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Cheap flights from Boston to San José from $130

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 5/10. 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.
Copa Airlines Logo
3:46 pm - 8:20 am
BOS
-
SJO
18h 34m
1 stop
Copa Airlines Logo
5:46 am - 11:09 pm
SJO
-
BOS
15h 23m
1 stop
$306Copa Airlines
Tue, Apr 14 - Tue, Apr 21
Copa Airlines Logo
3:46 pm - 7:08 am
BOS
-
SJO
17h 22m
1 stop
Copa Airlines Logo
5:56 pm - 2:31 pm
SJO
-
BOS
18h 35m
1 stop
$308Copa Airlines
Wed, Apr 8 - Mon, Apr 13
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
5:05 am - 2:50 pm
SJO
-
BOS
7h 45m
1 stop
$309Avianca
Fri, May 1 - Sun, May 17
Copa Airlines Logo
3:46 pm - 9:05 am
BOS
-
SJO
19h 19m
1 stop
Copa Airlines Logo
6:19 pm - 2:31 pm
SJO
-
BOS
18h 12m
1 stop
$310Copa Airlines
Tue, Apr 7 - Mon, Apr 13
Copa Airlines Logo
3:46 pm - 4:47 pm
BOS
-
SJO
27h 01m
3 stops
Copa Airlines Logo
5:47 am - 11:08 pm
SJO
-
BOS
15h 21m
1 stop
$311Copa Airlines
Thu, Apr 30 - Thu, May 7
Copa Airlines Logo
4:05 pm - 7:05 am
BOS
-
SJO
17h 00m
1 stop
Copa Airlines Logo
10:04 am - 11:09 pm
SJO
-
BOS
11h 05m
1 stop
$314Copa Airlines
Tue, Mar 24 - Wed, Apr 1
Copa Airlines Logo
3:46 pm - 9:05 am
BOS
-
SJO
19h 19m
1 stop
Copa Airlines Logo
9:17 am - 2:31 pm
SJO
-
BOS
27h 14m
3 stops
$315Copa Airlines
Thu, Apr 9 - Mon, Apr 13
Copa Airlines Logo
3:46 pm - 7:08 am
BOS
-
SJO
17h 22m
1 stop
Copa Airlines Logo
5:56 pm - 2:31 pm
SJO
-
BOS
18h 35m
1 stop
$317Copa Airlines
Thu, Apr 9 - Sun, Apr 12
American Airlines Logo
8:45 am - 7:07 pm
BOS
-
SJO
12h 22m
1 stop
American Airlines Logo
12:35 pm - 11:07 pm
SJO
-
BOS
8h 32m
1 stop
$318American Airlines
Wed, May 6 - Thu, May 14
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
7:45 pm - 2:50 pm
SJO
-
BOS
17h 05m
1 stop
$319Avianca
Mon, May 11 - Sat, May 16

Avianca flights from Boston to San José

Our best Avianca deals on Boston to San José flight tickets
Avianca
May 1
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
May 17
SJO5:05 amSan José Juan Santamaria Intl
7h 45m
1 stop
BOS2:50 pmBoston Logan Intl
$309
Avianca
May 11
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
May 16
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$319
Avianca
May 1
BOS4:50 pmBoston Logan Intl
17h 55m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
May 7
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$328

JetBlue flights from Boston to San José

Our best JetBlue deals on Boston to San José flight tickets
JetBlue
Mar 29
BOS6:20 amBoston Logan Intl
8h 12m
1 stop
SJO12:32 pmSan José Juan Santamaria Intl
Apr 7
SJO1:00 pmSan José Juan Santamaria Intl
9h 17m
1 stop
BOS12:17 amBoston Logan Intl
$315
JetBlue
May 5
BOS2:55 pmBoston Logan Intl
9h 19m
1 stop
SJO10:14 pmSan José Juan Santamaria Intl
May 14
SJO12:55 pmSan José Juan Santamaria Intl
9h 19m
1 stop
BOS12:14 amBoston Logan Intl
$354
JetBlue
May 12
BOS11:40 amBoston Logan Intl
12h 34m
1 stop
SJO10:14 pmSan José Juan Santamaria Intl
May 13
SJO12:40 pmSan José Juan Santamaria Intl
9h 16m
1 stop
BOS11:56 pmBoston Logan Intl
$356

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 March 15, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 4/14

3:46 pm-8:20 am

1 stop18h 34m

San José Juan Santamaria Intl

Tue 4/21

5:46 am-11:09 pm

1 stop15h 23m

$306

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 4/8

3:46 pm-7:08 am

1 stop17h 22m

San José Juan Santamaria Intl

Mon 4/13

5:56 pm-2:31 pm

1 stop18h 35m

$308
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/1

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sun 5/17

5:05 am-2:50 pm

1 stop7h 45m

$309

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 4/7

3:46 pm-9:05 am

1 stop19h 19m

San José Juan Santamaria Intl

Mon 4/13

6:19 pm-2:31 pm

1 stop18h 12m

$310

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/30

3:46 pm-4:47 pm

3 stops27h 01m

San José Juan Santamaria Intl

Thu 5/7

5:47 am-11:08 pm

1 stop15h 21m

$311

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 3/24

4:05 pm-7:05 am

1 stop17h 00m

San José Juan Santamaria Intl

Wed 4/1

10:04 am-11:09 pm

1 stop11h 05m

$314

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/9

3:46 pm-9:05 am

1 stop19h 19m

San José Juan Santamaria Intl

Mon 4/13

9:17 am-2:31 pm

3 stops27h 14m

$315

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/9

3:46 pm-7:08 am

1 stop17h 22m

San José Juan Santamaria Intl

Sun 4/12

5:56 pm-2:31 pm

1 stop18h 35m

$317

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 5/6

8:45 am-7:07 pm

1 stop12h 22m

San José Juan Santamaria Intl

Thu 5/14

12:35 pm-11:07 pm

1 stop8h 32m

$318

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/11

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sat 5/16

7:45 pm-2:50 pm

1 stop17h 05m

$319

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 $347. 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 $383.

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 $458 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 $363 on momondo.

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

As of March 2026, prices for Boston to San José flights are approximately 30% 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 48m

Direct flights

None
The fastest flight from Boston to San José takes 7h 48m
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 48m 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
DeltaPriceFrom $137Free CancellationRating
7.9
8,292 reviews
Search Delta flights
Spirit AirlinesPriceFrom $145Free CancellationRating
6.3
8,519 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $181Free CancellationRating
7.5
1,568 reviews
Search Copa Airlines flights
AviancaPriceFrom $236Free CancellationRating
6.5
2,498 reviews
Search Avianca flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,428 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
GOLPriceFrom $302Free CancellationRating
7.3
1,193 reviews
Search GOL flights
FrontierPriceFrom $351Free CancellationRating
5.7
3,030 reviews
Search Frontier flights
SouthwestPriceFrom $404Free CancellationRating
8.0
4,318 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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