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San José

$122+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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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 January 19, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$281
(American Airlines)

One-way from

$122
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$446
Provider with most accurate pricing for Boston Logan Intl-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San José Juan Santamaria Intl flights.
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From Boston Logan Intl to San José Juan Santamaria Intl
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One-way flight from Boston Logan Intl to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This American Airlines deal was found by Cheapflights users on 1/17. 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 3/106:30 am
BOS
-
SJO
1 stop14h 42m
American Airlines
Tue 3/176:00 am
SJO
-
BOS
1 stop16h 05m
American Airlines
Deal found 1/17$281
This Copa Airlines deal was found by Cheapflights users on 1/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:31 am
BOS
-
SJO
1 stop15h 21m
Copa Airlines
Wed 3/410:08 am
SJO
-
BOS
1 stop11h 02m
Copa Airlines
Deal found 1/18$283
This American Airlines deal was found by Cheapflights users on 1/18. 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 1/227:00 am
BOS
-
SJO
1 stop16h 30m
American Airlines
Sat 1/247:09 am
SJO
-
BOS
1 stop12h 36m
American Airlines
Deal found 1/18$286
This Copa Airlines deal was found by Cheapflights users on 1/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:05 pm
BOS
-
SJO
3 stops26h 41m
Copa Airlines
Mon 3/95:50 am
SJO
-
BOS
1 stop15h 20m
Copa Airlines
Deal found 1/18$288
This Cheapflightsfares deal was found by Cheapflights users on 1/17. 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 2/255:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Wed 5/1312:31 pm
SJO
-
BOS
1 stop9h 28m
Spirit Airlines
Deal found 1/17$290
This American Airlines deal was found by Cheapflights users on 1/17. 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.
Wed 1/2811:10 am
BOS
-
SJO
2 stops12h 20m
American Airlines
Sun 2/17:09 am
SJO
-
BOS
1 stop12h 36m
American Airlines
Deal found 1/17$291
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 2/245:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Fri 3/61:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 1/18$292
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 2/255:50 pm
BOS
-
SJO
2 stops26h 05m
Multiple Airlines
Wed 3/41:31 pm
SJO
-
BOS
1 stop9h 13m
Multiple Airlines
Deal found 1/16$293
This Copa Airlines deal was found by Cheapflights users on 1/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:44 am
BOS
-
SJO
1 stop12h 17m
Copa Airlines
Thu 4/210:04 am
SJO
-
BOS
1 stop11h 05m
Copa Airlines
Deal found 1/18$294
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Mon 2/25:53 pm
BOS
-
SJO
3 stops30h 47m
Multiple Airlines
Thu 2/121:31 pm
SJO
-
BOS
1 stop9h 13m
Multiple Airlines
Deal found 1/18$295
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/245:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Thu 3/51:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 1/17$296
This Copa Airlines deal was found by Cheapflights users on 1/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:07 pm
BOS
-
SJO
3 stops26h 39m
Copa Airlines
Thu 2/128:11 am
SJO
-
BOS
1 stop12h 52m
Copa Airlines
Deal found 1/17$297

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 January 19, 2026.
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

Tue 2/10

3:07 pm-9:52 pm

1 stop7h 45m

San José Juan Santamaria Intl

Tue 2/17

8:11 am-10:03 pm

1 stop12h 52m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/5

3:07 pm-7:06 am

1 stop16h 59m

San José Juan Santamaria Intl

Thu 2/12

8:11 am-10:03 pm

1 stop12h 52m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 3/5

3:05 pm-9:05 am

1 stop19h 00m

San José Juan Santamaria Intl

Mon 3/9

8:11 am-11:10 pm

1 stop12h 59m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/18

7:31 am-7:02 pm

1 stop12h 31m

San José Juan Santamaria Intl

Thu 2/26

10:08 am-10:03 pm

1 stop10h 55m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/18

7:31 am-9:52 pm

1 stop15h 21m

San José Juan Santamaria Intl

Wed 3/4

10:08 am-10:10 pm

1 stop11h 02m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

3:07 pm-4:46 pm

3 stops26h 39m

San José Juan Santamaria Intl

Wed 3/4

5:50 am-10:10 pm

1 stop15h 20m

$288

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 1/26

11:42 am-8:39 pm

1 stop9h 57m

San José Juan Santamaria Intl

Sat 1/31

8:45 am-9:38 pm

2 stops11h 53m

$292

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/18

8:44 am-6:55 pm

1 stop12h 11m

San José Juan Santamaria Intl

Thu 4/2

10:04 am-11:09 pm

1 stop11h 05m

$294

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 3/17

4:05 pm-7:05 am

1 stop17h 00m

San José Juan Santamaria Intl

Mon 3/23

4:09 am-11:10 pm

1 stop17h 01m

$294

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 3/16

4:05 pm-7:05 am

1 stop17h 00m

San José Juan Santamaria Intl

Mon 3/23

11:01 am-11:10 pm

1 stop10h 09m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 20 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*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 January 16, 2026.

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 36 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, November is the cheapest month in which you can book a flight from Boston to San José (average of $194). Flying from Boston to San José in August is currently the most expensive (average of $321). 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.

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 January 19, 2026.
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
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
Copa Airlines
7.6
Good
1,560 reviews
Copa Airlines
7.6
Good
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
United Airlines
7.4
Good
9,177 reviews
Copa Airlines
7.6
Good
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
American Airlines
7.2
Good
11,160 reviews
Copa Airlines
7.6
Good
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
JetBlue
7.2
Good
2,891 reviews
Copa Airlines
7.6
Good
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
Spirit Airlines
6.3
Okay
8,348 reviews
Copa Airlines
7.6
Good
1,560 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing

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 Copa Airlines fly from Boston to San José in about 7h 45m. 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 $162. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and United Airlines, with the lowest prices starting at $224 and $243, respectively. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to San José one-way?

    One-way options have recently been found by users for as low as $94 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $106 and JetBlue from $109 one-way.

  • 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 $31 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 Bayside Marketplace. Kaseya Center, Bayfront Park, and Bayside Marketplace are located about 6.2 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $33.

  • 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 $15 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, November is the cheapest month in which you can book a flight from Boston to San José (average of $194). Flying from Boston to San José in August is currently the most expensive (average of $321). 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
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

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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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$162Average$408FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$224Average$458FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$243Average$509FlexibilityNo cancel feeOn-time69%
AviancaCheapest$244Average$556FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$251Average$483FlexibilityNo cancel feeOn-time62%
FrontierCheapest$264Average$649FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$306Average$528FlexibilityNo cancel feeOn-time71%
DeltaCheapest$320Average$479FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$441Average$985FlexibilityNo cancel feeOn-time63%

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