$153+ Cheap flights from Boston (BOS) to San José (SJO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Jun 6 — Jun 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to San José with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to San José
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to San JoséExplore the most affordable flight options available from Boston to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Boston to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Thu 6/185:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/6![Avianca logo]()
$339
This Avianca deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Wed 6/35:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/5![Avianca logo]()
$343
This Copa Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:00 pm
BOS
- SJO
1 stop19h 06m
Copa Airlines
Sun 5/175:50 am
SJO
- BOS
1 stop15h 18m
Copa Airlines
Deal found 5/3![Copa Airlines logo]()
$344
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Fri 9/45:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/6![Avianca logo]()
$347
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Sat 10/177:45 pm
SJO
- BOS
1 stop17h 05m
Avianca
Deal found 5/6![Avianca logo]()
$349
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:15 pm
BOS
- SJO
1 stop17h 39m
Delta
Tue 9/221:25 pm
SJO
- BOS
1 stop9h 41m
Delta
Deal found 5/3![Delta logo]()
$350
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Tue 6/97:45 pm
SJO
- BOS
1 stop17h 05m
Avianca
Deal found 5/6![Avianca logo]()
$353
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:19 pm
BOS
- SJO
2 stops17h 46m
American Airlines
Wed 10/211:05 pm
SJO
- BOS
2 stops16h 10m
American Airlines
Deal found 5/4![American Airlines logo]()
$355
This Avianca deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:50 pm
BOS
- SJO
1 stop20h 40m
Avianca
Mon 6/85:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/4![Avianca logo]()
$356
This BusinessClass deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:57 pm
BOS
- SJO
2 stops18h 53m
GOL
Sat 6/66:01 am
SJO
- BOS
2 stops13h 12m
GOL
Deal found 5/5![GOL logo]()
$357
This JetBlue deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:55 am
BOS
- SJO
1 stop7h 02m
JetBlue
Wed 8/261:05 pm
SJO
- BOS
1 stop9h 37m
JetBlue
Deal found 5/2![JetBlue logo]()
$358
Best flights from Boston to San JoséDiscover carefully curated flight deals from Boston to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Boston to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Copa Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:55 pm
BOS
- SJO
1 stop18h 24m
Copa Airlines
Wed 10/2111:00 am
SJO
- BOS
1 stop10h 02m
Copa Airlines
Deal found 5/3![Copa Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:15 pm
BOS
- SJO
2 stops21h 56m
United Airlines
Mon 6/1512:30 am
SJO
- BOS
2 stops16h 44m
United Airlines
Deal found 5/5![United Airlines logo]()
$475
This Copa Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:47 am
BOS
- SJO
1 stop26h 17m
Copa Airlines
Sat 10/105:55 pm
SJO
- BOS
1 stop27h 07m
Copa Airlines
Deal found 5/2![Copa Airlines logo]()
$344
This Copa Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:31 am
BOS
- SJO
1 stop25h 50m
Copa Airlines
Tue 11/175:56 pm
SJO
- BOS
1 stop27h 07m
Copa Airlines
Deal found 5/2![Copa Airlines logo]()
$344
This Copa Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:00 pm
BOS
- SJO
1 stop21h 06m
Copa Airlines
Wed 6/102:59 pm
SJO
- BOS
1 stop21h 45m
Copa Airlines
Deal found 5/4![Copa Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 pm
BOS
- SJO
2 stops19h 21m
United Airlines
Fri 10/2312:44 pm
SJO
- BOS
1 stop18h 02m
United Airlines
Deal found 5/3![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm
BOS
- SJO
2 stops18h 11m
United Airlines
Mon 9/287:55 am
SJO
- BOS
2 stops23h 29m
United Airlines
Deal found 5/4![United Airlines logo]()
$479
This Copa Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:52 am
BOS
- SJO
1 stop24h 17m
Copa Airlines
Sat 6/135:57 pm
SJO
- BOS
1 stop27h 11m
Copa Airlines
Deal found 5/5![Copa Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:45 am
BOS
- SJO
2 stops18h 54m
United Airlines
Mon 6/87:55 am
SJO
- BOS
2 stops24h 25m
United Airlines
Deal found 5/4![United Airlines logo]()
$483
This Copa Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:52 am
BOS
- SJO
1 stop25h 29m
Copa Airlines
Mon 6/156:19 pm
SJO
- BOS
1 stop18h 25m
Copa Airlines
Deal found 5/4![Copa Airlines logo]()
$426
This Copa Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:52 am
BOS
- SJO
1 stop24h 17m
Copa Airlines
Sun 6/286:19 pm
SJO
- BOS
1 stop26h 49m
Copa Airlines
Deal found 5/4![Copa Airlines logo]()
$469
This Copa Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:57 pm
BOS
- SJO
1 stop17h 15m
Copa Airlines
Sat 7/184:08 am
SJO
- BOS
1 stop8h 26m
Copa Airlines
Deal found 5/6![Copa Airlines logo]()
$525
Last-minute flights from Boston to San JoséDiscover last-minute flight deals from Boston to San José. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San José. Data last updated May 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:45 am
BOS
- SJO
1 stop12h 22m
American Airlines
Fri 6/52:00 pm
SJO
- BOS
1 stop8h 40m
American Airlines
Deal found 5/5![American Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 am
BOS
- SJO
1 stop16h 36m
American Airlines
Tue 5/1212:35 pm
SJO
- BOS
1 stop19h 26m
American Airlines
Deal found 5/3![American Airlines logo]()
$358
This Copa Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:00 pm
BOS
- SJO
1 stop19h 06m
Copa Airlines
Fri 5/226:19 pm
SJO
- BOS
1 stop26h 49m
Copa Airlines
Deal found 5/4![Copa Airlines logo]()
$344
This Copa Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:00 pm
BOS
- SJO
1 stop17h 09m
Copa Airlines
Sun 5/1710:05 am
SJO
- BOS
1 stop11h 03m
Copa Airlines
Deal found 5/6![Copa Airlines logo]()
$354
This Copa Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:00 pm
BOS
- SJO
1 stop17h 09m
Copa Airlines
Tue 5/266:01 pm
SJO
- BOS
1 stop18h 43m
Copa Airlines
Deal found 5/2![Copa Airlines logo]()
$359
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Tue 6/97:45 pm
SJO
- BOS
1 stop17h 05m
Avianca
Deal found 5/6![Avianca logo]()
$353
This Avianca deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Wed 6/35:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/5![Avianca logo]()
$343
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Tue 6/97:45 pm
SJO
- BOS
1 stop17h 05m
Avianca
Deal found 5/6![Avianca logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Sat 6/67:45 pm
SJO
- BOS
1 stop17h 05m
Avianca
Deal found 5/5![Avianca logo]()
$355
This BusinessClass deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:57 pm
BOS
- SJO
2 stops18h 53m
GOL
Sat 6/66:01 am
SJO
- BOS
1 stop15h 35m
GOL
Deal found 5/5![GOL logo]()
$357
This Avianca deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:50 pm
BOS
- SJO
1 stop20h 40m
Avianca
Mon 6/85:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/4![Avianca logo]()
$356
This Avianca deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Thu 6/185:05 am
SJO
- BOS
1 stop7h 45m
Avianca
Deal found 5/6![Avianca logo]()
$339
One-way flights from Boston to San JoséSearch for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 pm
BOS
- SJO
1 stop17h 39m
Delta
Deal found 5/6![Delta logo]()
$153
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:35 pm
BOS
- SJO
1 stop18h 36m
United Airlines
Deal found 5/3![United Airlines logo]()
$158
This BusinessClass deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:45 am
BOS
- SJO
2 stops14h 07m
GOL
Deal found 5/6![GOL logo]()
$160
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:19 pm
BOS
- SJO
2 stops17h 46m
American Airlines
Deal found 5/5![American Airlines logo]()
$163
This BusinessClass deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:57 pm
BOS
- SJO
2 stops18h 53m
GOL
Deal found 5/6![GOL logo]()
$165
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:37 pm
BOS
- SJO
1 stop11h 02m
United Airlines
Deal found 5/4![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:25 pm
BOS
- SJO
1 stop17h 30m
United Airlines
Deal found 5/6![United Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:49 am
BOS
- SJO
1 stop7h 16m
American Airlines
Deal found 5/6![American Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:54 pm
BOS
- SJO
1 stop20h 17m
United Airlines
Deal found 5/4![United Airlines logo]()
$192
This KAYAK deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:05 am
BOS
- SJO
2 stops29h 45m
GOL
Deal found 5/6![GOL logo]()
$194
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:30 am
BOS
- SJO
1 stop14h 22m
American Airlines
Deal found 5/6![American Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:43 am
BOS
- SJO
2 stops25h 37m
Frontier
Deal found 5/6![Frontier logo]()
$197
Find flight deals from Boston to San José
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (Avianca) |
One-way from | $153 (Delta) |
Popular in | December |
Cheapest in | October |
Average price | $449 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 7, 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
Cheapest round-trip
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Wed 10/14
3:55 pm-8:19 am
1 stop18h 24m
San José Juan Santamaria Intl
Wed 10/21
11:00 am-11:02 pm
1 stop10h 02m
$344
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Tue 9/29
8:47 am-9:04 am
1 stop26h 17m
San José Juan Santamaria Intl
Sat 10/10
5:55 pm-11:02 pm
1 stop27h 07m
$344
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Tue 11/3
7:31 am-8:21 am
1 stop25h 50m
San José Juan Santamaria Intl
Tue 11/17
5:56 pm-10:03 pm
1 stop27h 07m
$344
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 6/4
4:00 pm-11:06 am
1 stop21h 06m
San José Juan Santamaria Intl
Wed 6/10
2:59 pm-2:44 pm
1 stop21h 45m
$385
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Sat 5/30
8:52 am-7:09 am
1 stop24h 17m
San José Juan Santamaria Intl
Sat 6/13
5:57 pm-11:08 pm
1 stop27h 11m
$421
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Sat 6/6
8:52 am-8:21 am
1 stop25h 29m
San José Juan Santamaria Intl
Mon 6/15
6:19 pm-2:44 pm
1 stop18h 25m
$426
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Fri 6/19
8:52 am-7:09 am
1 stop24h 17m
San José Juan Santamaria Intl
Sun 6/28
6:19 pm-11:08 pm
1 stop26h 49m
$469
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Tue 6/9
2:15 pm-10:11 am
2 stops21h 56m
San José Juan Santamaria Intl
Mon 6/15
12:30 am-7:14 pm
2 stops16h 44m
$475
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Mon 10/19
7:00 pm-12:21 pm
2 stops19h 21m
San José Juan Santamaria Intl
Fri 10/23
12:44 pm-8:46 am
1 stop18h 02m
$479
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 9/24
8:10 pm-12:21 pm
2 stops18h 11m
San José Juan Santamaria Intl
Mon 9/28
7:55 am-9:24 am
2 stops23h 29m
$479
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Boston to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to San José in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-San José flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Boston with our price prediction graph.
BOS-SJO
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 Boston to San José
Prices
More
How far ahead should I book a flight from Boston to San José?
The price you pay for your flight from Boston to San José may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to San José?
Currently, October is the cheapest month in which you can book a flight from Boston to San José (average of $340). Flying from Boston to San José in December is currently the most expensive (average of $638). 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 Boston to San José?
What’s the top layover airport for flights from Boston to San José?
Share of 1-stop round-trip flights from Boston to San José chosen by Cheapflights users in the past 12 months, using the same layover each way.
San Salvador (SAL) – chosen by Cheapflights users on 43% of 1-stop itineraries from Boston to San José on Cheapflights.
What’s the cheapest layover airport for flights from Boston to San José?
Average round-trip fare for 1-stop flights from Boston to San José, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $251.
What’s the fastest layover option from Boston to San José?
Shortest average travel time for 1-stop one-way flights from Boston to San José, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Miami (MIA) have the shortest average one-way travel time for 1-stop routes: 7h 24m.
Which airport typically offers the quickest layover for flights from Boston to San José?
Average layover duration for 1-stop one-way flights from Boston to San José, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 19m.
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated May 7, 2026.
Get a feel of what it's like to fly with Copa Airlines,United Airlines, andAmerican Airlines from Boston to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Boarding
7.8
Comfort
7.4
Overall
7.5
Entertainment
6.8
Crew
8.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
LIM - PTY
Related info for your journey
Find useful and relevant information for your journey from Boston to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
San José flight routes
Alternative routes for Boston to San José
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San José by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to San José by cabin class
Find flights from Boston to San José, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and San José flights
Browse other Boston and San José flight options. Last updated on May 7, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San José
Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Top 10 airlines flying from Boston to San José
Discover the top 10 airlines that operate flights from Boston to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$451 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$141 | Average$391 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$178 | Average$377 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$243 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$468 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$287 | Average$514 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$446 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$546 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$381 | Average$847 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$441 | Average$637 | FlexibilityNo cancel fee | On-time63% |