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Cheap flights from Boston to Costa Rica from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Costa Rica departing on 3/3. 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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Find the cheapest flights from Boston to Costa Rica

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Costa Rica that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Costa Rica.

Cheap last minute flights

Planning a quick getaway from Boston to Costa Rica? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Costa Rica, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Costa Rica

Find recent round-trip train or bus tickets from Boston to Costa Rica.

All round-trip flight deals from Boston to Costa Rica

The cheapest plane tickets from Boston to Costa Rica found on KAYAK recently.
8:16 pm - 12:20 pmBOS-SJO
17h 04m1 stop
1:50 am - 4:32 pmSJO-BOS
13h 42m1 stop
$284Spirit Airlines
Find Deal
Mon, Mar 3 - Wed, Mar 5
11:14 am - 11:50 pmBOS-SJO
14h 36m1 stop
12:50 am - 4:32 pmSJO-BOS
13h 42m1 stop
$285Spirit Airlines
Find Deal
Tue, Mar 11 - Mon, Mar 17
8:16 pm - 12:20 pmBOS-SJO
17h 04m1 stop
12:50 am - 4:32 pmSJO-BOS
13h 42m1 stop
$287Spirit Airlines
Find Deal
Mon, Mar 3 - Mon, Mar 10
6:55 am - 10:29 amBOS-LIR
5h 34mnonstop
11:44 am - 7:09 pmLIR-BOS
5h 25mnonstop
$358JetBlue
Find Deal
Mon, Apr 7 - Mon, Apr 14
5:25 am - 1:55 pmBOS-LIR
9h 30m1 stop
3:45 pm - 11:42 amLIR-BOS
18h 57m1 stop
$370American Airlines
Find Deal
Thu, Feb 27 - Wed, Mar 5
7:35 pm - 12:20 pmBOS-LIR
17h 45m2 stops
2:20 pm - 9:19 amLIR-BOS
17h 59m1 stop
$377American Airlines
Find Deal
Sun, Mar 2 - Thu, Mar 6
6:55 am - 10:29 amBOS-LIR
5h 34mnonstop
11:44 am - 7:09 pmLIR-BOS
5h 25mnonstop
$388JetBlue
Find Deal
Mon, Mar 31 - Mon, Apr 7
6:55 am - 2:29 pmBOS-LIR
8h 34m1 stop
3:54 pm - 12:58 amLIR-BOS
8h 04m1 stop
$433Delta
Find Deal
Mon, Feb 3 - Fri, Feb 7
3:36 pm - 7:36 amBOS-SJO
18h 00m1 stop
8:09 am - 7:26 pmSJO-BOS
9h 17m1 stop
$435Copa Airlines
Find Deal
Mon, Apr 21 - Thu, May 1
7:26 am - 12:25 pmBOS-LIR
5h 59mnonstop
1:50 pm - 8:10 pmLIR-BOS
5h 20mnonstop
$488Delta
Find Deal
Sat, Feb 8 - Sat, Feb 15
3:45 pm - 11:20 pmBOS-SJO
8h 35m1 stop
$121Avianca
Find Deal
Mon, Mar 3
2:10 pm - 11:50 pmBOS-SJO
11h 40m1 stop
$127Spirit Airlines
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Tue, Apr 1
7:28 am - 11:15 amBOS-LIR
5h 47mnonstop
$186JetBlue
Find Deal
Wed, Mar 19
5:40 am - 2:29 pmBOS-LIR
9h 49m1 stop
$191Delta
Find Deal
Sun, Feb 23
11:25 am - 9:29 pmBOS-SJO
12h 04m1 stop
$193JetBlue
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Sun, Mar 30
8:25 pm - 1:11 pmBOS-LIR
18h 46m2 stops
$196American Airlines
Find Deal
Mon, Mar 24
7:28 pm - 2:29 pmBOS-LIR
20h 01m1 stop
$202American Airlines
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Fri, Feb 21
3:55 pm - 7:35 amBOS-SJO
17h 40m1 stop
$211Copa Airlines
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Thu, Jun 12
3:55 pm - 7:35 amBOS-SJO
17h 40m1 stop
$223Copa Airlines
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Thu, Jun 19
8:02 am - 11:50 amBOS-LIR
5h 48mnonstop
$351Delta
Find Deal
Sat, Apr 12
12:15 pm - 3:56 pmBOS-SJO
28h 41m2 stops
12:25 pm - 12:27 amSJO-BOS
11h 02m1 stop
Wed, Jan 22 - Wed, Jan 29
6:00 am - 12:26 pmBOS-SJO
31h 26m2 stops
1:31 pm - 10:36 amSJO-BOS
20h 05m1 stop
Sun, Jan 26 - Thu, Feb 6
3:40 pm - 1:45 pmBOS-LIR
23h 05m1 stop
2:45 pm - 8:03 pmLIR-BOS
28h 18m1 stop
$417Air Canada
Find Deal
Wed, Jan 22 - Thu, Jan 30
6:56 pm - 12:26 pmBOS-SJO
18h 30m2 stops
1:31 pm - 9:28 amSJO-BOS
18h 57m2 stops
$436Spirit Airlines
Find Deal
Sun, Jan 26 - Thu, Feb 6
11:31 am - 12:26 pmBOS-SJO
25h 55m1 stop
1:31 pm - 10:36 amSJO-BOS
20h 05m1 stop
$443Spirit Airlines
Find Deal
Sun, Jan 26 - Thu, Feb 6
5:20 am - 1:59 pmBOS-LIR
9h 39m2 stops
1:05 pm - 8:15 amLIR-BOS
18h 10m1 stop
$652American Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
6:41 am - 11:26 amBOS-LIR
5h 45mnonstop
2:30 pm - 12:18 amLIR-BOS
8h 48m1 stop
$653JetBlue
Find Deal
Sun, Jan 26 - Thu, Feb 6
5:20 am - 12:30 pmBOS-LIR
8h 10m1 stop
3:35 pm - 11:34 amLIR-BOS
18h 59m1 stop
$662American Airlines
Find Deal
Sun, Jan 26 - Sun, Feb 2
6:41 am - 11:24 amBOS-LIR
5h 43mnonstop
2:30 pm - 12:18 amLIR-BOS
8h 48m1 stop
$733JetBlue
Find Deal
Sat, Jan 25 - Mon, Jan 27
7:49 am - 3:56 pmBOS-SJO
9h 07m1 stop
6:09 pm - 12:56 pmSJO-BOS
17h 47m1 stop
$2,357Copa Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
6:55 am - 10:29 amBOS-LIR
5h 34mnonstop
11:44 am - 7:09 pmLIR-BOS
5h 25mnonstop
$358JetBlue
Find Deal
Mon, Apr 7 - Mon, Apr 14
6:55 am - 10:29 amBOS-LIR
5h 34mnonstop
11:44 am - 7:09 pmLIR-BOS
5h 25mnonstop
$388JetBlue
Find Deal
Mon, Mar 31 - Mon, Apr 7
7:37 am - 11:24 amBOS-LIR
5h 47mnonstop
11:44 am - 7:09 pmLIR-BOS
5h 25mnonstop
$458JetBlue
Find Deal
Mon, Mar 24 - Mon, Mar 31
7:26 am - 12:25 pmBOS-LIR
5h 59mnonstop
1:50 pm - 8:10 pmLIR-BOS
5h 20mnonstop
$488Delta
Find Deal
Sat, Feb 8 - Sat, Feb 15
6:41 am - 11:24 amBOS-LIR
5h 43mnonstop
12:15 pm - 6:44 pmLIR-BOS
5h 29mnonstop
$513JetBlue
Find Deal
Sat, Feb 1 - Sat, Feb 15
6:41 am - 11:26 amBOS-LIR
5h 45mnonstop
4:08 pm - 10:28 pmLIR-BOS
5h 20mnonstop
$578JetBlue
Find Deal
Sun, Feb 9 - Mon, Feb 17
6:41 am - 11:24 amBOS-LIR
5h 43mnonstop
12:15 pm - 6:44 pmLIR-BOS
5h 29mnonstop
$633JetBlue
Find Deal
Sat, Feb 1 - Sat, Feb 15
6:41 am - 11:24 amBOS-LIR
5h 43mnonstop
12:48 pm - 7:13 pmLIR-BOS
5h 25mnonstop
$688JetBlue
Find Deal
Sat, Feb 1 - Sat, Feb 8
7:26 am - 12:25 pmBOS-LIR
5h 59mnonstop
1:50 pm - 8:10 pmLIR-BOS
5h 20mnonstop
$693Delta
Find Deal
Sat, Feb 1 - Sat, Feb 8
6:41 am - 11:24 amBOS-LIR
5h 43mnonstop
12:35 pm - 8:00 pmLIR-BOS
5h 25mnonstop
$728JetBlue
Find Deal
Mon, Mar 3 - Wed, Mar 19

Avianca flights from Boston to Costa Rica

Our best Avianca deals on Boston to Costa Rica flight tickets
Avianca
Jan 23
BOS7:55 amBoston Logan Intl
17h 20m
1 stop
SJO12:15 amSan José Juan Santamaria Intl
Jan 31
SJO3:45 pmSan José Juan Santamaria Intl
13h 50m
1 stop
BOS6:35 amBoston Logan Intl
Avianca
Jan 23
BOS7:55 amBoston Logan Intl
17h 20m
1 stop
SJO12:15 amSan José Juan Santamaria Intl
Jan 27
SJO3:14 pmSan José Juan Santamaria Intl
14h 21m
2 stops
BOS6:35 amBoston Logan Intl

Spirit Airlines flights from Boston to Costa Rica

Our best Spirit Airlines deals on Boston to Costa Rica flight tickets
Spirit Airlines
Mar 3
BOS8:16 pmBoston Logan Intl
17h 04m
1 stop
SJO12:20 pmSan José Juan Santamaria Intl
Mar 5
SJO1:50 amSan José Juan Santamaria Intl
13h 42m
1 stop
BOS4:32 pmBoston Logan Intl
Spirit Airlines
Mar 11
BOS11:14 amBoston Logan Intl
14h 36m
1 stop
SJO11:50 pmSan José Juan Santamaria Intl
Mar 17
SJO12:50 amSan José Juan Santamaria Intl
13h 42m
1 stop
BOS4:32 pmBoston Logan Intl
Spirit Airlines
Mar 3
BOS8:16 pmBoston Logan Intl
17h 04m
1 stop
SJO12:20 pmSan José Juan Santamaria Intl
Mar 10
SJO12:50 amSan José Juan Santamaria Intl
13h 42m
1 stop
BOS4:32 pmBoston Logan Intl

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Boston 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 Boston 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 October is your next best option. Flight prices from Boston to Costa Rica during October average around $433.

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

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Boston. The lowest ticket price found for a Tuesday departure recently was $450. 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 Saturday because tickets tend to average around $660. 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 evening is the cheapest time of day to fly from Boston to Costa Rica when you can find flight prices for as low as $445. Flying to Costa Rica in the evening 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 $583. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Costa Rica flight route?

Fly from Boston Logan Intl to Liberia for the best Boston Logan Intl - Costa Rica flight prices

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Boston when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $539 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Boston for as low as $431 on momondo.

What cabin class options are available on Boston Logan Intl to Costa Rica flights?

There are 2 cabin classes available to choose from on Boston Logan Intl to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Boston to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Costa Rica

Best Price Found

$121

Fastest flight time

5h 34m

Direct flights

Mon, Tue, Thu and Sun

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Boston in the past 72 hours is $121. The best round-trip flight deal from Boston to Costa Rica found on momondo in the last 72 hours is $284.
The fastest flight from Boston to Costa Rica takes 5h 34m
Direct flights go from Boston to Costa Rica on Monday, Tuesday, Thursday and Sunday. Airlines offering direct flights are: Delta and JetBlue.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Costa Rica?

    Prices for flights from Boston Logan Intl Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Costa Rica?

  • How old do you have to be to fly from Boston Logan Intl Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport 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.

  • What is the most popular plane model from Boston to Costa Rica?


Best airlines flying from Boston to Costa Rica

Compare and see reviews for airlines that fly from Boston to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $244Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
AviancaPriceFrom $290Free CancellationRating
6.9
2,579 reviews
Search Avianca flights
FrontierPriceFrom $297Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
Copa AirlinesPriceFrom $299Free CancellationRating
7.6
1,662 reviews
Search Copa Airlines flights
JetBluePriceFrom $338Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
DeltaPriceFrom $344Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $377Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $379Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
United AirlinesPriceFrom $385Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
SouthwestPriceFrom $590Free CancellationRating
8.1
4,662 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Costa Rica with flexible booking policies on momondo?

Flights from Boston to Costa Rica with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston 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 Boston.

I’m not ready to book a flight from Boston to Costa Rica right now. Can momondo alert me if prices change?

Price alerts on flights to Costa Rica from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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