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Cheap flights from Trenton, New Jersey to San José from $330

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to San José departing on 11/6. 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 Trenton, New Jersey to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 am - 11:42 amTTN-SJO
30h 32m1 stop
Multiple Airlines Logo
5:00 am - 11:59 pmSJO-TTN
17h 59m2 stops
$451Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
6:10 am - 11:42 amTTN-SJO
30h 32m1 stop
Multiple Airlines Logo
12:39 pm - 11:59 pmSJO-TTN
10h 20m1 stop
$456Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Frontier Logo
9:59 pm - 9:21 amTTN-SJO
12h 22m1 stop
Frontier Logo
10:36 am - 11:59 pmSJO-TTN
12h 23m1 stop
$791Frontier
Find Deal
Fri, Dec 19 - Sat, Dec 27
Multiple Airlines Logo
6:10 am - 11:42 amTTN-SJO
30h 32m1 stop
Multiple Airlines Logo
4:08 am - 5:03 pmSJO-TTN
11h 55m2 stops
$817Multiple Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Frontier Logo
9:59 pm - 9:21 amTTN-SJO
12h 22m1 stop
Frontier Logo
10:36 am - 11:59 pmSJO-TTN
12h 23m1 stop
$1,026Frontier
Find Deal
Fri, Dec 19 - Sat, Jan 3
Multiple Airlines Logo
9:59 pm - 3:20 pmTTN-SJO
18h 21m1 stop
Multiple Airlines Logo
7:22 am - 11:59 pmSJO-TTN
15h 37m1 stop
$1,065Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4
Multiple Airlines Logo
9:59 pm - 3:20 pmTTN-SJO
18h 21m1 stop
Multiple Airlines Logo
7:22 am - 11:59 pmSJO-TTN
15h 37m1 stop
$1,099Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4
Multiple Airlines Logo
9:59 pm - 3:20 pmTTN-SJO
18h 21m1 stop
Multiple Airlines Logo
7:22 am - 11:59 pmSJO-TTN
15h 37m1 stop
$1,139Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4
Multiple Airlines Logo
6:10 am - 12:07 amTTN-SJO
18h 57m2 stops
Multiple Airlines Logo
7:22 am - 11:59 pmSJO-TTN
15h 37m1 stop
$1,698Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4

Frontier flights from Trenton, New Jersey to San José

Our best Frontier deals on Trenton, New Jersey to San José flight tickets
Frontier
Dec 19
TTN9:59 pmTrenton-Mercer
12h 22m
1 stop
SJO9:21 amSan José Juan Santamaria Intl
Dec 27
SJO10:36 amSan José Juan Santamaria Intl
12h 23m
1 stop
TTN11:59 pmTrenton-Mercer
$791
Find similar
Frontier
Dec 19
TTN9:59 pmTrenton-Mercer
12h 22m
1 stop
SJO9:21 amSan José Juan Santamaria Intl
Jan 3
SJO10:36 amSan José Juan Santamaria Intl
12h 23m
1 stop
TTN11:59 pmTrenton-Mercer
$1,026
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to San José 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 October 23, 2025.
Use the filters below to find and compare flights from Trenton, New Jersey to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/5

6:10 am-11:42 am

1 stop30h 32m

San José Juan Santamaria Intl

Fri 12/12

5:00 am-11:59 pm

2 stops17h 59m

$451

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/5

6:10 am-11:42 am

1 stop30h 32m

San José Juan Santamaria Intl

Fri 12/12

12:39 pm-11:59 pm

1 stop10h 20m

$456

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/19

9:59 pm-9:21 am

1 stop12h 22m

San José Juan Santamaria Intl

Sat 12/27

10:36 am-11:59 pm

1 stop12h 23m

$791

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/5

6:10 am-11:42 am

1 stop30h 32m

San José Juan Santamaria Intl

Thu 12/11

4:08 am-5:03 pm

2 stops11h 55m

$817

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 12/19

9:59 pm-9:21 am

1 stop12h 22m

San José Juan Santamaria Intl

Sat 1/3

10:36 am-11:59 pm

1 stop12h 23m

$1,026

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sun 12/21

9:59 pm-3:20 pm

1 stop18h 21m

San José Juan Santamaria Intl

Sun 1/4

7:22 am-11:59 pm

1 stop15h 37m

$1,065

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sun 12/21

9:59 pm-3:20 pm

1 stop18h 21m

San José Juan Santamaria Intl

Sun 1/4

7:22 am-11:59 pm

1 stop15h 37m

$1,099

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sun 12/21

9:59 pm-3:20 pm

1 stop18h 21m

San José Juan Santamaria Intl

Sun 1/4

7:22 am-11:59 pm

1 stop15h 37m

$1,139

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sun 12/21

6:10 am-12:07 am

2 stops18h 57m

San José Juan Santamaria Intl

Sun 1/4

7:22 am-11:59 pm

1 stop15h 37m

$1,698

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Thu 11/6

6:00 am-3:20 pm

1 stop10h 20m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Trenton, New Jersey to San José

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 day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Trenton, New Jersey is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $472. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Trenton, New Jersey to San José on a Sunday will generally be more expensive and average around $580. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Trenton, New Jersey to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $486. Flights in the morning are often more expensive with an average ticket price of $536.

When to book flights from Trenton, New Jersey to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Trenton, New Jersey to San José (TTN to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to San José

Direct flights

None
There are no direct flights from Trenton, New Jersey to San José. There are no popular flight routes from Trenton, New Jersey to San José.
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  • How far is Trenton-Mercer to San José Juan Santamaria Intl by plane?

    San José Juan Santamaria Intl is 2168.1 mi away from Trenton-Mercer. 12h 22m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Trenton-Mercer Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Trenton-Mercer Airport to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Trenton-Mercer Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport 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.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to San José?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San José from Trenton.

Can I find flights from Trenton to San José with flexible booking policies on momondo?

momondo does allow users to show only those flights to San José from Trenton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Trenton to San José?

Once you have performed a search for Trenton to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Trenton to San José right now. Can momondo alert me if prices change?

Price alerts on flights to San José from Trenton 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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