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San José

$110+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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

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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 November 5, 2025.

This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:45 amBOS - SJO
1 stop7h 40mSpirit Airlines
Wed 12/101:31 pmSJO - BOS
1 stop9h 25mSpirit Airlines
Deal found 11/4$242
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Wed 11/196:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Tue 11/251:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Deal found 11/3$244
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Sat 11/156:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Wed 11/191:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 11/5$246
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Wed 11/191:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 11/4$247
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Sat 12/68:11 pmBOS - SJO
1 stop16h 31mSpirit Airlines
Wed 1/141:19 pmSJO - BOS
1 stop10h 21mSpirit Airlines
Deal found 11/3$248
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Wed 11/126:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Sat 11/221:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Deal found 11/5$251
This JetBlue deal was found by Cheapflights users on 11/5. 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.
Tue 11/116:20 amBOS - SJO
1 stop7h 36mJetBlue
Sat 11/2210:46 amSJO - BOS
1 stop12h 35mJetBlue
Deal found 11/5$252
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Tue 12/25:45 pmBOS - SJO
1 stop17h 34mSpirit Airlines
Tue 12/91:31 pmSJO - BOS
1 stop9h 25mSpirit Airlines
Deal found 11/5$255
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/46:10 pmBOS - SJO
1 stop20h 49mAmerican Airlines
Fri 11/77:00 amSJO - BOS
1 stop15h 05mAmerican Airlines
Deal found 11/4$256
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/111:45 pmBOS - SJO
1 stop9h 43mAmerican Airlines
Wed 12/177:00 amSJO - BOS
1 stop12h 56mAmerican Airlines
Deal found 11/3$257
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 11/186:16 amBOS - SJO
1 stop7h 09mMultiple Airlines
Fri 11/211:20 pmSJO - BOS
2 stops17h 09mMultiple Airlines
Deal found 11/4$258

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 November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$242
(Expedia)

One-way from

$110
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$412
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. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 5, 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

Wed 2/4

9:30 am-8:39 pm

2 stops12h 09m

San José Juan Santamaria Intl

Wed 2/11

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/1

9:29 pm-8:53 am

1 stop12h 24m

San José Juan Santamaria Intl

Thu 1/15

1:45 pm-11:48 pm

1 stop9h 03m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 11/15

7:00 am-8:39 pm

1 stop14h 39m

San José Juan Santamaria Intl

Thu 11/20

11:28 pm-9:14 am

1 stop8h 46m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/22

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

Mon 1/26

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 2/1

11:42 am-8:39 pm

1 stop9h 57m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-6:20 pm

1 stop10h 50m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 2/3

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 1/31

6:00 am-6:16 pm

2 stops13h 16m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-6:20 pm

1 stop10h 50m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 12/7

8:30 pm-8:52 am

1 stop13h 22m

San José Juan Santamaria Intl

Thu 1/15

3:08 pm-12:16 am

1 stop8h 08m

$288

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 3/3

6:00 am-1:00 pm

1 stop8h 00m

San José Juan Santamaria Intl

Mon 3/9

12:10 pm-11:30 pm

1 stop9h 20m

$289

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/2

3:07 pm-7:06 am

1 stop16h 59m

San José Juan Santamaria Intl

Thu 4/30

10:08 am-11:03 pm

1 stop10h 55m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 23 results
1
2
3

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 November.
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 31, 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 $334). 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 November 5, 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.

How much does it cost to fly round-trip from Boston to San José?

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 November 5, 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

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
9,004 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
11,042 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
2,907 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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
8,114 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Food

6.9

Overall

7.6

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 fly from Boston to San José in about 12h 09m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2373 mi.

  • 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 JetBlue, with the lowest prices starting at $277 and $281, 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 $23 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 $23.

  • 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 $9 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 $334). 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

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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$221Average$421FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$277Average$530FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$281Average$522FlexibilityNo cancel feeOn-time62%
FrontierCheapest$297Average$649FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$332Average$582FlexibilityNo cancel feeOn-time71%
AviancaCheapest$333Average$566FlexibilityNo cancel feeOn-time71%
DeltaCheapest$344Average$487FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$362Average$624FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$590Average$897FlexibilityNo cancel feeOn-time63%

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