Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.
Frontier's Economy Bundle includes a carry-on bag, seat selection, and no cancellation fees.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $113 (Frontier) |
One-way from | $62 (Frontier) |
Popular in | July |
Cheapest in | February |
Average price | $220 |
Good round-trip deal | $209 or less |
Good one-way deal | $110 or less |
Fly from
Fly to
Route
Depart
Return
Price
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Sat 3/7
7:05 pm-9:01 pm
Nonstop2h 56m
Miami
Sun 3/15
10:40 pm-1:19 am
Nonstop2h 39m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Fri 1/9
2:29 am-8:09 pm
1 stop18h 40m
Miami
Sun 1/11
9:01 am-12:35 pm
Nonstop2h 34m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Wed 12/31
3:54 am-6:00 am
Nonstop3h 06m
Miami
Mon 1/5
11:05 pm-2:39 am
Nonstop2h 34m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Wed 12/31
3:54 am-6:00 am
Nonstop3h 06m
Miami
Mon 1/5
3:38 pm-7:13 pm
Nonstop2h 35m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Wed 4/29
2:15 am-5:08 am
Nonstop2h 53m
Miami
Mon 5/4
3:26 pm-5:58 pm
Nonstop2h 32m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Sun 1/11
9:00 am-9:14 pm
1 stop13h 14m
Miami
Wed 1/14
5:15 am-3:27 pm
1 stop9h 12m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Tue 1/27
6:00 am-8:01 am
Nonstop3h 01m
Miami
Thu 1/29
2:41 pm-6:22 pm
Nonstop2h 41m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Tue 12/30
9:37 pm-7:30 pm
2 stops22h 53m
Miami
Thu 1/1
11:00 pm-2:34 am
Nonstop2h 34m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Wed 12/31
9:37 pm-10:58 am
2 stops14h 21m
Miami
Sun 1/4
2:34 pm-6:11 pm
Nonstop2h 37m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Sun 12/28
9:49 am-11:49 am
Nonstop3h 00m
Miami
Sat 1/3
9:59 pm-1:59 pm
2 stops15h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Miami is 14 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.
Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Miami (average of $40). Flying from San Juan Luis Munoz Marin Intl Airport to Miami in September is currently the most expensive (average of $111). 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.
It’s typically best to fly out from San Juan Luis Munoz Marin Intl Airport to Miami in the evening. Doing so could potentially save you 54% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Miami flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 15% of weekly flights between San Juan and Miami have experienced delays in the past year, with the average delay time being 145 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 Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Star Peru have had the lowest number of delays on this route, with just 4% of flights being delayed.
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Nordia,Sep 2025
KIN - MIA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$186 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$94 | Average$197 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$208 | Average$375 | FlexibilityNo cancel fee | On-time71% |