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Cheap flights from Trenton, New Jersey to San José from $258

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
7:15 am - 3:11 pm
TTN
-
SJO
9h 56m
1 stop
Multiple Airlines Logo
4:15 pm - 12:04 pm
SJO
-
TTN
41h 49m
2 stops
$645Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
7:39 pm - 3:11 pm
TTN
-
SJO
21h 32m
1 stop
Multiple Airlines Logo
7:07 am - 6:42 pm
SJO
-
TTN
9h 35m
1 stop
$656Multiple Airlines
Sat, Sep 19 - Fri, Sep 25
Multiple Airlines Logo
6:30 am - 3:11 pm
TTN
-
SJO
10h 41m
1 stop
Multiple Airlines Logo
2:48 pm - 4:32 pm
SJO
-
TTN
23h 44m
2 stops
$671Multiple Airlines
Fri, Aug 28 - Wed, Sep 2
Multiple Airlines Logo
7:39 pm - 3:11 pm
TTN
-
SJO
21h 32m
1 stop
Multiple Airlines Logo
7:07 am - 6:42 pm
SJO
-
TTN
9h 35m
1 stop
$691Multiple Airlines
Sat, Sep 19 - Fri, Sep 25
Multiple Airlines Logo
6:30 am - 3:11 pm
TTN
-
SJO
10h 41m
1 stop
Multiple Airlines Logo
4:15 pm - 11:40 pm
SJO
-
TTN
29h 25m
2 stops
$692Multiple Airlines
Fri, Aug 28 - Sun, Aug 30
Multiple Airlines Logo
7:39 pm - 3:11 pm
TTN
-
SJO
21h 32m
1 stop
Multiple Airlines Logo
7:07 am - 6:42 pm
SJO
-
TTN
9h 35m
1 stop
$694Multiple Airlines
Sat, Sep 19 - Fri, Sep 25
Multiple Airlines Logo
7:15 am - 3:11 pm
TTN
-
SJO
9h 56m
1 stop
Multiple Airlines Logo
2:48 pm - 4:32 pm
SJO
-
TTN
23h 44m
2 stops
$697Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
6:30 am - 3:11 pm
TTN
-
SJO
10h 41m
1 stop
Multiple Airlines Logo
2:48 pm - 4:32 pm
SJO
-
TTN
23h 44m
2 stops
$711Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
Multiple Airlines Logo
6:30 am - 3:11 pm
TTN
-
SJO
10h 41m
1 stop
Multiple Airlines Logo
2:48 pm - 4:32 pm
SJO
-
TTN
23h 44m
2 stops
$726Multiple Airlines
Sat, Aug 29 - Wed, Sep 2
Multiple Airlines Logo
6:30 am - 3:11 pm
TTN
-
SJO
10h 41m
1 stop
Multiple Airlines Logo
7:07 am - 11:40 pm
SJO
-
TTN
14h 33m
1 stop
$729Multiple Airlines
Fri, Aug 28 - Sat, Aug 29

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Frontier flights from Trenton, New Jersey to San José

Our best Frontier deals on Trenton, New Jersey to San José flight tickets
Frontier
Aug 8
TTN6:05 amTrenton-Mercer
28h 15m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 15
SJO9:45 amSan José Juan Santamaria Intl
22h 43m
1 stop
TTN10:28 amTrenton-Mercer
$754
Frontier
Aug 8
TTN6:05 amTrenton-Mercer
28h 15m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 16
SJO9:35 amSan José Juan Santamaria Intl
12h 05m
1 stop
TTN11:40 pmTrenton-Mercer
$884
Frontier
Aug 12
TTN6:25 amTrenton-Mercer
27h 55m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 16
SJO9:35 amSan José Juan Santamaria Intl
12h 05m
1 stop
TTN11:40 pmTrenton-Mercer
$929

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 August 2, 2026.
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

Cheapest round-trip

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 8/26

7:15 am-3:11 pm

1 stop9h 56m

San José Juan Santamaria Intl

Sun 8/30

4:15 pm-12:04 pm

2 stops41h 49m

$645

TrentonSan José

TTN - SJO

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

$656

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 8/28

6:30 am-3:11 pm

1 stop10h 41m

San José Juan Santamaria Intl

Wed 9/2

2:48 pm-4:32 pm

2 stops23h 44m

$671

TrentonSan José

TTN - SJO

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

$691

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 8/28

6:30 am-3:11 pm

1 stop10h 41m

San José Juan Santamaria Intl

Sun 8/30

4:15 pm-11:40 pm

2 stops29h 25m

$692

TrentonSan José

TTN - SJO

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

$694

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Wed 8/26

7:15 am-3:11 pm

1 stop9h 56m

San José Juan Santamaria Intl

Wed 9/2

2:48 pm-4:32 pm

2 stops23h 44m

$697

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Thu 8/27

6:30 am-3:11 pm

1 stop10h 41m

San José Juan Santamaria Intl

Wed 9/2

2:48 pm-4:32 pm

2 stops23h 44m

$711

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Sat 8/29

6:30 am-3:11 pm

1 stop10h 41m

San José Juan Santamaria Intl

Wed 9/2

2:48 pm-4:32 pm

2 stops23h 44m

$726
Quickest round-trip

TrentonSan José

TTN - SJO

TTNSJO

Trenton-Mercer

Fri 8/28

6:30 am-3:11 pm

1 stop10h 41m

San José Juan Santamaria Intl

Sat 8/29

7:07 am-11:40 pm

1 stop14h 33m

$729

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to San José from

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 $474. 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 $602. 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 $473. Flights in the morning are often more expensive with an average ticket price of $554.

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

Fastest flight time

21h 32m

Direct flights

None
The fastest flight from Trenton, New Jersey to San José takes 21h 32m
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.
Search flight deals

Frequently asked questions about flying from Trenton, New Jersey to San José

  • 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. 21h 32m 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
Monteverde
Alajuela
Heredia
Santa Elena
San Gerardo de Dota
Dominical
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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