$70 Cheap Flights from San Juan (SJU) to Baltimore (BWI)

View $70 flight on Sat, Jun 7, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Airport (BWI)

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Baltimore (SJU-BWI)

Prices were available within the past 7 days and start at $70 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, May 24 - Tue, May 27
SJU
San Juan
BWI
Baltimore
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 24 from San Juan to Baltimore, returning Tue, May 27, priced at $140 just found
Spirit Airlines
Fri, May 9 - Mon, May 12
SJU
San Juan
BWI
Baltimore
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from San Juan to Baltimore, returning Mon, May 12, priced at $154 just found
Spirit Airlines
Sat, May 10 - Sat, May 17
SJU
San Juan
BWI
Baltimore
$165 Roundtrip, found 1 hour ago
$165
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, May 10 from San Juan to Baltimore, returning Sat, May 17, priced at $165 found 1 hour ago
Spirit Airlines
Fri, May 9 - Mon, May 12
SJU
San Juan
BWI
Baltimore
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from San Juan to Baltimore, returning Mon, May 12, priced at $167 just found
Spirit Airlines
Thu, May 1 - Sun, May 11
SJU
San Juan
BWI
Baltimore
$171 Roundtrip, found 20 hours ago
$171
Roundtrip
found 20 hours ago
Select Spirit Airlines flight, departing Thu, May 1 from San Juan to Baltimore, returning Sun, May 11, priced at $171 found 20 hours ago
Spirit Airlines
Fri, May 2 - Mon, May 12
SJU
San Juan
BWI
Baltimore
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Fri, May 2 from San Juan to Baltimore, returning Mon, May 12, priced at $175 found 1 hour ago
Frontier Airlines
Fri, May 23 - Tue, May 27
SJU
San Juan
BWI
Baltimore
$176 Roundtrip, just found
$176
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 23 from San Juan to Baltimore, returning Tue, May 27, priced at $176 just found
American Airlines
Thu, May 29 - Sat, May 31
SJU
San Juan
BWI
Baltimore
$183 Roundtrip, found 1 hour ago
$183
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, May 29 from San Juan to Baltimore, returning Sat, May 31, priced at $183 found 1 hour ago
Southwest Airlines
Thu, Jun 5 - Tue, Jun 10
SJU
San Juan
BWI
Baltimore
$221 Roundtrip, found 6 hours ago
$221
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Thu, Jun 5 from San Juan to Baltimore, returning Tue, Jun 10, priced at $221 found 6 hours ago
United
Wed, Sep 10 - Sun, Sep 21
SJU
San Juan
BWI
Baltimore
$345 Roundtrip, just found
$345
Roundtrip
just found
Select United flight, departing Wed, Sep 10 from San Juan to Baltimore, returning Sun, Sep 21, priced at $345 just found
Flights from San Juan (SJU) to Baltimore (BWI)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$140
Distance
1568 mi

San Juan to Baltimore Flights

The cheapest times to fly from San Juan to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Baltimore are during the month of May. You can find some of the cheapest flights from San Juan to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Baltimore

Sunday is one of the best days to book for cheap flights from San Juan to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Book cheap return fares starting at $140 from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving SJU on May 9 2025 and touching down at BWI. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SJU to BWI?
The cheapest flights from SJU to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Take a direct flight with Southwest Airlines and travel straight from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the cheapest airline that flies from SJU to BWI?
With prices starting from $70 for a one-way flight from SJU to BWI, Spirit Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on June 19 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
With an average of 2 nonstop flights departing from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) daily, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More travelers fly between SJU and BWI at 4 PM than at any other time of day. Rather skip the crowds? Try choosing a quieter departure window and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from SJU to BWI?
If you jet off on a Friday, you’ll get the biggest range of options for flights from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Take the earliest flight at around 6:00AM UTC-4, leaving from Luis Munoz Marin Intl. Airport (SJU). You’ll be traveling for around 4h 20m, coming in to land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 9:20AM UTC-5.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, it takes 4 hours and 21 minutes to cover the 1,550 mi from SJU to BWI.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Baltimore from Luis Munoz Marin Intl. Airport (SJU)?
Hop on a direct flight from Luis Munoz Marin Intl. Airport (SJU) to Baltimore and come in for landing at any one of these airports:

  • Washington Dulles Intl. Airport (IAD)
  • Ronald Reagan Washington National Airport (DCA)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute bookings from SJU to BWI are usually more expensive. To lock in the best prices, start searching for flights ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a SJU to BWI flight and hotel package?
Opting for a SJU to BWI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your SJU to BWI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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