$226+ Cheap flights from San José (SJO) to Boston (BOS)
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOS
Oct 7 — Oct 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San José to Boston 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 San José to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from San José to BostonExplore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from San José to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 10/18:45 am -
1 stop12h 17m
Tue 10/63:55 pm -
1 stop17h 15m
Deal found 9/6![Copa Airlines logo]()
$370
This Avianca deal was found by Cheapflights users on 9/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:10 am -
1 stop7h 35m
Sun 11/83:40 pm -
1 stop20h 45m
Deal found 9/3![Avianca logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 10/710:03 am -
1 stop10h 59m
Mon 10/123:55 pm -
1 stop17h 15m
Deal found 9/5![Copa Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/231:25 pm -
1 stop22h 08m
Tue 10/276:00 am -
2 stops14h 53m
Deal found 9/6![United Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:55 pm -
1 stop27h 07m
Mon 10/263:55 pm -
1 stop21h 03m
Deal found 9/3![Copa Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 10/610:03 am -
1 stop10h 59m
Tue 10/138:47 am -
1 stop24h 23m
Deal found 9/6![Copa Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 pm -
1 stop27h 07m
Mon 9/283:55 pm -
1 stop21h 03m
Deal found 9/3![Copa Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:03 am -
1 stop10h 59m
Thu 10/228:47 am -
1 stop24h 23m
Deal found 9/3![Copa Airlines logo]()
$377
This Copa Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 10/308:30 am -
1 stop12h 32m
Wed 11/42:50 pm -
1 stop19h 17m
Deal found 9/5![Copa Airlines logo]()
$380
This Avianca deal was found by Cheapflights users on 9/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:05 am -
1 stop7h 45m
Mon 10/264:40 pm -
1 stop18h 10m
Deal found 9/3![Avianca logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/287:45 am -
2 stops15h 01m
Wed 11/45:17 pm -
1 stop19h 08m
Deal found 9/7![United Airlines logo]()
$382
Best flights from San José to BostonDiscover carefully curated flight deals from San José to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from San José to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/2. 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 10/2910:03 am -
1 stop10h 59m
Wed 11/47:41 am -
1 stop25h 38m
Deal found 9/2![Copa Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/2810:28 pm -
1 stop10h 23m
Wed 11/46:36 pm -
2 stops17h 49m
Deal found 9/5![United Airlines logo]()
$373
This Copa Airlines deal was found by Cheapflights users on 9/7. 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 11/125:55 pm -
1 stop27h 06m
Sun 11/152:50 pm -
1 stop17h 12m
Deal found 9/7![Copa Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 12/411:28 pm -
2 stops15h 25m
Mon 12/75:45 am -
2 stops15h 08m
Deal found 9/5![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/51:55 pm -
1 stop18h 16m
Mon 12/711:00 am -
1 stop9h 53m
Deal found 9/5![United Airlines logo]()
$373
This Copa Airlines deal was found by Cheapflights users on 9/4. 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 10/910:03 am -
1 stop10h 59m
Thu 10/228:47 am -
1 stop24h 23m
Deal found 9/4![Copa Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/22:25 pm -
2 stops18h 58m
Mon 12/712:00 pm -
1 stop8h 53m
Deal found 9/4![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 11/32:25 pm -
2 stops17h 52m
Thu 11/125:17 pm -
1 stop19h 08m
Deal found 9/6![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 11/111:28 pm -
1 stop10h 23m
Sun 11/88:25 pm -
2 stops17h 57m
Deal found 9/6![United Airlines logo]()
$386
Last-minute flights from San José to BostonDiscover last-minute flight deals from San José to Boston. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Boston. Data last updated September 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 pm -
1 stop27h 07m
Mon 9/283:55 pm -
1 stop21h 03m
Deal found 9/3![Copa Airlines logo]()
$376
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 10/110:03 am -
1 stop10h 59m
Wed 10/73:55 pm -
1 stop19h 09m
Deal found 9/6![Copa Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 10/610:03 am -
1 stop10h 59m
Tue 10/138:47 am -
1 stop24h 23m
Deal found 9/6![Copa Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 10/710:03 am -
1 stop10h 59m
Mon 10/123:55 pm -
1 stop17h 15m
Deal found 9/5![Copa Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:03 am -
1 stop10h 59m
Thu 10/228:47 am -
1 stop24h 23m
Deal found 9/3![Copa Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:55 pm -
1 stop27h 07m
Mon 10/263:55 pm -
1 stop21h 03m
Deal found 9/3![Copa Airlines logo]()
$374
This Avianca deal was found by Cheapflights users on 9/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:05 am -
1 stop7h 45m
Mon 10/264:40 pm -
1 stop18h 10m
Deal found 9/3![Avianca logo]()
$381
This Avianca deal was found by Cheapflights users on 9/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
1 stop7h 45m
Sun 10/254:40 pm -
1 stop20h 45m
Deal found 9/3![Avianca logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/231:25 pm -
1 stop22h 08m
Tue 10/276:00 am -
2 stops14h 53m
Deal found 9/6![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/287:45 am -
2 stops15h 01m
Wed 11/45:17 pm -
1 stop19h 08m
Deal found 9/7![United Airlines logo]()
$382
This Copa Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 10/308:30 am -
1 stop12h 32m
Sun 11/82:50 pm -
1 stop21h 09m
Deal found 9/5![Copa Airlines logo]()
$380
One-way flights from San José to BostonSearch for one-way flight options from San José to Boston. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from San José to Boston. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
2 stops11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$226
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:06 pm -
1 stop8h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$227
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/191:15 am -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/97:55 am -
2 stops23h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:20 pm -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 9/3. 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 11/266:00 am -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 11/18:45 am -
2 stops15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:28 pm -
2 stops16h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$235
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:05 pm -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![JetBlue logo]()
$237
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 10/133:01 pm -
2 stops15h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$239
Find flight deals from San José to Boston
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Boston (BOS). 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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $370 (Copa Airlines) |
One-way from | $226 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $396 |
Cheapflights Fare Finder
Customize your flight search to find flights from San José to Boston 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 7, 2026.
Use the filters below to find and compare flights from San José to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Wed 1/20
1:15 am-4:47 pm
1 stop14h 32m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Sun 11/1
11:28 pm-12:26 pm
1 stop11h 58m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
Quickest round-trip
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Tue 1/19
1:15 am-12:20 pm
1 stop10h 05m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Fri 10/9
7:55 am-9:34 am
2 stops23h 39m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$230
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Tue 12/1
11:28 pm-5:58 pm
2 stops17h 30m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$230
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Fri 10/2
1:25 pm-9:58 pm
2 stops30h 33m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$230
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Thu 12/3
8:45 am-11:49 pm
2 stops14h 04m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Thu 10/29
10:03 am-11:02 pm
1 stop10h 59m
Boston Logan Intl
Wed 11/4
7:41 am-8:19 am
1 stop25h 38m
$370
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Thu 11/12
5:55 pm-10:01 pm
1 stop27h 06m
Boston Logan Intl
Sun 11/15
2:50 pm-7:02 am
1 stop17h 12m
$370
San JoséBoston
SJO San José Juan Santamaria Intl - BOS Boston Logan Intl
SJOBOS
San José Juan Santamaria Intl
Wed 10/28
10:28 pm-10:51 am
1 stop10h 23m
Boston Logan Intl
Wed 11/4
6:36 pm-11:25 am
2 stops17h 49m
$373
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from San José to Boston
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 San José to Boston 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 |
- Most accurate provider: When it comes to deals on San José-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San José-Boston 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 San José-Boston 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 San José to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from San José with our price prediction graph.
SJO-BOS
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 San José to Boston
How far ahead should I book a flight from San José to Boston?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San José to Boston?
Currently, January is the cheapest month in which you can book a flight from San José to Boston (average of $311). Flying from San José to Boston in July is currently the most expensive (average of $535). 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 San José to Boston?
Airfare is typical for this route at the moment.
San José to Boston flights typically cost between $357 and $486 in October.The cheapest round-trip price found within the last 5 days was $370 on Copa Airlines (Oct 1-Oct 7).
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 7, 2026.
Read reviews from past customers who have flown Copa Airlines,United Airlines, andAmerican Airlines from San José to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Comfort
7.4
Entertainment
6.9
Overall
7.6
Boarding
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Related info for your journey
Find useful and relevant information for your journey from San José to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San José
Popular flights
Alternative routes for San José to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San José to Boston by cabin class
Find flights from San José to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San José and Boston flights
Browse other San José and Boston flight options. Last updated on September 7, 2026.
Other flights from San José
Browse through other flights departing from San José. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from San José to Boston
Discover the top 6 airlines that operate flights from San José to Boston. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$109 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$160 | Average$383 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$393 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$233 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$242 | Average$454 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$481 | FlexibilityNo cancel fee | On-timeN/A |