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Cheap flights from New Hampshire to Costa Rica from $112

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 2/26. 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
6:28 pm - 12:23 pm
PWM
-
SJO
18h 55m2 stops
American Airlines Logo
3:55 pm - 12:13 pm
SJO
-
PWM
19h 18m2 stops
$249American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
5:05 pm - 10:25 am
MHT
-
SJO
18h 20m2 stops
American Airlines Logo
12:26 pm - 11:21 am
SJO
-
MHT
20h 55m2 stops
$249American Airlines
Wed, Mar 4 - Wed, Mar 11
JetBlue Logo
9:10 am - 4:23 pm
BOS
-
SJO
8h 13m1 stop
JetBlue Logo
1:45 pm - 11:48 pm
SJO
-
BOS
9h 03m1 stop
$258JetBlue
Sun, Feb 1 - Sun, Feb 8
Spirit Airlines Logo
5:27 am - 12:22 pm
BOS
-
SJO
7h 55m1 stop
Spirit Airlines Logo
1:31 pm - 11:46 pm
SJO
-
BOS
9h 15m1 stop
$259Spirit Airlines
Thu, Feb 19 - Fri, Feb 27
Spirit Airlines Logo
5:34 am - 12:22 pm
BOS
-
SJO
7h 48m1 stop
Spirit Airlines Logo
1:30 pm - 11:57 pm
SJO
-
BOS
9h 27m1 stop
$260Spirit Airlines
Fri, Jan 23 - Thu, Jan 29
Multiple Airlines Logo
5:23 pm - 11:25 am
BOS
-
SJO
19h 02m2 stops
Multiple Airlines Logo
3:12 pm - 1:13 am
SJO
-
BOS
9h 01m1 stop
$262Multiple Airlines
Wed, Jan 14 - Sat, Jan 17
Multiple Airlines Logo
5:34 am - 12:22 pm
BOS
-
SJO
7h 48m1 stop
Multiple Airlines Logo
3:12 pm - 1:13 am
SJO
-
BOS
9h 01m1 stop
$268Multiple Airlines
Thu, Jan 8 - Sat, Jan 17
JetBlue Logo
6:10 am - 12:18 pm
BOS
-
SJO
8h 08m1 stop
JetBlue Logo
1:38 pm - 12:02 am
SJO
-
BOS
8h 24m1 stop
$269JetBlue
Thu, Apr 2 - Thu, Apr 9
Delta Logo
5:35 am - 12:50 pm
BOS
-
LIR
8h 15m1 stop
Delta Logo
1:40 pm - 7:55 pm
LIR
-
BOS
5h 15mnonstop
$315Delta
Mon, Jan 19 - Sat, Jan 24
Delta Logo
4:51 pm - 1:30 pm
BOS
-
LIR
21h 39m2 stops
Delta Logo
1:40 pm - 7:55 pm
LIR
-
BOS
5h 15mnonstop
$319Delta
Mon, Jan 5 - Sat, Jan 31

American Airlines flights from New Hampshire to Costa Rica

Our best American Airlines deals on New Hampshire to Costa Rica flight tickets
American Airlines
Mar 4
MHT5:05 pmManchester
18h 20m
2 stops
SJO10:25 amSan José Juan Santamaria Intl
Mar 11
SJO12:26 pmSan José Juan Santamaria Intl
20h 55m
2 stops
MHT11:21 amManchester
$249
Find similar
American Airlines
Jan 1
BOS6:36 amBoston Logan Intl
14h 38m
1 stop
SJO8:14 pmSan José Juan Santamaria Intl
Jan 29
SJO6:38 amSan José Juan Santamaria Intl
9h 43m
1 stop
BOS5:21 pmBoston Logan Intl
$257
Find similar
American Airlines
Mar 2
BOS6:30 amBoston Logan Intl
14h 43m
1 stop
SJO8:13 pmSan José Juan Santamaria Intl
Mar 10
SJO7:00 amSan José Juan Santamaria Intl
10h 36m
2 stops
BOS7:36 pmBoston Logan Intl
$295
Find similar

Frontier flights from New Hampshire to Costa Rica

Our best Frontier deals on New Hampshire to Costa Rica flight tickets
Frontier
Jan 9
BOS6:00 amBoston Logan Intl
31h 14m
1 stop
SJO12:14 pmSan José Juan Santamaria Intl
Jan 17
SJO3:12 pmSan José Juan Santamaria Intl
9h 01m
1 stop
BOS1:13 amBoston Logan Intl
$279
Find similar
Frontier
Jan 11
BOS11:06 amBoston Logan Intl
27h 30m
2 stops
SJO1:36 pmSan José Juan Santamaria Intl
Jan 17
SJO3:12 pmSan José Juan Santamaria Intl
9h 01m
1 stop
BOS1:13 amBoston Logan Intl
$281
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
$342
Find similar

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 December 23, 2025.
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

PortlandSan José

PWM - SJO

PWMSJO

Portland

Thu 2/26

6:28 pm-12:23 pm

2 stops18h 55m

San José Juan Santamaria Intl

Thu 3/5

3:55 pm-12:13 pm

2 stops19h 18m

$249

ManchesterSan José

MHT - SJO

MHTSJO

Manchester

Wed 3/4

5:05 pm-10:25 am

2 stops18h 20m

San José Juan Santamaria Intl

Wed 3/11

12:26 pm-11:21 am

2 stops20h 55m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 2/1

9:10 am-4:23 pm

1 stop8h 13m

San José Juan Santamaria Intl

Sun 2/8

1:45 pm-11:48 pm

1 stop9h 03m

$258

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/19

5:27 am-12:22 pm

1 stop7h 55m

San José Juan Santamaria Intl

Fri 2/27

1:31 pm-11:46 pm

1 stop9h 15m

$259

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 1/23

5:34 am-12:22 pm

1 stop7h 48m

San José Juan Santamaria Intl

Thu 1/29

1:30 pm-11:57 pm

1 stop9h 27m

$260

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 1/14

5:23 pm-11:25 am

2 stops19h 02m

San José Juan Santamaria Intl

Sat 1/17

3:12 pm-1:13 am

1 stop9h 01m

$262

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/8

5:34 am-12:22 pm

1 stop7h 48m

San José Juan Santamaria Intl

Sat 1/17

3:12 pm-1:13 am

1 stop9h 01m

$268

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/2

6:10 am-12:18 pm

1 stop8h 08m

San José Juan Santamaria Intl

Thu 4/9

1:38 pm-12:02 am

1 stop8h 24m

$269

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 1/19

5:35 am-12:50 pm

1 stop8h 15m

Liberia

Sat 1/24

1:40 pm-7:55 pm

Nonstop5h 15m

$315

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 1/5

4:51 pm-1:30 pm

2 stops21h 39m

Liberia

Sat 1/31

1:40 pm-7:55 pm

Nonstop5h 15m

$319

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 September. Flight prices, which tend to average around $387, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from New Hampshire to Costa Rica during October average around $390.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Monday is the cheapest day to fly to Costa Rica from New Hampshire. The lowest ticket price found for a Monday departure recently was $403. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $877. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from New Hampshire to Costa Rica when you can find flight prices for as low as $543. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $837. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $493 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 $445 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

Mon, Tue, Thu, Fri, Sat and Sun

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 on Monday, Tuesday, Thursday, Friday, Saturday and 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

  • 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 $385Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $591Free CancellationRating
8.0
4,253 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.

An easier way to manage your Costa Rica trip

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