$89 Cheap Flights from Baltimore (BWI) to San José (SJO)

View $89 flight on Sun, Aug 17, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Baltimore to San José (BWI-SJO)

Prices were available within the past 7 days and start at $89 for one-way flights and $246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Wed, Sep 3 - Wed, Sep 10
BWI
Baltimore
SJO
San José
$246 Roundtrip, found 1 hour ago
$246
Roundtrip
found 1 hour ago
Select Copa flight, departing Wed, Sep 3 from Baltimore to San José, returning Wed, Sep 10, priced at $246 found 1 hour ago
Southwest Airlines
Wed, Oct 15 - Sun, Oct 19
BWI
Baltimore
SJO
San José
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Wed, Oct 15 from Baltimore to San José, returning Sun, Oct 19, priced at $251 found 2 hours ago
United
Wed, Sep 3 - Wed, Sep 10
BWI
Baltimore
SJO
San José
$253 Roundtrip, found 1 hour ago
$253
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 3 from Baltimore to San José, returning Wed, Sep 10, priced at $253 found 1 hour ago
Spirit Airlines
Tue, Aug 12 - Wed, Aug 20
BWI
Baltimore
SJO
San José
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Aug 12 from Baltimore to San José, returning Wed, Aug 20, priced at $254 found 1 day ago
Spirit Airlines
Sun, Aug 17 - Sat, Aug 23
BWI
Baltimore
SJO
San José
$255 Roundtrip, found 2 hours ago
$255
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sun, Aug 17 from Baltimore to San José, returning Sat, Aug 23, priced at $255 found 2 hours ago
American Airlines
Tue, Sep 16 - Tue, Sep 23
BWI
Baltimore
SJO
San José
$256 Roundtrip, just found
$256
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 16 from Baltimore to San José, returning Tue, Sep 23, priced at $256 just found
Southwest Airlines
Sun, Oct 5 - Sun, Oct 12
BWI
Baltimore
SJO
San José
$256 Roundtrip, just found
$256
Roundtrip
just found
Select Southwest Airlines flight, departing Sun, Oct 5 from Baltimore to San José, returning Sun, Oct 12, priced at $256 just found
Delta
Wed, Sep 3 - Wed, Sep 10
BWI
Baltimore
SJO
San José
$258 Roundtrip, found 1 hour ago
$258
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 3 from Baltimore to San José, returning Wed, Sep 10, priced at $258 found 1 hour ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
BWI
Baltimore
SJO
San José
$259 Roundtrip, found 1 hour ago
$259
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Dec 9 from Baltimore to San José, returning Sat, Dec 13, priced at $259 found 1 hour ago
American Airlines
Tue, Sep 16 - Tue, Sep 23
BWI
Baltimore
SJO
San José
$260 Roundtrip, just found
$260
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 16 from Baltimore to San José, returning Tue, Sep 23, priced at $260 just found

Find the cheapest month to fly from Baltimore (BWI) to San José (SJO)

October is typically the cheapest month to fly

From $230 - $383 per traveler.

Graph displaying average flight prices per month

Alternative airports near San José

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $314
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $314
Flights from Baltimore (BWI) to San José (SJO)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Juan Santamaría Intl.
Airlines serving
Alaska Airlines, American Airlines, Copa, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$245
Distance
2069 mi
Average flight time
3 hours 45 mins

Baltimore to San José Flights

The cheapest times to fly from Baltimore to San José

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 Baltimore to San José are during the month of September. You can find some of the cheapest flights from Baltimore to San José with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Baltimore to San José: 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 Baltimore to San José

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 Baltimore to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Baltimore to San José 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 Baltimore to San José 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO) cost?
Score cheap return flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO) starting from $489. Book your seat and start your adventure. 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 Southwest Airlines flight leaving BWI on July 26 2025 and touching down at SJO. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BWI to SJO?
The cheapest flights from BWI to SJO 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
You can fly directly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO) on a Southwest Airlines flight.
What is the cheapest airline that flies from BWI to SJO?
Currently, the cheapest carrier operating one-way flights from BWI to SJO is Southwest Airlines. You can take off on this route from $175. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on August 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
On average, Baltimore Washington Intl. Thurgood Marshall Airport (BWI) offers 1 nonstop flights to Juan Santamaria Intl. Airport (SJO) per week. For more choice, take advantage of Expedia's filters to find flights with a layover. Squeeze in a visit to another destination or simply break up your travels.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
The 8 AM departures from BWI to SJO see the highest demand. Prices can be higher for these popular slots. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from BWI to SJO?
Saturday offers the most flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
Hop on the earliest flight at around 8:55AM UTC-5, leaving from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). You'll be flying for about 5h, touching down at Juan Santamaria Intl. Airport (SJO) at approximately 12:55PM UTC-6.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
The average flight duration from BWI to SJO is 5 hours, covering a distance of 2,100 mi.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
To land at Juan Santamaria Intl. Airport (SJO) without delays, choose a flight that leaves Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 San José from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Browse your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO). This is the only San José airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO) last-minute?
Last-minute fares from BWI to SJO are generally more expensive. For the cheapest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a BWI to SJO flight and hotel package?
Opting for a BWI to SJO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add car rentals, flights and activities 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Juan Santamaria Intl. Airport (SJO)?
If you booked your BWI to SJO flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.