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San José

$166+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
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 May 25, 2026.

This Copa Airlines deal was found by Cheapflights users on 5/20. 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 6/114:00 pm
BOS
-
SJO
1 stop17h 09m
Copa Airlines
Mon 6/1510:05 am
SJO
-
BOS
1 stop11h 03m
Copa Airlines
Deal found 5/20$344
This Avianca deal was found by Cheapflights users on 5/20. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:50 pm
BOS
-
SJO
1 stop8h 50m
Avianca
Thu 6/255:05 am
SJO
-
BOS
1 stop7h 45m
Avianca
Deal found 5/20$355
This Delta deal was found by Cheapflights users on 5/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 am
BOS
-
SJO
1 stop8h 11m
Delta
Tue 9/151:25 pm
SJO
-
BOS
1 stop9h 41m
Delta
Deal found 5/22$356
This Copa Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 6/84:00 pm
BOS
-
SJO
1 stop17h 09m
Copa Airlines
Thu 7/94:08 am
SJO
-
BOS
1 stop8h 26m
Copa Airlines
Deal found 5/21$359
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am
BOS
-
SJO
2 stops12h 07m
United Airlines
Wed 9/167:55 am
SJO
-
BOS
2 stops13h 35m
United Airlines
Deal found 5/23$361
This Copa Airlines deal was found by Cheapflights users on 5/22. 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.
Mon 6/14:00 pm
BOS
-
SJO
1 stop24h 04m
Copa Airlines
Tue 6/95:57 pm
SJO
-
BOS
1 stop27h 11m
Copa Airlines
Deal found 5/22$362
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Thu 9/34:50 pm
BOS
-
SJO
1 stop8h 50m
Avianca
Tue 9/85:05 am
SJO
-
BOS
1 stop7h 45m
Avianca
Deal found 5/20$363
This Avianca deal was found by Cheapflights users on 5/24. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:25 pm
BOS
-
SJO
1 stop9h 15m
Avianca
Sun 1/315:00 am
SJO
-
BOS
1 stop7h 50m
Avianca
Deal found 5/24$365
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 5/264:00 pm
BOS
-
SJO
1 stop17h 09m
Copa Airlines
Tue 6/26:19 pm
SJO
-
BOS
1 stop26h 49m
Copa Airlines
Deal found 5/20$366
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 6/104:00 pm
BOS
-
SJO
1 stop17h 09m
Copa Airlines
Wed 6/1710:05 am
SJO
-
BOS
1 stop11h 03m
Copa Airlines
Deal found 5/21$367
This Copa Airlines deal was found by Cheapflights users on 5/20. 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 9/228:47 am
BOS
-
SJO
1 stop25h 32m
Copa Airlines
Sat 10/35:55 pm
SJO
-
BOS
1 stop27h 07m
Copa Airlines
Deal found 5/20$368
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sun 6/74:00 pm
BOS
-
SJO
1 stop18h 21m
Copa Airlines
Sun 6/1410:05 am
SJO
-
BOS
1 stop11h 03m
Copa Airlines
Deal found 5/20$369

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 May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$344
(Copa Airlines)

One-way from

$166
(Delta)

Popular in

December

Cheapest in

October

Average price

$462
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. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 25, 2026.
Use the filters below to find and compare flights from Boston to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 10/7

5:45 am-11:58 am

1 stop8h 13m

San José Juan Santamaria Intl

Thu 10/22

1:23 pm-12:58 am

1 stop9h 35m

$356

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 9/7

8:15 pm-11:56 am

1 stop17h 41m

San José Juan Santamaria Intl

Thu 9/17

1:25 pm-1:06 am

1 stop9h 41m

$356

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 6/10

4:00 pm-8:21 am

1 stop18h 21m

San José Juan Santamaria Intl

Thu 6/18

10:05 am-11:08 pm

1 stop11h 03m

$362

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 7/9

3:57 pm-9:06 am

1 stop19h 09m

San José Juan Santamaria Intl

Wed 7/22

6:17 pm-11:10 pm

1 stop26h 53m

$383

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 7/9

3:57 pm-7:12 am

1 stop17h 15m

San José Juan Santamaria Intl

Tue 7/14

5:55 pm-11:10 pm

1 stop27h 15m

$383

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 7/25

3:57 pm-11:06 am

1 stop21h 09m

San José Juan Santamaria Intl

Thu 7/30

4:08 am-11:10 pm

1 stop17h 02m

$397

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 7/24

3:57 pm-9:06 am

1 stop19h 09m

San José Juan Santamaria Intl

Fri 7/31

4:08 am-2:34 pm

1 stop8h 26m

$412

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 8/3

3:57 pm-10:58 am

1 stop21h 01m

San José Juan Santamaria Intl

Wed 8/12

6:17 pm-11:10 pm

1 stop26h 53m

$429

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 7/8

3:57 pm-7:12 am

1 stop17h 15m

San José Juan Santamaria Intl

Fri 7/17

10:03 am-11:10 pm

1 stop11h 07m

$432

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 11/12

8:15 am-11:25 am

2 stops28h 10m

San José Juan Santamaria Intl

Mon 11/16

8:45 am-11:20 pm

1 stop13h 35m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/24

Showing 1-10 of 21 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust 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 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?

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 15 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, October is the cheapest month in which you can book a flight from Boston to San José (average of $340). Flying from Boston to San José in December is currently the most expensive (average of $636). 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 May 25, 2026.
Get a feel of what it's like to fly with Copa Airlines,United Airlines, andJetBlue 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
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Copa Airlines
7.5
Good
1,576 reviews
Copa Airlines
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
United Airlines
7.4
Good
9,747 reviews
Copa Airlines
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
JetBlue
7.2
Good
2,979 reviews
Copa Airlines
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
American Airlines
7.1
Good
11,628 reviews
Copa Airlines
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Spirit Airlines
6.2
Okay
Copa Airlines
7.5
Good
1,576 reviews

Overall

7.5

Food

6.9

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

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 Delta and Copa Airlines fly from Boston to San José in about 8h 13m. The time it takes to get you to your destination can typically vary by up to 10h 08m. 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 Delta is currently your cheapest option to San José, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Copa Airlines, with the lowest prices starting at $139 and $179, respectively. These flights start at 70% 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 $76 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 Panama City the next most. Miami 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, Las Olas Boulevard, and Fort Lauderdale Beach Park more than anywhere else. Las Olas Beach, Las Olas Boulevard, and Fort Lauderdale Beach Park are located about 4.1 mi, 3.6 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 points of interest worth seeing during a layover in Miami?

    If you're on a layover in Miami and looking for things to do, consider visiting Kaseya Center, Bayside Marketplace, or Bayfront Park. Travelers on a layover in Miami can visit Kaseya Center, Bayside Marketplace, and Bayfront Park, by traveling 6.2 mi, 6.4 mi, and 6.4 mi, respectively after landing at Miami. Travelers can book a car rental at Miami for about $25 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. New York 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, October is the cheapest month in which you can book a flight from Boston to San José (average of $340). Flying from Boston to San José in December is currently the most expensive (average of $636). 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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Alternative routes for Boston to San José

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Liberia flights
Hartford to San José flights
Albany to San José flights
Hartford to Liberia flights

Top 10 airlines flying from Boston to San José

Discover the top 10 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 May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$486FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$141Average$403FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$179Average$378FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$243Average$507FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$251Average$468FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$287Average$520FlexibilityNo cancel feeOn-time71%
AviancaCheapest$309Average$439FlexibilityNo cancel feeOn-time71%
GOLCheapest$316Average$540FlexibilityNo cancel feeOn-time74%
FrontierCheapest$381Average$847FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$470Average$637FlexibilityNo cancel feeOn-time63%

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