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Santiago de los Caballeros

$144+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Santiago de los Caballeros are usually found in October or February, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap 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 12, 2025.

Round-trip from

$363
(Priceline)

One-way from

$144
(Priceline)

Popular in

December

Cheapest in

October

Average price

$467
From Philadelphia to Santiago de los Caballeros
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One-way flight from Philadelphia to Santiago de los Caballeros
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Highest demand for flights based on searches. 14% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 12, 2025.

This Priceline deal was found by Cheapflights users on 6/10. 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.
Thu 6/198:05 pmPHL - STI
1 stop16h 45mFrontier
Mon 6/232:10 pmSTI - PHL
1 stop14h 47mFrontier
Deal found 6/10$363
This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:21 pmPHL - STI
1 stop16h 29mSpirit Airlines
Thu 7/1710:55 amSTI - PHL
1 stop12h 35mSpirit Airlines
Deal found 6/10$364
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sun 6/298:05 pmPHL - STI
1 stop16h 45mMultiple Airlines
Tue 7/1510:55 amSTI - PHL
1 stop12h 35mMultiple Airlines
Deal found 6/11$385
This JetBlue deal was found by Cheapflights users on 6/12. 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.
Wed 10/83:10 pmPHL - STI
1 stop8h 49mJetBlue
Wed 10/1512:06 pmSTI - PHL
1 stop9h 18mJetBlue
Deal found 6/12$455
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:30 amPHL - STI
1 stop6h 47mAmerican Airlines
Wed 10/151:41 pmSTI - PHL
2 stops10h 56mAmerican Airlines
Deal found 6/12$539

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 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Santiago de los Caballeros that are best for you.

Fly from

Philadelphia

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Thu 6/19

8:05 pm-12:50 pm

1 stop16h 45m

Santiago de los Caballeros

Mon 6/23

2:10 pm-4:57 am

1 stop14h 47m

$363

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Thu 7/10

5:21 pm-9:50 am

1 stop16h 29m

Santiago de los Caballeros

Thu 7/17

10:55 am-11:30 pm

1 stop12h 35m

$364

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 6/29

8:05 pm-12:50 pm

1 stop16h 45m

Santiago de los Caballeros

Tue 7/15

10:55 am-11:30 pm

1 stop12h 35m

$385

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 8/24

11:54 am-8:48 pm

1 stop8h 54m

Santiago de los Caballeros

Sun 9/7

1:29 pm-7:07 am

2 stops17h 38m

$544

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 6/17

8:05 pm-12:50 pm

1 stop16h 45m

$144

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Mon 7/28

5:21 pm-9:50 am

1 stop16h 29m

$152

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Thu 7/24

7:59 pm-3:12 pm

2 stops19h 13m

$477

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 6/15

6:08 am-9:05 pm

2 stops14h 57m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Santiago de los Caballeros. Price data was last updated on June 9, 2025.

Booking 61 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, May is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $347). Flying from Philadelphia to Santiago de los Caballeros in July is currently the most expensive (average of $630). 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 12, 2025.

When flying from Philadelphia to Santiago de los Caballeros, 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 30% versus a flight at noon.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 12, 2025.
Read through reviews of airlines operating flights from Philadelphia to Santiago de los Caballeros, such as United Airlines, JetBlue and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
JetBlue
7.3
Good
2,925 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Spirit Airlines
6.3
Okay
8,052 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Frontier
5.9
Fair
3,295 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Currently priced at $363, 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 Spirit Airlines and JetBlue - these airlines can fly you to your destination from $364 and $455, respectively. Frontier is currently priced 23% 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 $144. Users have also found prices from $156 and $477 on Spirit Airlines and United Airlines, respectively.

  • 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, May is the cheapest month in which you can book a flight from Philadelphia to Santiago de los Caballeros (average of $347). Flying from Philadelphia to Santiago de los Caballeros in July is currently the most expensive (average of $630). 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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Alternative routes for Philadelphia to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Santiago de los Caballeros flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to Punta Cana flights
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Pittsburgh to Punta Cana flights
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Allentown to Punta Cana flights
Philadelphia to Puerto Plata flights
Reagan-National to Santiago de los Caballeros flights
Dulles Intl to Santiago de los Caballeros flights
Pittsburgh to Santo Domingo flights
Pittsburgh to Puerto Plata flights
Harrisburg to Punta Cana flights
Pittsburgh to Santiago de los Caballeros flights
John F Kennedy Intl to La Romana flights
Harrisburg to Santo Domingo flights
Scranton to Punta Cana flights
Harrisburg to Puerto Plata flights
Allentown to Santiago de los Caballeros flights
Scranton to Santo Domingo flights
Dulles Intl to La Romana flights
LaGuardia to Nagua flights
State College to Punta Cana flights
State College to Santo Domingo flights
Allentown to Puerto Plata flights
Harrisburg to Santiago de los Caballeros flights
Newark to Nagua flights
Philadelphia to Nagua flights
Reagan-National to Nagua flights
Dulles Intl to Nagua flights
Williamsport to Punta Cana flights

Top 4 airlines flying from Philadelphia to Santiago de los Caballeros

Discover the top 4 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$178Average$460FlexibilityNo cancel feeOn-time65%
FrontierCheapest$234Average$403FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$407Average$586FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$444Average$578FlexibilityNo cancel feeOn-time62%

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