Cheap flights from Baltimore to San Juan (BWI–SJU)
United States
Puerto Rico
Frontier Airlines and Southwest Airlines fly Baltimore to San Juan (BWI–SJU) nonstop and back, a great-circle distance of 2,520 km (1,570 mi).
Compare all 2 Washington–San Juan airport pairs
- From
- BWI
- Baltimore
- To
- SJU
- San Juan
- Nonstop
- Yes · 2 airlines
- Airlines
- F9 · WN
- Cheapest fare found
- $128 one-way
- Distance
- 2,520 km (1,570 mi)
- Most flights
- Southwest Airlines
- Time in the air
- 3h 34m · 3h 38m back
- On time (Touchdown Index)
- 82.7%
- Flights a week
- F9 ~2 · WN ~10
- Aircraft seen
- Boeing 737 Max 8 · Boeing 737-800 · Airbus A321neo
Network data imported from airport and airline sources:· How we verify
Baltimore to San Juan fares by month
Cheapest one-way fare found: $128 for November 2026 on Frontier Airlines, nonstop. Nonstop from $128.
- Nov ’26$128
- Jan ’27$160
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
Baltimore to San Juan: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Baltimore (BWI) to San Juan Luis Munoz Marin (SJU)?
From $128 one-way, the cheapest fare found for November 2026 on Frontier Airlines, nonstop; nonstop from $128 (found 8 October 2026).
How long is the BWI–SJU flight?
3h 34m wheels-up to wheels-down, the median of 38 tracked flights; SJU–BWI took 3h 38m.
Which airlines fly BWI–SJU direct?
Frontier Airlines and Southwest Airlines.
What is the time difference between Baltimore and San Juan?
None: Baltimore and San Juan keep the same time.
Is BWI–SJU usually on time?
82.7% of 75 BWI–SJU flights landed within 15 minutes of their usual time; 5.3% were over an hour late.
How many BWI–SJU flights a week?
Frontier Airlines 2 and Southwest Airlines 10 each way.
What aircraft fly BWI–SJU?
Boeing 737 Max 8, Boeing 737-800 and Airbus A321neo.
San Juan to Baltimore: the return flight (SJU–BWI)
All 2 airlines also fly SJU–BWI nonstop.
The return takes 3h 38m in the air (median of 54 tracked flights).
Airlines flying BWI–SJU nonstop
| Airline | Usually takes off (BWI time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Frontier Airlines F9 | 21:03–21:56 | low-cost | — | — |
 Southwest Airlines WN | 08:43–20:21 | low-cost | — | — |
One-stop alternatives to flying BWI–SJU nonstop
One airline on both legs; check it's sold as one ticket.
- Via Charlotte (CLT) with
American Airlines and Frontier Airlines: 2,960 km (1,840 mi) flown, 17% further than nonstop. - Via New Haven (HVN) with
Avelo Airlines: 3,020 km (1,870 mi) flown, 20% further than nonstop. - Via Fort Lauderdale (FLL) with
Frontier Airlines, JetBlue Airways and Southwest Airlines: 3,180 km (1,970 mi) flown, 26% further than nonstop. - Via Orlando (MCO) with Frontier Airlines and Southwest Airlines: 3,180 km (1,980 mi) flown, 26% further than nonstop.
- Via Miami (MIA) with American Airlines and Frontier Airlines: 3,210 km (1,990 mi) flown, 27% further than nonstop.
BWI–SJU route map
More from Baltimore and San Juan
Explore the airlines’ route maps
Plan your arrival at Luis Munoz Marin International Airport (SJU)
Departure
Baltimore/Washington International Thurgood Marshall Airport
Baltimore (BWI), Baltimore. In our data, 14 airlines fly nonstop from BWI to 85 destinations.
View BWI airport guide →Arrival
Luis Munoz Marin International Airport
Luis Munoz Marin (SJU), San Juan.
Other nonstop airport pairs, Baltimore to San Juan
Baltimore and San Juan are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from San Juan
Places you can't fly to nonstop from BWI, but can from SJU — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
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