Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from New Hampshire to San José from $110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to San José departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from New Hampshire to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 am - 6:16 pmBOS-SJO
12h 11m1 stop
United Airlines Logo
11:28 pm - 10:45 amSJO-BOS
10h 17m1 stop
$244United Airlines
Find Deal
Sun, Feb 8 - Tue, Feb 17
American Airlines Logo
8:45 am - 7:44 pmBOS-SJO
11h 59m2 stops
American Airlines Logo
6:00 am - 8:51 pmSJO-BOS
13h 51m1 stop
$248American Airlines
Find Deal
Thu, Jan 22 - Tue, Jan 27
American Airlines Logo
3:58 pm - 12:43 pmPWM-SJO
21h 45m2 stops
American Airlines Logo
3:56 pm - 12:12 pmSJO-PWM
19h 16m2 stops
$248American Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
Spirit Airlines Logo
5:28 am - 12:22 pmBOS-SJO
7h 54m1 stop
Spirit Airlines Logo
1:30 pm - 11:57 pmSJO-BOS
9h 27m1 stop
$249Spirit Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 26
Spirit Airlines Logo
5:28 am - 12:22 pmBOS-SJO
7h 54m1 stop
Spirit Airlines Logo
1:30 pm - 11:57 pmSJO-BOS
9h 27m1 stop
$252Spirit Airlines
Find Deal
Fri, Jan 30 - Mon, Feb 2
American Airlines Logo
1:45 pm - 10:28 pmBOS-SJO
9h 43m1 stop
American Airlines Logo
6:20 am - 11:00 pmSJO-BOS
15h 40m1 stop
$253American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
American Airlines Logo
11:10 am - 10:30 pmBOS-SJO
12h 20m2 stops
American Airlines Logo
12:23 am - 11:48 amSJO-BOS
10h 25m1 stop
$255American Airlines
Find Deal
Tue, Feb 3 - Fri, Feb 13
American Airlines Logo
5:20 am - 10:30 pmPWM-SJO
18h 10m2 stops
American Airlines Logo
3:56 pm - 12:12 pmSJO-PWM
19h 16m2 stops
$255American Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
JetBlue Logo
7:00 am - 4:24 pmBOS-SJO
10h 24m1 stop
JetBlue Logo
1:15 pm - 11:59 pmSJO-BOS
9h 44m1 stop
$258JetBlue
Find Deal
Mon, Feb 9 - Fri, Feb 13
United Airlines Logo
7:05 am - 6:16 pmBOS-SJO
12h 11m1 stop
United Airlines Logo
6:30 am - 6:20 pmSJO-BOS
10h 50m1 stop
$262United Airlines
Find Deal
Thu, Jan 29 - Sat, Feb 7

Spirit Airlines flights from New Hampshire to San José

Our best Spirit Airlines deals on New Hampshire to San José flight tickets
Spirit Airlines
Jan 15
BOS5:28 amBoston Logan Intl
7h 54m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Jan 26
SJO1:30 pmSan José Juan Santamaria Intl
9h 27m
1 stop
BOS11:57 pmBoston Logan Intl
$249
Find similar
Spirit Airlines
Jan 30
BOS5:28 amBoston Logan Intl
7h 54m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 2
SJO1:30 pmSan José Juan Santamaria Intl
9h 27m
1 stop
BOS11:57 pmBoston Logan Intl
$252
Find similar
Spirit Airlines
Jan 12
BOS5:28 amBoston Logan Intl
7h 54m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Jan 30
SJO12:33 pmSan José Juan Santamaria Intl
9h 42m
1 stop
BOS11:15 pmBoston Logan Intl
$268
Find similar

Frontier flights from New Hampshire to San José

Our best Frontier deals on New Hampshire to San José flight tickets
Frontier
Jan 7
BOS6:00 amBoston Logan Intl
8h 43m
1 stop
SJO1:43 pmSan José Juan Santamaria Intl
Jan 12
SJO2:58 pmSan José Juan Santamaria Intl
9h 21m
1 stop
BOS1:19 amBoston Logan Intl
$276
Find similar
Frontier
Jan 5
BOS6:00 amBoston Logan Intl
8h 42m
1 stop
SJO1:42 pmSan José Juan Santamaria Intl
Jan 12
SJO2:58 pmSan José Juan Santamaria Intl
9h 21m
1 stop
BOS1:19 amBoston Logan Intl
$277
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire 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, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from New Hampshire to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 2/8

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

Tue 2/17

11:28 pm-10:45 am

1 stop10h 17m

$244

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/22

8:45 am-7:44 pm

2 stops11h 59m

San José Juan Santamaria Intl

Tue 1/27

6:00 am-8:51 pm

1 stop13h 51m

$248

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 2/3

3:58 pm-12:43 pm

2 stops21h 45m

San José Juan Santamaria Intl

Tue 2/24

3:56 pm-12:12 pm

2 stops19h 16m

$248

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/15

5:28 am-12:22 pm

1 stop7h 54m

San José Juan Santamaria Intl

Mon 1/26

1:30 pm-11:57 pm

1 stop9h 27m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 1/30

5:28 am-12:22 pm

1 stop7h 54m

San José Juan Santamaria Intl

Mon 2/2

1:30 pm-11:57 pm

1 stop9h 27m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 12/5

1:45 pm-10:28 pm

1 stop9h 43m

San José Juan Santamaria Intl

Fri 12/12

6:20 am-11:00 pm

1 stop15h 40m

$253

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 2/3

11:10 am-10:30 pm

2 stops12h 20m

San José Juan Santamaria Intl

Fri 2/13

12:23 am-11:48 am

1 stop10h 25m

$255

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 2/3

5:20 am-10:30 pm

2 stops18h 10m

San José Juan Santamaria Intl

Tue 2/24

3:56 pm-12:12 pm

2 stops19h 16m

$255

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/9

7:00 am-4:24 pm

1 stop10h 24m

San José Juan Santamaria Intl

Fri 2/13

1:15 pm-11:59 pm

1 stop9h 44m

$258

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/29

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-6:20 pm

1 stop10h 50m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San José from

How to get the cheapest flight ticket from New Hampshire to San José

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San José?

In general, September is the cheapest month to fly from New Hampshire to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $392. If you don’t want to visit San José in September, then you should wait until October to fly from New Hampshire, when ticket prices are also cheap, with an average price of $393.

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from New Hampshire is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $450. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from New Hampshire to San José on a Saturday will generally be more expensive and average around $660. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest New Hampshire to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $445. Flights in the morning are often more expensive with an average ticket price of $583.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $509 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from New Hampshire for as low as $439 on momondo.

Can stopping save me money on New Hampshire to San José flights?

You could potentially save up to 26% on your flight if you consider stops on a New Hampshire to San José flight.

Cheap New Hampshire to San José flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to San José

Direct flights

None
There are no direct flights from New Hampshire to San José. There are no popular flight routes from New Hampshire to San José.
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to San José Juan Santamaria Intl Airport?

    Prices for flights from New Hampshire to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from New Hampshire to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Hampshire to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents required for your trip to San José Juan Santamaria Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to San José

Compare and see reviews for airlines that fly from New Hampshire to San José with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $374Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $591Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to San José?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New Hampshire to San José. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New Hampshire to San José with flexible booking policies on momondo?

momondo does allow users to show only those flights to San José from New Hampshire which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Hampshire to San José?

Once all potential New Hampshire to San José flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New Hampshire to San José right now. Can momondo alert me if prices change?

If you are not ready to book a flight from New Hampshire to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/20
Sat 12/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica