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Santiago de los Caballeros

$273+ Cheap flights from Phoenix 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STI
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap flight deals from Phoenix to Santiago de los Caballeros

Cheapest flights from Phoenix to Santiago de los Caballeros
Explore the most affordable flight options available from Phoenix to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 7, 2025.

This American Airlines deal was found by Cheapflights users on 12/5. 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.
Tue 12/96:24 pmPHX - STI
2 stops18h 08mAmerican Airlines
Thu 12/114:32 pmSTI - PHX
1 stop9h 14mAmerican Airlines
Deal found 12/5$670
This American Airlines deal was found by Cheapflights users on 12/5. 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.
Thu 12/1112:30 amPHX - STI
2 stops12h 02mAmerican Airlines
Sat 12/206:00 amSTI - PHX
1 stop17h 51mAmerican Airlines
Deal found 12/5$680
This American Airlines deal was found by Cheapflights users on 12/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 pmPHX - STI
1 stop17h 54mAmerican Airlines
Thu 1/224:33 pmSTI - PHX
1 stop11h 22mAmerican Airlines
Deal found 12/6$685
This JetBlue deal was found by Cheapflights users on 12/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:19 amPHX - STI
1 stop9h 08mJetBlue
Sat 12/2011:36 amSTI - PHX
1 stop14h 13mJetBlue
Deal found 12/5$691

Find flight deals from Phoenix to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 December 7, 2025.

Round-trip from

$404
(American Airlines)

One-way from

$273
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$728
From Phoenix to Santiago de los Caballeros
Search Deals
One-way flight from Phoenix to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 December 7, 2025.
Use the filters below to find and compare flights from Phoenix to Santiago de los Caballeros that are best for you.

Fly from

Phoenix

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Mon 1/19

11:59 pm-3:32 pm

1 stop12h 33m

Santiago de los Caballeros

Mon 1/26

4:33 pm-12:55 am

1 stop11h 22m

$404

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Sat 1/17

6:15 am-12:50 am

1 stop15h 35m

Santiago de los Caballeros

Sat 1/31

6:38 am-10:40 pm

1 stop19h 02m

$404

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 2/5

6:15 am-8:34 pm

1 stop11h 19m

Santiago de los Caballeros

Tue 2/10

6:38 am-10:40 pm

1 stop19h 02m

$404

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 2/5

8:35 pm-3:32 pm

2 stops15h 57m

Santiago de los Caballeros

Tue 2/10

6:00 am-6:20 pm

2 stops15h 20m

$408

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 3/25

5:00 am-8:29 pm

2 stops12h 29m

Santiago de los Caballeros

Fri 4/3

7:00 am-10:02 pm

1 stop18h 02m

$408

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 1/14

7:15 am-12:50 am

2 stops14h 35m

Santiago de los Caballeros

Wed 2/4

6:38 am-11:15 pm

2 stops19h 37m

$474

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Tue 12/16

7:43 pm-2:42 am

3 stops27h 59m

$273

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Mon 12/15

10:36 pm-2:42 am

3 stops49h 06m

$300

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Sat 12/27

12:59 am-2:42 am

3 stops46h 43m

$315

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Sun 12/28

10:55 pm-5:27 pm

1 stop15h 32m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 13 results
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Best time to book a flight from Phoenix to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Phoenix 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 Phoenix to Santiago de los Caballeros

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

Currently, January is the cheapest month in which you can book a flight from Phoenix to Santiago de los Caballeros (average of $276). Flying from Phoenix to Santiago de los Caballeros in December is currently the most expensive (average of $538). 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 PHX to STI?

Find hourly flight availability from Phoenix 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 December 7, 2025.

When flying from Phoenix 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 19% versus a flight in the afternoon.

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 December 7, 2025.
Read through reviews of airlines operating flights from Phoenix to Santiago de los Caballeros, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,046 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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 airport do you fly into for flights to Santiago de los Caballeros from Phoenix?

    If you book a flight to Santiago de los Caballeros from Phoenix, you will be flying to Santiago, which is the city’s only airport. Santiago de los Caballeros (STI) is located 6.8 mi from the center of Santiago de los Caballeros. There are 0 flights from Phoenix to Santiago per day from 2 different airlines.

  • How long is the flight from Phoenix to Santiago de los Caballeros?

    Departing from Phoenix to Santiago de los Caballeros will take you 12h 33m. Airlines will cover a distance of 2715 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on American Airlines is currently your cheapest option to Santiago de los Caballeros, with prices starting at $448. Another option worth looking into is Delta, starting at $477 round trip. These flights start at 30% lower than the current average price 3 months from now.

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

    Yes. In addition to deals on Phoenix to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix 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 Phoenix to Santiago de los Caballeros.

  • Can I find deals for business class flights from Phoenix to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Phoenix 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 Phoenix to Santiago de los Caballeros?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Santiago de los Caballeros (average of $276). Flying from Phoenix to Santiago de los Caballeros in December is currently the most expensive (average of $538). 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 2 airlines flying from Phoenix to Santiago de los Caballeros

Discover the top 2 airlines that operate flights from Phoenix 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$448Average$640FlexibilityNo cancel feeOn-time71%
DeltaCheapest$477Average$722FlexibilityNo cancel feeOn-timeN/A

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