HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$81+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJU
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Miami to San Juan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Miami to San Juan are usually found in February or January, booked 51 days in advance, depart on a Monday or Tuesday and return on a Friday

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 October 23, 2025.

This Frontier deal was found by Cheapflights users on 10/23. 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.
Fri 10/311:27 pmMIA - SJU
Nonstop2h 43mFrontier
Sun 11/29:45 amSJU - MIA
Nonstop2h 47mFrontier
Deal found 10/23$152
This Frontier deal was found by Cheapflights users on 10/22. 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.
Wed 12/3111:05 pmMIA - SJU
Nonstop2h 34mFrontier
Fri 1/96:59 pmSJU - MIA
Nonstop3h 01mFrontier
Deal found 10/22$153
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amMIA - SJU
Nonstop2h 37mFrontier
Wed 12/173:54 amSJU - MIA
Nonstop3h 06mFrontier
Deal found 10/21$154
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:44 pmMIA - SJU
Nonstop2h 37mMultiple Airlines
Thu 12/410:42 amSJU - MIA
Nonstop3h 00mMultiple Airlines
Deal found 10/23$155
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:45 pmMIA - SJU
Nonstop2h 47mFrontier
Mon 11/247:11 amSJU - MIA
2 stops17h 29mFrontier
Deal found 10/21$161
This CheapOair deal was found by Cheapflights users on 10/22. 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.
Thu 10/3010:45 pmMIA - SJU
Nonstop2h 47mFrontier
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 10/22$162
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/1712:27 pmMIA - SJU
Nonstop2h 43mFrontier
Fri 11/215:19 pmSJU - MIA
2 stops31h 21mFrontier
Deal found 10/22$165
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:45 pmMIA - SJU
Nonstop2h 47mFrontier
Wed 11/126:17 pmSJU - MIA
1 stop15h 55mFrontier
Deal found 10/20$166
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:27 pmMIA - SJU
Nonstop2h 43mFrontier
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 10/21$167
This Frontier deal was found by Cheapflights users on 10/22. 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.
Thu 12/116:00 amMIA - SJU
Nonstop2h 37mFrontier
Wed 12/173:54 amSJU - MIA
Nonstop3h 06mFrontier
Deal found 10/22$168
This Priceline deal was found by Cheapflights users on 10/22. 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.
Mon 12/156:00 amMIA - SJU
Nonstop2h 37mFrontier
Thu 12/189:49 amSJU - MIA
Nonstop3h 00mFrontier
Deal found 10/22$169

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 October 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$150
(Kiwi.com)

One-way from

$81
(CheapOair)

Popular in

September

Cheapest in

February

Average price

$200
Provider with most accurate pricing for Miami-San Juan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-San Juan flights.
Search Deals
From Miami to San Juan
Search Deals
One-way flight from Miami to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 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

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 12/11

11:20 am-9:50 pm

1 stop11h 30m

$175

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 12/5

4:55 pm-12:35 am

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:40 am-4:10 pm

1 stop10h 30m

$234

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/8

11:55 am-11:00 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:15 am-4:15 pm

1 stop11h 00m

$234

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 11/14

6:20 am-7:50 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:15 am-4:15 pm

1 stop11h 00m

$241

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Mon 12/8

5:45 am-12:05 pm

1 stop7h 20m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/2

5:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Wed 12/10

5:45 am-12:05 pm

1 stop7h 20m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:15 am-4:15 pm

1 stop11h 00m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/1

9:15 am-9:10 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Mon 11/3

3:55 pm-9:50 pm

1 stop6h 55m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/8

12:40 pm-12:30 am

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Tue 11/11

8:55 am-7:50 pm

2 stops11h 55m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/11

5:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Mon 12/15

5:45 am-12:05 pm

1 stop7h 20m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Miami-San Juan flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Miami-San Juan flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Miami-San Juan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-San Juan flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-San Juan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 17, 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, October is the cheapest month in which you can book a flight from Miami to San Juan (average of $50). Flying from Miami to San Juan in September is currently the most expensive (average of $130). 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 October 23, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 52% on flights from Miami to San Juan by exploring options for tickets at noon.

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 Sunday evenings when fares are most often at their lowest. Thursday at noon 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 October 23, 2025.

The most flights from MIA to PR1 are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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 October 23, 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
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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
2,908 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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
8,098 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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
3,128 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

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 10 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 6h 30m. Airlines will cover a distance of 1044 mi.

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

    Our cheapest airline available from Miami to San Juan is Spirit Airlines. Our recent data shows that you can find tickets from as low as $81 on this airline. Additional options worth looking into are Frontier and JetBlue, starting at $87 and $117 round-trip. Spirit Airlines is currently priced 63% 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 Spirit Airlines (92%), Frontier (80%) or British Airways (75%) 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 $83. While the most popular route (Miami - San Juan Luis Munoz Marin Intl) can be booked for $109 on average, our data indicates $415 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, October is the cheapest month in which you can book a flight from Miami to San Juan (average of $50). Flying from Miami to San Juan in September is currently the most expensive (average of $130). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Miami to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Orlando to Ponce flights
Orlando to Aguadilla flights
Jacksonville to Luis Munoz Marin Intl flights
West Palm Beach to Luis Munoz Marin Intl flights
Fort Lauderdale to Aguadilla flights
Pensacola to Luis Munoz Marin Intl flights
Daytona Beach to Luis Munoz Marin Intl flights
Fort Myers to Luis Munoz Marin Intl flights
Tallahassee to Luis Munoz Marin Intl flights
Sarasota to Luis Munoz Marin Intl flights
Melbourne to Luis Munoz Marin Intl flights
Panama City to Luis Munoz Marin Intl flights
Tampa to Aguadilla flights
Valparaiso to Luis Munoz Marin Intl flights
Orlando Sanford Intl to Luis Munoz Marin Intl flights
Orlando to Mayagüez flights
Gainesville to Luis Munoz Marin Intl flights
Fort Lauderdale to Ponce flights
Orlando to Vieques flights
Miami to Aguadilla flights
Miami to Culebra flights
Key West to Luis Munoz Marin Intl flights
Jacksonville to Aguadilla flights
Miami to Vieques flights
Tampa to Ponce flights
Tampa to Mayagüez flights
Fort Myers to Aguadilla flights
Miami to Mayagüez flights
Fort Lauderdale to Mayagüez flights
Tampa to Culebra flights
Fort Lauderdale to Vieques flights
Orlando to Culebra flights
Fort Lauderdale to Culebra flights
Pensacola to Vieques flights
Jacksonville to Vieques flights
Fort Myers to Mayagüez flights
Pensacola to Ponce flights
Pensacola to Aguadilla flights
Jacksonville to Culebra flights

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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$191FlexibilityNo cancel feeOn-time65%
FrontierCheapest$87Average$195FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$117Average$236FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$189Average$333FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$210Average$380FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.