Cheap flights from Philadelphia to Santiago de los Caballeros from $224

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:43 am - 3:16 pmPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
Frontier Logo
4:31 pm - 7:20 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 49mnonstop
$499Frontier
Thu, Jan 14 - Tue, Jan 19
Frontier Logo
10:43 am - 3:16 pmPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
Frontier Logo
4:31 pm - 7:20 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 49mnonstop
$509Frontier
Thu, Jan 14 - Sun, Jan 17
Frontier Logo
5:45 am - 10:18 amPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
Frontier Logo
4:31 pm - 7:20 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 49mnonstop
$510Frontier
Tue, Jan 5 - Tue, Jan 19
American Airlines Logo
11:02 am - 3:49 pmPHL  Philadelphia-STI Santiago de los Caballeros
3h 47mnonstop
American Airlines Logo
4:49 pm - 7:45 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 56mnonstop
$550American Airlines
Thu, Feb 18 - Tue, Feb 23
American Airlines Logo
8:12 am - 10:28 pmPHL  Philadelphia-STI Santiago de los Caballeros
14h 16m1 stop Miami
American Airlines Logo
3:49 pm - 7:45 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 56mnonstop
$552American Airlines
Thu, Mar 25 - Thu, Apr 1
American Airlines Logo
8:12 am - 10:28 pmPHL  Philadelphia-STI Santiago de los Caballeros
14h 16m1 stop Miami
American Airlines Logo
1:22 pm - 5:20 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 58mnonstop
$552American Airlines
Thu, Mar 25 - Tue, Apr 6
JetBlue Logo
1:00 pm - 8:26 pmPHL  Philadelphia-STI Santiago de los Caballeros
6h 26m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
9:36 pm - 12:10 pmSTI  Santiago de los Caballeros-PHL Philadelphia
15h 34m1 stop San Juan Luis Munoz Marin Intl
$562JetBlue
Wed, Jan 20 - Mon, Feb 8
JetBlue Logo
11:20 am - 7:05 pmPHL  Philadelphia-STI Santiago de los Caballeros
6h 45m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
7:19 pm - 10:45 amSTI  Santiago de los Caballeros-PHL Philadelphia
16h 26m1 stop San Juan Luis Munoz Marin Intl
$562JetBlue
Fri, Nov 27 - Wed, Dec 2
United Airlines Logo
10:31 am - 11:51 pmPHL  Philadelphia-STI Santiago de los Caballeros
12h 20m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 am - 5:44 pmSTI  Santiago de los Caballeros-PHL Philadelphia
12h 44m2 stops Newark Chicago O'Hare Intl
$569United Airlines
Sun, Jan 24 - Wed, Feb 3
Multiple Airlines Logo
10:43 am - 3:16 pmPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
Multiple Airlines Logo
9:36 pm - 12:10 pmSTI  Santiago de los Caballeros-PHL Philadelphia
15h 34m1 stop San Juan Luis Munoz Marin Intl
$579Multiple Airlines
Tue, Jan 12 - Sat, Jan 23

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American Airlines flights from Philadelphia to Santiago de los Caballeros

Our best American Airlines deals on Philadelphia to Santiago de los Caballeros flight tickets
American Airlines
Feb 18
PHL11:02 amPhiladelphia
3h 47m
STI3:49 pmSantiago de los Caballeros
Feb 23
STI4:49 pmSantiago de los Caballeros
3h 56m
PHL7:45 pmPhiladelphia
$550
American Airlines
Mar 25
PHL8:12 amPhiladelphia
14h 16m
1 stop
STI10:28 pmSantiago de los Caballeros
Apr 1
STI3:49 pmSantiago de los Caballeros
3h 56m
PHL7:45 pmPhiladelphia
$552
American Airlines
Feb 18
PHL7:00 amPhiladelphia
15h 28m
1 stop
STI11:28 pmSantiago de los Caballeros
Feb 23
STI4:49 pmSantiago de los Caballeros
3h 56m
PHL7:45 pmPhiladelphia
$554

Frontier flights from Philadelphia to Santiago de los Caballeros

Our best Frontier deals on Philadelphia to Santiago de los Caballeros flight tickets
Frontier
Jan 14
PHL10:43 amPhiladelphia
3h 33m
STI3:16 pmSantiago de los Caballeros
Jan 19
STI4:31 pmSantiago de los Caballeros
3h 49m
PHL7:20 pmPhiladelphia
$499
Frontier
Jan 14
PHL10:43 amPhiladelphia
3h 33m
STI3:16 pmSantiago de los Caballeros
Jan 17
STI4:31 pmSantiago de los Caballeros
3h 49m
PHL7:20 pmPhiladelphia
$509
Frontier
Jan 5
PHL5:45 amPhiladelphia
3h 33m
STI10:18 amSantiago de los Caballeros
Jan 19
STI4:31 pmSantiago de los Caballeros
3h 49m
PHL7:20 pmPhiladelphia
$510

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Thu 1/14

10:43 am-3:16 pm

Nonstop3h 33m

Santiago de los Caballeros

Tue 1/19

4:31 pm-7:20 pm

Nonstop3h 49m

$499

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Thu 1/14

10:43 am-3:16 pm

Nonstop3h 33m

Santiago de los Caballeros

Sun 1/17

4:31 pm-7:20 pm

Nonstop3h 49m

$509

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Tue 1/5

5:45 am-10:18 am

Nonstop3h 33m

Santiago de los Caballeros

Tue 1/19

4:31 pm-7:20 pm

Nonstop3h 49m

$510

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Thu 2/18

11:02 am-3:49 pm

Nonstop3h 47m

Santiago de los Caballeros

Tue 2/23

4:49 pm-7:45 pm

Nonstop3h 56m

$550

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Thu 3/25

8:12 am-10:28 pm

1 stop14h 16m

Santiago de los Caballeros

Thu 4/1

3:49 pm-7:45 pm

Nonstop3h 56m

$552

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Thu 3/25

8:12 am-10:28 pm

1 stop14h 16m

Santiago de los Caballeros

Tue 4/6

1:22 pm-5:20 pm

Nonstop3h 58m

$552

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Wed 1/20

1:00 pm-8:26 pm

1 stop6h 26m

Santiago de los Caballeros

Mon 2/8

9:36 pm-12:10 pm

1 stop15h 34m

$562

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Fri 11/27

11:20 am-7:05 pm

1 stop6h 45m

Santiago de los Caballeros

Wed 12/2

7:19 pm-10:45 am

1 stop16h 26m

$562

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Sun 1/24

10:31 am-11:51 pm

2 stops12h 20m

Santiago de los Caballeros

Wed 2/3

6:00 am-5:44 pm

2 stops12h 44m

$569

PhiladelphiaSantiago de los Caballeros

PHL Philadelphia - STI Santiago de los Caballeros

PHLSTI

Philadelphia

Tue 1/12

10:43 am-3:16 pm

Nonstop3h 33m

Santiago de los Caballeros

Sat 1/23

9:36 pm-12:10 pm

1 stop15h 34m

$579

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Philadelphia to Santiago de los Caballeros

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Philadelphia and Santiago de los Caballeros?

Prices are currently typical for flights on this route.

Typical prices usually range from $451 to $645.
The lowest price recently found on this route was $499.

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

The cheapest month to fly to Santiago de los Caballeros from Philadelphia is in January. Flight prices, which tend to average around $411, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $454.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from Philadelphia to Santiago de los Caballeros is on a Wednesday when prices can be found for as low as $410. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Santiago de los Caballeros for around $668.

What is the cheapest Philadelphia to Santiago de los Caballeros flight route?

Fly from Philadelphia to Santiago de los Caballeros for the best Philadelphia - Santiago de los Caballeros flight prices

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

You are more likely to see cheaper flights to Santiago de los Caballeros from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago de los Caballeros for around $567 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago de los Caballeros from Philadelphia for as low as $516 on momondo.

What cabin class options are available on Philadelphia to Santiago de los Caballeros flights?

There are 3 cabin classes available to choose from on Philadelphia to Santiago de los Caballeros flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Santiago de los Caballeros flights?

You could potentially save up to 27% on your flight if you consider stops on a Philadelphia to Santiago de los Caballeros flight.

How have Philadelphia to Santiago de los Caballeros flight prices changed over time?

As of November 2026, prices for Philadelphia to Santiago de los Caballeros flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Santiago de los Caballeros (PHL to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Santiago de los Caballeros

Best Price Found

$224

Fastest flight time

3h 33m

Direct flights

Mon, Wed, Fri and Sun

Airports in Santiago de los Caballeros

1 airport
The best one-way flight to Santiago de los Caballeros from Philadelphia in the past 72 hours is $224. The best round-trip flight deal from Philadelphia to Santiago de los Caballeros found on momondo in the last 72 hours is $499.
The fastest flight from Philadelphia to Santiago de los Caballeros takes 3h 33m
Direct flights go from Philadelphia to Santiago de los Caballeros on Monday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Santiago de los Caballeros. From Philadelphia there are direct flights to Santiago de los Caballeros (STI).

Frequently asked questions about flying from Philadelphia to Santiago de los Caballeros

  • How far is Philadelphia to Santiago de los Caballeros by plane?

    The distance between Philadelphia and Santiago de los Caballeros is about 1440.1 mi. By plane, this route typically takes 3h 33m.

  • When did momondo last update prices for flights from Philadelphia Airport to Santiago de los Caballeros Airport?

    Prices for flights from Philadelphia Airport to Santiago de los Caballeros Airport were last updated today.

  • How many operators does momondo search for flights from Philadelphia Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Philadelphia Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Philadelphia to Santiago de los Caballeros?

  • What is the most popular airline from Philadelphia to Santiago de los Caballeros?

Best airlines flying from Philadelphia to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Philadelphia to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $322Free CancellationRating
5.5
2,504 reviews
Search Frontier flights
JetBluePriceFrom $386Free CancellationRating
7.1
3,075 reviews
Search JetBlue flights
American AirlinesPriceFrom $412Free CancellationRating
7.0
12,235 reviews
Search American Airlines flights
  • American Airlines Flights From Philadelphia to Santiago de los Caballeros

    American Airlines flight deals from Philadelphia to Santiago de los Caballeros start from $412 round-trip. Over the 3 American Airlines flights for this route in a normal week, average airfare is usually $683 round-trip - but some users have found much cheaper deals with momondo.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Santiago de los Caballeros?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santiago de los Caballeros from Philadelphia.

Can I find flights from Philadelphia to Santiago de los Caballeros with flexible booking policies on momondo?

All flight searches from Philadelphia to Santiago de los Caballeros on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Santiago de los Caballeros?

Once all potential Philadelphia to Santiago de los Caballeros flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to Santiago de los Caballeros right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Santiago de los Caballeros now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santiago de los Caballeros and let you know when they change.

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1 adult
Sun 12/13
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