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Santiago de los Caballeros

$173+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STI
Apr 13 — Apr 201
Sun 4/13
Sun 4/20
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 42 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 April 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Frontier)

One-way from

$173
(Frontier)

Popular in

July

Cheapest in

October

Average price

$463
Provider with most accurate pricing for Philadelphia-Santiago de los Caballeros flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Santiago de los Caballeros flights.
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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. 16% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 8, 2025.

This Frontier deal was found by Cheapflights users on 4/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:07 amPHL - STI
1 stop6h 26mFrontier
Fri 5/96:43 pmSTI - PHL
1 stop7h 16mFrontier
Deal found 4/7$359
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:57 amPHL - STI
1 stop7h 49mSpirit Airlines
Tue 5/133:53 pmSTI - PHL
1 stop6h 50mSpirit Airlines
Deal found 4/6$366
This CheapOair deal was found by Cheapflights users on 4/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:57 amPHL - STI
1 stop7h 49mMultiple Airlines
Sun 5/116:43 pmSTI - PHL
1 stop7h 16mMultiple Airlines
Deal found 4/7$386
This JetBlue Airways deal was found by Cheapflights users on 4/7. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:30 pmPHL - STI
1 stop8h 57mJetBlue
Wed 5/710:30 amSTI - PHL
1 stop11h 51mJetBlue
Deal found 4/7$455
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 6/711:25 amPHL - STI
1 stop9h 40mAmerican Airlines
Thu 6/197:05 amSTI - PHL
1 stop16h 53mAmerican Airlines
Deal found 4/7$515
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:42 amPHL - STI
2 stops14h 02mDelta
Wed 10/156:10 amSTI - PHL
2 stops13h 13mDelta
Deal found 4/8$559
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:06 amPHL - STI
2 stops15h 40mUnited Airlines
Tue 5/132:07 pmSTI - PHL
3 stops24h 19mUnited Airlines
Deal found 4/6$609

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 April 8, 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

Mon 5/5

11:07 am-5:33 pm

1 stop6h 26m

Santiago de los Caballeros

Fri 5/9

6:43 pm-1:59 am

1 stop7h 16m

$359

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 5/6

6:57 am-2:46 pm

1 stop7h 49m

Santiago de los Caballeros

Tue 5/13

3:53 pm-10:43 pm

1 stop6h 50m

$366

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 5/6

6:57 am-2:46 pm

1 stop7h 49m

Santiago de los Caballeros

Sun 5/11

6:43 pm-1:59 am

1 stop7h 16m

$386

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Fri 5/2

5:30 pm-2:27 am

1 stop8h 57m

Santiago de los Caballeros

Wed 5/7

10:30 am-10:21 pm

1 stop11h 51m

$455

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sat 6/7

11:25 am-9:05 pm

1 stop9h 40m

Santiago de los Caballeros

Thu 6/19

7:05 am-11:58 pm

1 stop16h 53m

$515

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Tue 5/6

10:06 am-1:46 am

2 stops15h 40m

Santiago de los Caballeros

Tue 5/13

2:07 pm-2:26 pm

3 stops24h 19m

$609

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 4/20

6:00 am-5:30 pm

1 stop11h 30m

$173

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Thu 4/17

6:57 am-2:46 pm

1 stop7h 49m

$208

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Sun 4/27

4:28 pm-4:00 pm

2 stops23h 32m

$220

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

Thu 7/3

1:50 pm-9:05 pm

1 stop7h 15m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 13 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 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?

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 April 4, 2025.

Booking 42 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 $631). 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 April 8, 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 April 8, 2025.
Read through reviews of airlines operating flights from Philadelphia to Santiago de los Caballeros, such as Delta, United Airlines and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,901 reviews
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,629 reviews
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Spirit Airlines
6.3
Okay
7,902 reviews
Delta
8.0
Very good
7,901 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $359, 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 $366 and $455, respectively. Frontier is currently priced 26% 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 $173. Users have also found prices from $208 and $260 on Spirit Airlines and American 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 $631). 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 Punta Cana flights
Newark to Punta Cana flights
Newark to Santiago de los Caballeros flights
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LaGuardia to Punta Cana flights
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LaGuardia to Puerto Plata flights
Reagan-National to Santo Domingo flights
Reagan-National to Puerto Plata flights
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Pittsburgh to Puerto Plata flights
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Harrisburg to Santo Domingo flights
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LaGuardia to Nagua flights
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Newark to Nagua flights
Allentown to Santiago de los Caballeros flights
Scranton to Santo Domingo flights
Scranton to Punta Cana flights
State College to Punta Cana flights
State College to Santo Domingo flights
Allentown to Puerto Plata flights
Philadelphia to Nagua flights
Reagan-National to Nagua flights
Harrisburg to Puerto Plata 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 April 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$230Average$413FlexibilityNo cancel feeOn-time65%
FrontierCheapest$234Average$383FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$367Average$572FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$444Average$563FlexibilityNo cancel feeOn-time62%

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