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Cheap flights from New Hampshire to Costa Rica from $110

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 11/13. 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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Cheap round-trip flights

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Spirit Airlines Logo
5:45 am - 12:25 pmBOS-SJO
7h 40m1 stop
Spirit Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$242Spirit Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10
JetBlue Logo
7:00 am - 4:24 pmBOS-SJO
10h 24m1 stop
JetBlue Logo
1:10 pm - 11:30 pmSJO-BOS
9h 20m1 stop
$244JetBlue
Find Deal
lun., feb. 9 - mié., feb. 25
Frontier Logo
11:19 am - 1:52 pmBOS-SJO
27h 33m1 stop
Frontier Logo
3:07 pm - 10:22 amSJO-BOS
18h 15m1 stop
$246Frontier
Find Deal
vie., dic. 5 - sáb., dic. 13
American Airlines Logo
6:40 pm - 1:50 pmPWM-LIR
20h 10m2 stops
American Airlines Logo
3:30 pm - 12:11 pmLIR-PWM
19h 41m2 stops
$249American Airlines
Find Deal
mié., dic. 10 - sáb., dic. 13
American Airlines Logo
4:07 pm - 1:50 pmMHT-LIR
22h 43m2 stops
American Airlines Logo
1:25 pm - 11:40 amLIR-MHT
21h 15m2 stops
$249American Airlines
Find Deal
mié., dic. 10 - sáb., dic. 13
Spirit Airlines Logo
8:11 pm - 11:42 amBOS-SJO
16h 31m1 stop
Spirit Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$251Spirit Airlines
Find Deal
sáb., dic. 13 - mar., dic. 16
United Airlines Logo
7:05 am - 6:16 pmBOS-SJO
12h 11m1 stop
United Airlines Logo
6:30 am - 6:01 pmSJO-BOS
10h 31m1 stop
$252United Airlines
Find Deal
mar., feb. 3 - mar., feb. 10
United Airlines Logo
4:10 pm - 12:55 pmPWM-LIR
21h 45m1 stop
United Airlines Logo
8:35 am - 11:30 pmLIR-PWM
13h 55m2 stops
$256United Airlines
Find Deal
mié., feb. 4 - mié., feb. 11
Multiple Airlines Logo
6:16 am - 12:25 pmBOS-SJO
7h 09m1 stop
Multiple Airlines Logo
1:20 pm - 7:29 amSJO-BOS
17h 09m2 stops
$258Multiple Airlines
Find Deal
mar., nov. 18 - vie., nov. 21
Multiple Airlines Logo
11:28 am - 12:25 pmBOS-SJO
25h 57m2 stops
Multiple Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$267Multiple Airlines
Find Deal
jue., dic. 4 - mar., dic. 9

Spirit Airlines flights from New Hampshire to Costa Rica

Our best Spirit Airlines deals on New Hampshire to Costa Rica flight tickets
Spirit Airlines
Dec 6
BOS5:45 amBoston Logan Intl
7h 40m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Dec 10
SJO1:31 pmSan José Juan Santamaria Intl
9h 25m
1 stop
BOS11:56 pmBoston Logan Intl
$242
Find similar
Spirit Airlines
Nov 15
BOS6:16 amBoston Logan Intl
7h 09m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Nov 19
SJO1:30 pmSan José Juan Santamaria Intl
9h 29m
1 stop
BOS11:59 pmBoston Logan Intl
$246
Find similar
Spirit Airlines
Nov 12
BOS6:16 amBoston Logan Intl
7h 09m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Nov 19
SJO1:30 pmSan José Juan Santamaria Intl
9h 29m
1 stop
BOS11:59 pmBoston Logan Intl
$247
Find similar

United Airlines flights from New Hampshire to Costa Rica

Our best United Airlines deals on New Hampshire to Costa Rica flight tickets
United Airlines
Feb 3
BOS7:05 amBoston Logan Intl
12h 11m
1 stop
SJO6:16 pmSan José Juan Santamaria Intl
Feb 10
SJO6:30 amSan José Juan Santamaria Intl
10h 31m
1 stop
BOS6:01 pmBoston Logan Intl
$252
Find similar
United Airlines
Nov 13
BOS11:59 amBoston Logan Intl
8h 54m
1 stop
SJO7:53 pmSan José Juan Santamaria Intl
Nov 15
SJO8:45 amSan José Juan Santamaria Intl
13h 03m
2 stops
BOS10:48 pmBoston Logan Intl
$256
Find similar
United Airlines
Nov 13
BOS9:40 amBoston Logan Intl
11h 59m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Nov 17
SJO11:28 pmSan José Juan Santamaria Intl
10h 15m
1 stop
BOS10:43 amBoston Logan Intl
$347
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 noviembre 6, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

sáb. 12/6

5:45 am-12:25 pm

1 stop7h 40m

San José Juan Santamaria Intl

mié. 12/10

1:31 pm-11:56 pm

1 stop9h 25m

$242

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

lun. 2/9

7:00 am-4:24 pm

1 stop10h 24m

San José Juan Santamaria Intl

mié. 2/25

1:10 pm-11:30 pm

1 stop9h 20m

$244

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

vie. 12/5

11:19 am-1:52 pm

1 stop27h 33m

San José Juan Santamaria Intl

sáb. 12/13

3:07 pm-10:22 am

1 stop18h 15m

$246

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 12/10

6:40 pm-1:50 pm

2 stops20h 10m

Liberia

sáb. 12/13

3:30 pm-12:11 pm

2 stops19h 41m

$249

ManchesterLiberia

MHT - LIR

MHTLIR

Manchester

mié. 12/10

4:07 pm-1:50 pm

2 stops22h 43m

Liberia

sáb. 12/13

1:25 pm-11:40 am

2 stops21h 15m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

sáb. 12/13

8:11 pm-11:42 am

1 stop16h 31m

San José Juan Santamaria Intl

mar. 12/16

1:31 pm-11:56 pm

1 stop9h 25m

$251

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 2/3

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

mar. 2/10

6:30 am-6:01 pm

1 stop10h 31m

$252

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 2/4

4:10 pm-12:55 pm

1 stop21h 45m

Liberia

mié. 2/11

8:35 am-11:30 pm

2 stops13h 55m

$256

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

mar. 11/18

6:16 am-12:25 pm

1 stop7h 09m

San José Juan Santamaria Intl

vie. 11/21

1:20 pm-7:29 am

2 stops17h 09m

$258

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

jue. 12/4

11:28 am-12:25 pm

2 stops25h 57m

San José Juan Santamaria Intl

mar. 12/9

1:31 pm-11:56 pm

1 stop9h 25m

$267

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 $392, 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 $401.

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 $517 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 $439 on momondo.

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

You could potentially save up to 26% 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 47m

Direct flights

Every day

Airports in Costa Rica

1 airport
The fastest flight from New Hampshire to Costa Rica takes 5h 47m
Direct flights go from New Hampshire to Costa Rica every day.
There is 1 airport near Costa Rica: 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 $374Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $591Free CancellationRating
8.0
4,241 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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1 adult
sáb. 12/6
sáb. 12/13
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