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$240+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJO
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
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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 August 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Mon 11/1610:30 am -
1 stop29h 41m
Sun 11/227:00 am -
1 stop25h 33m
Deal found 8/7$625
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Sat 9/197:39 pm -
1 stop21h 32m
Fri 9/257:07 am -
1 stop9h 35m
Deal found 8/7$707
This Trip.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/46:30 am -
2 stops14h 20m
Mon 9/75:05 am -
2 stops16h 35m
Deal found 8/8$790
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:25 am -
1 stop27h 55m
Sat 8/159:45 am -
1 stop11h 55m
Deal found 8/9$1,038
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Mon 8/106:05 am -
1 stop11h 06m
Fri 8/147:07 am -
1 stop14h 33m
Deal found 8/7$1,057
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 8/126:25 am -
1 stop10h 46m
Sun 8/169:35 am -
1 stop12h 05m
Deal found 8/5$1,102
This Orbitz deal was found by Cheapflights users on 8/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:25 am -
1 stop27h 55m
Sun 8/169:35 am -
1 stop12h 05m
Deal found 8/5$1,184

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$498
(Travelocity)

One-way from

$240
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$624
Provider with most accurate pricing for New York (NYC)-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-San José Juan Santamaria Intl flights.
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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. 20% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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 August 9, 2026.
Use the filters below to find and compare flights from Trenton to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Mon 11/16

10:30 am-3:11 pm

1 stop29h 41m

San José Juan Santamaria Intl

Sun 11/22

7:00 am-9:33 am

1 stop25h 33m

$625
Quickest round-trip

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Sat 9/19

7:39 pm-3:11 pm

1 stop21h 32m

San José Juan Santamaria Intl

Fri 9/25

7:07 am-6:42 pm

1 stop9h 35m

$707

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Sat 12/5

11:23 am-3:18 pm

1 stop28h 55m

San José Juan Santamaria Intl

Sat 12/12

7:00 am-10:28 am

1 stop26h 28m

$1,237
Cheapest one-way
Quickest one-way

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Wed 9/9

7:15 am-3:11 pm

1 stop9h 56m

$240

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Mon 10/19

11:25 am-3:11 pm

1 stop29h 46m

$256

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Fri 8/14

6:05 am-8:30 am

1 stop28h 25m

$323

TrentonSan José

TTN Trenton-Mercer - SJO San José Juan Santamaria Intl

TTNSJO

Trenton-Mercer

Sat 8/15

11:15 am-8:20 am

1 stop23h 05m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Sorted by cheapest first

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

No data available for this route at this time. Please check back soon.

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.

See more FAQs

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