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$153+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STI — PHL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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1. Tell us where you want to go

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Cheap 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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/93:43 amSTI - PHL
1 stop12h 15mMultiple Airlines
Wed 1/214:55 pmPHL - STI
1 stop21h 38mMultiple Airlines
Deal found 12/3$285
This FlightHub deal was found by Cheapflights users on 12/4. 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.
Tue 12/233:43 amSTI - PHL
1 stop6h 24mSpirit Airlines
Sat 1/108:20 amPHL - STI
1 stop6h 13mSpirit Airlines
Deal found 12/4$299
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Sat 12/203:43 amSTI - PHL
1 stop16h 47mMultiple Airlines
Sat 1/35:10 amPHL - STI
1 stop20h 32mMultiple Airlines
Deal found 12/4$315
This CheapOair deal was found by Cheapflights users on 12/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:43 amSTI - PHL
1 stop6h 24mSpirit Airlines
Sat 1/36:00 amPHL - STI
2 stops19h 42mSpirit Airlines
Deal found 12/4$339
This CheapOair deal was found by Cheapflights users on 12/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:43 amSTI - PHL
1 stop6h 24mSpirit Airlines
Sat 1/36:00 amPHL - STI
2 stops19h 42mSpirit Airlines
Deal found 12/4$352
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:43 amSTI - PHL
1 stop8h 34mSpirit Airlines
Wed 12/104:00 pmPHL - STI
1 stop9h 42mSpirit Airlines
Deal found 12/2$375
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Mon 12/83:43 amSTI - PHL
1 stop12h 01mMultiple Airlines
Wed 1/214:55 pmPHL - STI
1 stop21h 38mMultiple Airlines
Deal found 12/3$387
This CheapOair deal was found by Cheapflights users on 12/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:43 amSTI - PHL
1 stop6h 24mSpirit Airlines
Sat 1/36:00 amPHL - STI
2 stops19h 42mSpirit Airlines
Deal found 12/3$404
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:07 pmSTI - PHL
Nonstop3h 49mFrontier
Sun 1/46:20 amPHL - STI
Nonstop3h 32mFrontier
Deal found 12/2$413

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(FlightHub)

One-way from

$153
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$480
Provider with most accurate pricing for Santiago de los Caballeros-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago de los Caballeros-Philadelphia flights.
Search Deals
From Santiago de los Caballeros to Philadelphia
Search Deals
One-way flight from Santiago de los Caballeros to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

Tue 12/23

3:43 am-9:07 am

1 stop6h 24m

Philadelphia

Sat 1/10

8:20 am-3:33 pm

1 stop6h 13m

$299

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sun 1/25

4:40 pm-8:47 am

1 stop17h 07m

Philadelphia

Wed 2/25

3:14 pm-3:35 pm

1 stop23h 21m

$300

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 12/17

3:43 am-12:25 pm

1 stop9h 42m

Philadelphia

Fri 1/2

10:00 pm-2:42 am

2 stops27h 42m

$346

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sat 12/20

3:43 am-9:07 am

1 stop6h 24m

Philadelphia

Sat 1/3

6:00 am-2:42 am

2 stops19h 42m

$352

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 2/19

4:40 pm-11:50 pm

1 stop8h 10m

Philadelphia

Thu 3/19

6:00 am-9:00 pm

2 stops15h 00m

$358

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 2/12

4:40 pm-11:50 pm

1 stop8h 10m

Philadelphia

Thu 3/12

6:00 am-6:14 pm

2 stops12h 14m

$387

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sun 12/21

3:43 am-11:56 pm

2 stops21h 13m

Philadelphia

Sat 1/3

5:25 am-2:42 am

2 stops20h 17m

$394

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 3/11

3:40 pm-11:50 pm

1 stop8h 10m

Philadelphia

Tue 3/17

8:19 am-2:27 pm

1 stop6h 08m

$403

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 12/17

3:43 am-9:07 am

1 stop6h 24m

Philadelphia

Sat 1/3

6:00 am-2:42 am

2 stops19h 42m

$404

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 1/8

4:40 pm-12:31 am

1 stop8h 51m

Philadelphia

Thu 1/22

6:00 am-3:33 pm

1 stop8h 33m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santiago de los Caballeros-Philadelphia flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $144). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $191). 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 December 4, 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.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated December 4, 2025.
See what other customers who have flown with American Airlines from Santiago de los Caballeros to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Boarding

7.5

Food

6.5

Entertainment

6.9

Crew

8.0

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Boarding

7.5

Food

6.5

Entertainment

6.9

Crew

8.0

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 6h 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 is the cheapest airline to fly from Santiago de los Caballeros to Philadelphia round-trip?

    Cheapflights users have booked flights from Santiago de los Caballeros to Philadelphia round-trip from $501.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $136. Users have also found prices from $178 and $195 on Spirit Airlines and American Airlines, 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 $144). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $191). 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
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

Browse thousands of different options on Cheapflights for your next trip

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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.
Santo Domingo to John F Kennedy Intl flights
Santo Domingo to Newark flights
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Punta Cana to John F Kennedy Intl flights
Santiago de los Caballeros to Newark flights
Punta Cana to LaGuardia flights
Santiago de los Caballeros to John F Kennedy Intl flights
Santiago de los Caballeros to LaGuardia flights
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Santo Domingo to Philadelphia flights
Punta Cana to Dulles Intl flights
Santo Domingo to Dulles Intl flights
Puerto Plata to Newark flights
Punta Cana to Philadelphia flights
Santo Domingo to Reagan-National flights
Punta Cana to Reagan-National flights
Puerto Plata to LaGuardia flights
Santo Domingo to Pittsburgh flights
Santiago de los Caballeros to Reagan-National flights
Santiago de los Caballeros to Dulles Intl flights
Santo Domingo to Allentown flights
La Romana to John F Kennedy Intl flights
Santo Domingo to Scranton flights
Punta Cana to Pittsburgh flights
Santiago de los Caballeros to Pittsburgh flights
Nagua to LaGuardia flights

Top airline flying from Santiago de los Caballeros to Philadelphia

Discover the top airline that operate flights from Santiago de los Caballeros to Philadelphia. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$548FlexibilityNo cancel feeOn-time71%

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