How long is the flight from San José to Boston?

A quick flight from San José to Boston can take about 12h 18m. Copa Airlines provides one of the quickest options available for as low as C$ 527. San José and Boston are separated by a distance of 3819 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 mm per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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

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

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

Yes. In addition to deals on San José to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Boston.

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

Yes. Cheapflights offers flight deals from San José to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 312+ Cheap Flights from San José to Boston

Cheap flight deals from San José to Boston

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from San José to Boston
Explore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Wed 28/108:44 a.m. -

1 stop12h 18m

Wed 4/112:50 p.m. -

1 stop18h 29m

Deal found 6/10C$ 527

Sun 25/107:45 a.m. -

2 stops24h 33m

Thu 29/101:32 p.m. -

1 stop22h 53m

Deal found 6/10C$ 531

Wed 28/106:05 p.m. -

1 stop26h 57m

Mon 2/112:50 p.m. -

1 stop21h 09m

Deal found 2/10C$ 543

Fri 6/118:45 a.m. -

2 stops15h 01m

Wed 11/115:17 p.m. -

1 stop19h 08m

Deal found 6/10C$ 544

Wed 28/101:25 p.m. -

2 stops18h 53m

Wed 4/113:01 p.m. -

2 stops21h 24m

Deal found 6/10C$ 551

Mon 26/1010:03 a.m. -

1 stop10h 59m

Sun 1/117:41 a.m. -

1 stop24h 21m

Deal found 6/10C$ 557

Sat 21/112:15 p.m. -

1 stop27h 42m

Wed 25/116:00 a.m. -

3 stops30h 25m

Deal found 5/10C$ 558

Tue 27/1010:28 p.m. -

2 stops16h 56m

Fri 30/108:25 p.m. -

1 stop17h 23m

Deal found 6/10C$ 561

Wed 21/106:05 p.m. -

1 stop26h 57m

Tue 24/112:50 p.m. -

1 stop21h 09m

Deal found 5/10C$ 573

Thu 12/1111:28 p.m. -

1 stop16h 59m

Wed 18/115:30 a.m. -

2 stops15h 23m

Deal found 2/10C$ 578

Sat 10/107:55 a.m. -

2 stops24h 37m

Sat 24/105:00 p.m. -

2 stops19h 25m

Deal found 6/10C$ 581

Find flight deals from San José to Boston

Round-trip from	C$ 527
One-way from	C$ 312
Popular in	July
Cheapest in	January
Average price	C$ 531

Copa Airlines
28/10-3/11
2 total stops
33h 27m total
San José to Boston

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JetBlue
4/12-31/12
1 total stop
10h 27m total
San José to Boston

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (C$ 202 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Fri 13/11

12:35 p.m.-12:25 p.m.

1 stop22h 50m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 320

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Fri 13/11

7:00 a.m.-11:22 p.m.

1 stop15h 22m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 320

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Thu 12/11

7:00 a.m.-11:22 p.m.

1 stop15h 22m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 320

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Thu 3/12

12:50 p.m.-12:17 a.m.

1 stop10h 27m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 326

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Tue 8/12

11:28 p.m.-5:55 p.m.

2 stops17h 27m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 335

Quickest round-trip

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Sun 1/11

2:25 p.m.-1:20 a.m.

1 stop9h 55m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 335

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Thu 3/12

2:25 p.m.-3:53 p.m.

2 stops24h 28m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 348

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Sun 1/11

8:45 a.m.-12:46 a.m.

2 stops15h 01m

Boston Logan Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 348

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Tue 1/12

5:53 p.m.-10:02 p.m.

1 stop27h 09m

Boston Logan Intl

Wed 3/3

2:46 p.m.-1:44 p.m.

1 stop23h 58m

C$ 527

San JoséBoston

SJO San José Juan Santamaria Intl - BOS Boston Logan Intl

SJOBOS

San José Juan Santamaria Intl

Sun 25/10

7:45 a.m.-10:18 a.m.

2 stops24h 33m

Boston Logan Intl

Thu 29/10

1:29 p.m.-10:25 a.m.

2 stops22h 56m

C$ 531

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from San José to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San José with our price prediction graph.

SJO-BOS

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 San José to Boston

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

To ensure you get the cheapest price possible for a flight from San José to Boston, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San José to Boston (average of C$ 454). Flying from San José to Boston in July is currently the most expensive (average of C$ 762). 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 San José to Boston?

Airfare is typical for this route at the moment.

San José to Boston flights typically cost between C$ 476 and C$ 635 in October.
The cheapest round-trip price found within the last 5 days was C$ 527 on Copa Airlines (28 Oct-4 Nov).

Related info for your journey

How long is the flight from San José to Boston?
A quick flight from San José to Boston can take about 12h 18m. Copa Airlines provides one of the quickest options available for as low as C$ 527. San José and Boston are separated by a distance of 3819 km. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from San José to Boston that include hotel bookings?
Yes. In addition to deals on San José to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San José to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Boston.
Can I find deals for business class flights from San José to Boston?
Yes. Cheapflights offers flight deals from San José to Boston 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 San José to Boston?
Currently, January is the cheapest month in which you can book a flight from San José to Boston (average of C$ 454). Flying from San José to Boston in July is currently the most expensive (average of C$ 762). 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

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When you search for this flight from San José to Boston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 San José to Boston.

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

Yes! Cheapflights helps users easily find flights from San José to Boston with no change fees.

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

Yes! Start tracking prices for San José to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from San José to Boston from C$ 312

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San José to Boston

Cheapest flights from San José to BostonExplore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from San José to BostonDiscover carefully curated flight deals from San José to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from San José to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from San José to BostonDiscover last-minute flight deals from San José to Boston. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from San José to Boston. Data last updated 6 October 2026 and is based on user searches.

One-way flights from San José to BostonSearch for one-way flight options from San José to Boston. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from San José to Boston. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from San José to Boston

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Cheapflights Fare Finder

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

Best time to book a flight from San José to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San José with our price prediction graph.

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from San José to Boston, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

How much does it cost to fly round-trip from San José to Boston?

Airfare is typical for this route at the moment.

San José to Boston flights typically cost between C$ 476 and C$ 635 in October.The cheapest round-trip price found within the last 5 days was C$ 527 on Copa Airlines (28 Oct-4 Nov).

Related info for your journey

How long is the flight from San José to Boston?

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

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

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

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

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San José and Boston flights

Browse other San José and Boston flight options. Last updated on 6 October 2026.

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

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

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

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

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Cheapest flights from San José to Boston
Explore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from San José to Boston
Discover carefully curated flight deals from San José to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from San José to Boston
Discover last-minute flight deals from San José to Boston. Data last updated 6 October 2026 and is based on user searches.

One-way flights from San José to Boston
Search for one-way flight options from San José to Boston. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

San José to Boston flights typically cost between C$ 476 and C$ 635 in October.
The cheapest round-trip price found within the last 5 days was C$ 527 on Copa Airlines (28 Oct-4 Nov).