Frontier's UpFront Plus seats offer extra legroom and a guaranteed empty middle seat for comfort.
Frontier's Zone 1 boarding is available with carry-on purchase or special fare bundles.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $151 (Kiwi.com) |
One-way from | $70 (CheapOair) |
Popular in | September |
Cheapest in | February |
Average price | $240 |
Good round-trip deal | $211 or less |
Good one-way deal | $115 or less |
Fly from
Fly to
Route
Depart
Return
Price
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Fri 2/6
6:05 pm-12:40 am
1 stop5h 35m
San Juan Luis Munoz Marin Intl
Mon 2/9
4:10 pm-9:55 pm
1 stop6h 45m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Wed 2/4
6:55 am-7:05 pm
1 stop11h 10m
San Juan Luis Munoz Marin Intl
Sat 2/7
1:45 pm-9:25 pm
1 stop8h 40m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Thu 2/5
12:25 pm-12:05 am
1 stop10h 40m
San Juan Luis Munoz Marin Intl
Tue 2/10
5:40 am-4:10 pm
2 stops11h 30m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Sat 11/22
7:00 pm-10:39 pm
Nonstop2h 39m
San Juan Luis Munoz Marin Intl
Fri 11/28
6:52 pm-11:40 pm
2 stops29h 48m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Sat 1/31
7:00 am-6:30 pm
2 stops10h 30m
San Juan Luis Munoz Marin Intl
Mon 2/2
5:40 am-12:15 pm
1 stop7h 35m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Fri 1/30
5:20 pm-12:35 am
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Mon 2/2
5:40 am-12:15 pm
1 stop7h 35m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Mon 1/12
4:32 pm-11:44 pm
1 stop6h 12m
San Juan Luis Munoz Marin Intl
Thu 1/22
6:27 pm-12:51 am
1 stop7h 24m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Fri 1/23
12:55 pm-12:35 am
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Tue 1/27
6:00 am-12:05 pm
1 stop7h 05m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Mon 11/17
6:00 am-5:26 pm
1 stop10h 26m
San Juan Luis Munoz Marin Intl
Mon 11/24
6:36 pm-12:46 am
1 stop7h 10m
MiamiSan Juan
MIA - SJU
MIASJU
Miami
Mon 11/17
8:05 am-5:26 pm
1 stop8h 21m
San Juan Luis Munoz Marin Intl
Wed 11/19
7:00 am-3:47 pm
1 stop9h 47m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Miami to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from Miami to San Juan Luis Munoz Marin Intl Airport (average of $60). Flying from Miami to San Juan Luis Munoz Marin Intl Airport 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.
Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Miami to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets in the evening.
Travelers seeking maximum savings on their Miami to San Juan Luis Munoz Marin Intl Airport 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.
About 19% of weekly flights between Miami and San Juan have experienced delays in the past year, with the average delay time being 139 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Bonza have had the lowest number of delays on this route, with no flights being classified as delayed.
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
pilar,May 2025
RSW - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$194 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$199 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$305 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$383 | FlexibilityNo cancel fee | On-time71% |