Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.
Frontier's Economy Bundle includes a carry-on bag and seat selection, avoiding extra fees.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $175 (Kiwi.com) |
One-way from | $103 (WAYA) |
Popular in | December |
Cheapest in | May |
Average price | $377 |
Good round-trip deal | $276 or less |
Good one-way deal | $158 or less |
Fly from
Fly to
Route
Depart
Return
Price
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
jeu. 1/1
11:50 am-6:15 pm
1 stop5h 25m
San Juan Luis Munoz Marin Intl
dim. 1/4
12:00 pm-4:37 pm
1 stop5h 37m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
jeu. 12/25
11:50 am-6:15 pm
1 stop5h 25m
San Juan Luis Munoz Marin Intl
dim. 1/4
6:01 am-10:50 am
1 stop5h 49m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
mar. 2/3
8:36 am-1:06 pm
Nonstop3h 30m
San Juan Luis Munoz Marin Intl
sam. 2/7
3:55 pm-7:03 pm
Nonstop4h 08m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
mer. 4/8
9:45 am-1:14 pm
Nonstop3h 29m
San Juan Luis Munoz Marin Intl
mer. 4/22
7:30 am-11:30 am
Nonstop4h 00m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
lun. 1/26
7:23 pm-11:45 pm
Nonstop3h 22m
San Juan Luis Munoz Marin Intl
mer. 2/4
3:55 pm-7:03 pm
Nonstop4h 08m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
mer. 4/22
7:30 am-4:23 pm
1 stop8h 53m
San Juan Luis Munoz Marin Intl
ven. 5/1
6:15 am-10:16 am
Nonstop4h 01m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
lun. 5/11
6:00 am-12:50 pm
1 stop6h 50m
San Juan Luis Munoz Marin Intl
mer. 5/13
7:30 am-11:30 am
Nonstop4h 00m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
mar. 1/6
11:55 am-11:10 pm
2 stops10h 15m
San Juan Luis Munoz Marin Intl
mar. 1/13
4:05 pm-9:00 pm
1 stop5h 55m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
ven. 4/17
8:00 am-3:23 pm
1 stop7h 23m
San Juan Luis Munoz Marin Intl
ven. 5/1
4:25 pm-10:09 pm
1 stop5h 44m
AtlantaSan Juan
ATL - SJU
ATLSJU
Atlanta Hartsfield-Jackson
ven. 5/8
11:50 am-5:49 pm
1 stop5h 59m
San Juan Luis Munoz Marin Intl
sam. 5/16
8:05 am-4:38 pm
1 stop8h 33m
| 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | 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 | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The price you pay for your flight from Atlanta to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, May is the cheapest month in which you can book a flight from Atlanta to San Juan Luis Munoz Marin Intl Airport (average of $98). Flying from Atlanta to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $159). 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 Atlanta to San Juan Luis Munoz Marin Intl Airport in the morning. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Atlanta to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 23% of weekly flights between Atlanta and San Juan have experienced delays in the past year, with the average delay time being 133 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.
Tuesday 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, Delta have had the lowest number of delays on this route, with just 20% of flights being delayed.
Orlando (MCO) – chosen by Cheapflights users on 63% of 1-stop itineraries from Atlanta to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
Tampa (TPA) is the most affordable 1-stop option, with an average round-trip price of $115.
Flights via Tampa (TPA) have the shortest average one-way travel time for 1-stop routes: 5h 19m.
Flights via Orlando (MCO) offer the fastest connection on this route, with an average layover time of 2h 02m.
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$223 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$118 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$247 | Average$301 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$323 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$329 | Average$464 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$445 | FlexibilityNo cancel fee | On-time69% |