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Cheap flights from New Hampshire to Costa Rica from $90

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from New Hampshire to Costa Rica

Cheap round-trip flights

Spirit Airlines Logo
6:10 am - 11:14 amBOS-SJO
7h 04m1 stop
Spirit Airlines Logo
12:19 pm - 11:57 pmSJO-BOS
9h 38m1 stop
$207Spirit Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Spirit Airlines Logo
6:05 am - 11:12 amBOS-SJO
7h 07m1 stop
Spirit Airlines Logo
12:19 pm - 11:57 pmSJO-BOS
9h 38m1 stop
$210Spirit Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
Copa Airlines Logo
3:49 pm - 7:27 amBOS-SJO
17h 38m1 stop
Copa Airlines Logo
4:10 am - 7:22 pmSJO-BOS
13h 12m1 stop
$268Copa Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Copa Airlines Logo
3:49 pm - 4:52 pmBOS-SJO
27h 03m3 stops
Copa Airlines Logo
4:10 am - 7:22 pmSJO-BOS
13h 12m1 stop
$273Copa Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
JetBlue Logo
6:40 am - 11:55 amBOS-SJO
7h 15m1 stop
JetBlue Logo
1:00 pm - 11:59 pmSJO-BOS
8h 59m1 stop
$280JetBlue
Find Deal
Tue, Sep 23 - Tue, Oct 7
Logo
6:05 am - 11:12 amBOS-SJO
7h 07m1 stop
Logo
8:14 am - 10:34 pmSJO-BOS
12h 20m2 stops
$286
Find Deal
Sat, Aug 23 - Sat, Aug 30
JetBlue Logo
7:32 pm - 11:55 amBOS-SJO
18h 23m1 stop
JetBlue Logo
1:00 pm - 11:59 pmSJO-BOS
8h 59m1 stop
$288JetBlue
Find Deal
Sat, Oct 11 - Sat, Oct 18
American Airlines Logo
10:04 am - 7:42 pmBOS-SJO
11h 38m2 stops
American Airlines Logo
6:00 am - 4:00 pmSJO-BOS
8h 00m1 stop
$289American Airlines
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Fri, Sep 19 - Fri, Sep 26
Logo
6:10 am - 11:14 amBOS-SJO
7h 04m1 stop
Logo
7:30 am - 11:13 amSJO-BOS
25h 43m2 stops
$290
Find Deal
Wed, Sep 10 - Tue, Sep 23
American Airlines Logo
5:30 am - 6:16 pmBOS-SJO
14h 46m1 stop
American Airlines Logo
6:44 am - 9:00 pmSJO-BOS
12h 16m1 stop
$298American Airlines
Find Deal
Fri, Oct 24 - Wed, Oct 29

Copa Airlines flights from New Hampshire to Costa Rica

Our best Copa Airlines deals on New Hampshire to Costa Rica flight tickets
Copa Airlines
Sep 16
BOS3:49 pmBoston Logan Intl
17h 38m
1 stop
SJO7:27 amSan José Juan Santamaria Intl
Sep 23
SJO4:10 amSan José Juan Santamaria Intl
13h 12m
1 stop
BOS7:22 pmBoston Logan Intl
$268
Find similar
Copa Airlines
Sep 18
BOS3:49 pmBoston Logan Intl
27h 03m
3 stops
SJO4:52 pmSan José Juan Santamaria Intl
Sep 23
SJO4:10 amSan José Juan Santamaria Intl
13h 12m
1 stop
BOS7:22 pmBoston Logan Intl
$273
Find similar
Copa Airlines
Dec 7
BOS2:42 pmBoston Logan Intl
18h 37m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Dec 13
SJO6:07 pmSan José Juan Santamaria Intl
18h 02m
1 stop
BOS1:09 pmBoston Logan Intl
$283
Find similar

Spirit Airlines flights from New Hampshire to Costa Rica

Our best Spirit Airlines deals on New Hampshire to Costa Rica flight tickets
Spirit Airlines
Sep 6
BOS6:10 amBoston Logan Intl
7h 04m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Sep 9
SJO12:19 pmSan José Juan Santamaria Intl
9h 38m
1 stop
BOS11:57 pmBoston Logan Intl
$207
Find similar
Spirit Airlines
Sep 3
BOS6:05 amBoston Logan Intl
7h 07m
1 stop
SJO11:12 amSan José Juan Santamaria Intl
Sep 10
SJO12:19 pmSan José Juan Santamaria Intl
9h 38m
1 stop
BOS11:57 pmBoston Logan Intl
$210
Find similar
Spirit Airlines
Sep 3
BOS6:05 amBoston Logan Intl
7h 07m
1 stop
SJO11:12 amSan José Juan Santamaria Intl
Sep 9
SJO12:19 pmSan José Juan Santamaria Intl
9h 38m
1 stop
BOS11:57 pmBoston Logan Intl
$222
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 August 7, 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

Sat 9/6

6:10 am-11:14 am

1 stop7h 04m

San José Juan Santamaria Intl

Tue 9/9

12:19 pm-11:57 pm

1 stop9h 38m

$207

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 9/3

6:05 am-11:12 am

1 stop7h 07m

San José Juan Santamaria Intl

Wed 9/10

12:19 pm-11:57 pm

1 stop9h 38m

$210

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/16

3:49 pm-7:27 am

1 stop17h 38m

San José Juan Santamaria Intl

Tue 9/23

4:10 am-7:22 pm

1 stop13h 12m

$268

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 9/18

3:49 pm-4:52 pm

3 stops27h 03m

San José Juan Santamaria Intl

Tue 9/23

4:10 am-7:22 pm

1 stop13h 12m

$273

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/23

6:40 am-11:55 am

1 stop7h 15m

San José Juan Santamaria Intl

Tue 10/7

1:00 pm-11:59 pm

1 stop8h 59m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 8/23

6:05 am-11:12 am

1 stop7h 07m

San José Juan Santamaria Intl

Sat 8/30

8:14 am-10:34 pm

2 stops12h 20m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 10/11

7:32 pm-11:55 am

1 stop18h 23m

San José Juan Santamaria Intl

Sat 10/18

1:00 pm-11:59 pm

1 stop8h 59m

$288

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 9/19

10:04 am-7:42 pm

2 stops11h 38m

San José Juan Santamaria Intl

Fri 9/26

6:00 am-4:00 pm

1 stop8h 00m

$289

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 9/10

6:10 am-11:14 am

1 stop7h 04m

San José Juan Santamaria Intl

Tue 9/23

7:30 am-11:13 am

2 stops25h 43m

$290

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 10/24

5:30 am-6:16 pm

1 stop14h 46m

San José Juan Santamaria Intl

Wed 10/29

6:44 am-9:00 pm

1 stop12h 16m

$298

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 $385, 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 May is your next best option. Flight prices from New Hampshire to Costa Rica during May average around $454.

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 $543 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 $440 on momondo.

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

You could potentially save up to 50% 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

Best Price Found

$90

Fastest flight time

5h 37m

Direct flights

Every day

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from New Hampshire in the past 72 hours is $90. The best round-trip flight deal from New Hampshire to Costa Rica found on momondo in the last 72 hours is $207.
The fastest flight from New Hampshire to Costa Rica takes 5h 37m
Direct flights go from New Hampshire to Costa Rica every day.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
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  • 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
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $591Free CancellationRating
8.0
4,244 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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