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$194+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
STI — PHL
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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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”

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3. Compare prices and book

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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 May 18, 2026.

This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:09 am
STI
-
PHL
Nonstop3h 42m
Frontier
Tue 8/46:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 5/14$416
This Orbitz deal was found by Cheapflights users on 5/13. 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 Orbitz 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
Multiple Airlines
Thu 8/134:59 pm
PHL
-
STI
1 stop6h 52m
Multiple Airlines
Deal found 5/13$417
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:01 am
STI
-
PHL
1 stop8h 01m
JetBlue
Sun 9/271:58 pm
PHL
-
STI
1 stop9h 53m
JetBlue
Deal found 5/12$420
This CheapOair deal was found by Cheapflights users on 5/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:09 am
STI
-
PHL
Nonstop3h 42m
Multiple Airlines
Tue 7/214:59 pm
PHL
-
STI
1 stop6h 52m
Multiple Airlines
Deal found 5/12$423
This Trip.com deal was found by Cheapflights users on 5/15. 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 6/2311:09 am
STI
-
PHL
Nonstop3h 42m
Frontier
Thu 7/166:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 5/15$431
This FlightHub deal was found by Cheapflights users on 5/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:09 am
STI
-
PHL
Nonstop3h 42m
Frontier
Sun 7/56:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Deal found 5/14$433
This Trip.com deal was found by Cheapflights users on 5/15. 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.
Thu 6/1811:09 am
STI
-
PHL
Nonstop3h 42m
Frontier
Tue 6/236:20 am
PHL
-
STI
Nonstop3h 34m
Frontier
Deal found 5/15$439
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:21 pm
STI
-
PHL
Nonstop3h 45m
American Airlines
Thu 5/289:50 pm
PHL
-
STI
1 stop47h 23m
American Airlines
Deal found 5/13$452

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$416
(Justfly.com)

One-way from

$194
(Trip.com)

Popular in

May

Cheapest in

February

Average price

$591

Good round-trip deal

$498 or less

Good one-way deal

$277 or less
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. 1% potential increase in price ($5 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).
Search Deals
Average for round-trip flights in May 2026
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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.
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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 May 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
Quickest round-trip

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 6/16

11:09 am-2:51 pm

Nonstop3h 42m

Philadelphia

Tue 8/4

6:20 am-9:59 am

Nonstop3h 39m

$419

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 9/24

3:55 pm-11:44 pm

1 stop7h 49m

Philadelphia

Sun 9/27

1:58 pm-11:51 pm

1 stop9h 53m

$420

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Mon 6/15

1:17 am-8:00 pm

2 stops18h 43m

Philadelphia

Tue 8/4

4:59 pm-11:51 pm

1 stop6h 52m

$544

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 9/24

4:23 pm-10:27 am

2 stops18h 04m

Philadelphia

Sun 9/27

6:15 am-3:12 pm

2 stops8h 57m

$581

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 6/2

4:23 pm-11:44 pm

2 stops31h 21m

Philadelphia

Sun 6/14

8:05 am-3:12 pm

2 stops31h 07m

$863

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 6/18

4:23 pm-6:55 pm

2 stops26h 32m

Philadelphia

Mon 7/13

7:45 pm-10:52 pm

2 stops27h 07m

$874

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 8/14

2:07 pm-3:48 pm

3 stops25h 41m

Philadelphia

Sun 8/30

6:56 pm-3:12 pm

3 stops44h 16m

$893

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 6/23

6:00 am-11:44 pm

2 stops17h 44m

Philadelphia

Wed 7/15

3:10 pm-3:12 pm

2 stops24h 02m

$931

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 8/21

6:00 am-3:48 pm

3 stops33h 48m

Philadelphia

Thu 9/3

3:05 pm-12:57 pm

2 stops21h 52m

$972

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 6/18

2:07 pm-9:45 am

2 stops19h 38m

Philadelphia

Wed 7/15

6:10 am-10:52 pm

2 stops16h 42m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 23 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 May.
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
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

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 $273). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $591). 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.

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 May 18, 2026.
See what other customers who have flown with American Airlines and Spirit 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
11,654 reviews

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

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
11,654 reviews
American Airlines
7.1
Good
11,654 reviews

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

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.
Spirit Airlines
6.2
Okay
8,623 reviews
American Airlines
7.1
Good
11,654 reviews

Comfort

7.2

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

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 3h 42m. Fly via Frontier, 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 are the cheapest airlines flying from Santiago de los Caballeros to Philadelphia round-trip?

    Cheapflights users have booked flights from Santiago de los Caballeros to Philadelphia round-trip from $266. Another airline that can offer you cheap pricing is American Airlines. These flights start at 42% lower than the current average price 3 months from now.

  • 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 $155. Users have also found prices from $178 and $185 on Frontier and JetBlue, respectively.

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

    Looking at all options, your cheapest flight can be booked for $217. While the most popular route (Santiago de los Caballeros - Philadelphia) can be booked for $403 on average, our data indicates $435 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 $273). Flying from Santiago de los Caballeros to Philadelphia in May is currently the most expensive (average of $591). 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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Santiago de los Caballeros to Philadelphia

Discover the top 2 airlines 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$266Average$373FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$498Average$595FlexibilityNo cancel feeOn-time71%

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