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 $337. Other airlines that can offer you cheap pricing are Frontier, from $440, and American Airlines, from $506. These flights start at 28% 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 $164. Users have also found prices from $207 and $273 on Frontier and American Airlines, respectively.

What is the cheapest day to fly from Santiago de los Caballeros to Philadelphia?

Travelers seeking maximum savings on their Santiago de los Caballeros to Philadelphia flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest day to fly round-trip from Santiago de los Caballeros to Philadelphia?

Saturday flights are generally found to be more expensive for flights from Santiago de los Caballeros to Philadelphia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Philadelphia.

What is the cheapest month to fly from Santiago de los Caballeros to Philadelphia?

February is one of the best times of the year to fly to Philadelphia from Santiago de los Caballeros. Prices for February average $470 per person but you can even find prices for as low as $215. The most expensive prices can be found in the month of December. Opting for a February flight can save you 32% on your journey compared to booking in December

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.

$164+ Flights from Santiago de los Caballeros to Philadelphia

Q: How far in advance should I book a flight from Santiago de los Caballeros to Philadelphia?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 139% on flights from Santiago de los Caballeros to Philadelphia compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $357. For sooner than that we have options available in the next 3 days from $713.

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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”

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 November, booked 35 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Santiago de los Caballeros to Philadelphia

Round-trip from	$337 (Cheapflightsfares)
One-way from	$164 (SmartFares)
Popular in	December
Cheapest in	February
Average price	$589

From Santiago de los Caballeros to Philadelphia

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One-way flight from Santiago de los Caballeros to Philadelphia

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 July 1, 2025.

Fri 7/1110:55 amSTI - PHL

1 stop12h 35mSpirit Airlines

Tue 7/295:21 pmPHL - STI

1 stop16h 29mSpirit Airlines

Deal found 7/1

$337

Wed 8/2010:20 amSTI - PHL

1 stop13h 00mMultiple Airlines

Wed 9/178:15 pmPHL - STI

1 stop16h 35mMultiple Airlines

Deal found 6/29

$362

Fri 7/112:06 pmSTI - PHL

1 stop26h 54mFrontier

Tue 7/298:05 pmPHL - STI

1 stop16h 46mFrontier

Deal found 6/29

$440

Mon 9/151:29 pmSTI - PHL

2 stops18h 12mAmerican Airlines

Fri 10/36:50 pmPHL - STI

2 stops17h 37mAmerican Airlines

Deal found 6/30

$506

Best flights from Santiago de los Caballeros to Philadelphia
Discover carefully curated flight deals from Santiago de los Caballeros to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Fri 7/1110:55 amSTI - PHL

1 stop12h 35mSpirit Airlines

Tue 7/295:21 pmPHL - STI

1 stop16h 29mSpirit Airlines

Deal found 7/1

$337

Wed 8/2010:20 amSTI - PHL

1 stop13h 00mMultiple Airlines

Wed 9/178:15 pmPHL - STI

1 stop16h 35mMultiple Airlines

Deal found 6/29

$362

Fri 7/112:06 pmSTI - PHL

1 stop26h 54mFrontier

Tue 7/298:05 pmPHL - STI

1 stop16h 46mFrontier

Deal found 6/29

$440

Mon 9/151:29 pmSTI - PHL

2 stops18h 12mAmerican Airlines

Fri 10/36:50 pmPHL - STI

2 stops17h 37mAmerican Airlines

Deal found 6/30

$506

Last-minute flights from Santiago de los Caballeros to Philadelphia
Discover last-minute flight deals from Santiago de los Caballeros to Philadelphia. Data last updated July 1, 2025 and is based on user searches.

Tue 7/82:07 pmSTI - PHL

2 stops24h 01mUnited Airlines

Sun 7/277:59 pmPHL - STI

2 stops16h 58mUnited Airlines

Deal found 6/29

$849

Tue 7/83:08 amSTI - PHL

1 stop13h 37mJetBlue

Wed 7/235:40 pmPHL - STI

1 stop7h 58mJetBlue

Deal found 6/30

$908

Wed 7/97:04 amSTI - PHL

1 stop17h 15mAmerican Airlines

Wed 7/2310:26 amPHL - STI

2 stops10h 53mAmerican Airlines

Deal found 6/30

$771

Fri 7/1110:55 amSTI - PHL

1 stop12h 35mSpirit Airlines

Tue 7/295:21 pmPHL - STI

1 stop16h 29mSpirit Airlines

Deal found 7/1

$337

Fri 7/112:06 pmSTI - PHL

1 stop26h 54mMultiple Airlines

Tue 7/295:21 pmPHL - STI

1 stop16h 29mMultiple Airlines

Deal found 6/30

$389

Fri 7/112:06 pmSTI - PHL

1 stop26h 54mFrontier

Tue 7/298:05 pmPHL - STI

1 stop16h 46mFrontier

Deal found 6/29

$440

Fri 7/187:04 amSTI - PHL

1 stop17h 15mAmerican Airlines

Sun 8/38:16 amPHL - STI

2 stops13h 03mAmerican Airlines

Deal found 6/30

$678

One-way flights from Santiago de los Caballeros to Philadelphia
Search for one-way flight options from Santiago de los Caballeros to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Fri 7/1110:55 amSTI - PHL

1 stop12h 35mSpirit Airlines

Deal found 6/30

$164

Mon 7/72:06 pmSTI - PHL

1 stop14h 54mFrontier

Deal found 6/30

$207

Sat 7/1910:55 amSTI - PHL

1 stop7h 57mMultiple Airlines

Deal found 6/30

$237

Sat 8/301:31 pmSTI - PHL

2 stops17h 50mAmerican Airlines

Deal found 6/29

$273

Tue 7/222:17 amSTI - PHL

2 stops14h 28mJetBlue

Deal found 6/30

$345

Cheapflights Fare Finder

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

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 7/11

10:55 am-11:30 pm

1 stop12h 35m

Philadelphia

Tue 7/29

5:21 pm-9:50 am

1 stop16h 29m

$337

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Wed 8/20

10:20 am-11:20 pm

1 stop13h 00m

Philadelphia

Wed 9/17

8:15 pm-12:50 pm

1 stop16h 35m

$362

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 7/11

2:06 pm-5:00 pm

1 stop26h 54m

Philadelphia

Tue 7/29

8:05 pm-12:51 pm

1 stop16h 46m

$440

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Mon 9/15

1:29 pm-7:41 am

2 stops18h 12m

Philadelphia

Fri 10/3

6:50 pm-12:27 pm

2 stops17h 37m

$506

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Fri 7/11

10:55 am-11:30 pm

1 stop12h 35m

$164

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Mon 7/7

2:06 pm-5:00 am

1 stop14h 54m

$207

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sat 7/19

10:55 am-6:52 pm

1 stop7h 57m

$237

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Sat 8/30

1:31 pm-7:21 am

2 stops17h 50m

$273

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Thu 12/18

4:00 pm-2:22 pm

2 stops23h 22m

$324

Santiago de los CaballerosPhiladelphia

STI - PHL

STIPHL

Santiago de los Caballeros

Tue 7/22

2:17 am-4:45 pm

2 stops14h 28m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 35 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, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $236). Flying from Santiago de los Caballeros to Philadelphia in March is currently the most expensive (average of $295). 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?

When flying from Santiago de los Caballeros to Philadelphia, 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 41% versus a flight in the morning.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with JetBlue, 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.

JetBlue

7.3

Good

2,919 reviews

Reviews

1 / 20

10.0

Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

JetBlue

7.3

Good

2,919 reviews

JetBlue

7.3

Good

2,919 reviews

Reviews

1 / 20

10.0

Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

American Airlines

7.2

Good

10,000 reviews

JetBlue

7.3

Good

2,919 reviews

Reviews

1 / 20

10.0

Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

Spirit Airlines

6.3

Okay

8,101 reviews

JetBlue

7.3

Good

2,919 reviews

Reviews

1 / 20

10.0

Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

Frontier

5.9

Fair

3,291 reviews

JetBlue

7.3

Good

2,919 reviews

Reviews

1 / 20

10.0

Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

Related info for your journey

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 $337. Other airlines that can offer you cheap pricing are Frontier, from $440, and American Airlines, from $506. These flights start at 28% 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 $164. Users have also found prices from $207 and $273 on Frontier and American Airlines, respectively.
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, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Philadelphia (average of $236). Flying from Santiago de los Caballeros to Philadelphia in March is currently the most expensive (average of $295). 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 airline flying from Santiago de los Caballeros to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$480	Average$541	FlexibilityNo cancel fee	On-time71%

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$164+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Santiago de los Caballeros to Philadelphia are usually found in February or November, booked 35 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Santiago de los Caballeros to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Santiago de los Caballeros to Philadelphia

Cheapest flights from Santiago de los Caballeros to PhiladelphiaExplore 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 July 1, 2025.

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 July 1, 2025.

Cheapflights Fare Finder

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

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.

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?

Use this chart to determine the optimal time to book a round-trip flight from Santiago de los Caballeros to Philadelphia. Price data was last updated on June 27, 2025.

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

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 July 1, 2025.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with JetBlue, 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.

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.

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

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

Can I find deals for flights from Santiago de los Caballeros to Philadelphia that include hotel bookings?

How can I 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?

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

Traveling to a place near Santiago de los Caballeros?

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Alternative routes for Santiago de los Caballeros to Philadelphia

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Top airline flying from Santiago de los Caballeros to Philadelphia

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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 July 1, 2025.