What are the cheapest airlines to fly from USA to Santiago de los Caballeros one-way?

The cheapest airlines for a one-way flight from USA to Santiago de los Caballeros are Spirit Airlines ($93), Frontier ($166), and Delta ($169).

What is the cheapest month to book a flight from USA to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from USA to Santiago de los Caballeros (average of $347). Flying from USA to Santiago de los Caballeros in July is currently the most expensive (average of $601). 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.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

What are the most popular routes from USA to Santiago de los Caballeros?

The most popular flight routes from USA to Santiago de los Caballeros are Newark - Santiago de los Caballeros, New York John F Kennedy Intl - Santiago de los Caballeros and Boston Logan Intl - Santiago de los Caballeros.

What are the most popular airlines that fly from USA to Santiago de los Caballeros?

When booking a flight from USA to Santiago de los Caballeros, you may want to consider flying on American Airlines, JetBlue or Copa Airlines as they are the most popular for this route.

How far in advance should I book a flight from USA to Santiago de los Caballeros?

To save up to 35% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from USA to Santiago de los Caballeros from $393 1-2 weeks out and tickets from $536 for flights departing within the next 72 hours.

What is the cheapest month to fly from USA to Santiago de los Caballeros?

Our data shows that March tends to be the cheapest month to fly to Santiago de los Caballeros from USA. Users have commonly found prices around $462 for the month, but tickets can be as low as $282. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from US to STI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Santiago de los Caballeros as you normally would.

What airport do you fly into for flights to Santiago de los Caballeros from United States?

Located just 6.8 mi from the city center, Santiago de los Caballeros (STI) is the airport most travelers will use when flying to Santiago de los Caballeros from United States.

Can I find deals for flights from USA to Santiago de los Caballeros that include hotel bookings?

Yes. In addition to deals on USA to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from USA to Santiago de los Caballeros?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Santiago de los Caballeros.

Can I find deals for business class flights from USA to Santiago de los Caballeros?

Yes. Cheapflights offers flight deals from USA to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$93+ Flights from the United States to Santiago de los Caballeros

Round-trip from	$214 (Cheapflightsfares)
One-way from	$93 (SmartFares)
Popular in	December
Cheapest in	March
Average price	$598
Good round-trip deal	$236 or less
Good one-way deal	$107 or less

JetBlue

JetBlue's Mint offers lie-flat seats, closing doors, and high-end meals on select routes.

JetBlue's Even More Space offers up to 38” legroom and early boarding.

Read more about JetBlueby Blane Bachelor

Delta

Delta's Comfort Plus offers extra legroom, early boarding, and upgraded snacks.

Delta's Delta One offers 180-degree flat-bed seats and premium food on long-haul routes.

United Airlines

United's Polaris Business Class offers lie-flat seats, large screens, and Saks Fifth Avenue bedding.

United's Premium Plus offers extra legroom, upgraded meals, and 2 checked bags on international routes.

Read more about United Airlinesby Harriet Baskas

American Airlines

AA's Flagship Business Class offers lie-flat seats, 16” screens, and chef-curated meals.

AA's Premium Economy offers 18.5” seats, 8” recline, and chef-designed meals.

Read more about American Airlinesby Marisa Garcia

Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.

Spirit's Economy Plus Bundle includes carry-on, check-in bag, and seat selection.

Read more about Spirit Airlinesby Daniel Scheffler

Frontier

Frontier's UpFront Plus guarantees an empty middle seat and 32” separation.

Frontier's Economy Bundle includes carry-on, seat selection, and no change fees.

Read more about Frontierby Marisa Garcia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$92	Average$392	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$207	Average$417	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$264	Average$520	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$278	Average$565	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$301	Average$579	FlexibilityNo cancel fee	On-time69%
Copa Airlines	Cheapest$303	Average$385	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$311	Average$624	FlexibilityNo cancel fee	On-time71%

$93+ Cheap flights from the United States to Santiago de los Caballeros (STI)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Santiago de los Caballeros

Keep the following information in mind while searching for USA to Santiago de los Caballeros flight deals. Data was last updated August 14, 2025.

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Cheapest flights from USA to Santiago de los CaballerosExplore the most affordable flight options available from USA to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from USA to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

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The best insider tips for theUnited States to Santiago de los Caballeros flights

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Best time to book a flight from USA to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from USA with our price prediction graph.

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Everything you need to know about your flight from the United States to Santiago de los Caballeros

What is the cheapest month to book a flight from USA to Santiago de los Caballeros?

What is the cheapest time of day to fly from US to STI?

Find hourly flight availability from USA to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Santiago de los Caballeros

See what other customers who have flown with Delta, United Airlines, and American Airlines from the United States to Santiago de los Caballeros have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Santiago de los Caballeros. 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 into for flights to Santiago de los Caballeros from United States?

What are the cheapest airlines to fly from USA to Santiago de los Caballeros one-way?

What are the most popular routes from USA to Santiago de los Caballeros?

Can I find deals for flights from USA to Santiago de los Caballeros that include hotel bookings?

How can I find direct flights from USA to Santiago de los Caballeros?

Can I find deals for business class flights from USA to Santiago de los Caballeros?

What is the cheapest month to book a flight from USA to Santiago de los Caballeros?

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Alternative routes for USA to Santiago de los Caballeros

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Top 7 airlines flying from USA to Santiago de los Caballeros

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Cheapest flights from USA to Santiago de los Caballeros
Explore the most affordable flight options available from USA to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.