Atlanta Hartsfield-Jackson to Luis Muñoz Marín
1548 miles great-circle distance, typically flown in 3h 31m with 7 airlines operating direct service from Atlanta Hartsfield-Jackson (ATL) to Luis Muñoz Marín (SJU). Cheapest fares are usually in Jun (around $126 return), with peak prices in Jun (around $126). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson is the world's busiest airport by passenger count and Delta's main hub, with five domestic concourses and a separate international concourse all linked by an underground people mover. MARTA's Red and Gold lines run from the airport's own station directly into downtown Atlanta in around 20 minutes for $2.50 — one of the cheapest big-city airport transfers in the country. Fares from ATL are competitive on virtually every route Delta serves; ULCC carriers Spirit and Frontier add discount capacity on the heaviest leisure corridors.
Arriving in San Juan
San Juan's Luis Muñoz Marín is the busiest airport in the Caribbean and Puerto Rico's primary international gateway. The airport is 8 km east of Old San Juan; AMA bus T5 runs from the airport, but most travellers use rideshare or taxi (~$25 to Old San Juan). US domestic-status flights (no passport required for US citizens) make San Juan one of the easiest Caribbean destinations from any US hub.
Who flies ATL to SJU?
| Airline | IATA | Flight time | Cabin |
| Delta Air Lines | DL | 3h 31m | Economy |
| Southwest Airlines | WN | 3h 31m | Economy |
| Spirit Airlines | NK | 3h 31m | Economy |
| Frontier Airlines | F9 | 3h 31m | Economy |
| American Airlines | AA | 3h 31m | Economy |
| United Airlines | UA | 3h 31m | Economy |
| JetBlue Airways | B6 | 3h 31m | Economy |
7 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly ATL→SJU
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Atlanta to San Juan FAQs
Direct flights from Atlanta Hartsfield-Jackson (ATL) to Luis Muñoz Marín (SJU) take approximately 3h 31m for the 1548-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
Jun is typically the cheapest month on this route, with one-way fares from $108. Jun is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
7 carriers operate direct service from Atlanta Hartsfield-Jackson (ATL) to Luis Muñoz Marín (SJU): Delta Air Lines, Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines and 2 more. Frequencies vary by season and carrier — Delta Air Lines typically operates the highest weekly count on this corridor.
No — Puerto Rico is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Luis Muñoz Marín (SJU) is the primary international airport for San Juan. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.