Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Boston to San José
The cheapest flights right now
Boston – San Jose
Outbound – Nov 16, 2026
1 stop
8h 2m PTY
Return – Nov 22, 2026
1 stop
8h 57m PTY
$593
2 days ago
Boston – San Jose
Outbound – Dec 11, 2026
2 stops
12h 10m LGA
MIA
Return – Dec 30, 2026
1 stop
10h 10m DFW
$801
yesterday
Boston – San Jose
Outbound – Nov 23, 2026
1 stop
8h 2m PTY
Return – Nov 30, 2026
1 stop
18h 17m PTY
$793
yesterday
Boston – San Jose
Outbound – Dec 11, 2026
1 stop
7h 42m CLT
Return – Dec 30, 2026
1 stop
8h 40m MIA
$1,006
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$346
Average price of a round trip
$423
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
19h42
A flight from Boston to San José takes on average 19h42.
Best time
January
According to user searches, the ideal month to go to San José is January.
Tips for finding a cheap flight from Boston to San José
Check out our tips for booking your flight to San José (Costa Rica) from Boston (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $361 (calculation over the last two years). The most touristic season corresponds to the months of July, October and April.
For the cheapest flights, it is advisable to buy your ticket at least 56 days before the departure date.
The airline offering the cheapest flight tickets is Copa Airlines. A ticket from the airline Copa Airlines to San José costs on average $380.
The airlines that offer the most flights are .
Price of flight tickets from Boston to San José
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $346 to $536
- The average price of a flight ticket is about $423
- Prices are lowest for stays in the month of October
- The month in which booking a ticket is cheaper is: November
info departure city :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is a city in the country USA, the time zone is [[timezone]]. In Boston, it is currently {fromLocalTime}, the temperature is on average 10°C, with a minimum of 7°C and a maximum of 14°C.
The city of Boston has 1 airport(s): Boston-Logan
destination info :
San José, Costa Rica
airports :
San José-Juan-Santamaría International Airport (SJO)
San José-Tobías Bolaños Airport (SYQ)
local time :
San José is in the country Costa Rica, the time zone is [[timezone]]. In San José, it is currently {toLocalTime}, the temperature is on average 18°C, with a minimum of 13°C and a maximum of 23°C.
The city of San José has 2 airport(s): San José-Juan-Santamaría and San José-Tobías Bolaños
Useful info about San José
What is the least touristic period to go to San José?
If you want to visit San José during the least touristic period, choose the month of January.
What is the most popular time to travel to San José?
In San José, the most popular month is July. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Boston to San José?
According to our data, it is recommended to book your flight 56 days before your departure. If you book your flight ticket 9 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Boston to San José is Sunday.
What are the arrival and destination airports when traveling between Boston and San José?
When you leave, you can leave from Boston-Logan, and you will arrive at San José-Juan-Santamaría.
How to reach Boston airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Boston to San José?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Boston and San José?
In summer, the average temperature is 20°C in San José and 22°C in Boston. The average rainfall in summer is 548 mm in San José and 106 mm in Boston. In summer, it is warmer in Boston and it rains less in Boston. In winter, it is colder in San José and it rains more in Boston.
