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Cheap flights from Boston to San José from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San José departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:27 am - 12:22 pm
BOS
-
SJO
7h 55m
1 stop
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$279Spirit Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
3:54 pm - 11:25 am
BOS
-
SJO
20h 31m
2 stops
Multiple Airlines Logo
12:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$280Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Copa Airlines Logo
3:07 pm - 7:06 am
BOS
-
SJO
16h 59m
1 stop
Copa Airlines Logo
5:50 am - 10:10 pm
SJO
-
BOS
15h 20m
1 stop
$281Copa Airlines
Thu, Feb 26 - Fri, Mar 6
Spirit Airlines Logo
6:10 pm - 12:22 pm
BOS
-
SJO
19h 12m
1 stop
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$282Spirit Airlines
Sun, Mar 1 - Wed, Mar 4
Spirit Airlines Logo
6:10 pm - 11:40 am
BOS
-
SJO
18h 30m
2 stops
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$283Spirit Airlines
Mon, Feb 23 - Wed, Mar 4
JetBlue Logo
9:00 am - 4:23 pm
BOS
-
SJO
8h 23m
1 stop
JetBlue Logo
1:15 pm - 11:59 pm
SJO
-
BOS
9h 44m
1 stop
$284JetBlue
Mon, Feb 9 - Fri, Feb 13
Multiple Airlines Logo
6:10 pm - 3:20 pm
BOS
-
SJO
22h 10m
2 stops
Multiple Airlines Logo
12:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$285Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Copa Airlines Logo
3:07 pm - 4:46 pm
BOS
-
SJO
26h 39m
3 stops
Copa Airlines Logo
11:01 am - 10:10 pm
SJO
-
BOS
10h 09m
1 stop
$286Copa Airlines
Thu, Feb 26 - Thu, Mar 5
Spirit Airlines Logo
5:27 am - 12:22 pm
BOS
-
SJO
7h 55m
1 stop
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$287Spirit Airlines
Mon, Feb 23 - Thu, Mar 5
Spirit Airlines Logo
6:10 pm - 11:40 am
BOS
-
SJO
18h 30m
2 stops
Spirit Airlines Logo
12:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$288Spirit Airlines
Mon, Mar 2 - Tue, Mar 10

Copa Airlines flights from Boston to San José

Our best Copa Airlines deals on Boston to San José flight tickets
Copa Airlines
Feb 26
BOS7:31 amBoston Logan Intl
12h 31m
1 stop
SJO7:02 pmSan José Juan Santamaria Intl
Mar 6
SJO5:50 amSan José Juan Santamaria Intl
15h 20m
1 stop
BOS10:10 pmBoston Logan Intl
$281
Copa Airlines
Feb 5
BOS3:07 pmBoston Logan Intl
26h 39m
3 stops
SJO4:46 pmSan José Juan Santamaria Intl
Feb 12
SJO8:11 amSan José Juan Santamaria Intl
12h 52m
1 stop
BOS10:03 pmBoston Logan Intl
$286
Copa Airlines
Feb 19
BOS3:07 pmBoston Logan Intl
18h 14m
1 stop
SJO8:21 amSan José Juan Santamaria Intl
Feb 27
SJO5:50 amSan José Juan Santamaria Intl
15h 13m
1 stop
BOS10:03 pmBoston Logan Intl
$289

American Airlines flights from Boston to San José

Our best American Airlines deals on Boston to San José flight tickets
American Airlines
Feb 3
BOS2:43 pmBoston Logan Intl
8h 47m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Feb 6
SJO6:38 amSan José Juan Santamaria Intl
9h 42m
1 stop
BOS5:20 pmBoston Logan Intl
$279
American Airlines
Feb 3
BOS11:10 amBoston Logan Intl
12h 20m
2 stops
SJO10:30 pmSan José Juan Santamaria Intl
Feb 6
SJO6:38 amSan José Juan Santamaria Intl
14h 17m
1 stop
BOS9:55 pmBoston Logan Intl
$287
American Airlines
Mar 3
BOS9:57 amBoston Logan Intl
11h 15m
2 stops
SJO8:12 pmSan José Juan Santamaria Intl
Mar 10
SJO7:00 amSan José Juan Santamaria Intl
10h 19m
2 stops
BOS7:19 pmBoston Logan Intl
$304

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/18

5:27 am-12:22 pm

1 stop7h 55m

San José Juan Santamaria Intl

Wed 2/25

1:31 pm-11:44 pm

1 stop9h 13m

$279

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/4

3:54 pm-11:25 am

2 stops20h 31m

San José Juan Santamaria Intl

Wed 3/11

12:31 pm-11:44 pm

1 stop9h 13m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

3:07 pm-7:06 am

1 stop16h 59m

San José Juan Santamaria Intl

Fri 3/6

5:50 am-10:10 pm

1 stop15h 20m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/1

6:10 pm-12:22 pm

1 stop19h 12m

San José Juan Santamaria Intl

Wed 3/4

1:31 pm-11:44 pm

1 stop9h 13m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/23

6:10 pm-11:40 am

2 stops18h 30m

San José Juan Santamaria Intl

Wed 3/4

1:31 pm-11:44 pm

1 stop9h 13m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/9

9:00 am-4:23 pm

1 stop8h 23m

San José Juan Santamaria Intl

Fri 2/13

1:15 pm-11:59 pm

1 stop9h 44m

$284

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/4

6:10 pm-3:20 pm

2 stops22h 10m

San José Juan Santamaria Intl

Wed 3/11

12:31 pm-11:44 pm

1 stop9h 13m

$285

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

11:01 am-10:10 pm

1 stop10h 09m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/23

5:27 am-12:22 pm

1 stop7h 55m

San José Juan Santamaria Intl

Thu 3/5

1:31 pm-11:44 pm

1 stop9h 13m

$287

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 3/2

6:10 pm-11:40 am

2 stops18h 30m

San José Juan Santamaria Intl

Tue 3/10

12:31 pm-11:44 pm

1 stop9h 13m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San José from

How to get the cheapest flight ticket from Boston to San José

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San José?

In general, October is the cheapest month to fly from Boston to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $386. If you don’t want to visit San José in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $389.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $482 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Boston for as low as $410 on momondo.

How have Boston to San José flight prices changed over time?

As of January 2026, prices for Boston to San José flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to San José (BOS to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San José

Fastest flight time

7h 24m

Direct flights

None
The fastest flight from Boston to San José takes 7h 24m
There are no direct flights from Boston to San José. There are no popular flight routes from Boston to San José.
Search flight deals

  • How far is Boston Logan Intl to San José Juan Santamaria Intl by plane?

    San José Juan Santamaria Intl is 2373.8 mi away from Boston Logan Intl. Typically, this will take 7h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Boston Logan Intl Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to San José?

Best airlines flying from Boston to San José

Compare and see reviews for airlines that fly from Boston to San José with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $162Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $211Free CancellationRating
7.5
1,560 reviews
Search Copa Airlines flights
AviancaPriceFrom $236Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
FrontierPriceFrom $264Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
American AirlinesPriceFrom $305Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
DeltaPriceFrom $320Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $441Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
San Gerardo de Dota
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San José?

Finding the right flight to San José from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San José quick and easy, saving you time and money.

Can I find flights from Boston to San José with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San José from Boston with this policy.

How can momondo help me find flights from Boston to San José?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San José from Boston.

I’m not ready to book a flight from Boston to San José right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

An easier way to manage your San José trip

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