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Cheap flights from Boston to San José from $73

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 9/13. 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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Find the cheapest flights from Boston to San José

Cheap round-trip flights

Spirit Airlines Logo
6:10 am - 11:14 amBOS-SJO
7h 04m1 stop
Spirit Airlines Logo
11:37 am - 11:13 amSJO-BOS
21h 36m2 stops
$313Spirit Airlines
Find Deal
Tue, Sep 23 - Mon, Sep 29
Spirit Airlines Logo
6:49 pm - 10:27 amBOS-SJO
17h 38m2 stops
Spirit Airlines Logo
12:19 pm - 11:57 pmSJO-BOS
9h 38m1 stop
$314Spirit Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18
Spirit Airlines Logo
3:00 pm - 10:41 amBOS-SJO
21h 41m2 stops
Spirit Airlines Logo
11:37 am - 11:26 amSJO-BOS
21h 49m2 stops
$315Spirit Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Copa Airlines Logo
3:07 pm - 9:06 amBOS-SJO
18h 59m1 stop
Copa Airlines Logo
5:56 pm - 1:39 pmSJO-BOS
18h 43m1 stop
$321Copa Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
11:10 am - 10:01 pmBOS-SJO
11h 51m2 stops
American Airlines Logo
1:09 pm - 11:47 pmSJO-BOS
9h 38m2 stops
$322American Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
JetBlue Logo
6:25 am - 11:55 amBOS-SJO
7h 30m1 stop
JetBlue Logo
1:00 pm - 11:59 pmSJO-BOS
8h 59m1 stop
$326JetBlue
Find Deal
Tue, Sep 2 - Wed, Sep 17
American Airlines Logo
7:00 am - 10:01 pmBOS-SJO
16h 01m1 stop
American Airlines Logo
1:23 pm - 12:16 amSJO-BOS
9h 53m1 stop
$327American Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
7:00 am - 10:15 pmBOS-SJO
16h 15m1 stop
Delta Logo
7:00 am - 5:50 pmSJO-BOS
9h 50m1 stop
$330Delta
Find Deal
Sat, Dec 6 - Thu, Dec 11
Delta Logo
8:00 am - 10:15 pmBOS-SJO
15h 15m1 stop
Delta Logo
7:00 am - 7:38 pmSJO-BOS
11h 38m1 stop
$338Delta
Find Deal
Thu, Dec 11 - Fri, Dec 19
Copa Airlines Logo
3:49 pm - 7:34 amBOS-SJO
17h 45m1 stop
Copa Airlines Logo
4:08 am - 10:03 pmSJO-BOS
16h 55m1 stop
$352Copa Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2

Copa Airlines flights from Boston to San José, San José Province

Our best Copa Airlines deals on Boston to San José, San José Province flight tickets
Copa Airlines
Jan 10
BOS3:07 pmBoston Logan Intl
18h 59m
1 stop
SJO9:06 amSan José Juan Santamaria Intl
Jan 17
SJO5:56 pmSan José Juan Santamaria Intl
18h 43m
1 stop
BOS1:39 pmBoston Logan Intl
$321
Find similar
Copa Airlines
Oct 30
BOS3:49 pmBoston Logan Intl
17h 45m
1 stop
SJO7:34 amSan José Juan Santamaria Intl
Nov 2
SJO4:08 amSan José Juan Santamaria Intl
16h 55m
1 stop
BOS10:03 pmBoston Logan Intl
$352
Find similar
Copa Airlines
Jan 13
BOS3:07 pmBoston Logan Intl
17h 22m
1 stop
SJO7:29 amSan José Juan Santamaria Intl
Jan 19
SJO10:08 amSan José Juan Santamaria Intl
10h 55m
1 stop
BOS10:03 pmBoston Logan Intl
$362
Find similar

JetBlue flights from Boston to San José, San José Province

Our best JetBlue deals on Boston to San José, San José Province flight tickets
JetBlue
Sep 2
BOS6:25 amBoston Logan Intl
7h 30m
1 stop
SJO11:55 amSan José Juan Santamaria Intl
Sep 17
SJO1:00 pmSan José Juan Santamaria Intl
8h 59m
1 stop
BOS11:59 pmBoston Logan Intl
$326
Find similar
JetBlue
Aug 29
BOS5:15 amBoston Logan Intl
9h 45m
1 stop
SJO1:00 pmSan José Juan Santamaria Intl
Sep 6
SJO1:00 pmSan José Juan Santamaria Intl
8h 59m
1 stop
BOS11:59 pmBoston Logan Intl
$398
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to San José, San José Province 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 August 21, 2025.
Use the filters below to find and compare flights from Boston to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/23

6:10 am-11:14 am

1 stop7h 04m

San José Juan Santamaria Intl

Mon 9/29

11:37 am-11:13 am

2 stops21h 36m

$313

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 9/15

6:49 pm-10:27 am

2 stops17h 38m

San José Juan Santamaria Intl

Thu 9/18

12:19 pm-11:57 pm

1 stop9h 38m

$314

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 10/14

3:00 pm-10:41 am

2 stops21h 41m

San José Juan Santamaria Intl

Tue 10/21

11:37 am-11:26 am

2 stops21h 49m

$315

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 1/10

3:07 pm-9:06 am

1 stop18h 59m

San José Juan Santamaria Intl

Sat 1/17

5:56 pm-1:39 pm

1 stop18h 43m

$321

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/11

11:10 am-10:01 pm

2 stops11h 51m

San José Juan Santamaria Intl

Tue 11/18

1:09 pm-11:47 pm

2 stops9h 38m

$322

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/2

6:25 am-11:55 am

1 stop7h 30m

San José Juan Santamaria Intl

Wed 9/17

1:00 pm-11:59 pm

1 stop8h 59m

$326

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 11/7

7:00 am-10:01 pm

1 stop16h 01m

San José Juan Santamaria Intl

Tue 11/11

1:23 pm-12:16 am

1 stop9h 53m

$327

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 12/6

7:00 am-10:15 pm

1 stop16h 15m

San José Juan Santamaria Intl

Thu 12/11

7:00 am-5:50 pm

1 stop9h 50m

$330

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 12/11

8:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Fri 12/19

7:00 am-7:38 pm

1 stop11h 38m

$338

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 10/30

3:49 pm-7:34 am

1 stop17h 45m

San José Juan Santamaria Intl

Sun 11/2

4:08 am-10:03 pm

1 stop16h 55m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to San José, San José Province

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, San José Province?

The month of September is, on average, the cheapest month to fly to San José, San José Province from Boston, with most prices found around $398. If you’re not able to fly to San José, San José Province in September, then May is your next best option. Flight prices from Boston to San José, San José Province during May average around $454.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Boston to San José, San José Province is on a Tuesday when prices can be found for as low as $450. The most expensive day to fly to San José, San José Province is Saturday, with ticket prices averaging around $660.

What is the cheapest time of day to depart on your flight to San José, San José Province?

In the evening is the cheapest time of day to fly from Boston to San José, San José Province when you can find flight prices for as low as $445. Flying to San José, San José Province in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $583 per ticket.

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

You are more likely to see cheaper flights to San José, San José Province from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $545 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Boston for as low as $445 on momondo.

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

As of August 2025, prices for Boston to San José, San José Province flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San José, San José Province

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

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

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

Direct flights

None
There are no direct flights from Boston to San José, San José Province. There are no popular flight routes from Boston to San José, San José Province.
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  • 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 04m 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, San José Province?

Best airlines flying from Boston to San José, San José Province

Compare and see reviews for airlines that fly from Boston to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $251Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
AviancaPriceFrom $287Free CancellationRating
6.7
2,415 reviews
Search Avianca flights
FrontierPriceFrom $297Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Copa AirlinesPriceFrom $308Free CancellationRating
7.5
1,512 reviews
Search Copa Airlines flights
DeltaPriceFrom $344Free CancellationRating
7.9
7,981 reviews
Search Delta flights
JetBluePriceFrom $372Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
American AirlinesPriceFrom $384Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $400Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
SouthwestPriceFrom $590Free CancellationRating
8.0
4,245 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
Alajuela
Monteverde
Heredia
Dominical
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.

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