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Cheap flights from New Hampshire to Costa Rica from $148

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 6/14. 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.
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
5:05 am - 2:50 pm
SJO
-
BOS
7h 45m
1 stop
$339Avianca
Wed, Jun 10 - Thu, Jun 18
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
5:05 am - 2:50 pm
SJO
-
BOS
7h 45m
1 stop
$343Avianca
Mon, May 25 - Tue, Jun 16
Copa Airlines Logo
4:00 pm - 7:09 am
BOS
-
SJO
17h 09m
1 stop
Copa Airlines Logo
10:05 am - 11:08 pm
SJO
-
BOS
11h 03m
1 stop
$344Copa Airlines
Mon, Jun 1 - Thu, Jun 4
American Airlines Logo
6:46 pm - 12:26 pm
PWM
-
SJO
19h 40m
2 stops
American Airlines Logo
2:52 pm - 11:13 am
SJO
-
PWM
18h 21m
2 stops
$345American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
7:20 pm - 1:00 pm
PWM
-
SJO
19h 40m
2 stops
American Airlines Logo
3:11 pm - 12:07 pm
SJO
-
PWM
19h 56m
2 stops
$350American Airlines
Wed, Oct 28 - Sun, Nov 1
Copa Airlines Logo
4:00 pm - 7:09 am
BOS
-
SJO
17h 09m
1 stop
Copa Airlines Logo
8:47 am - 11:08 pm
SJO
-
BOS
12h 21m
1 stop
$354Copa Airlines
Mon, Jun 1 - Thu, Jun 4
United Airlines Logo
6:00 am - 11:38 am
PWM
-
SJO
7h 38m
1 stop
United Airlines Logo
1:25 pm - 9:23 am
SJO
-
PWM
17h 58m
2 stops
$462United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
5:47 am - 12:10 pm
BOS
-
LIR
8h 23m
1 stop
United Airlines Logo
4:30 pm - 3:16 pm
LIR
-
BOS
20h 46m
1 stop
$474United Airlines
Thu, Jun 4 - Mon, Jun 15
JetBlue Logo
6:00 am - 11:55 am
BOS
-
LIR
7h 55m
1 stop
JetBlue Logo
2:00 pm - 7:46 am
LIR
-
BOS
15h 46m
1 stop
$488JetBlue
Sun, May 31 - Thu, Jun 11
JetBlue Logo
6:00 am - 12:40 pm
PWM
-
LIR
8h 40m
1 stop
JetBlue Logo
2:00 pm - 1:35 pm
LIR
-
PWM
21h 35m
1 stop
$523JetBlue
Sun, Jun 21 - Sun, Jun 28

JetBlue flights from New Hampshire to Costa Rica

Our best JetBlue deals on New Hampshire to Costa Rica flight tickets
JetBlue
Jul 4
BOS6:20 amBoston Logan Intl
7h 36m
1 stop
SJO11:56 amSan José Juan Santamaria Intl
Jul 12
SJO2:02 pmSan José Juan Santamaria Intl
8h 17m
1 stop
BOS12:19 amBoston Logan Intl
$374
JetBlue
May 31
BOS6:00 amBoston Logan Intl
7h 55m
1 stop
LIR11:55 amLiberia
Jun 11
LIR2:00 pmLiberia
15h 46m
1 stop
BOS7:46 amBoston Logan Intl
$488
JetBlue
Jun 17
BOS5:15 amBoston Logan Intl
9h 25m
1 stop
LIR12:40 pmLiberia
Jun 23
LIR2:00 pmLiberia
15h 46m
1 stop
BOS7:46 amBoston Logan Intl
$498

United Airlines flights from New Hampshire to Costa Rica

Our best United Airlines deals on New Hampshire to Costa Rica flight tickets
United Airlines
Sep 1
BOS9:33 amBoston Logan Intl
12h 04m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Sep 15
SJO7:55 amSan José Juan Santamaria Intl
13h 39m
1 stop
BOS11:34 pmBoston Logan Intl
$363
United Airlines
Sep 24
PWM6:00 amPortland
7h 38m
1 stop
SJO11:38 amSan José Juan Santamaria Intl
Sep 28
SJO1:25 pmSan José Juan Santamaria Intl
17h 58m
2 stops
PWM9:23 amPortland
$462
United Airlines
Oct 28
PWM3:15 pmPortland
21h 10m
2 stops
SJO10:25 amSan José Juan Santamaria Intl
Nov 1
SJO2:20 pmSan José Juan Santamaria Intl
19h 24m
2 stops
PWM10:44 amPortland
$465

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 May 13, 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

Cheapest round-trip
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 6/10

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Thu 6/18

5:05 am-2:50 pm

1 stop7h 45m

$339

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/25

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Tue 6/16

5:05 am-2:50 pm

1 stop7h 45m

$343

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 6/1

4:00 pm-7:09 am

1 stop17h 09m

San José Juan Santamaria Intl

Thu 6/4

10:05 am-11:08 pm

1 stop11h 03m

$344

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sat 8/15

6:46 pm-12:26 pm

2 stops19h 40m

San José Juan Santamaria Intl

Sat 8/22

2:52 pm-11:13 am

2 stops18h 21m

$345

PortlandSan José

PWM - SJO

PWMSJO

Portland

Wed 10/28

7:20 pm-1:00 pm

2 stops19h 40m

San José Juan Santamaria Intl

Sun 11/1

3:11 pm-12:07 pm

2 stops19h 56m

$350

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 6/1

4:00 pm-7:09 am

1 stop17h 09m

San José Juan Santamaria Intl

Thu 6/4

8:47 am-11:08 pm

1 stop12h 21m

$354

PortlandSan José

PWM - SJO

PWMSJO

Portland

Thu 9/24

6:00 am-11:38 am

1 stop7h 38m

San José Juan Santamaria Intl

Mon 9/28

1:25 pm-9:23 am

2 stops17h 58m

$462

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Thu 6/4

5:47 am-12:10 pm

1 stop8h 23m

Liberia

Mon 6/15

4:30 pm-3:16 pm

1 stop20h 46m

$474

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sun 5/31

6:00 am-11:55 am

1 stop7h 55m

Liberia

Thu 6/11

2:00 pm-7:46 am

1 stop15h 46m

$488

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sun 6/21

6:00 am-12:40 pm

1 stop8h 40m

Liberia

Sun 6/28

2:00 pm-1:35 pm

1 stop21h 35m

$523

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 $0, 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 February is your next best option. Flight prices from New Hampshire to Costa Rica during February average around $0.

How far in advance should I book a flight from New Hampshire 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 $456 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 $381 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 49m

Direct flights

Sun

Airports in Costa Rica

40 airports
The fastest flight from New Hampshire to Costa Rica takes 5h 49m
Direct flights go from New Hampshire to Costa Rica on Sunday. There are no airlines offering direct flights.
There are 40 airports in Costa Rica. From New Hampshire there are direct flights to Liberia (LIR).
Search flight deals

Frequently asked questions about flying from New Hampshire to Costa Rica

  • 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 $399Free CancellationRating
7.1
11,662 reviews
Search American Airlines 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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Fri 6/12
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