1/21

1:55 pm-5:30 pm

Nonstop2h 35m

$75

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 12/11

6:00 am-5:15 pm

1 stop10h 15m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 15 results
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Best time to book a flight from Key Largo to Puerto Rico

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

Travel insights for flights from Key Largo to Puerto Rico

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

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

Currently, September is the cheapest month in which you can book a flight from Key Largo to Puerto Rico (average of $254). Flying from Key Largo to Puerto Rico in March is currently the most expensive (average of $335). 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 PR?

Find hourly flight availability from Key Largo to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Key Largo to Puerto Rico, 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 Puerto Rico

Explore weekly flight availability from Key Largo to Puerto Rico. 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 21, 2024.

The most flights from KE9 to PR0 are scheduled on a Thursday (24 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and United Airlines from Key Largo to Puerto Rico to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,389 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $45. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Key Largo to Puerto Rico for a low price.

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

    Most travelers choose Miami - San Juan Luis Munoz Marin Intl, Miami - Aguadilla Borinquen or Miami - Vieques when deciding on the best route from Key Largo to Puerto Rico.

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

    Consider American Airlines (86%), British Airways (86%) or Frontier (86%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Puerto Rico.

  • What are the cheapest flights from Key Largo to Puerto Rico?

    The cheapest flight price from Key Largo to Puerto Rico is $45. On average you can expect to pay $407. The most popular route, (Miami - San Juan Luis Munoz Marin Intl), can usually be booked for $84.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Puerto Rico 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 Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to Puerto Rico (average of $254). Flying from Key Largo to Puerto Rico in March is currently the most expensive (average of $335). 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 Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Key Largo to Puerto Rico

Discover the top 7 airlines that operate flights from Key Largo to Puerto Rico. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$139FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$75Average$182FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$101Average$286FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$155Average$281FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$203Average$406FlexibilityNo cancel feeOn-time71%
DeltaCheapest$302Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$341Average$729FlexibilityNo cancel feeOn-time69%
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