Cheap Flights from Baltimore to San Juan from $118

Frequently Asked Questions

• What are the cheapest flights from Baltimore to San Juan (BWI-SJU)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as $118 on Cheapest nonstop routes (e.g. BWI to SJU on Tue, Jun 16), while Frontier Airlines offers Cheapest nonstop round-trips from $235 departing on Tue, Jun 16 and returning on Tue, Jun 23.

• Which airlines offer direct flights from Baltimore to San Juan?

  At the moment, you can catch a nonstop flight from Baltimore to San Juan with the following airlines, including: Frontier Airlines Spirit Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Baltimore (BWI) to San Juan (SJU) and what is the distance?

  It takes around 4 hours 8 minutes to fly from Baltimore (BWI) to San Juan (SJU).

• When is the best time to book flights from Baltimore to San Juan?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Baltimore to San Juan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Baltimore to San Juan?

  To find best deals on flights from Baltimore to San Juan, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 16, with one-way flights priced at just $118.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Juan travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Baltimore (BWI) to San Juan (SJU) the cheapest?

  The cheapest months to fly from Baltimore to San Juan is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Baltimore to San Juan on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Baltimore to San Juan on June 12, 2026 with Frontier Airlines, with prices starting at $199.

• Which airports can I fly to for San Juan from Baltimore?

  You can land at any one of the following hubs in San Juan, with Baltimore/Washington International Airport to Luis Munoz Marin International Airport (BWI-SJU) is by far the most common option on this route: Luis Munoz Marin International Airport (SJU) Fernando Luis Ribas Dominicci Airport (SIG).

• Is there any time difference between Baltimore and San Juan?

  The time difference between San Juan and Baltimore is 1h.

• How do I change or cancel my ticket from Baltimore to San Juan?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.