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Cheap flights from New Hampshire to Costa Rica from $122

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 Costa Rica departing on 4/1. 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

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Find the cheapest flights from New Hampshire to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 am - 8:12 pm
BOS
-
SJO
14h 42m
1 stop
American Airlines Logo
12:35 pm - 11:07 pm
SJO
-
BOS
8h 32m
1 stop
$276American Airlines
mié., feb. 25 - mié., may. 6
American Airlines Logo
12:44 pm - 7:07 pm
BOS
-
SJO
8h 23m
1 stop
American Airlines Logo
12:35 pm - 10:01 am
SJO
-
BOS
19h 26m
1 stop
$277American Airlines
mié., abr. 29 - mar., may. 5
Spirit Airlines Logo
4:51 pm - 11:40 am
BOS
-
SJO
19h 49m
1 stop
Spirit Airlines Logo
12:35 pm - 10:01 pm
SJO
-
BOS
8h 26m
1 stop
$278Spirit Airlines
sáb., feb. 28 - mié., mar. 4
Spirit Airlines Logo
5:27 am - 12:22 pm
BOS
-
SJO
7h 55m
1 stop
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$279Spirit Airlines
jue., feb. 26 - vie., mar. 6
Multiple Airlines Logo
6:20 am - 12:32 pm
BOS
-
SJO
8h 12m
1 stop
Multiple Airlines Logo
11:38 am - 9:33 pm
SJO
-
BOS
7h 55m
1 stop
$280Multiple Airlines
dom., mar. 29 - mar., abr. 7
Copa Airlines Logo
7:31 am - 6:56 pm
BOS
-
SJO
12h 25m
1 stop
Copa Airlines Logo
5:51 pm - 1:42 pm
SJO
-
BOS
18h 51m
1 stop
$281Copa Airlines
mié., feb. 25 - lun., mar. 2
Multiple Airlines Logo
5:45 am - 11:14 am
BOS
-
SJO
7h 29m
1 stop
Multiple Airlines Logo
1:38 pm - 11:56 pm
SJO
-
BOS
8h 18m
1 stop
$283Multiple Airlines
mié., mar. 18 - jue., abr. 2
Copa Airlines Logo
3:05 pm - 4:46 pm
BOS
-
SJO
26h 41m
3 stops
Copa Airlines Logo
4:09 am - 2:42 pm
SJO
-
BOS
8h 33m
1 stop
$286Copa Airlines
jue., mar. 5 - lun., mar. 9
JetBlue Logo
9:54 am - 2:50 pm
BOS
-
LIR
5h 56mnonstop
JetBlue Logo
2:55 pm - 10:15 pm
LIR
-
BOS
5h 20mnonstop
$315JetBlue
lun., mar. 2 - mié., mar. 11
JetBlue Logo
9:53 am - 1:50 pm
BOS
-
LIR
5h 57mnonstop
JetBlue Logo
2:55 pm - 10:15 pm
LIR
-
BOS
5h 20mnonstop
$331JetBlue
lun., mar. 23 - jue., mar. 26

American Airlines flights from New Hampshire to Costa Rica

Our best American Airlines deals on New Hampshire to Costa Rica flight tickets
American Airlines
Feb 25
BOS6:30 amBoston Logan Intl
14h 42m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
May 6
SJO12:35 pmSan José Juan Santamaria Intl
8h 32m
1 stop
BOS11:07 pmBoston Logan Intl
$276
American Airlines
Apr 29
BOS12:44 pmBoston Logan Intl
8h 23m
1 stop
SJO7:07 pmSan José Juan Santamaria Intl
May 5
SJO12:35 pmSan José Juan Santamaria Intl
19h 26m
1 stop
BOS10:01 amBoston Logan Intl
$277
American Airlines
Feb 8
BOS2:13 pmBoston Logan Intl
10h 30m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Feb 10
SJO6:00 amSan José Juan Santamaria Intl
13h 11m
2 stops
BOS8:11 pmBoston Logan Intl
$278

Copa Airlines flights from New Hampshire to Costa Rica

Our best Copa Airlines deals on New Hampshire to Costa Rica flight tickets
Copa Airlines
Feb 25
BOS7:31 amBoston Logan Intl
12h 25m
1 stop
SJO6:56 pmSan José Juan Santamaria Intl
Mar 2
SJO5:51 pmSan José Juan Santamaria Intl
18h 51m
1 stop
BOS1:42 pmBoston Logan Intl
$281
Copa Airlines
Mar 5
BOS3:05 pmBoston Logan Intl
26h 41m
3 stops
SJO4:46 pmSan José Juan Santamaria Intl
Mar 9
SJO4:09 amSan José Juan Santamaria Intl
8h 33m
1 stop
BOS2:42 pmBoston Logan Intl
$286
Copa Airlines
Feb 26
BOS3:07 pmBoston Logan Intl
18h 59m
1 stop
SJO9:06 amSan José Juan Santamaria Intl
Mar 6
SJO5:50 amSan José Juan Santamaria Intl
15h 20m
1 stop
BOS10:10 pmBoston Logan Intl
$289

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Costa Rica 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 febrero 7, 2026.
Use the filters below to find and compare flights from New Hampshire to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mié. 2/25

6:30 am-8:12 pm

1 stop14h 42m

San José Juan Santamaria Intl

mié. 5/6

12:35 pm-11:07 pm

1 stop8h 32m

$276

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mié. 4/29

12:44 pm-7:07 pm

1 stop8h 23m

San José Juan Santamaria Intl

mar. 5/5

12:35 pm-10:01 am

1 stop19h 26m

$277

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

sáb. 2/28

4:51 pm-11:40 am

1 stop19h 49m

San José Juan Santamaria Intl

mié. 3/4

12:35 pm-10:01 pm

1 stop8h 26m

$278

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

jue. 2/26

5:27 am-12:22 pm

1 stop7h 55m

San José Juan Santamaria Intl

vie. 3/6

1:31 pm-11:44 pm

1 stop9h 13m

$279

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

dom. 3/29

6:20 am-12:32 pm

1 stop8h 12m

San José Juan Santamaria Intl

mar. 4/7

11:38 am-9:33 pm

1 stop7h 55m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mié. 2/25

7:31 am-6:56 pm

1 stop12h 25m

San José Juan Santamaria Intl

lun. 3/2

5:51 pm-1:42 pm

1 stop18h 51m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mié. 3/18

5:45 am-11:14 am

1 stop7h 29m

San José Juan Santamaria Intl

jue. 4/2

1:38 pm-11:56 pm

1 stop8h 18m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

jue. 3/5

3:05 pm-4:46 pm

3 stops26h 41m

San José Juan Santamaria Intl

lun. 3/9

4:09 am-2:42 pm

1 stop8h 33m

$286

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

lun. 3/2

9:54 am-2:50 pm

Nonstop5h 56m

Liberia

mié. 3/11

2:55 pm-10:15 pm

Nonstop5h 20m

$315

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

lun. 3/23

9:53 am-1:50 pm

Nonstop5h 57m

Liberia

jue. 3/26

2:55 pm-10:15 pm

Nonstop5h 20m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from New Hampshire to Costa Rica

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 Costa Rica?

The cheapest month to fly to Costa Rica from New Hampshire is in October. Flight prices, which tend to average around $386, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from New Hampshire to Costa Rica during September average around $391.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $481 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from New Hampshire for as low as $410 on momondo.

Can stopping save me money on New Hampshire to Costa Rica flights?

You could potentially save up to 37% on your flight if you consider stops on a New Hampshire to Costa Rica flight.

Cheap New Hampshire to Costa Rica flight deals and tips

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

Fastest flight time

5h 40m

Direct flights

Every day

Airports in Costa Rica

40 airports
The fastest flight from New Hampshire to Costa Rica takes 5h 40m
Direct flights go from New Hampshire to Costa Rica every day.
There are 40 airports in Costa Rica. From New Hampshire there are direct flights to Liberia (LIR).
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to Costa Rica?

    Prices for flights from New Hampshire to Costa Rica refresh daily.

  • How many operators does momondo search for flights from New Hampshire to Costa Rica?

  • How old do you have to be to fly from New Hampshire to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from New Hampshire to Costa Rica

Compare and see reviews for airlines that fly from New Hampshire to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $320Free CancellationRating
7.2
11,247 reviews
Search American Airlines flights
SouthwestPriceFrom $591Free CancellationRating
8.0
4,280 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Costa Rica?

It is quick and easy to find New Hampshire to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

Can I find flights from New Hampshire to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from New Hampshire on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Hampshire to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from New Hampshire.

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

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from New Hampshire and alert you when they change.

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