Santiago de los Caballeros

$142+ Cheap flights from Philadelphia (PHL) 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STI
jul. 8 — jul. 151
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Cheapflights Tip: The best prices from Philadelphia to Santiago de los Caballeros are usually found in October or February, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Philadelphia to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 3, 2025.

Round-trip from

$328
(FlightHub)

One-way from

$142
(SmartFares)

Popular in

December

Cheapest in

October

Average price

$548
From Philadelphia to Santiago de los Caballeros
One-way flight from Philadelphia to Santiago de los Caballeros
Highest demand for flights based on searches. 14% potential increase in price ($78 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Philadelphia to Santiago de los Caballeros

Cheapest flights from Philadelphia to Santiago de los Caballeros
Explore the most affordable flight options available from Philadelphia to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/248:41 pmPHL - STI
1 stop12h 34mSpirit Airlines
dom. 9/712:10 pmSTI - PHL
1 stop12h 38mSpirit Airlines
Deal found 7/2$328
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/158:05 pmPHL - STI
1 stop16h 46mFrontier
mié. 7/232:10 pmSTI - PHL
1 stop14h 50mFrontier
Deal found 6/30$349
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/178:15 pmPHL - STI
1 stop16h 35mMultiple Airlines
lun. 9/2212:10 pmSTI - PHL
1 stop12h 38mMultiple Airlines
Deal found 7/1$360

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Santiago de los Caballeros 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 julio 3, 2025.
Use the filters below to find and compare flights from Philadelphia to Santiago de los Caballeros that are best for you.

Fly from

Philadelphia

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

dom. 8/24

8:41 pm-9:15 am

1 stop12h 34m

Santiago de los Caballeros

dom. 9/7

12:10 pm-12:48 am

1 stop12h 38m

$328

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mar. 7/15

8:05 pm-12:51 pm

1 stop16h 46m

Santiago de los Caballeros

mié. 7/23

2:10 pm-5:00 am

1 stop14h 50m

$349

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mié. 9/17

8:15 pm-12:50 pm

1 stop16h 35m

Santiago de los Caballeros

lun. 9/22

12:10 pm-12:48 am

1 stop12h 38m

$360

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mar. 7/29

5:21 pm-9:50 am

1 stop16h 29m

$142

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

dom. 7/20

8:05 pm-12:51 pm

1 stop16h 46m

$168

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mar. 7/15

5:52 pm-12:51 pm

1 stop18h 59m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Philadelphia 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 Philadelphia to Santiago de los Caballeros

How far ahead should I book a flight from Philadelphia to Santiago de los Caballeros?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Santiago de los Caballeros. Price data was last updated on June 27, 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $347). Flying from Philadelphia to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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.

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

Find hourly flight availability from Philadelphia 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 julio 3, 2025.

When flying from Philadelphia to Santiago de los Caballeros, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight at noon.

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de los Caballeros. Reviews last updated julio 3, 2025.
Peruse reviews from past customers who have flown with Spirit Airlines and Frontier from Philadelphia to Santiago de los Caballeros to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

6.3

Comfort

5.9

Food

5.1

Crew

7.1

Boarding

6.6

Entertainment

5.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Overall

6.3

Comfort

5.9

Food

5.1

Crew

7.1

Boarding

6.6

Entertainment

5.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Overall

6.3

Comfort

5.9

Food

5.1

Crew

7.1

Boarding

6.6

Entertainment

5.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 are the cheapest airlines flying from Philadelphia to Santiago de los Caballeros round-trip?

    Currently priced at $328, Spirit Airlines will fly you from Philadelphia to Santiago de los Caballeros and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $349. Spirit Airlines is currently priced 30% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Philadelphia 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 Philadelphia to Santiago de los Caballeros.

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

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

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $347). Flying from Philadelphia to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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.

See more FAQs

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Alternative routes for Philadelphia to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Philadelphia to Santiago de los Caballeros

Discover the top 4 airlines that operate flights from Philadelphia to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$178Average$460FlexibilityNo cancel feeOn-time65%
FrontierCheapest$234Average$402FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$407Average$593FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$444Average$591FlexibilityNo cancel feeOn-time62%

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