Baltimore → San Juan flights
Baltimore (BWI)→San Juan (SIG, SJU)
from$145
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$145
Fri 2 Oct 2026 → Sun 4 Oct 2026
Southwest Airlines1 stop2 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$145 lowest$209 average5h 20m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
SA$145Cheapest2 Oct 2026 → 4 Oct 2026Southwest Airlines · 1 stop · 12:55Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →AA$17122 Aug 2026 → 25 Aug 2026American Airlines · 1 stop · 10:40Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →FA$21018 Aug 2026 → 29 Sep 2026Frontier Airlines · Non-stop · 19:18Last checked: 11 Aug 2026 · Price may change42 nightsView ticket →FA$21021 Aug 2026 → 25 Aug 2026Frontier Airlines · Non-stop · 19:18Last checked: 11 Aug 2026 · Price may change4 nightsView ticket →FA$30819 Aug 2026 → 22 Aug 2026Frontier Airlines · 1 stop · 19:18Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
Baltimore → San JuanFri 2 Oct 2026 · $145
Find flightsRoute facts
Direct flights
Non-stop
BWI - SIG, 5h 20m
Airlines seen
3
American Airlines, Frontier Airlines, Southwest Airlines
Cheapest month
October 2026
$145
Average observed
$209
Typical duration
5h 20m
Alternative airports
1
SJU
Frequently asked
Are there direct flights from Baltimore to San Juan?+−
Yes. We have seen non-stop flights on this route, flown by FL.
How much is a flight from Baltimore to San Juan?+−
The lowest fare we have observed is $145, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Baltimore to San Juan?+−
These are the carriers we have seen on the route: American Airlines, Frontier Airlines, Southwest Airlines.
When is the cheapest month to fly from Baltimore to San Juan?+−
In our observations October 2026 is the cheapest month so far, at $145.
Similar routes
Last checked: 11 Aug 2026