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San José

$118+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/256:30 am
BOS
-
SJO
1 stop14h 42m
American Airlines
Wed 5/612:35 pm
SJO
-
BOS
1 stop8h 32m
American Airlines
Deal found 2/3$276
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 2/186:10 pm
BOS
-
SJO
1 stop19h 12m
Spirit Airlines
Tue 4/1411:38 am
SJO
-
BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2$277
This Expedia deal was found by Cheapflights users on 2/2. 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 3/45:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Sat 3/71:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 2/2$278
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Mon 3/911:35 am
SJO
-
BOS
1 stop22h 13m
Spirit Airlines
Deal found 2/3$279
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:43 pm
BOS
-
SJO
1 stop23h 57m
Spirit Airlines
Wed 3/1111:35 am
SJO
-
BOS
1 stop8h 26m
Spirit Airlines
Deal found 2/2$280
This Copa Airlines deal was found by Cheapflights users on 2/2. 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
1 stop16h 59m
Copa Airlines
Wed 2/1110:08 am
SJO
-
BOS
1 stop10h 55m
Copa Airlines
Deal found 2/2$281
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Wed 3/1812:19 pm
SJO
-
BOS
1 stop9h 40m
Spirit Airlines
Deal found 2/3$282
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Thu 3/1211:38 am
SJO
-
BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2$283
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/99:00 am
BOS
-
SJO
1 stop8h 23m
JetBlue
Fri 3/61:10 pm
SJO
-
BOS
1 stop9h 49m
JetBlue
Deal found 2/1$284
This Travelocity deal was found by Cheapflights users on 1/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:27 am
BOS
-
SJO
1 stop7h 55m
Multiple Airlines
Tue 2/247:48 pm
SJO
-
BOS
1 stop12h 57m
Multiple Airlines
Deal found 1/31$285
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/311:10 am
BOS
-
SJO
2 stops12h 20m
American Airlines
Mon 2/96:38 am
SJO
-
BOS
1 stop15h 52m
American Airlines
Deal found 2/1$287

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(American Airlines)

One-way from

$118
(CheapOair)

Popular in

December

Cheapest in

October

Average price

$495
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. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 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

Wed 2/25

7:31 am-6:56 pm

1 stop12h 25m

San José Juan Santamaria Intl

Sun 3/8

5:51 pm-2:42 pm

1 stop18h 51m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 3/2

3:05 pm-8:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Sun 3/8

6:08 pm-2:42 pm

1 stop18h 34m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/19

3:07 pm-7:06 am

1 stop16h 59m

San José Juan Santamaria Intl

Fri 2/27

5:50 am-10:03 pm

1 stop15h 13m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 3/5

7:44 am-7:01 pm

1 stop12h 17m

San José Juan Santamaria Intl

Mon 3/9

4:09 am-11:10 pm

1 stop17h 01m

$281

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

Thu 3/5

5:50 am-10:10 pm

1 stop15h 20m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/1

3:05 pm-4:46 pm

3 stops26h 41m

San José Juan Santamaria Intl

Tue 3/10

4:09 am-2:42 pm

1 stop8h 33m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/1

3:05 pm-4:46 pm

3 stops26h 41m

San José Juan Santamaria Intl

Sun 3/8

5:51 pm-2:42 pm

1 stop18h 51m

$286

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

Tue 3/10

6:08 pm-2:42 pm

1 stop18h 34m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

7:31 am-6:56 pm

1 stop12h 25m

San José Juan Santamaria Intl

Fri 3/6

10:08 am-10:10 pm

1 stop11h 02m

$289

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/1

3:05 pm-8:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Fri 3/6

5:50 am-10:10 pm

1 stop15h 20m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San José flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 30, 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 July is currently the most expensive (average of $306). 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.

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 February 3, 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
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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
9,236 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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
11,218 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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
2,893 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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
8,408 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Crew

8.1

Boarding

7.8

Comfort

7.4

Entertainment

6.8

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 12h 25m. 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 $158. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Avianca, with the lowest prices starting at $211 and $236, respectively. These flights start at 67% 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 $27 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 $28.

  • 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 $14 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 July is currently the most expensive (average of $306). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$158Average$390FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$211Average$438FlexibilityNo cancel feeOn-time70%
AviancaCheapest$236Average$549FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$507FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$251Average$476FlexibilityNo cancel feeOn-time62%
FrontierCheapest$264Average$635FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$301Average$522FlexibilityNo cancel feeOn-time71%
DeltaCheapest$305Average$478FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$441Average$1,060FlexibilityNo cancel feeOn-time63%

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