$89+ Cheap flights from San Juan 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — MHT
Jan 14 — Jan 211
1 adult, Economy
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Cheapest flights from San Juan to New HampshireExplore the most affordable flight options available from San Juan to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
Explore the most affordable flight options available from San Juan to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amSJU - BOS
Nonstop4h 23mFrontier
Sun 1/410:18 amBOS - SJU
Nonstop4h 04mFrontier
Deal found 12/15![Frontier logo]()
$116
This eDestinos deal was found by Cheapflights users on 12/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:15 pmSJU - BOS
Nonstop4h 24mSpirit Airlines
Thu 1/17:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Deal found 12/15![Spirit Airlines logo]()
$123
This Priceline deal was found by Cheapflights users on 12/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:00 amSJU - BOS
Nonstop4h 23mFrontier
Tue 1/66:00 amBOS - SJU
1 stop8h 19mFrontier
Deal found 12/12![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSJU - BOS
Nonstop4h 23mFrontier
Sat 1/1012:03 pmBOS - SJU
1 stop24h 46mFrontier
Deal found 12/15![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amSJU - BOS
Nonstop4h 23mFrontier
Mon 1/1211:41 amBOS - SJU
1 stop14h 09mFrontier
Deal found 12/14![Frontier logo]()
$126
This eDestinos deal was found by Cheapflights users on 12/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Sat 1/103:18 pmBOS - SJU
Nonstop4h 06mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$127
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Sun 1/45:45 amBOS - SJU
1 stop15h 20mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$128
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:00 amSJU - BOS
Nonstop4h 23mFrontier
Mon 1/58:08 amBOS - SJU
1 stop16h 16mFrontier
Deal found 12/15![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/258:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Mon 1/57:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
Sun 12/213:15 pmSJU - BOS
Nonstop4h 24mSpirit Airlines
Fri 1/27:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Deal found 12/14![Spirit Airlines logo]()
$135
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:15 pmSJU - BOS
Nonstop4h 24mSpirit Airlines
Sat 1/37:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Deal found 12/15![Spirit Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:35 pmSJU - MHT
1 stop15h 41mAmerican Airlines
Sun 1/46:00 amMHT - SJU
1 stop16h 59mAmerican Airlines
Deal found 12/13![American Airlines logo]()
$348
Find flight deals from San Juan to New Hampshire
Keep the following information in mind while searching for San Juan to New Hampshire flight deals. Data was last updated December 15, 2025.
Round-trip from | $116 (Expedia) |
|---|---|
One-way from | $89 (Cheapflightsfares) |
Popular in | July |
Cheapest in | February |
Average price | $246 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan 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 December 15, 2025.
Use the filters below to find and compare flights from San Juan to New Hampshire that are best for you.
Fly from
San Juan
Fly to
New Hampshire
Route
Depart
Return
Price
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 2/5
10:52 am-2:12 pm
Nonstop4h 20m
Boston Logan Intl
Sun 2/8
3:18 pm-8:24 pm
Nonstop4h 06m
$135
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 1/30
10:52 am-2:12 pm
Nonstop4h 20m
Boston Logan Intl
Wed 2/11
3:18 pm-8:24 pm
Nonstop4h 06m
$136
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 12/24
2:59 am-11:34 am
1 stop9h 35m
Boston Logan Intl
Thu 1/1
7:34 pm-12:41 am
Nonstop4h 07m
$142
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 12/25
2:44 pm-7:23 am
1 stop17h 39m
Boston Logan Intl
Tue 1/6
12:31 pm-5:30 pm
Nonstop3h 59m
$146
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 1/22
4:40 pm-11:57 pm
1 stop8h 17m
Boston Logan Intl
Sat 1/24
3:18 pm-8:24 pm
Nonstop4h 06m
$156
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 1/15
8:10 am-2:17 pm
1 stop7h 07m
Boston Logan Intl
Tue 1/20
9:30 am-12:36 am
2 stops14h 06m
$195
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 12/25
8:10 am-6:48 pm
2 stops11h 38m
Boston Logan Intl
Mon 1/5
4:31 pm-12:36 am
1 stop7h 05m
$203
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 12/25
2:05 am-9:19 am
1 stop8h 14m
Boston Logan Intl
Mon 1/5
4:31 pm-12:36 am
1 stop7h 05m
$203
San JuanManchester
SJU - MHT
SJUMHT
San Juan Luis Munoz Marin Intl
Thu 1/22
8:10 am-1:42 pm
1 stop6h 32m
Manchester
Sun 1/25
2:17 pm-10:22 pm
1 stop7h 05m
$215
San JuanWorcester
SJU - ORH
SJUORH
San Juan Luis Munoz Marin Intl
Fri 1/23
6:30 am-1:53 pm
1 stop8h 23m
Worcester
Mon 1/26
2:18 pm-11:56 pm
1 stop8h 38m
$231
Showing 1-10 of 48 results
Best time to book a flight from San Juan to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Juan 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 Juan to New Hampshire
What is the cheapest time of day to fly from SJU to NH?
Find hourly flight availability from San Juan to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.
One of the essential ways to save on airfare from San Juan to New Hampshire is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 67% on airfare.