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Cheap flights from New Hampshire to Costa Rica from $168

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 9/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Hampshire to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
2:50 pm - 10:59 am
BOS
-
SJO
21h 09m
1 stop
Copa Airlines Logo
5:34 am - 9:59 pm
SJO
-
BOS
15h 25m
1 stop
$364Copa Airlines
Wed, Nov 11 - Wed, Feb 3
Delta Logo
5:30 am - 11:54 am
BOS
-
SJO
8h 24m
1 stop
Delta Logo
1:23 pm - 12:58 am
SJO
-
BOS
9h 35m
1 stop
$366Delta
Tue, Sep 29 - Sat, Oct 10
Copa Airlines Logo
3:57 pm - 7:12 am
BOS
-
SJO
17h 15m
1 stop
Copa Airlines Logo
4:08 am - 2:34 pm
SJO
-
BOS
8h 26m
1 stop
$369Copa Airlines
Tue, Jul 21 - Fri, Jul 24
American Airlines Logo
7:19 pm - 11:05 am
BOS
-
SJO
17h 46m
2 stops
American Airlines Logo
2:45 pm - 12:34 am
SJO
-
BOS
7h 49m
1 stop
$371American Airlines
Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
6:44 am - 1:39 pm
BOS
-
SJO
7h 55m
1 stop
American Airlines Logo
1:23 pm - 11:06 am
SJO
-
BOS
20h 43m
1 stop
$374American Airlines
Tue, Nov 10 - Mon, Nov 16
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
$375Avianca
Sat, Sep 5 - Sun, Sep 13
United Airlines Logo
9:33 am - 7:37 pm
BOS
-
SJO
12h 04m
2 stops
United Airlines Logo
7:55 am - 11:39 pm
SJO
-
BOS
13h 44m
1 stop
$376United Airlines
Tue, Sep 22 - Tue, Sep 29
Air Canada Logo
11:10 am - 2:10 pm
BOS
-
LIR
29h 00m
1 stop
Air Canada Logo
3:20 pm - 6:49 pm
LIR
-
BOS
26h 29m
2 stops
$409Air Canada
Sat, Oct 31 - Sat, Nov 7
Air Canada Logo
7:40 pm - 2:10 pm
BOS
-
LIR
20h 30m
1 stop
Air Canada Logo
3:20 pm - 9:58 am
LIR
-
BOS
17h 38m
1 stop
$410Air Canada
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
8:47 am - 11:44 am
PWM
-
LIR
27h 57m
2 stops
United Airlines Logo
2:20 pm - 2:20 pm
LIR
-
PWM
23h 00m
2 stops
$507United Airlines
Mon, Nov 9 - Thu, Nov 12

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Avianca flights from New Hampshire to Costa Rica

Our best Avianca deals on New Hampshire to Costa Rica flight tickets
Avianca
Sep 5
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Sep 13
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$375
Avianca
Oct 9
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Oct 17
SJO7:45 pmSan José Juan Santamaria Intl
17h 05m
1 stop
BOS2:50 pmBoston Logan Intl
$385
Avianca
Sep 14
BOS4:50 pmBoston Logan Intl
8h 50m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Sep 23
SJO5:05 amSan José Juan Santamaria Intl
7h 45m
1 stop
BOS2:50 pmBoston Logan Intl
$391

American Airlines flights from New Hampshire to Costa Rica

Our best American Airlines deals on New Hampshire to Costa Rica flight tickets
American Airlines
Oct 14
BOS7:19 pmBoston Logan Intl
17h 46m
2 stops
SJO11:05 amSan José Juan Santamaria Intl
Oct 21
SJO2:45 pmSan José Juan Santamaria Intl
7h 49m
1 stop
BOS12:34 amBoston Logan Intl
$371
American Airlines
Nov 10
BOS6:44 amBoston Logan Intl
7h 55m
1 stop
SJO1:39 pmSan José Juan Santamaria Intl
Nov 16
SJO1:23 pmSan José Juan Santamaria Intl
20h 43m
1 stop
BOS11:06 amBoston Logan Intl
$374
American Airlines
Aug 19
BOS9:32 amBoston Logan Intl
12h 21m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Aug 31
SJO1:29 pmSan José Juan Santamaria Intl
19h 06m
1 stop
BOS10:35 amBoston Logan Intl
$379

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 June 29, 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

Wed 11/11

2:50 pm-10:59 am

1 stop21h 09m

San José Juan Santamaria Intl

Wed 2/3

5:34 am-9:59 pm

1 stop15h 25m

$364
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/29

5:30 am-11:54 am

1 stop8h 24m

San José Juan Santamaria Intl

Sat 10/10

1:23 pm-12:58 am

1 stop9h 35m

$366

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/21

3:57 pm-7:12 am

1 stop17h 15m

San José Juan Santamaria Intl

Fri 7/24

4:08 am-2:34 pm

1 stop8h 26m

$369

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 10/14

7:19 pm-11:05 am

2 stops17h 46m

San José Juan Santamaria Intl

Wed 10/21

2:45 pm-12:34 am

1 stop7h 49m

$371

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/10

6:44 am-1:39 pm

1 stop7h 55m

San José Juan Santamaria Intl

Mon 11/16

1:23 pm-11:06 am

1 stop20h 43m

$374

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 9/5

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sun 9/13

7:45 pm-2:50 pm

1 stop17h 05m

$375

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/22

9:33 am-7:37 pm

2 stops12h 04m

San José Juan Santamaria Intl

Tue 9/29

7:55 am-11:39 pm

1 stop13h 44m

$376

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sat 10/31

11:10 am-2:10 pm

1 stop29h 00m

Liberia

Sat 11/7

3:20 pm-6:49 pm

2 stops26h 29m

$409

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sat 10/31

7:40 pm-2:10 pm

1 stop20h 30m

Liberia

Sat 11/7

3:20 pm-9:58 am

1 stop17h 38m

$410

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 11/9

8:47 am-11:44 am

2 stops27h 57m

Liberia

Thu 11/12

2:20 pm-2:20 pm

2 stops23h 00m

$507

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 $462 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 $389 on momondo.

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

You could potentially save up to 11% 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

Every day

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 every day.
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 $416Free CancellationRating
7.1
11,768 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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