$184 Cheap Flights from Trenton (TTN) to Santiago (STI)

View $184 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to Cibao Intl. Airport (STI)

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Cheap Flights from Trenton to Santiago (TTN-STI)

Prices were available within the past 7 days and start at $184 for one-way flights and $392 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 28 - Wed, Nov 5
TTN
Trenton
STI
Santiago de los Caballeros
$392 Roundtrip, found 9 hours ago
$392
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Trenton to Santiago de los Caballeros, returning Wed, Nov 5, priced at $392 found 9 hours ago
American Airlines
Mon, Jan 5 - Wed, Jan 14
TTN
Trenton
STI
Santiago de los Caballeros
$393 Roundtrip, found 1 hour ago
$393
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Jan 5 from Trenton to Santiago de los Caballeros, returning Wed, Jan 14, priced at $393 found 1 hour ago
American Airlines
Mon, Dec 1 - Sun, Dec 7
TTN
Trenton
STI
Santiago de los Caballeros
$398 Roundtrip, found 1 day ago
$398
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 1 from Trenton to Santiago de los Caballeros, returning Sun, Dec 7, priced at $398 found 1 day ago
American Airlines
Tue, Oct 21 - Thu, Oct 30
TTN
Trenton
STI
Santiago de los Caballeros
$400 Roundtrip, found 3 hours ago
$400
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 21 from Trenton to Santiago de los Caballeros, returning Thu, Oct 30, priced at $400 found 3 hours ago
American Airlines
Tue, Oct 28 - Wed, Nov 5
TTN
Trenton
STI
Santiago de los Caballeros
$402 Roundtrip, found 9 hours ago
$402
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Trenton to Santiago de los Caballeros, returning Wed, Nov 5, priced at $402 found 9 hours ago
American Airlines
Mon, Jan 5 - Wed, Jan 14
TTN
Trenton
STI
Santiago de los Caballeros
$403 Roundtrip, found 8 hours ago
$403
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Jan 5 from Trenton to Santiago de los Caballeros, returning Wed, Jan 14, priced at $403 found 8 hours ago
American Airlines
Thu, Sep 25 - Mon, Sep 29
TTN
Trenton
STI
Santiago de los Caballeros
$410 Roundtrip, found 1 day ago
$410
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 25 from Trenton to Santiago de los Caballeros, returning Mon, Sep 29, priced at $410 found 1 day ago
American Airlines
Tue, Oct 28 - Wed, Nov 5
TTN
Trenton
STI
Santiago de los Caballeros
$411 Roundtrip, found 9 hours ago
$411
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Trenton to Santiago de los Caballeros, returning Wed, Nov 5, priced at $411 found 9 hours ago
American Airlines
Tue, Nov 18 - Wed, Nov 26
TTN
Trenton
STI
Santiago de los Caballeros
$430 Roundtrip, found 14 hours ago
$430
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Trenton to Santiago de los Caballeros, returning Wed, Nov 26, priced at $430 found 14 hours ago
American Airlines
Wed, Oct 1 - Wed, Oct 15
TTN
Trenton
STI
Santiago de los Caballeros
$432 Roundtrip, found 13 hours ago
$432
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Oct 1 from Trenton to Santiago de los Caballeros, returning Wed, Oct 15, priced at $432 found 13 hours ago
Flights from Trenton (TTN) to Santiago (STI)
Origin airport
Mercer
Destination airport
Cibao Intl.
Airlines serving
American Airlines
Roundtrip price
$392
Distance
1463 mi

Trenton to Santiago Flights

The cheapest times to fly from Trenton to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Trenton to Santiago are during the month of October. You can find some of the cheapest flights from Trenton to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trenton to Santiago

Sunday is one of the best days to book for cheap flights from Trenton to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Trenton to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Trenton to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $184 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Trenton to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Trenton to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Cibao Intl. Airport (STI) cost?
Get a cheap one-way flight from $184 or cheap return flight from $392 from Mercer Airport (TTN) to Cibao Intl. Airport (STI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
October is the least expensive month to fly from TTN to STI. Timing your trip outside of the busy season is often the key to finding better fares.
Which airlines fly direct from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
Direct flights aren't available from Trenton, NJ (TTN-Mercer) to Cibao Intl. Airport (STI). However, there are other airports that have nonstop flights. Begin your journey at Liberty Intl. Airport (EWR) and travel straight to Santiago de los Caballeros without layovers.
What is the cheapest airline that flies from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from TTN to STI. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
You'll need to take a flight with a layover when traveling from Mercer Airport (TTN) to Cibao Intl. Airport (STI). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from TTN to STI?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
Book a flight from Mercer Airport (TTN) to Cibao Intl. Airport (STI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mercer Airport (TTN) to Cibao Intl. Airport (STI) last-minute?
Last-minute fares from TTN to STI are usually more expensive. To secure the lowest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book a TTN to STI flight and hotel package?
Compared with arranging hotels and flights separately, booking a TTN to STI flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Cibao Intl. Airport (STI)?
It's generally possible to reschedule or cancel your TTN to STI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.