$75 Cheap Flights from Boston (BOS) to San José (SJO)

View $75 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Boston to San José (BOS-SJO)

Prices were available within the past 7 days and start at $75 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Nov 12 - Thu, Nov 13
BOS
Boston
SJO
San José
$184 Roundtrip, found 1 hour ago
$184
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Nov 12 from Boston to San José, returning Thu, Nov 13, priced at $184 found 1 hour ago
Spirit Airlines
Tue, Nov 11 - Wed, Nov 12
BOS
Boston
SJO
San José
$186 Roundtrip, found 1 hour ago
$186
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Nov 11 from Boston to San José, returning Wed, Nov 12, priced at $186 found 1 hour ago
Spirit Airlines
Mon, Nov 10 - Wed, Nov 12
BOS
Boston
SJO
San José
$189 Roundtrip, found 19 hours ago
$189
Roundtrip
found 19 hours ago
Select Spirit Airlines flight, departing Mon, Nov 10 from Boston to San José, returning Wed, Nov 12, priced at $189 found 19 hours ago
Spirit Airlines
Tue, Nov 18 - Wed, Nov 19
BOS
Boston
SJO
San José
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Nov 18 from Boston to San José, returning Wed, Nov 19, priced at $198 found 1 hour ago
Spirit Airlines
Wed, Nov 12 - Tue, Nov 18
BOS
Boston
SJO
San José
$201 Roundtrip, found 11 hours ago
$201
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Wed, Nov 12 from Boston to San José, returning Tue, Nov 18, priced at $201 found 11 hours ago
Spirit Airlines
Fri, Nov 14 - Wed, Nov 19
BOS
Boston
SJO
San José
$206 Roundtrip, found 6 hours ago
$206
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Fri, Nov 14 from Boston to San José, returning Wed, Nov 19, priced at $206 found 6 hours ago
United
Mon, Nov 3 - Thu, Nov 13
BOS
Boston
SJO
San José
$217 Roundtrip, found 6 hours ago
$217
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Nov 3 from Boston to San José, returning Thu, Nov 13, priced at $217 found 6 hours ago
American Airlines
Mon, Nov 3 - Thu, Nov 13
BOS
Boston
SJO
San José
$222 Roundtrip, found 6 hours ago
$222
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Nov 3 from Boston to San José, returning Thu, Nov 13, priced at $222 found 6 hours ago
JetBlue Airways
Sun, Mar 1 - Thu, Mar 5
BOS
Boston
SJO
San José
$252 Roundtrip, just found
$252
Roundtrip
just found
Select JetBlue Airways flight, departing Sun, Mar 1 from Boston to San José, returning Thu, Mar 5, priced at $252 just found
Southwest Airlines
Sun, Dec 7 - Thu, Dec 11
BOS
Boston
SJO
San José
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Southwest Airlines flight, departing Sun, Dec 7 from Boston to San José, returning Thu, Dec 11, priced at $257 just found

Find the cheapest month to fly from Boston (BOS) to San José (SJO)

September is typically the cheapest month to fly

From $181 - $286 per traveler.

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 $223
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $223

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO) cost?
Lock in a cheap one-way flight from $75 or cheap return flight from $184 from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO)?
The cheapest month to fly from BOS to SJO is November, when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO)?
To find the cheapest airline that'll fly you from BOS to SJO, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO)?
You'll need to book a flight with a layover when traveling from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BOS to SJO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO)?
To reach Juan Santamaria Intl. Airport (SJO) on time, choose a flight that leaves Logan Intl. Airport (BOS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO) last-minute?
Holding off until right before your break to book your flight from BOS to SJO often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a BOS to SJO flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to SJO flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Juan Santamaria Intl. Airport (SJO)?
Usually, it's possible to reschedule or cancel your BOS to SJO flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United, avianca
Roundtrip price
$184
Distance
2374 mi

Book with confidence

Boston to San José Flights

The cheapest times to fly from Boston 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 Boston to San José are during the month of November. You can find some of the cheapest flights from Boston to San José with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $75 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 Boston 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 Boston 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.

 

Boston to San José Flights

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*Available to One Key members.