How long is the flight from Boston to San José?

For as low as £336, JetBlue can have you in San José from Boston in 7h 39m. Boston and San José are separated by a distance of 2373 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in San José ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

What is the cheapest time of day to fly from BOS to SJO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to San José as you normally would.

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 holiday 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.

£127+ Cheap Flights from Boston to San José

Cheap flight deals from Boston to San José

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 12 September 2026.

Wed 28/1009:30 -

2 stops11h 23m

Fri 6/1112:35 -

1 stop9h 50m

Deal found 7/9£286

Wed 14/1015:55 -

1 stop17h 15m

Wed 21/1004:08 -

1 stop16h 54m

Deal found 7/9£288

Fri 18/1205:30 -

1 stop7h 20m

Tue 29/1212:50 -

1 stop10h 27m

Deal found 7/9£296

Tue 17/1105:30 -

1 stop9h 29m

Thu 19/1115:05 -

1 stop8h 17m

Deal found 9/9£298

Wed 16/915:55 -

1 stop19h 09m

Wed 23/910:03 -

1 stop26h 26m

Deal found 11/9£299

Wed 28/1010:30 -

1 stop10h 23m

Sat 7/1114:15 -

1 stop8h 44m

Deal found 10/9£300

Sun 18/1008:47 -

1 stop24h 23m

Sat 24/1017:55 -

1 stop27h 07m

Deal found 10/9£301

Tue 27/1019:15 -

1 stop18h 45m

Mon 9/1114:37 -

1 stop18h 13m

Deal found 7/9£314

Wed 2/1211:00 -

1 stop9h 53m

Wed 16/1208:45 -

2 stops14h 14m

Deal found 12/9£318

Sat 5/1205:45 -

1 stop9h 03m

Mon 7/1215:05 -

1 stop8h 12m

Deal found 9/9£320

Find flight deals from Boston to San José

Round-trip from	£286
One-way from	£127
Popular in	December
Cheapest in	October
Average price	£314

Delta
16/11-23/11
2 total stops
27h 21m total
Boston to San José

Search Deals

Delta
28/10-31/12
1 total stop
8h 30m total
Boston to San José

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 28/10

05:30-12:00

1 stop8h 30m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£127

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 4/11

17:17-11:25

1 stop19h 08m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£135

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 23/2

09:50-20:39

1 stop11h 49m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£140

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 28/10

06:00-19:39

2 stops15h 39m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£177

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 16/2

09:35-12:15

1 stop27h 40m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£187

Fastest return journey

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 30/9

05:30-11:54

1 stop8h 24m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£197

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 14/10

08:05-19:37

2 stops37h 32m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£198

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 20/10

17:01-19:37

2 stops28h 36m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£204

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 13/10

10:36-12:21

2 stops27h 45m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£204

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Fri 20/11

05:45-13:48

1 stop9h 03m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£207

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 23 resultsSorted by cheapest first

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.

BOS-SJO

Estimated return 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?

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 £272). Flying from Boston to San José in December is currently the most expensive (average of £473). 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 for a return flight from Boston to San José?

Airfare is typical for this route at the moment.

Boston to San José flights typically cost between £269 and £401 in October.
The cheapest return price found within the last 5 days was £286 on Delta (28 Oct–3 Nov).

Related info for your journey

How long is the flight from Boston to San José?
For as low as £336, JetBlue can have you in San José from Boston in 7h 39m. Boston and San José are separated by a distance of 2373 mi. This flight may include one or multiple stops.
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 holiday 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 £272). Flying from Boston to San José in December is currently the most expensive (average of £473). 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

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Direct flights to Costa Rica

Flights by cabin class

Other flight options

Other flights from Boston

Popular flights

San José flight routes

Complete your trip

San José Juan Santamaria Intl Airport car hire

Liberia car hire

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to San José?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San José. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to San José?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to San José.

Can Cheapflights find flights from Boston to San José with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to San José, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to San José become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Boston to San José from £127

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to San José

Cheapest flights from Boston to San JoséExplore 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 12 September 2026.

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 12 September 2026.

Best flights from Boston to San JoséDiscover carefully curated flight deals from Boston to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Boston to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Boston to San JoséDiscover last-minute flight deals from Boston to San José. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Boston to San José. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Boston to San JoséSearch for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Boston to San José

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to San José that are best for you.

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.

Cheapflights Insights

How far ahead should I book a flight from Boston to San José?

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to San José?

How much does it cost for a return flight from Boston to San José?

Airfare is typical for this route at the moment.

Boston to San José flights typically cost between £269 and £401 in October.The cheapest return price found within the last 5 days was £286 on Delta (28 Oct–3 Nov).

Related info for your journey

How long is the flight from Boston to San José?

Can I find deals for flights from Boston to San José that include hotel bookings?

How can I find direct flights from Boston to San José?

Can I find deals for business class flights from Boston to San José?

What is the cheapest month to book a flight from Boston to San José?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to San José by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Costa Rica

Book a non-stop flight to one of these other cities located in Costa Rica.

Search flights from Boston to San José by cabin class

Find flights from Boston to San José, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boston and San José flights

Browse other Boston and San José flight options. Last updated on 12 September 2026.

Other flights from Boston

Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San José

Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2026.

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to San José?

Why should you use Cheapflights to find cheap flight tickets from Boston to San José?

Can Cheapflights find flights from Boston to San José with no change fees?

Can Cheapflights notify me if prices for flights from Boston to San José become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 12 September 2026.

Best flights from Boston to San José
Discover carefully curated flight deals from Boston to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Boston to San José
Discover last-minute flight deals from Boston to San José. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Boston to San José
Search for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Boston to San José flights typically cost between £269 and £401 in October.
The cheapest return price found within the last 5 days was £286 on Delta (28 Oct–3 Nov).