Cheap flights from Philadelphia (PHL) to Santiago de los Caballeros (STI) from $97

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
PHL — STI
sep. 26 — oct. 31

How to find the cheapest flight from Philadelphia (PHL) to Santiago de los Caballeros (STI)

All the information you need to plan the best PHL to STI flight in 2023: compare Philadelphia to Santiago de los Caballeros flight prices with the expected peak season, weather and rainfall in Santiago de los Caballeros.

Popular in

December

Cheapest in

March

Round-trip from

$354

One-way from

$97
High demand for flights, 36% potential price rise
Best time to find cheap flights, 24% potential price drop
From Philadelphia to Santiago de los Caballeros
One-way flight from Philadelphia to Santiago de los Caballeros

PHL - STI

Price

$354 - $973

STI

Temperature

73.4 - 80.6 °F

STI

Rainfall

3 - 11.6 inches

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Santiago de los Caballeros. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 28% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Philadelphia to Santiago de los Caballeros from $508 1-2 weeks out and tickets from $650 for flights departing within the next 72 hours.

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

Our data shows that March tends to be the cheapest month to fly to Santiago de los Caballeros from Philadelphia. Users have commonly found prices around $501 for the month, but tickets can be as low as $299. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Philadelphia to Santiago de los Caballeros (PHL - STI)?

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 afternoon, which can drop the price by up to 53% versus a flight at noon.

Cheap American Airlines flights from Philadelphia to Santiago de los Caballeros

Take a peek at the cheapest American Airlines flights we've detected traveling from Philadelphia to Santiago de los Caballeros. Make sure to double check the flight details before booking.

Cheap Delta flights from Philadelphia to Santiago de los Caballeros

Have a look at some of the cheapest available Delta flights departing from Philadelphia and landing in Santiago de los Caballeros. Make sure to examine the flight information before completing your reservation.

Cheap Philadelphia to Santiago de los Caballeros flights in September & October 2023

The best prices found for PHL to STI flights for September, October
Scroll through some of the best deals on flights from Philadelphia to Santiago de los Caballeros in 2023. For more flight deals, be sure to check back very soon.

Philadelphia to Santiago de los Caballeros 2023 flight deals

Cheap flights to Santiago de los Caballeros from Philadelphia found for this year
Scroll through some of the best deals on flights from Philadelphia to Santiago de los Caballeros in 2023. For more flight deals, be sure to check back very soon.

Philadelphia to Santiago de los Caballeros flights leaving soon

Late deals on return flights to Santiago de los Caballeros from Philadelphia, departing today and this week
Have a look at some of the last-minute flights available departing from Philadelphia to Santiago de los Caballeros. It's wise to confirm all flight details are correct before booking.

One-way flights to Santiago de los Caballeros from Philadelphia

The cheapest one-way flights from Philadelphia to Santiago de los Caballeros
Take a look at some of the best available options we've come across on one-way flights from Philadelphia to Santiago de los Caballeros. Those needing a return flight from Philadelphia to Santiago de los Caballeros can use the search form above.

Find flights from Philadelphia to Santiago de los Caballeros within your budget

Use the slider to find flights from Philadelphia to Santiago de los Caballeros that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$248 - $552

Route

Depart

Return

Price

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mié. 10/11

1 stop20h 43m

Santiago de los Caballeros

vie. 10/20

1 stop21h 03m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mié. 10/11

2 stops29h 15m

Santiago de los Caballeros

vie. 10/20

1 stop21h 03m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

vie. 10/20

2 stops29h 15m

Santiago de los Caballeros

lun. 10/23

2 stops14h 52m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

lun. 10/16

1 stop20h 43m

Santiago de los Caballeros

dom. 10/22

1 stop6h 38m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

lun. 10/16

1 stop20h 43m

Santiago de los Caballeros

dom. 10/22

2 stops18h 35m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mié. 11/1

1 stop11h 51m

Santiago de los Caballeros

lun. 11/6

1 stop10h 09m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

jue. 11/30

1 stop6h 30m

Santiago de los Caballeros

sáb. 12/9

1 stop9h 24m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mié. 11/1

2 stops18h 55m

Santiago de los Caballeros

sáb. 11/11

2 stops16h 31m

PhiladelphiaSantiago de los Caballeros

PHL - STI

PHLSTI

Philadelphia

mar. 10/31

3 stops30h 57m

Santiago de los Caballeros

vie. 11/10

2 stops19h 41m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Santiago de los Caballeros

Read through reviews of airlines operating flights from Philadelphia to Santiago de los Caballeros, such as American Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Delta
7.9
Good
3,016 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

JetBlue
7.2
Good
781 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Spirit Airlines
6.3
Okay
1,482 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Useful info, stats and facts about Philadelphia to Santiago de los Caballeros flights.

Can I find flights from Philadelphia to Santiago de los Caballeros for under $300 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Santiago de los Caballeros for under $300. The cheapest flight booked recently is on Spirit Airlines for just $248, but on average you can expect to pay $276.

Are there last-minute flights available from Philadelphia to Santiago de los Caballeros for under $300?

There are currently 20+ open flights from Philadelphia to Santiago de los Caballeros within the next 7 days for less than $300.

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

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

Currently priced at $248, Spirit Airlines will fly you from Philadelphia to Santiago de los Caballeros and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Spirit Airlines is currently priced 50% below the average price you’ll pay for this route.

What are the most popular airlines that fly from Philadelphia to Santiago de los Caballeros?

What does PHL to STI mean?

This is defined as Philadelphia Airport (PHL) and Santiago de los Caballeros Airport (STI). Codes like Santiago de los Caballeros Airport are often used to just call airports uniquely.

Alternative routes for Philadelphia to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Philadelphia to Santiago de los Caballeros

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Santiago de los Caballeros choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$275Average$400FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$296Average$578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest$316Average$416FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest$384Average$587FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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