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Santiago de los Caballeros

$204+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STI
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Find cheap flights from Philadelphia to Santiago de los Caballeros with Cheapflights

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Cheapflights Tip: The best prices from Philadelphia to Santiago de los Caballeros are usually found in September or October, booked 52 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 June 9, 2026.

This American Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 9/18:30 am
PHL
-
STI
Nonstop3h 52m
American Airlines
Tue 9/81:32 pm
STI
-
PHL
Nonstop3h 48m
American Airlines
Deal found 6/7$439
This Frontier deal was found by Cheapflights users on 6/8. 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.
Sun 7/56:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Tue 7/2111:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/8$445
This Travelocity deal was found by Cheapflights users on 6/6. 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.
Sun 7/56:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Thu 7/1611:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/6$453
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am
PHL
-
STI
1 stop6h 27m
JetBlue
Sun 9/203:49 pm
STI
-
PHL
1 stop7h 18m
JetBlue
Deal found 6/9$470
This Frontier deal was found by Cheapflights users on 6/8. 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.
Tue 7/76:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Tue 7/2111:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/8$472
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
PHL
-
STI
1 stop17h 51m
JetBlue
Tue 8/45:01 am
STI
-
PHL
1 stop11h 06m
JetBlue
Deal found 6/8$474
This Priceline deal was found by Cheapflights users on 6/5. 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.
Tue 7/76:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Thu 7/2311:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/5$480
This Frontier deal was found by Cheapflights users on 6/8. 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.
Tue 6/306:20 am
PHL
-
STI
Nonstop3h 34m
Frontier
Thu 7/3011:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/8$481
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
PHL
-
STI
1 stop8h 36m
JetBlue
Fri 9/259:35 pm
STI
-
PHL
1 stop13h 30m
JetBlue
Deal found 6/7$486
This Frontier deal was found by Cheapflights users on 6/8. 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.
Sun 7/56:20 am
PHL
-
STI
Nonstop3h 39m
Frontier
Sun 7/1211:14 am
STI
-
PHL
Nonstop3h 49m
Frontier
Deal found 6/8$489

Find 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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(Expedia)

One-way from

$204
(Super.com)

Popular in

December

Cheapest in

September

Average price

$604

Good round-trip deal

$560 or less

Good one-way deal

$235 or less
Provider with most accurate pricing for Philadelphia-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Santiago de los Caballeros flights.
Search Deals
From Philadelphia to Santiago de los Caballeros
Search Deals
One-way flight from Philadelphia to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 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 Philadelphia to Santiago de los Caballeros.
Search Deals
Price to beat on a one-way flight from Philadelphia to Santiago de los Caballeros.
Search Deals

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 June 9, 2026.
Use the filters below to find and compare flights from Philadelphia to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 10/25

11:45 am-6:22 pm

1 stop6h 37m

Santiago de los Caballeros

Wed 11/4

6:01 am-12:05 pm

1 stop7h 04m

$531

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sat 10/31

1:00 pm-11:51 pm

1 stop10h 51m

Santiago de los Caballeros

Sun 11/1

4:43 pm-11:39 pm

1 stop7h 56m

$554

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 10/25

8:15 am-2:34 pm

1 stop6h 19m

Santiago de los Caballeros

Sun 11/1

4:43 pm-11:39 pm

1 stop7h 56m

$711

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 9/1

7:40 pm-12:57 pm

2 stops17h 17m

Santiago de los Caballeros

Tue 9/8

4:23 pm-12:15 pm

2 stops19h 52m

$783

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Fri 9/11

6:56 pm-10:52 pm

3 stops27h 56m

Santiago de los Caballeros

Tue 9/15

4:23 pm-10:02 am

2 stops17h 39m

$803

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 10/27

4:56 pm-10:46 am

2 stops17h 50m

Santiago de los Caballeros

Sun 11/1

6:00 am-9:24 am

2 stops28h 24m

$807

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 8/18

1:35 pm-3:12 pm

2 stops25h 37m

Santiago de los Caballeros

Tue 8/25

6:00 am-12:59 am

2 stops18h 59m

$828

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Mon 8/17

7:40 pm-12:57 pm

2 stops17h 17m

Santiago de los Caballeros

Mon 8/24

6:00 am-9:43 am

2 stops27h 43m

$891

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 7/26

7:45 pm-10:52 pm

2 stops27h 07m

Santiago de los Caballeros

Sun 8/2

6:00 am-9:45 am

2 stops27h 45m

$891

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sat 8/8

7:45 pm-10:52 pm

2 stops27h 07m

Santiago de los Caballeros

Sat 8/15

2:07 pm-10:07 am

2 stops20h 00m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

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

Compare providers for flights from Philadelphia to Santiago de los Caballeros

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 Philadelphia to Santiago de los Caballeros in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Philadelphia-Santiago de los Caballeros flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Santiago de los Caballeros flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Santiago de los Caballeros 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 Philadelphia-Santiago de los Caballeros 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 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?

Booking 51 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, September is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $391). Flying from Philadelphia to Santiago de los Caballeros in December is currently the most expensive (average of $752). 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 June 9, 2026.

When flying from Philadelphia to Santiago de los Caballeros, 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 Philadelphia to Santiago de los Caballeros?

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 June 9, 2026.
Peruse reviews from past customers who have flown with American Airlines,JetBlue, andFrontier 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.
American Airlines
7.1
Good
11,643 reviews

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,643 reviews
American Airlines
7.1
Good
11,643 reviews

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
JetBlue
7.1
Good
2,980 reviews
American Airlines
7.1
Good
11,643 reviews

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
Frontier
5.6
Fair
2,903 reviews
American Airlines
7.1
Good
11,643 reviews

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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.

  • How popular is this Philadelphia to Santiago de los Caballeros flight route?

    Within the past month, 6 users have taken a look at flights from Philadelphia to Santiago de los Caballeros.

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

    Departing from Philadelphia to Santiago de los Caballeros will take you 3h 39m. There are 1440 mi between Philadelphia and Santiago de los Caballeros. All flights are typically nonstop.

  • What are the cheapest airlines flying from Philadelphia to Santiago de los Caballeros round-trip?

    Currently priced at $353, Frontier will fly you from Philadelphia to Santiago de los Caballeros and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and American Airlines - these airlines can fly you to your destination from $386 and $466, respectively. Frontier is currently priced 33% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $148. Users have also found prices from $181 and $265 on JetBlue and American Airlines, respectively.

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

    The cheapest flight price from Philadelphia to Santiago de los Caballeros is $182. On average you can expect to pay $485. The most popular route, (Philadelphia - Santiago de los Caballeros), can usually be booked for $372.

  • 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, September is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $391). Flying from Philadelphia to Santiago de los Caballeros in December is currently the most expensive (average of $752). 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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Top 3 airlines flying from Philadelphia to Santiago de los Caballeros

Discover the top 3 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$355Average$575FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$386Average$539FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$466Average$700FlexibilityNo cancel feeOn-time71%

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