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 | $111 (Mytrip) |
One-way from | $59 (Super.com) |
Popular in | July |
Cheapest in | February |
Average price | $240 |
Good round-trip deal | $212 or less |
Good one-way deal | $112 or less |
Fly from
Fly to
Route
Depart
Return
Price
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Fri 2/27
11:52 am-1:50 pm
Nonstop2h 58m
Miami
Tue 3/3
1:38 pm-1:37 am
1 stop10h 59m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Sat 2/28
11:52 am-1:50 pm
Nonstop2h 58m
Miami
Wed 3/4
3:26 pm-6:58 pm
Nonstop2h 32m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Mon 2/2
8:15 am-10:16 am
Nonstop3h 01m
Miami
Mon 2/2
3:26 pm-6:58 pm
Nonstop2h 32m
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
Mon 2/16
2:54 am-3:27 pm
1 stop13h 33m
Miami
Tue 2/24
3:26 pm-6:58 pm
Nonstop2h 32m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Fri 2/27
2:59 am-12:43 pm
1 stop10h 44m
Miami
Sun 3/1
7:05 am-5:32 pm
1 stop9h 27m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Fri 1/30
8:25 am-10:26 am
Nonstop3h 01m
Miami
Sun 2/1
5:30 am-3:12 pm
1 stop8h 42m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Thu 1/22
11:52 am-1:50 pm
Nonstop2h 58m
Miami
Thu 1/22
7:09 pm-10:24 am
2 stops14h 15m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Thu 1/22
6:00 am-8:08 am
Nonstop3h 08m
Miami
Thu 1/22
1:20 pm-5:01 pm
Nonstop2h 41m
San JuanMiami
SJU - MIA
SJUMIA
San Juan Luis Munoz Marin Intl
Thu 1/22
11:52 am-1:50 pm
Nonstop2h 58m
Miami
Thu 1/22
9:26 pm-12:27 pm
1 stop14h 01m
| 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
Entertainment
Overall
Food
Comfort
Crew
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Nordia,Sep 2025
KIN - MIA
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Nordia,Sep 2025
KIN - MIA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$186 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$95 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$208 | Average$376 | FlexibilityNo cancel fee | On-time71% |