Baltimore San Juan flights

Baltimore (BWI)San Juan (SIG, SJU)
from€140

Last observed price · Last checked: 3 Sep 2026 · Price may change

Short answer

The lowest fare our own searches returned is €140, seen on 3 Sep 2026. The average across the fares we caught is €328. December 2026 is the cheapest month in our observations, at €140. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search
Last checked: 3 Sep 2026 · Price may change
€140
Fri 11 Dec 2026 → Tue 15 Dec 2026
Southwest Airlines1 stop4 nights
Cheapest
Last checked: 3 Sep 2026 · Price may change
€140 lowest€328 average5h 20m fastest
Options found on this date

Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

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: 3 Sep 2026
Baltimore → San JuanFri 11 Dec 2026 · €140

Round trip

Route facts

Cheapest month
December 2026
€140
Average observed
€328
Typical duration
5h 20m
2527 km
Alternative airports
1
SJU

Frequently asked

How much is a flight from Baltimore to San Juan?+

The lowest fare we have observed is €140, found on 3 Sep 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Baltimore to San Juan?+

In our observations December 2026 is the cheapest month so far, at €140.

Similar routes

More routes from Baltimore

More routes to San Juan

Last checked: 3 Sep 2026