San Juan to Miami SJU → MIA
Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA)
The cheapest return found recently is $189 with Frontier Airlines, 21 Nov – 3 Dec, found 2 days ago. The cheapest one-way found recently is $70 with Frontier Airlines, 25 Oct, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $100 to $137.
Cheapest return found recently
$189
21 Nov – 3 Dec · Frontier Airlines
Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA)
Leaves 6:00 a.m. · Return leaves 10:17 p.m. · 18 h 38 min of travel, both ways together
out 1 stop, back nonstop
found 2 days ago
Cheapest nonstop return
$119
25 Oct – 31 Oct · Frontier Airlines
Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA)
Leaves 11:54 a.m. · Return leaves 8:55 p.m. · 5 h 35 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Found recently, and the cheapest we hold
$189 21 Nov – 3 Decfound 2 days agoSee prices for these dates
$81 31 Oct – 2 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $81 to $162.
At $189, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 25 Oct to 21 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 12-night return fares leaving within 3 days of 21 Nov to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Oct – 31 Oct | $119 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 31 Oct – 2 Nov | $81 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 21 Nov – 3 Dec | $154 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $81.
Airlines on the cheapest dates: Frontier Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $62 to $75.
Cheapest one-way found recently
$70
25 Oct · Frontier Airlines
Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA)
Leaves 3:04 a.m. · 2 h 51 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$70
25 Oct · Frontier Airlines
Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA)
Leaves 3:04 a.m. · 2 h 51 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$70 25 Octfound yesterdayOpen this trip
$36 4 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $36 to $59.
At $70, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 22 Oct to 22 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 25 Oct, and it is not cheaper.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Oct | $90 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | nonstop | found yesterday | Open this trip |
| 25 Oct | $70 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | nonstop | found yesterday | Open this trip |
| 4 Nov | $36 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | nonstop | found 4 days ago | Open this trip |
| 22 Nov | $70 | Frontier Airlines | Luis Munoz Marin International Airport (SJU) → Miami International Airport (MIA) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $36.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from San Juan to Miami
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 21 Nov – 3 Dec in another cabin: Premium economy · Business · First
Today's prices for 25 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Juan to Miami?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $121 | $119 | Cheapest seen | 12 |
| 14–29 days | $131 | $81 | +8% | 22 |
| 30–59 days | $174 | $138 | +44% | 25 |
| 60–89 days | $261 | $156 | +116% | 16 |
| 180+ days | $391 | $353 | +223% | 20 |
One-way
Fares 7 to 13 days before departure were typically 39% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $94 | $57 | +65% | 17 |
| 7–13 days | $57 | $56 | Cheapest seen | 13 |
| 14–29 days | $58 | $36 | +2% | 25 |
| 30–59 days | $62 | $58 | +9% | 13 |
| 60–89 days | $314 | $195 | +451% | 8 |
| 90–179 days | $73 | $73 | +28% | 14 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Juan → Fort Lauderdale
40 km from Miami
$218
$29 more than flying to Miami
24 Dec – 27 Dec · SJU → FLL · out nonstop, back nonstop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 21 Nov – 3 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work