STI - PHL

$286 Find Cheap Flights from Santiago de los Caballeros to Philadelphia - Compare and Save

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Everything you should know

Cheapest round-trip
$522
Typical prices: $486-$644
Frontier
Sat 12/22Fri 1/12
STI - PHL • Non-stop
Cheapest one-way
$312
Typical prices: $242-$427
Multiple Airlines
Mon 12/3
STI - PHL • 2 stops
Nonstop flights
You can fly direct with American Airlines and Frontier. Average duration is 3h 53m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $484 (round-trip)
Shortest trip • 8h 23m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Santiago de los Caballeros to Philadelphia (STI-PHL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Santiago de los Caballeros to Philadelphia

Tue, Dec 22 - Tue, Jan 12
Frontier Logo
5:14 pm - 7:58 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 44mnonstop
Frontier Logo
7:14 am - 11:47 amPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
$522Frontier
Tue, Dec 22 - Thu, Jan 7
Frontier Logo
5:14 pm - 7:58 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 44mnonstop
Frontier Logo
5:45 am - 10:18 amPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
$556Frontier
Mon, Dec 21 - Tue, Jan 5
Multiple Airlines Logo
4:00 pm - 7:00 amSTI  Santiago de los Caballeros-PHL Philadelphia
16h 00m2 stops Panama City Tocumen Intl San Juan Luis Munoz Marin Intl
Multiple Airlines Logo
5:45 am - 10:18 amPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
$564Multiple Airlines
Tue, Dec 22 - Tue, Jan 5
Frontier Logo
5:14 pm - 7:58 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 44mnonstop
Frontier Logo
5:45 am - 10:18 amPHL  Philadelphia-STI Santiago de los Caballeros
3h 33mnonstop
$565Frontier
Tue, Feb 2 - Sat, Feb 27
American Airlines Logo
7:18 am - 9:41 amSTI  Santiago de los Caballeros-PHL Philadelphia
51h 23m1 stop Miami
American Airlines Logo
9:00 am - 1:47 pmPHL  Philadelphia-STI Santiago de los Caballeros
3h 47mnonstop
$589American Airlines
Tue, Jan 19 - Fri, Jan 22
Multiple Airlines Logo
1:19 pm - 4:03 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 44mnonstop
Multiple Airlines Logo
9:23 pm - 2:53 pmPHL  Philadelphia-STI Santiago de los Caballeros
16h 30m2 stops San Juan Luis Munoz Marin Intl Panama City Tocumen Intl
$601Multiple Airlines
Tue, Dec 22 - Tue, Jan 12
Multiple Airlines Logo
5:14 pm - 7:58 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 44mnonstop
Multiple Airlines Logo
7:00 am - 8:26 pmPHL  Philadelphia-STI Santiago de los Caballeros
12h 26m1 stop San Juan Luis Munoz Marin Intl
$602Multiple Airlines
Tue, Dec 15 - Sat, Jan 9
American Airlines Logo
5:31 pm - 8:27 pmSTI  Santiago de los Caballeros-PHL Philadelphia
3h 56mnonstop
American Airlines Logo
5:00 pm - 9:29 pmPHL  Philadelphia-STI Santiago de los Caballeros
51h 29m1 stop Miami
$606American Airlines
Fri, Dec 18 - Fri, Jan 8
JetBlue Logo
6:01 am - 5:17 pmSTI  Santiago de los Caballeros-PHL Philadelphia
12h 16m1 stop Fort Lauderdale
JetBlue Logo
3:38 pm - 3:00 amPHL  Philadelphia-STI Santiago de los Caballeros
10h 22m1 stop Boston Logan Intl
$665JetBlue
Fri, Dec 18 - Fri, Jan 8
JetBlue Logo
6:01 am - 5:17 pmSTI  Santiago de los Caballeros-PHL Philadelphia
12h 16m1 stop Fort Lauderdale
JetBlue Logo
3:38 pm - 3:00 amPHL  Philadelphia-STI Santiago de los Caballeros
10h 22m1 stop Boston Logan Intl
$666JetBlue
Booking Insights

Price, demand and travel trends for Santiago de los Caballeros to Philadelphia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Santiago de los Caballeros to Philadelphia?

Round-trip flights from Santiago de los Caballeros to Philadelphia typically range from $486 to $644. The lowest price found in the past 5 days was $522, on Frontier.

What's the cheapest day of the week to fly from Santiago de los Caballeros to Philadelphia?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Santiago de los Caballeros to Philadelphia. It’s 4% cheaper than the average day, while Sunday is the most expensive, with prices 27% higher.

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

•January is the cheapest month to fly from Santiago de los Caballeros to Philadelphia at $378 round-trip.
•September ($733) and May ($688) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 93% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Santiago de los Caballeros to Philadelphia the cheapest?

Flights from Santiago de los Caballeros to Philadelphia are cheapest 10 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Santiago de los Caballeros to Philadelphia flights

Low season

February

Cheapest flight

$312
Beat the crowds with an average 64% drop in travelers.
The most popular month to fly with an average 111% increase in travelers.
One-way flight from Santiago de los Caballeros to Philadelphia

When to book flights from Santiago de los Caballeros to Philadelphia

Are your dates flexible? Find out the best times to travel from Santiago de los Caballeros to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Santiago de los Caballeros to Philadelphia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Santiago de los Caballeros to Philadelphia?

    These are the earliest and latest flight times available from Santiago de los Caballeros to Philadelphia:

    • Earliest: departs at 11:33 am and lands at 3:26 pm
    • Latest: departs at 5:38 pm and lands at 9:31 pm.

    The flight takes about 3h 53m.

  • What cabin classes can I book on flights from Santiago de los Caballeros to Philadelphia?

    Two cabin classes are available on flights from Santiago de los Caballeros to Philadelphia:

    • Economy Class
    • Business Class

  • How long is a flight from Santiago de los Caballeros to Philadelphia?

    A nonstop flight from Santiago de los Caballeros to Philadelphia takes 3h 53m, covering 1,440 miles.

  • Do I need a passport to fly from Santiago de los Caballeros to Philadelphia?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Santiago de los Caballeros to Philadelphia flight?

    Round-trip flights from Santiago de los Caballeros to Philadelphia range from $486 to $644, with an average of $530 over the past 12 months. Anything below $486 counts as a good deal.

  • How expensive are last-minute Santiago de los Caballeros to Philadelphia flights?

    Last-minute fares on this route (booked within two weeks of departure) run 34% above the $530 route average. Book 10 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Santiago de los Caballeros to Philadelphia?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $484 round-trip via Fort Lauderdale (FLL), compared to $520 for nonstop.

  • What is the standard checked-bag allowance on flights from Santiago de los Caballeros to Philadelphia?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $55–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Santiago de los Caballeros to Philadelphia?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by American Airlines and JetBlue. Other aircraft seen on the route include Airbus A321neo variants.

  • Have flight prices from Santiago de los Caballeros to Philadelphia changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $522 to $4,782. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on Santiago de los Caballeros to Philadelphia flights?

    American Airlines is the only airline on the Santiago de los Caballeros to Philadelphia route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Santiago de los Caballeros to Philadelphia looking right now?

    One-way fares from Santiago de los Caballeros to Philadelphia are currently higher than usual. Average one-way flight prices are about $354, which is 12% above the typical average for this route.

  • What car rental options are available at Philadelphia Airport (PHL)?

    Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates averaging $69 for economy cars. Top options include:

    • Payless
    • Dollar
    • Hertz
    • Thrifty
    • Alamo

  • Which airports can I use when flying from Santiago de los Caballeros to Philadelphia?

    Flights from Santiago de los Caballeros to Philadelphia usually depart from Santiago de los Caballeros (STI) and arrive at Philadelphia (PHL).

  • Which airports do connecting flights from Santiago de los Caballeros to Philadelphia pass through?

    One-stop flights from Santiago de los Caballeros to Philadelphia most commonly connect through:

    • Fort Lauderdale (FLL) - 71% of one-stop connections
    • Miami (MIA) - 24% of one-stop connections
    • Boston Logan Intl (BOS) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Santiago de los Caballeros to Philadelphia?

    Yes. Flexible dates can save you up to 25% on flights from Santiago de los Caballeros to Philadelphia. Tuesday is the cheapest departure day at $509 round-trip on average, while Sunday is the most expensive at $675, a difference of $166.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Santiago de los Caballeros to Philadelphia?

    2 airlines operate flights between Santiago de los Caballeros and Philadelphia. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Frontier

  • How much time can I save by choosing a different layover airport from Santiago de los Caballeros to Philadelphia?

    Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 8h 23m, compared with 8h 49m via Fort Lauderdale (FLL) and 10h 10m via Boston Logan Intl (BOS).

  • What is the time difference between Santiago de los Caballeros and Philadelphia?

    Philadelphia is 1 hour behind Santiago de los Caballeros (Eastern Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Philadelphia?

    Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Santiago de los Caballeros to Philadelphia flights?

    Among airlines operating Santiago de los Caballeros to Philadelphia flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • Frontier: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Santiago de los Caballeros to Philadelphia flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Frontier: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Santiago de los Caballeros to Philadelphia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $509, about $166 less than Sunday fares (25% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Santiago de los Caballeros to Philadelphia trip for January. Fares historically average $378 round-trip in that month - typically $355 less than the most expensive month, which is September (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $484 round-trip on this route - about $37 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Philadelphia Airport.

    • Sonesta Select Philadelphia Airport
    • Microtel Inn & Suites by Wyndham Philadelphia Airport
    • Delta Hotels by Marriott Philadelphia Airport

Prefer to fly direct from Santiago de los Caballeros to Philadelphia?

 
Find which airlines fly direct from Santiago de los Caballeros Airport to Philadelphia Airport, which days they fly and book direct flights.

Direct departures

Santiago de los Caballeros to Philadelphia

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Thursday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more direct flights

Direct returns

Philadelphia to Santiago de los Caballeros

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Thursday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more direct flights

More options for your flight from Santiago de los Caballeros to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental