HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$106+ Cheap flights from Boston (BOS) to San José (SJO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
nov. 29 — déc. 61
sam. 11/29
sam. 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to San José with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to San José Juan Santamaria Intl are usually found in September or October, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Find flight deals from Boston to San José

Cheapest flights from Boston to San José
Explore the most affordable flight options available from Boston to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/68:30 pmBOS - SJO
1 stop13h 22mJetBlue
lun. 12/229:38 amSJO - BOS
1 stop11h 10mJetBlue
Deal found 10/29$249
This JetBlue deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/48:30 pmBOS - SJO
1 stop13h 22mJetBlue
jeu. 12/1110:00 amSJO - BOS
1 stop12h 11mJetBlue
Deal found 10/30$252
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
ven. 11/211:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Deal found 10/30$255
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/411:15 amBOS - SJO
2 stops11h 58mAmerican Airlines
ven. 11/71:23 pmSJO - BOS
1 stop9h 53mAmerican Airlines
Deal found 10/30$256
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/97:44 amBOS - SJO
1 stop15h 29mAmerican Airlines
mer. 11/193:11 pmSJO - BOS
1 stop8h 40mAmerican Airlines
Deal found 10/30$257
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/306:13 pmBOS - SJO
1 stop21h 25mAmerican Airlines
lun. 11/36:22 amSJO - BOS
1 stop15h 40mAmerican Airlines
Deal found 10/30$259
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/136:45 amBOS - SJO
1 stop16h 28mAmerican Airlines
lun. 11/176:00 amSJO - BOS
1 stop11h 29mAmerican Airlines
Deal found 10/29$263
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/153:55 pmBOS - SJO
3 stops21h 30mSpirit Airlines
mer. 11/191:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 10/30$265
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
mar. 11/181:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 10/30$266

Cheap flight deals from Boston to San José

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octobre 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$237
(Mytrip)

One-way from

$106
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$404
Provider with most accurate pricing for Boston Logan Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San José Juan Santamaria Intl flights.
Search Deals
From Boston Logan Intl to San José Juan Santamaria Intl
Search Deals
One-way flight from Boston Logan Intl to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to San José that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 30, 2025.
Use the filters below to find and compare flights from Boston to San José that are best for you.

Fly from

Boston

Fly to

San José

Route

Depart

Return

Price

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 11/11

9:00 am-8:39 pm

2 stops12h 39m

San José Juan Santamaria Intl

mar. 11/18

12:35 pm-11:15 pm

1 stop9h 40m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

lun. 12/8

7:40 pm-8:52 am

1 stop14h 12m

San José Juan Santamaria Intl

mar. 12/16

10:00 am-11:11 pm

1 stop12h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 11/18

9:40 am-8:39 pm

2 stops11h 59m

San José Juan Santamaria Intl

dim. 11/23

11:28 pm-10:39 am

1 stop10h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

sam. 11/8

9:35 am-8:39 pm

1 stop12h 04m

San José Juan Santamaria Intl

mar. 11/11

11:28 pm-10:38 am

1 stop10h 10m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 11/11

12:00 pm-7:53 pm

1 stop8h 53m

San José Juan Santamaria Intl

lun. 11/17

8:45 am-11:15 pm

1 stop13h 30m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

dim. 1/18

11:42 am-8:39 pm

1 stop9h 57m

San José Juan Santamaria Intl

mer. 1/28

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

sam. 11/8

9:35 am-8:39 pm

1 stop12h 04m

San José Juan Santamaria Intl

lun. 11/10

8:45 am-11:15 pm

1 stop13h 30m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mer. 11/19

7:34 am-6:55 pm

1 stop12h 21m

San José Juan Santamaria Intl

lun. 11/24

4:08 am-10:03 pm

1 stop16h 55m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 12/2

2:44 pm-7:10 am

1 stop17h 26m

San José Juan Santamaria Intl

dim. 12/7

4:08 am-10:40 pm

1 stop17h 32m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

jeu. 11/13

7:34 am-6:55 pm

1 stop12h 21m

San José Juan Santamaria Intl

dim. 11/16

4:08 am-10:03 pm

1 stop16h 55m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 19 results
1
2

Compare providers for flights from Boston to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to San José in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-San José flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-San José flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Boston-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-San José flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to San José

How far ahead should I book a flight from Boston to San José?

Use this chart to determine the optimal time to book a round-trip flight from Boston to San José. Price data was last updated on October 24, 2025.

The price you pay for your flight from Boston to San José may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to San José?

Currently, September is the cheapest month in which you can book a flight from Boston to San José (average of $212). Flying from Boston to San José in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SJO?

Find hourly flight availability from Boston to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 30, 2025.

One of the essential ways to save on airfare from Boston to San José is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Boston to San José?

Use this chart to determine the cheapest time to fly round-trip from Boston to San José. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to San José flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated octobre 30, 2025.
Get a feel of what it's like to fly with Copa Airlines, United Airlines, and American Airlines from Boston to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
United Airlines
7.4
Good
8,998 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
American Airlines
7.2
Good
11,035 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
JetBlue
7.2
Good
2,906 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Spirit Airlines
6.3
Okay
8,116 reviews
Copa Airlines
7.6
Good
1,561 reviews

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

Find useful and relevant information for your journey from Boston to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to San José?

    Airlines like United Airlines and JetBlue fly from Boston to San José in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 1h 33m. Airlines will cover a distance of 2373 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to San José round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San José, with prices starting at $221. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Frontier, with the lowest prices starting at $275 and $297, respectively. These flights start at 57% lower than the current average price 3 months from now.

  • Where are the most common layover locations when flying from Boston to San José?

    The most popular layover on flights from Boston to San José is Fort Lauderdale. Boston to San José flights stop in Miami the next most. Panama City sees the third most layovers on flights from Boston to San José.

  • What are some popular things to do or see while on a layover in Fort Lauderdale?

    Fort Lauderdale travelers tend to visit Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park more than anywhere else. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park are located about 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Travelers in need of a car in Fort Lauderdale can rent one for about $21 per day.

  • What are some popular points of interest to see during a layover in Miami?

    Most Miami visitors opt to spend their time at Kaseya Center, Bayfront Park, and Wynwood Art District. Kaseya Center, Bayfront Park, and Wynwood Art District are located about 6.2 mi, 6.4 mi, and 5.5 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $21.

  • What are points of interest worth seeing during a layover in Panama City?

    If you're on a layover in Panama City and looking for things to do, consider visiting Panama Old Cathedral, Amador Causeway, or Panama Canal. Travelers on a layover in Panama City can visit Panama Old Cathedral, Amador Causeway, and Panama Canal, by traveling 13.2 mi, 14.7 mi, and 15.1 mi, respectively after landing at Panama City Tocumen Intl. Travelers can book a car rental at Panama City Tocumen Intl for about $12 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Boston to San José flights?

    Boston to San José flights that have layovers will least frequently stop in Charlotte. Orlando sees the next fewest layovers on Boston to San José flights. San Salvador comes next as the third least popular layover location for Boston to San José flights.

  • Can I find deals for flights from Boston to San José that include hotel bookings?

    Yes. In addition to deals on Boston to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San José.

  • Can I find deals for business class flights from Boston to San José?

    Yes. Cheapflights offers flight deals from Boston to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San José?

    Currently, September is the cheapest month in which you can book a flight from Boston to San José (average of $212). Flying from Boston to San José in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó
Dominical

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Boston to San José

Discover the top 9 airlines that operate flights from Boston to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$221Average$421FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$275Average$553FlexibilityNo cancel feeOn-time70%
FrontierCheapest$297Average$649FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$307Average$527FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$333Average$582FlexibilityNo cancel feeOn-time71%
AviancaCheapest$334Average$564FlexibilityNo cancel feeOn-time71%
DeltaCheapest$344Average$488FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$378Average$633FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$590Average$831FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.