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Cheap flights from New Hampshire to Costa Rica from $136

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 4/28. 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
1 adult, Economy, 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.
Multiple Airlines Logo
5:30 am - 12:12 pm
BOS
-
SJO
8h 42m
1 stop
Multiple Airlines Logo
1:45 pm - 11:52 pm
SJO
-
BOS
8h 07m
1 stop
$280Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
5:30 am - 12:12 pm
BOS
-
SJO
8h 42m
1 stop
Multiple Airlines Logo
12:19 pm - 11:20 pm
SJO
-
BOS
9h 01m
1 stop
$284Multiple Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
6:15 am - 11:33 am
BOS
-
SJO
7h 18m
1 stop
Multiple Airlines Logo
7:48 pm - 10:45 am
SJO
-
BOS
12h 57m
1 stop
$298Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
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
$307Avianca
Fri, May 15 - Mon, May 18
Copa Airlines Logo
4:00 pm - 7:09 am
BOS
-
SJO
17h 09m
1 stop
Copa Airlines Logo
4:10 am - 11:08 pm
SJO
-
BOS
16h 58m
1 stop
$308Copa Airlines
Thu, May 7 - Tue, May 12
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
7:45 pm - 2:50 pm
SJO
-
BOS
17h 05m
1 stop
$309Avianca
Fri, May 1 - Sun, May 17
American Airlines Logo
6:01 pm - 1:10 pm
PWM
-
LIR
21h 09m
2 stops
American Airlines Logo
12:30 pm - 10:07 am
LIR
-
PWM
19h 37m
2 stops
$319American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
6:00 am - 11:28 am
MHT
-
LIR
7h 28m
1 stop
American Airlines Logo
2:10 pm - 11:42 am
LIR
-
MHT
19h 32m
2 stops
$324American Airlines
Wed, May 6 - Wed, May 13
GOL Logo
6:57 pm - 11:22 am
BOS
-
LIR
18h 25m
2 stops
GOL Logo
2:45 pm - 11:11 am
LIR
-
BOS
18h 26m
2 stops
$343GOL
Tue, Jun 2 - Mon, Jun 8
GOL Logo
6:00 pm - 1:18 pm
BOS
-
LIR
21h 18m
1 stop
GOL Logo
2:45 pm - 11:11 am
LIR
-
BOS
18h 26m
2 stops
$352GOL
Tue, Jun 2 - Mon, Jun 8

Copa Airlines flights from New Hampshire to Costa Rica

Our best Copa Airlines deals on New Hampshire to Costa Rica flight tickets
Copa Airlines
May 7
BOS4:00 pmBoston Logan Intl
17h 09m
1 stop
SJO7:09 amSan José Juan Santamaria Intl
May 11
SJO10:05 amSan José Juan Santamaria Intl
11h 03m
1 stop
BOS11:08 pmBoston Logan Intl
$308
Copa Airlines
Apr 7
BOS3:46 pmBoston Logan Intl
19h 19m
1 stop
SJO9:05 amSan José Juan Santamaria Intl
Apr 9
SJO5:46 amSan José Juan Santamaria Intl
15h 23m
1 stop
BOS11:09 pmBoston Logan Intl
$314
Copa Airlines
Apr 7
BOS3:46 pmBoston Logan Intl
17h 22m
1 stop
SJO7:08 amSan José Juan Santamaria Intl
Apr 9
SJO4:09 amSan José Juan Santamaria Intl
17h 00m
1 stop
BOS11:09 pmBoston Logan Intl
$318

Avianca flights from New Hampshire to Costa Rica

Our best Avianca deals on New Hampshire to Costa Rica flight tickets
Avianca
May 18
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
May 29
SJO5:05 amSan José Juan Santamaria Intl
7h 45m
1 stop
BOS2:50 pmBoston Logan Intl
$309
Avianca
May 1
BOS4:50 pmBoston Logan Intl
17h 55m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
May 17
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$319
Avianca
May 6
BOS4:50 pmBoston Logan Intl
17h 55m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
May 14
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$326

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 March 28, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/9

5:30 am-12:12 pm

1 stop8h 42m

San José Juan Santamaria Intl

Thu 4/16

1:45 pm-11:52 pm

1 stop8h 07m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 4/9

5:30 am-12:12 pm

1 stop8h 42m

San José Juan Santamaria Intl

Tue 4/14

12:19 pm-11:20 pm

1 stop9h 01m

$284

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 6/1

6:15 am-11:33 am

1 stop7h 18m

San José Juan Santamaria Intl

Tue 6/9

7:48 pm-10:45 am

1 stop12h 57m

$298
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/15

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Mon 5/18

5:05 am-2:50 pm

1 stop7h 45m

$307

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 5/7

4:00 pm-7:09 am

1 stop17h 09m

San José Juan Santamaria Intl

Tue 5/12

4:10 am-11:08 pm

1 stop16h 58m

$308

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/1

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sun 5/17

7:45 pm-2:50 pm

1 stop17h 05m

$309

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sat 5/2

6:01 pm-1:10 pm

2 stops21h 09m

Liberia

Wed 5/6

12:30 pm-10:07 am

2 stops19h 37m

$319

ManchesterLiberia

MHT - LIR

MHTLIR

Manchester

Wed 5/6

6:00 am-11:28 am

1 stop7h 28m

Liberia

Wed 5/13

2:10 pm-11:42 am

2 stops19h 32m

$324

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Tue 6/2

6:57 pm-11:22 am

2 stops18h 25m

Liberia

Mon 6/8

2:45 pm-11:11 am

2 stops18h 26m

$343

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Tue 6/2

6:00 pm-1:18 pm

1 stop21h 18m

Liberia

Mon 6/8

2:45 pm-11:11 am

2 stops18h 26m

$352

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 $347, 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 $383.

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 $458 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 $363 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
7.1
11,507 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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