HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$219+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
STI — PHL
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santiago de los Caballeros to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Santiago de los Caballeros to Philadelphia are usually found in February or April, booked 72 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 June 18, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 9/233:49 pm
STI
-
PHL
1 stop7h 18m
JetBlue
Mon 9/287:00 am
PHL
-
STI
1 stop6h 27m
JetBlue
Deal found 6/14$426
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:01 am
STI
-
PHL
1 stop7h 04m
JetBlue
Sat 11/141:00 pm
PHL
-
STI
1 stop10h 51m
JetBlue
Deal found 6/16$427
This JetBlue deal was found by Cheapflights users on 6/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:49 pm
STI
-
PHL
1 stop7h 18m
JetBlue
Tue 10/67:00 am
PHL
-
STI
1 stop6h 27m
JetBlue
Deal found 6/13$431
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:01 am
STI
-
PHL
1 stop7h 04m
JetBlue
Mon 11/96:00 am
PHL
-
STI
1 stop8h 33m
JetBlue
Deal found 6/15$443
This eDestinos deal was found by Cheapflights users on 6/17. 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.
Tue 7/1411:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Tue 7/286:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 6/17$467
This Travelocity deal was found by Cheapflights users on 6/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:01 am
STI
-
PHL
1 stop11h 06m
Multiple Airlines
Thu 7/306:20 am
PHL
-
STI
Nonstop3h 39m
Multiple Airlines
Deal found 6/13$481
This Frontier deal was found by Cheapflights users on 6/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Tue 8/116:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 6/14$494
This Frontier deal was found by Cheapflights users on 6/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Sun 8/96:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 6/14$503
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Thu 8/136:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 6/15$506

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$426
(Cheapflightsfares)

One-way from

$219
(SmartFares)

Popular in

May

Cheapest in

February

Average price

$509

Good round-trip deal

$522 or less

Good one-way deal

$280 or less
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. 5% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Santiago de los Caballeros to Philadelphia.
Search Deals
Price to beat on a one-way flight from Santiago de los Caballeros to Philadelphia.
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 June 18, 2026.
Use the filters below to find and compare flights from Santiago de los Caballeros to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 11/5

6:01 am-12:05 pm

1 stop7h 04m

Philadelphia

Mon 11/9

6:00 am-3:33 pm

1 stop8h 33m

$431
Quickest round-trip

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 7/2

11:09 am-2:51 pm

Nonstop3h 42m

Philadelphia

Mon 7/27

5:02 pm-11:51 pm

1 stop6h 49m

$517

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 7/2

11:09 am-2:51 pm

Nonstop3h 42m

Philadelphia

Sun 7/26

5:02 pm-11:51 pm

1 stop6h 49m

$517

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 9/11

6:00 am-9:43 am

2 stops27h 43m

Philadelphia

Sun 9/27

10:40 am-10:52 pm

2 stops12h 12m

$553

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Mon 12/14

6:00 am-9:24 am

2 stops28h 24m

Philadelphia

Fri 1/8

8:15 am-11:51 pm

2 stops38h 36m

$574

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 7/2

6:47 pm-7:44 am

1 stop12h 57m

Philadelphia

Mon 7/27

5:02 pm-11:51 pm

1 stop6h 49m

$578

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sat 10/3

4:23 pm-9:33 am

2 stops17h 10m

Philadelphia

Tue 10/6

6:10 am-10:52 pm

2 stops16h 42m

$596

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 7/24

5:01 am-4:07 pm

1 stop11h 06m

Philadelphia

Fri 8/28

6:00 am-2:36 pm

1 stop8h 36m

$615

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 7/24

6:00 am-11:20 pm

2 stops17h 20m

Philadelphia

Fri 8/28

6:56 pm-10:52 pm

3 stops27h 56m

$667

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 8/13

6:00 am-9:43 am

2 stops27h 43m

Philadelphia

Tue 9/1

6:56 pm-10:52 pm

3 stops27h 56m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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

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

The best time to book flights from Santiago de los Caballeros to Philadelphia is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $280). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $688). 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 June 18, 2026.

When flying from Santiago de los Caballeros to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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 June 18, 2026.
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
7.1
Good
11,686 reviews

Crew

7.9

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.
American Airlines
7.1
Good
11,686 reviews
American Airlines
7.1
Good
11,686 reviews

Crew

7.9

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.

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 7h 04m. Fly via JetBlue or United Airlines to get the fastest option. Santiago de los Caballeros and Philadelphia are separated by a distance of 1440 mi. This flight may include one or multiple stops.

  • 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 $487.

  • 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 $178. Users have also found prices from $185 and $195 on JetBlue and American Airlines, respectively.

  • What are the cheapest flights from Santiago de los Caballeros to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $207. While the most popular route (Santiago de los Caballeros - Philadelphia) can be booked for $427 on average, our data indicates $549 when flying from Santiago de los Caballeros to Philadelphia.

  • 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, February is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $280). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $688). 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
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$487Average$591FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.