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Cheap flights from Boston to San José from $177

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
3:57 pm - 9:04 am
BOS
-
SJO
19h 07m
1 stop
Copa Airlines Logo
5:55 pm - 11:10 pm
SJO
-
BOS
27h 15m
1 stop
$364Copa Airlines
Mon, Aug 17 - Mon, Aug 24
Avianca Logo
3:25 pm - 11:40 pm
BOS
-
SJO
9h 15m
1 stop
Avianca Logo
7:50 pm - 1:50 pm
SJO
-
BOS
17h 00m
1 stop
$375Avianca
Sun, Jan 17 - Sun, Jan 31
Avianca Logo
3:25 pm - 11:40 pm
BOS
-
SJO
9h 15m
1 stop
Avianca Logo
5:00 am - 1:50 pm
SJO
-
BOS
7h 50m
1 stop
$375Avianca
Wed, Nov 4 - Mon, Nov 9
United Airlines Logo
9:43 am - 7:39 pm
BOS
-
SJO
11h 56m
1 stop
United Airlines Logo
11:28 pm - 12:26 pm
SJO
-
BOS
11h 58m
1 stop
$376United Airlines
Fri, Oct 30 - Tue, Nov 3
United Airlines Logo
7:40 am - 6:16 pm
BOS
-
SJO
11h 36m
1 stop
United Airlines Logo
1:15 am - 12:35 pm
SJO
-
BOS
10h 20m
1 stop
$376United Airlines
Thu, Jan 21 - Fri, Jan 29
Delta Logo
1:45 pm - 10:15 pm
BOS
-
SJO
9h 30m
1 stop
Delta Logo
7:00 am - 1:15 am
SJO
-
BOS
17h 15m
1 stop
$376Delta
Tue, Nov 10 - Wed, Nov 18
Delta Logo
8:00 am - 10:15 pm
BOS
-
SJO
15h 15m
1 stop
Delta Logo
7:00 am - 9:03 pm
SJO
-
BOS
13h 03m
1 stop
$376Delta
Mon, Nov 9 - Wed, Nov 11
Copa Airlines Logo
3:55 pm - 7:10 am
BOS
-
SJO
17h 15m
1 stop
Copa Airlines Logo
4:08 am - 2:29 pm
SJO
-
BOS
8h 21m
1 stop
$379Copa Airlines
Sun, Oct 4 - Sun, Oct 11
JetBlue Logo
5:35 am - 1:59 pm
BOS
-
SJO
9h 24m
1 stop
JetBlue Logo
12:50 pm - 9:56 pm
SJO
-
BOS
8h 06m
1 stop
$400JetBlue
Sun, Nov 15 - Thu, Dec 3
JetBlue Logo
5:35 am - 1:59 pm
BOS
-
SJO
9h 24m
1 stop
JetBlue Logo
3:05 pm - 12:16 am
SJO
-
BOS
8h 11m
1 stop
$428JetBlue
Sat, Nov 14 - Sat, Nov 21

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Copa Airlines flights from Boston to San José

Our best Copa Airlines deals on Boston to San José flight tickets
Copa Airlines
Aug 17
BOS3:57 pmBoston Logan Intl
19h 07m
1 stop
SJO9:04 amSan José Juan Santamaria Intl
Aug 24
SJO5:55 pmSan José Juan Santamaria Intl
27h 15m
1 stop
BOS11:10 pmBoston Logan Intl
$364
Copa Airlines
Sep 29
BOS8:47 amBoston Logan Intl
25h 32m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Oct 10
SJO10:03 amSan José Juan Santamaria Intl
26h 36m
1 stop
BOS2:39 pmBoston Logan Intl
$379
Copa Airlines
Aug 23
BOS8:45 amBoston Logan Intl
12h 39m
1 stop
SJO7:24 pmSan José Juan Santamaria Intl
Aug 25
SJO4:08 amSan José Juan Santamaria Intl
17h 02m
1 stop
BOS11:10 pmBoston Logan Intl
$383

Delta flights from Boston to San José

Our best Delta deals on Boston to San José flight tickets
Delta
Nov 10
BOS10:10 amBoston Logan Intl
13h 05m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Nov 14
SJO7:00 amSan José Juan Santamaria Intl
17h 15m
1 stop
BOS1:15 amBoston Logan Intl
$376
Delta
Jan 24
BOS8:15 pmBoston Logan Intl
17h 30m
1 stop
SJO12:45 pmSan José Juan Santamaria Intl
Feb 4
SJO7:05 amSan José Juan Santamaria Intl
16h 53m
1 stop
BOS12:58 amBoston Logan Intl
$386
Delta
Nov 10
BOS2:55 pmBoston Logan Intl
8h 20m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Nov 20
SJO7:00 amSan José Juan Santamaria Intl
9h 50m
1 stop
BOS5:50 pmBoston Logan Intl
$425

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 August 1, 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

Mon 8/17

3:57 pm-9:04 am

1 stop19h 07m

San José Juan Santamaria Intl

Mon 8/24

5:55 pm-11:10 pm

1 stop27h 15m

$364

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 1/17

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Sun 1/31

7:50 pm-1:50 pm

1 stop17h 00m

$375
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 11/4

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Mon 11/9

5:00 am-1:50 pm

1 stop7h 50m

$375

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 10/30

9:43 am-7:39 pm

1 stop11h 56m

San José Juan Santamaria Intl

Tue 11/3

11:28 pm-12:26 pm

1 stop11h 58m

$376

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/21

7:40 am-6:16 pm

1 stop11h 36m

San José Juan Santamaria Intl

Fri 1/29

1:15 am-12:35 pm

1 stop10h 20m

$376

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/10

1:45 pm-10:15 pm

1 stop9h 30m

San José Juan Santamaria Intl

Wed 11/18

7:00 am-1:15 am

1 stop17h 15m

$376

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 11/9

8:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Wed 11/11

7:00 am-9:03 pm

1 stop13h 03m

$376

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 10/4

3:55 pm-7:10 am

1 stop17h 15m

San José Juan Santamaria Intl

Sun 10/11

4:08 am-2:29 pm

1 stop8h 21m

$379

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 11/15

5:35 am-1:59 pm

1 stop9h 24m

San José Juan Santamaria Intl

Thu 12/3

12:50 pm-9:56 pm

1 stop8h 06m

$400

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 11/14

5:35 am-1:59 pm

1 stop9h 24m

San José Juan Santamaria Intl

Sat 11/21

3:05 pm-12:16 am

1 stop8h 11m

$428

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 typical price of a round-trip flight between Boston and San José?

Prices are currently low for flights on this route.

Typical prices usually range from $368 to $636.
The lowest price recently found on this route was $364.

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 $343. If you don’t want to visit San José in October, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $388.

How far in advance should I book a flight from Boston 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 $465 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 $394 on momondo.

Can stopping save me money on Boston to San José flights?

You could potentially save up to 6% on your flight if you consider stops on a Boston to San José flight.

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

As of August 2026, prices for Boston to San José flights are approximately 12% 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

9h 24m

Direct flights

None
The fastest flight from Boston to San José takes 9h 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

Frequently asked questions about flying from Boston to San José

  • 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 9h 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
DeltaPriceFrom $137Free CancellationRating
7.8
8,498 reviews
Search Delta flights
Copa AirlinesPriceFrom $177Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,848 reviews
Search American Airlines flights
GOLPriceFrom $316Free CancellationRating
7.3
1,265 reviews
Search GOL flights
AviancaPriceFrom $327Free CancellationRating
6.5
2,522 reviews
Search Avianca flights
FrontierPriceFrom $381Free CancellationRating
5.6
2,740 reviews
Search Frontier flights
SouthwestPriceFrom $470Free CancellationRating
8.0
4,229 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
Santa Elena
San Gerardo de Dota
Dominical
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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