HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$278+ Cheap flights from Trenton, NJ (TTN) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJO
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trenton to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trenton to Costa Rica

Cheapest flights from Trenton to Costa Rica
Explore the most affordable flight options available from Trenton to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This Priceline deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:11 pmTTN - SJO
1 stop13h 10mFrontier
Wed 12/312:52 pmSJO - TTN
2 stops29h 22mFrontier
Deal found 12/13$877
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:59 pmTTN - SJO
1 stop14h 43mMultiple Airlines
Thu 1/11:31 pmSJO - TTN
2 stops33h 28mMultiple Airlines
Deal found 12/11$884
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:59 pmTTN - SJO
1 stop14h 43mMultiple Airlines
Thu 1/11:31 pmSJO - TTN
2 stops33h 28mMultiple Airlines
Deal found 12/11$952
This Frontier deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:59 pmTTN - SJO
2 stops16h 43mFrontier
Sat 12/2710:36 amSJO - TTN
1 stop12h 23mFrontier
Deal found 12/12$955
This Trip.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:10 amTTN - SJO
1 stop10h 10mMultiple Airlines
Sat 12/277:22 amSJO - TTN
1 stop15h 37mMultiple Airlines
Deal found 12/12$971
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:59 pmTTN - SJO
1 stop14h 43mMultiple Airlines
Fri 1/25:00 amSJO - TTN
2 stops17h 59mMultiple Airlines
Deal found 12/11$977
This Frontier deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:59 pmTTN - SJO
2 stops16h 43mFrontier
Sat 1/310:36 amSJO - TTN
1 stop12h 23mFrontier
Deal found 12/12$979
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:59 pmTTN - SJO
1 stop14h 43mMultiple Airlines
Fri 1/25:00 amSJO - TTN
2 stops17h 59mMultiple Airlines
Deal found 12/11$1,046
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:59 pmTTN - SJO
1 stop14h 43mMultiple Airlines
Sat 1/34:15 pmSJO - TTN
2 stops30h 44mMultiple Airlines
Deal found 12/11$1,059
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 amTTN - SJO
1 stop30h 32mMultiple Airlines
Thu 1/11:31 pmSJO - TTN
2 stops33h 28mMultiple Airlines
Deal found 12/11$1,104

Find flight deals from Trenton to Costa Rica

Keep the following information in mind while searching for Trenton to Costa Rica flight deals. Data was last updated December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$394
(Kiwi.com)

One-way from

$278
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$653
Provider with most accurate pricing for New York (NYC)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-San José Juan Santamaria Intl flights.
Search Deals
From Trenton-Mercer to Costa Rica
Search Deals
One-way flight from Trenton-Mercer to Costa Rica
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton 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, Cheapflights users made 2,558,603 searches. Data last updated December 14, 2025.
Use the filters below to find and compare flights from Trenton to Costa Rica that are best for you.

Fly from

Trenton

Fly to

Costa Rica

Route

Depart

Return

Price

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Tue 1/27

3:21 pm-6:55 pm

2 stops28h 34m

San José Juan Santamaria Intl

Tue 2/3

12:33 pm-2:26 pm

1 stop24h 53m

$394

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Tue 3/24

6:00 am-3:16 pm

1 stop11h 16m

San José Juan Santamaria Intl

Tue 3/31

7:30 am-11:59 pm

1 stop14h 29m

$410

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 2/25

8:00 am-3:20 pm

1 stop8h 20m

San José Juan Santamaria Intl

Wed 3/25

7:30 am-11:59 pm

1 stop14h 29m

$419

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sat 3/28

3:04 pm-3:16 pm

1 stop26h 12m

San José Juan Santamaria Intl

Fri 4/3

7:30 am-9:14 pm

1 stop11h 44m

$696

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sun 3/22

6:00 am-3:16 pm

1 stop11h 16m

San José Juan Santamaria Intl

Fri 3/27

7:30 am-11:59 pm

1 stop14h 29m

$713

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 1/14

8:00 am-3:20 pm

1 stop8h 20m

San José Juan Santamaria Intl

Mon 1/19

7:22 am-11:39 pm

1 stop15h 17m

$738

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/26

9:11 pm-9:21 am

1 stop13h 10m

San José Juan Santamaria Intl

Wed 12/31

2:52 pm-9:14 pm

2 stops29h 22m

$877

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 12/24

9:59 pm-11:42 am

1 stop14h 43m

San José Juan Santamaria Intl

Thu 1/1

1:31 pm-11:59 pm

2 stops33h 28m

$952

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 12/24

9:59 pm-11:42 am

1 stop14h 43m

San José Juan Santamaria Intl

Fri 1/2

5:00 am-11:59 pm

2 stops17h 59m

$1,046

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 12/24

9:59 pm-11:42 am

1 stop14h 43m

San José Juan Santamaria Intl

Sat 1/3

4:15 pm-11:59 pm

2 stops30h 44m

$1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 13 results
1
2

Best time to book a flight from Trenton to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Trenton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trenton to Costa Rica

What is the cheapest month to book a flight from Trenton, New Jersey to Costa Rica?

Currently, November is the cheapest month in which you can book a flight from Trenton, New Jersey to Costa Rica (average of $123). Flying from Trenton, New Jersey to Costa Rica in May is currently the most expensive (average of $227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trenton to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trenton to Costa Rica?

    Trenton-Mercer (TTN), located 4.8 mi from the city center, is the airport you fly out of when you book flights from Trenton to Costa Rica.

  • Can I find deals for flights from Trenton to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Trenton to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Costa Rica.

  • Can I find deals for business class flights from Trenton to Costa Rica?

    Yes. Cheapflights offers flight deals from Trenton to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trenton, New Jersey to Costa Rica?

    Currently, November is the cheapest month in which you can book a flight from Trenton, New Jersey to Costa Rica (average of $123). Flying from Trenton, New Jersey to Costa Rica in May is currently the most expensive (average of $227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trenton to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
Newark to San José flights
John F Kennedy Intl to Panama City flights
John F Kennedy Intl to Guatemala City flights
Newark to Panama City flights
John F Kennedy Intl to San Salvador flights
John F Kennedy Intl to Liberia flights
Newark to Liberia flights
LaGuardia to San José flights
LaGuardia to Panama City flights
Newark to Guatemala City flights
Newark to San Salvador flights
LaGuardia to Guatemala City flights
LaGuardia to Liberia flights
LaGuardia to San Salvador flights
Newark to Philip S.W.Goldson flights
John F Kennedy Intl to San Pedro Sula flights
LaGuardia to Philip S.W.Goldson flights
John F Kennedy Intl to Philip S.W.Goldson flights
Philadelphia to San José flights
LaGuardia to San Pedro Sula flights
Newark to San Pedro Sula flights
Philadelphia to Liberia flights
John F Kennedy Intl to Managua flights
Philadelphia to Guatemala City flights
Philadelphia to Panama City flights
Newark to Coxen Hole flights
Newark to Managua flights
John F Kennedy Intl to Coxen Hole flights
Philadelphia to Philip S.W.Goldson flights
LaGuardia to Coxen Hole flights
Atlantic City to San José flights
LaGuardia to Managua flights
Philadelphia to San Salvador flights
Philadelphia to Coxen Hole flights
Atlantic City to Guatemala City flights
Philadelphia to Managua flights
Trenton to San José flights
Philadelphia to San Pedro Sula flights
John F Kennedy Intl to David flights
Newark to David flights
John F Kennedy Intl to Flores flights
LaGuardia to Flores flights
Atlantic City to San Pedro Sula flights
Newark to Flores flights
Atlantic City to Managua flights
Philadelphia to David flights
John F Kennedy Intl to La Ceiba flights
Philadelphia to Flores flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.