$172+ Cheap flights from Boston (BOS) to San José (SJO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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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
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Best
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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 September 20, 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 September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/53:55 pm -
1 stop19h 09m
Mon 10/125:55 pm -
1 stop27h 07m
Deal found 9/16![Copa Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Wed 10/73:55 pm -
1 stop19h 09m
Tue 10/134:08 am -
1 stop16h 54m
Deal found 9/17![Copa Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 11/122:50 pm -
1 stop18h 29m
Mon 11/166:10 pm -
1 stop26h 51m
Deal found 9/16![Copa Airlines logo]()
$384
This Avianca deal was found by Cheapflights users on 9/16. 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 10/24:50 pm -
1 stop8h 50m
Tue 10/67:45 pm -
1 stop17h 05m
Deal found 9/16![Avianca logo]()
$385
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/296:27 am -
1 stop9h 33m
Thu 11/191:59 pm -
1 stop10h 03m
Deal found 9/16![American Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/63:55 pm -
1 stop17h 15m
Sun 10/1110:03 am -
1 stop10h 59m
Deal found 9/16![Copa Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/1210:19 am -
2 stops11h 31m
Thu 11/196:00 am -
2 stops10h 32m
Deal found 9/16![American Airlines logo]()
$391
This Avianca deal was found by Cheapflights users on 9/18. 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.
Sun 10/44:50 pm -
1 stop20h 40m
Sun 10/115:05 am -
1 stop7h 45m
Deal found 9/18![Avianca logo]()
$392
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/136:51 pm -
1 stop19h 16m
Mon 11/2312:37 am -
1 stop10h 11m
Deal found 9/16![American Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/308:47 am -
1 stop24h 37m
Fri 11/610:03 am -
1 stop10h 58m
Deal found 9/15![Copa Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/299:30 am -
2 stops12h 51m
Sun 11/83:54 pm -
1 stop17h 26m
Deal found 9/16![American Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/213:55 pm -
1 stop17h 15m
Sat 10/106:05 pm -
1 stop26h 57m
Deal found 9/15![Copa Airlines logo]()
$398
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 September 20, 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 September 20, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/19. 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 10/73:55 pm -
1 stop19h 09m
Wed 10/1410:03 am -
1 stop10h 59m
Deal found 9/19![Copa Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/295:30 am -
1 stop8h 30m
Sat 11/72:25 pm -
1 stop9h 55m
Deal found 9/15![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/119:43 am -
1 stop11h 56m
Wed 12/98:45 am -
2 stops12h 14m
Deal found 9/19![United Airlines logo]()
$438
This JetBlue deal was found by Cheapflights users on 9/16. 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.
Wed 10/147:40 am -
1 stop7h 17m
Wed 10/212:05 pm -
1 stop8h 28m
Deal found 9/16![JetBlue logo]()
$530
This Copa Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/263:55 pm -
1 stop18h 24m
Fri 10/3010:03 am -
1 stop10h 59m
Deal found 9/15![Copa Airlines logo]()
$417
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 12/22:43 pm -
1 stop22h 35m
Tue 12/89:59 am -
1 stop11h 03m
Deal found 9/18![Copa Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/268:25 pm -
2 stops17h 57m
Fri 10/301:25 pm -
2 stops21h 21m
Deal found 9/17![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 9/19. 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.
Fri 12/412:20 pm -
1 stop10h 57m
Mon 12/77:00 am -
1 stop8h 33m
Deal found 9/19![Delta logo]()
$534
This Copa Airlines deal was found by Cheapflights users on 9/17. 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 10/248:47 am -
1 stop24h 17m
Wed 10/2810:03 am -
1 stop10h 59m
Deal found 9/17![Copa Airlines logo]()
$448
This Copa Airlines deal was found by Cheapflights users on 9/19. 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 10/238:47 am -
1 stop24h 23m
Sun 10/255:38 am -
1 stop15h 24m
Deal found 9/19![Copa Airlines logo]()
$448
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 10/298:47 am -
1 stop24h 17m
Sat 11/76:05 pm -
1 stop26h 56m
Deal found 9/15![Copa Airlines logo]()
$473
Last-minute flights from Boston to San JoséDiscover last-minute flight deals from Boston to San José. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San José. Data last updated September 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/213:55 pm -
1 stop17h 15m
Sat 10/106:05 pm -
1 stop26h 57m
Deal found 9/15![Copa Airlines logo]()
$398
This Avianca deal was found by Cheapflights users on 9/16. 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 10/24:50 pm -
1 stop8h 50m
Tue 10/67:45 pm -
1 stop17h 05m
Deal found 9/16![Avianca logo]()
$385
This Avianca deal was found by Cheapflights users on 9/18. 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.
Sun 10/44:50 pm -
1 stop20h 40m
Sun 10/115:05 am -
1 stop7h 45m
Deal found 9/18![Avianca logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/53:55 pm -
1 stop19h 09m
Mon 10/125:55 pm -
1 stop27h 07m
Deal found 9/16![Copa Airlines logo]()
$379
This Copa Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/53:55 pm -
1 stop17h 15m
Fri 10/235:45 am -
1 stop15h 17m
Deal found 9/16![Copa Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/63:55 pm -
1 stop17h 15m
Sun 10/1110:03 am -
1 stop10h 59m
Deal found 9/16![Copa Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Wed 10/73:55 pm -
1 stop19h 09m
Tue 10/134:08 am -
1 stop16h 54m
Deal found 9/17![Copa Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/296:27 am -
1 stop9h 33m
Sat 11/76:20 am -
1 stop12h 15m
Deal found 9/16![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/295:17 am -
1 stop10h 43m
Sun 11/83:54 pm -
1 stop17h 26m
Deal found 9/16![American Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/308:47 am -
1 stop24h 37m
Fri 11/610:03 am -
1 stop10h 58m
Deal found 9/15![Copa Airlines logo]()
$395
This Copa Airlines deal was found by Cheapflights users on 9/16. 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 10/308:47 am -
1 stop24h 17m
Mon 11/25:55 pm -
1 stop27h 06m
Deal found 9/16![Copa Airlines logo]()
$399
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 September 20, 2026.
Search for one-way flight options from Boston to San José. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/171:45 pm -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$172
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/286:00 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 11/99:15 pm -
2 stops16h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/45:17 pm -
1 stop19h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/227:55 am -
2 stops14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$194
This JetBlue deal was found by Cheapflights users on 9/17. 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.
Sat 12/55:45 am -
1 stop9h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/189:43 am -
1 stop11h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/178:15 am -
2 stops29h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/117:14 am -
2 stops14h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$224
This TravelUp deal was found by Cheapflights users on 9/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:30 am -
2 stops12h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![British Airways logo]()
$227
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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Kiwi.com) |
One-way from | $172 (Delta) |
Popular in | December |
Cheapest in | October |
Average price | $455 |
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 7,457,451 searches. Data last updated September 20, 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 Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Tue 11/17
1:45 pm-10:15 pm
1 stop9h 30m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$172
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Sat 12/5
12:20 pm-10:17 pm
1 stop10h 57m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$221
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Wed 10/28
5:17 pm-10:25 am
1 stop19h 08m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Tue 11/17
5:30 am-7:53 pm
2 stops15h 23m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
Quickest round-trip
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Wed 10/28
5:30 am-12:00 pm
1 stop8h 30m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$246
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Thu 11/12
5:17 pm-11:25 am
1 stop19h 08m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Wed 10/7
3:55 pm-9:04 am
1 stop19h 09m
San José Juan Santamaria Intl
Wed 10/14
10:03 am-11:02 pm
1 stop10h 59m
$404
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Mon 10/26
3:55 pm-8:19 am
1 stop18h 24m
San José Juan Santamaria Intl
Fri 10/30
10:03 am-11:02 pm
1 stop10h 59m
$417
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Thu 10/29
5:30 am-12:00 pm
1 stop8h 30m
San José Juan Santamaria Intl
Sat 11/7
2:25 pm-1:20 am
1 stop9h 55m
$435
BostonSan José
BOS Boston Logan Intl - SJO San José Juan Santamaria Intl
BOSSJO
Boston Logan Intl
Wed 12/2
2:43 pm-12:18 pm
1 stop22h 35m
San José Juan Santamaria Intl
Tue 12/8
9:59 am-10:02 pm
1 stop11h 03m
$437
Showing 1-10 of 17 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 September.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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
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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 15 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 $368). Flying from Boston to San José in December is currently the most expensive (average of $639). 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?
Airfare is typical for this route at the moment.
Boston to San José flights typically cost between $330 and $498 in October.The cheapest round-trip price found within the last 5 days was $379 on Copa Airlines (Oct 5-Oct 12).
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.
Panama City (PTY) – chosen by Cheapflights users on 25% 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 Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 7h 57m.
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 September 20, 2026.
Get a feel of what it's like to fly with Copa Airlines,United Airlines, andJetBlue 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.
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Boarding
7.8
Crew
8.1
Food
6.9
Overall
7.6
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - 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
Jacó
Heredia
Dominical
Manuel Antonio
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Boston and San José flights
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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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$591 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$401 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$232 | Average$570 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$244 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$473 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$284 | Average$541 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$554 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$327 | Average$428 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$351 | Average$504 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$470 | Average$750 | FlexibilityNo cancel fee | On-time63% |