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$163+ Cheap flights from Santiago de los Caballeros (STI) to Philadelphia (PHL)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
STI — PHL
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to Philadelphia (PHL). 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(Cheapflightsfares)

One-way from

$163
(Cheapflightsfares)

Popular in

July

Cheapest in

March

Average price

$517
Provider with most accurate pricing for Santiago de los Caballeros-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Santiago de los Caballeros-Philadelphia flights.
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From Santiago de los Caballeros to Philadelphia
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One-way flight from Santiago de los Caballeros to Philadelphia
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Highest demand for flights based on searches. 15% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Santiago de los Caballeros to Philadelphia

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

This Cheapflightsfares deal was found by Cheapflights users on 10/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - PHL
1 stop11h 24mSpirit Airlines
Sat 12/64:00 pmPHL - STI
1 stop9h 42mSpirit Airlines
Deal found 10/13$305
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - PHL
1 stop11h 24mMultiple Airlines
Sun 12/75:00 pmPHL - STI
1 stop8h 42mMultiple Airlines
Deal found 10/13$308
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:17 pmSTI - PHL
1 stop11h 29mSpirit Airlines
Wed 12/105:15 amPHL - STI
1 stop10h 51mSpirit Airlines
Deal found 10/14$325
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:17 pmSTI - PHL
1 stop11h 29mSpirit Airlines
Wed 12/38:54 pmPHL - STI
1 stop28h 48mSpirit Airlines
Deal found 10/14$328
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:17 pmSTI - PHL
1 stop11h 09mSpirit Airlines
Tue 11/255:25 amPHL - STI
1 stop5h 57mSpirit Airlines
Deal found 10/12$338
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - PHL
1 stop11h 24mSpirit Airlines
Sun 12/76:00 amPHL - STI
2 stops19h 42mSpirit Airlines
Deal found 10/13$347
This eDestinos deal was found by Cheapflights users on 10/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:43 amSTI - PHL
1 stop11h 53mSpirit Airlines
Sun 11/168:51 pmPHL - STI
1 stop14h 31mSpirit Airlines
Deal found 10/12$354
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:17 pmSTI - PHL
1 stop11h 09mSpirit Airlines
Fri 11/288:54 pmPHL - STI
1 stop14h 28mSpirit Airlines
Deal found 10/12$355
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:17 pmSTI - PHL
1 stop23h 35mMultiple Airlines
Wed 11/268:54 pmPHL - STI
1 stop14h 28mMultiple Airlines
Deal found 10/13$357
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - PHL
2 stops23h 03mMultiple Airlines
Sat 12/64:00 pmPHL - STI
1 stop9h 42mMultiple Airlines
Deal found 10/13$359
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:43 amSTI - PHL
1 stop22h 05mMultiple Airlines
Fri 1/95:15 amPHL - STI
1 stop10h 51mMultiple Airlines
Deal found 10/13$368
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:43 amSTI - PHL
1 stop22h 05mMultiple Airlines
Thu 1/85:15 amPHL - STI
1 stop10h 51mMultiple Airlines
Deal found 10/13$378

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Philadelphia 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 October 14, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Philadelphia that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Philadelphia

Route

Depart

Return

Price

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 11/19

1:17 pm-11:41 pm

1 stop11h 24m

Philadelphia

Sat 12/6

4:00 pm-2:42 am

1 stop9h 42m

$305

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 11/19

1:17 pm-11:41 pm

1 stop11h 24m

Philadelphia

Sun 12/7

5:00 pm-2:42 am

1 stop8h 42m

$308

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 12/3

1:17 pm-11:46 pm

1 stop11h 29m

Philadelphia

Wed 12/10

5:15 am-5:06 pm

1 stop10h 51m

$325

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sat 10/25

11:43 am-11:36 pm

1 stop11h 53m

Philadelphia

Sun 11/16

8:51 pm-12:22 pm

1 stop14h 31m

$354

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 11/13

1:17 pm-11:26 pm

1 stop11h 09m

Philadelphia

Fri 11/28

8:54 pm-12:22 pm

1 stop14h 28m

$355

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 10/22

4:23 pm-11:56 am

2 stops19h 33m

Philadelphia

Tue 10/28

8:15 am-10:51 pm

2 stops14h 36m

$390

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 11/18

7:00 am-4:38 pm

2 stops10h 38m

Philadelphia

Tue 11/25

1:45 pm-10:56 pm

1 stop8h 11m

$391

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 10/21

6:00 am-11:05 pm

2 stops17h 05m

Philadelphia

Wed 10/29

6:00 am-7:06 pm

2 stops13h 06m

$398

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 12/16

6:00 am-5:39 pm

2 stops12h 39m

Philadelphia

Wed 1/7

7:45 pm-2:53 pm

2 stops18h 08m

$405

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 12/18

11:47 am-10:49 pm

1 stop12h 02m

Philadelphia

Mon 1/5

8:36 am-6:48 pm

1 stop9h 12m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 23 results
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Compare providers for flights from Santiago de los Caballeros to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago de los Caballeros to Philadelphia in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago de los Caballeros-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago de los Caballeros-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Currently, October is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $155). Flying from Santiago de los Caballeros to Philadelphia in December is currently the most expensive (average of $193). 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 STI to PHL?

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

When flying from Santiago de los Caballeros to Philadelphia, 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 40% versus a flight in the morning.

How much does it cost to fly round-trip from Santiago de los Caballeros to Philadelphia?

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santiago de los Caballeros to Philadelphia?

    There are many flights that can get you from Santiago de los Caballeros to Philadelphia in 11h 24m. Fly via Spirit Airlines to get the fastest option. Santiago de los Caballeros and Philadelphia are separated by a distance of 1440 mi.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $175. Users have also found prices from $192 and $192 on United Airlines and JetBlue, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Philadelphia 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 Santiago de los Caballeros to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $155). Flying from Santiago de los Caballeros to Philadelphia in December is currently the most expensive (average of $193). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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Alternative routes for Santiago de los Caballeros to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Santiago de los Caballeros to LaGuardia flights
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