$129+ Cheap flights from San José (SJO) to New Hampshire
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — MHT
Dec 13 — Dec 201
1 adult, Economy
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Cheapest flights from San José to New HampshireExplore the most affordable flight options available from San José to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.
Explore the most affordable flight options available from San José to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/138:45 amSJO - BOS
1 stop13h 30mUnited Airlines
Sat 11/159:35 amBOS - SJO
1 stop12h 04mUnited Airlines
Deal found 11/12![United Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/2211:28 pmSJO - BOS
1 stop8h 46mUnited Airlines
Wed 12/106:00 amBOS - SJO
1 stop7h 42mUnited Airlines
Deal found 11/12![United Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 11/12. 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 12/236:20 amSJO - BOS
1 stop17h 39mAmerican Airlines
Tue 2/35:15 amBOS - SJO
1 stop8h 28mAmerican Airlines
Deal found 11/12![American Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/137:00 amSJO - BOS
1 stop13h 15mAmerican Airlines
Sun 11/167:30 amBOS - SJO
1 stop16h 26mAmerican Airlines
Deal found 11/12![American Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 11/226:22 amSJO - BOS
1 stop14h 14mAmerican Airlines
Mon 12/86:00 amBOS - SJO
1 stop17h 28mAmerican Airlines
Deal found 11/12![American Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/138:45 amSJO - BOS
2 stops11h 35mUnited Airlines
Sun 11/167:30 amBOS - SJO
2 stops14h 09mUnited Airlines
Deal found 11/13![United Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/247:00 amSJO - BOS
2 stops14h 22mAmerican Airlines
Mon 12/86:00 amBOS - SJO
1 stop17h 28mAmerican Airlines
Deal found 11/12![American Airlines logo]()
$248
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Sat 11/221:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Tue 12/95:45 amBOS - SJO
1 stop7h 40mSpirit Airlines
Deal found 11/12![Spirit Airlines logo]()
$250
This eDestinos deal was found by Cheapflights users on 11/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:47 pmSJO - BOS
1 stop17h 55mFrontier
Tue 12/3010:37 amBOS - SJO
1 stop28h 05mFrontier
Deal found 11/12![Frontier logo]()
$254
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/272:20 pmSJO - MHT
2 stops22h 27mUnited Airlines
Wed 12/37:27 pmMHT - SJO
2 stops18h 48mUnited Airlines
Deal found 11/11![United Airlines logo]()
$624
Cheap flight deals from San José to New Hampshire
Keep the following information in mind while searching for San José to New Hampshire flight deals. Data was last updated November 13, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $234 (United Airlines) |
One-way from | $129 (SmartFares) |
Popular in | April |
Cheapest in | October |
Average price | $355 |
Cheapflights Fare Finder
Customize your flight search to find flights from San José to New Hampshire 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 November 13, 2025.
Use the filters below to find and compare flights from San José to New Hampshire that are best for you.
Fly from
San José
Fly to
New Hampshire
Route
Depart
Return
Price
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Thu 3/5
11:28 pm-9:20 am
1 stop8h 52m
Boston Logan Intl
Sun 3/8
9:20 am-11:56 am
1 stop28h 36m
$234
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Thu 3/12
1:00 pm-12:19 am
1 stop9h 19m
Boston Logan Intl
Mon 3/16
8:15 pm-7:53 am
1 stop13h 38m
$234
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Sat 2/7
6:30 am-6:20 pm
1 stop10h 50m
Boston Logan Intl
Tue 2/24
5:35 am-6:16 pm
2 stops13h 41m
$234
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Tue 2/10
6:30 am-6:01 pm
1 stop10h 31m
Boston Logan Intl
Tue 2/24
5:35 am-7:53 pm
2 stops15h 18m
$234
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Thu 1/22
6:30 am-11:20 pm
1 stop15h 50m
Boston Logan Intl
Wed 1/28
7:05 am-6:16 pm
1 stop12h 11m
$234
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Mon 11/24
1:23 pm-12:16 am
1 stop9h 53m
Boston Logan Intl
Mon 12/8
6:00 am-10:28 pm
1 stop17h 28m
$244
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Mon 12/22
12:35 pm-11:38 pm
1 stop10h 03m
Boston Logan Intl
Wed 1/14
9:30 am-12:56 pm
1 stop28h 26m
$256
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Wed 12/24
8:45 am-7:37 pm
1 stop9h 52m
Boston Logan Intl
Wed 12/31
12:20 pm-1:15 pm
2 stops25h 55m
$263
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Sat 1/17
6:30 am-12:46 pm
2 stops29h 16m
Boston Logan Intl
Wed 1/21
3:25 pm-8:39 pm
1 stop30h 14m
$263
San JoséBoston
SJO - BOS
SJOBOS
San José Juan Santamaria Intl
Thu 5/7
9:00 am-11:29 pm
1 stop12h 29m
Boston Logan Intl
Sun 5/10
6:35 am-11:55 am
1 stop7h 20m
$270
Showing 1-10 of 33 results
Best time to book a flight from San José to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San José with our price prediction graph.
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 New Hampshire
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