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San Juan

$74+ Cheap flights from Miami (MIA) to San Juan

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to San Juan are usually found in October or February, booked 51 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Miami to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to San Juan (PR1). 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 September 16, 2025.

Round-trip from

$145
(Kiwi.com)

One-way from

$74
(eDestinos)

Popular in

August

Cheapest in

October

Average price

$228
From Miami to San Juan
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One-way flight from Miami to San Juan
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Highest demand for flights based on searches. 18% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Miami to San Juan

Cheapest flights from Miami to San Juan
Explore the most affordable flight options available from Miami to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:13 pmMIA - SJU
Nonstop2h 43mFrontier
Sun 10/195:30 amSJU - MIA
Nonstop2h 48mFrontier
Deal found 9/15$145
This Frontier deal was found by Cheapflights users on 9/15. 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.
Mon 10/205:13 pmMIA - SJU
Nonstop2h 43mFrontier
Tue 10/216:22 amSJU - MIA
2 stops12h 23mFrontier
Deal found 9/15$146
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Fri 10/175:13 pmMIA - SJU
Nonstop2h 43mFrontier
Sun 10/195:30 amSJU - MIA
Nonstop2h 48mFrontier
Deal found 9/15$148
This Mytrip deal was found by Cheapflights users on 9/14. 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 9/297:10 amMIA - SJU
Nonstop2h 42mFrontier
Fri 10/37:50 pmSJU - MIA
Nonstop2h 47mFrontier
Deal found 9/14$149
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 10/175:13 pmMIA - SJU
Nonstop2h 43mFrontier
Mon 11/39:30 amSJU - MIA
Nonstop2h 47mFrontier
Deal found 9/15$150
This eDestinos deal was found by Cheapflights users on 9/15. 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.
Sun 10/57:10 amMIA - SJU
Nonstop2h 42mFrontier
Sun 10/195:30 amSJU - MIA
Nonstop2h 48mFrontier
Deal found 9/15$153
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:45 pmMIA - SJU
Nonstop2h 47mFrontier
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 9/15$155
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:18 amMIA - SJU
Nonstop2h 43mFrontier
Mon 10/279:06 pmSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/16$156
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Mon 9/297:10 amMIA - SJU
Nonstop2h 42mFrontier
Thu 10/210:57 amSJU - MIA
Nonstop2h 53mFrontier
Deal found 9/14$157
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Thu 12/118:59 pmMIA - SJU
Nonstop2h 38mFrontier
Thu 12/189:30 pmSJU - MIA
Nonstop3h 00mFrontier
Deal found 9/14$162
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:10 amMIA - SJU
Nonstop2h 42mFrontier
Sun 10/125:30 amSJU - MIA
Nonstop2h 48mFrontier
Deal found 9/16$163

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to San Juan 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 September 16, 2025.
Use the filters below to find and compare flights from Miami to San Juan that are best for you.

Fly from

Miami

Fly to

San Juan

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 10/21

11:45 am-10:45 pm

1 stop11h 00m

San Juan Luis Munoz Marin Intl

Fri 10/24

5:50 am-6:50 pm

1 stop13h 00m

$175

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 10/7

12:44 pm-12:29 am

2 stops11h 45m

San Juan Luis Munoz Marin Intl

Wed 10/8

6:22 am-6:45 pm

2 stops12h 23m

$239

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/15

8:15 am-11:15 pm

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Tue 11/18

8:55 am-8:45 pm

2 stops12h 50m

$281

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 10/1

7:45 am-7:45 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Sat 10/4

5:45 am-8:30 pm

1 stop14h 45m

$281

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 9/25

6:05 am-6:45 pm

2 stops12h 40m

San Juan Luis Munoz Marin Intl

Thu 10/2

5:50 am-6:50 pm

1 stop13h 00m

$326

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 11/25

12:05 pm-1:25 am

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Tue 12/2

8:55 am-8:45 pm

2 stops12h 50m

$332

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mon 12/1

11:30 am-1:25 am

2 stops12h 55m

San Juan Luis Munoz Marin Intl

Mon 12/8

3:55 pm-9:50 pm

1 stop6h 55m

$340

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 11/28

5:25 pm-12:35 am

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Sun 12/7

7:40 am-11:50 am

1 stop5h 10m

$340

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 10/7

7:55 am-8:45 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 10/8

5:05 am-12:15 pm

1 stop7h 10m

$348

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 11/12

1:30 pm-11:20 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Tue 11/25

6:35 am-6:00 pm

1 stop12h 25m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
1
2
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Best time to book a flight from Miami to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Miami 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 Miami to San Juan

How far ahead should I book a flight from Miami to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Miami to San Juan. Price data was last updated on September 12, 2025.

The best time to book flights from Miami to San Juan is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Miami to San Juan?

Currently, September is the cheapest month in which you can book a flight from Miami to San Juan (average of $254). Flying from Miami to San Juan in June is currently the most expensive (average of $339). 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 MIA to SJU?

Find hourly flight availability from Miami to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Miami to San Juan by exploring options for tickets in the evening.

What is the cheapest day to fly from Miami to San Juan?

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

Travelers seeking maximum savings on their Miami to San Juan flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Miami to San Juan

Explore weekly flight availability from Miami to San Juan. 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 September 16, 2025.

The most flights from MIA to PR1 are scheduled on a Monday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Southwest, American Airlines, and JetBlue from Miami to San Juan. 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.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Miami to San Juan. 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 Miami to San Juan?

    Located just 6.1 mi from the city center, Miami is the airport most travelers will use when flying to San Juan from Miami. Booking flights from Miami (MIA) to San Juan should be relatively easy as there are 15 daily outbound flights to San Juan from 5 different airlines.

  • How long is the flight from Miami to San Juan?

    For as low as $175, Southwest can have you in San Juan from Miami in 11h. Airlines will cover a distance of 1044 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Miami to San Juan round-trip?

    Our cheapest airline available from Miami to San Juan is Frontier. Our recent data shows that you can find tickets from as low as $80 on this airline. Additional options worth looking into are Spirit Airlines and JetBlue, starting at $80 and $99 round-trip. Frontier is currently priced 61% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Miami to San Juan?

    No one likes to see their flight delayed. When booking a flight from Miami to San Juan consider choosing Atlas Air (92%), British Airways (71%) or Iberia (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Miami to San Juan?

    Looking at all options, your cheapest flight can be booked for $65. While the most popular route (Miami - San Juan Luis Munoz Marin Intl) can be booked for $122 on average, our data indicates $317 when flying from Miami to San Juan.

  • Can I find deals for flights from Miami to San Juan that include hotel bookings?

    Yes. In addition to deals on Miami to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to San Juan?

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

  • Can I find deals for business class flights from Miami to San Juan?

    Yes. Cheapflights offers flight deals from Miami to San Juan 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 Miami to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Miami to San Juan (average of $254). Flying from Miami to San Juan in June is currently the most expensive (average of $339). 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 Miami to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Miami to San Juan

Discover the top 5 airlines that operate flights from Miami to San Juan. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$80Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$80Average$187FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$99Average$310FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$189Average$333FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$207Average$378FlexibilityNo cancel feeOn-time71%

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