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Santiago de los Caballeros

$278+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — STI
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$418
(FlightHub)

One-way from

$278
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$594
From Phoenix to Santiago de los Caballeros
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One-way flight from Phoenix to Santiago de los Caballeros
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:53 amPHX - STI
1 stop20h 15mSpirit Airlines
Sun 10/2612:13 pmSTI - PHX
1 stop25h 35mSpirit Airlines
Deal found 8/19$418
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:29 pmPHX - STI
2 stops38h 39mMultiple Airlines
Sun 10/2612:13 pmSTI - PHX
1 stop25h 35mMultiple Airlines
Deal found 8/19$464
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:01 pmPHX - STI
1 stop20h 02mMultiple Airlines
Tue 9/3012:10 pmSTI - PHX
2 stops37h 11mMultiple Airlines
Deal found 8/18$476
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amPHX - STI
1 stop10h 11mDelta
Fri 10/108:31 pmSTI - PHX
2 stops18h 44mDelta
Deal found 8/18$477
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 10/175:30 pmPHX - STI
2 stops15h 43mAmerican Airlines
Sun 10/261:14 pmSTI - PHX
2 stops21h 20mAmerican Airlines
Deal found 8/19$482
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:12 pmPHX - STI
1 stop13h 08mJetBlue
Tue 9/305:15 amSTI - PHX
1 stop19h 46mJetBlue
Deal found 8/18$528
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:59 pmPHX - STI
1 stop13h 14mJetBlue
Sat 10/253:43 amSTI - PHX
1 stop32h 58mJetBlue
Deal found 8/19$529
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/2511:40 pmPHX - STI
1 stop9h 47mAmerican Airlines
Tue 9/301:29 pmSTI - PHX
1 stop11h 29mAmerican Airlines
Deal found 8/18$534
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 12/105:00 amPHX - STI
2 stops13h 55mAmerican Airlines
Wed 12/177:00 amSTI - PHX
2 stops13h 09mAmerican Airlines
Deal found 8/18$541
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:45 pmPHX - STI
2 stops15h 12mUnited Airlines
Tue 9/306:00 amSTI - PHX
2 stops19h 00mUnited Airlines
Deal found 8/18$587
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:33 amPHX - STI
2 stops21h 13mUnited Airlines
Wed 12/176:00 amSTI - PHX
2 stops19h 57mUnited Airlines
Deal found 8/20$590

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 August 20, 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

Fri 10/17

11:53 am-11:08 am

1 stop20h 15m

Santiago de los Caballeros

Sun 10/26

12:13 pm-10:48 am

1 stop25h 35m

$418

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Fri 10/17

5:29 pm-11:08 am

2 stops38h 39m

Santiago de los Caballeros

Sun 10/26

12:13 pm-10:48 am

1 stop25h 35m

$464

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 9/25

12:01 pm-11:03 am

1 stop20h 02m

Santiago de los Caballeros

Tue 9/30

12:10 pm-10:21 pm

2 stops37h 11m

$476

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 9/25

6:05 am-12:34 am

2 stops15h 29m

Santiago de los Caballeros

Tue 9/30

6:11 am-10:41 pm

2 stops19h 30m

$477

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Tue 9/30

6:00 am-7:11 pm

1 stop10h 11m

Santiago de los Caballeros

Fri 10/10

8:31 pm-12:15 pm

2 stops18h 44m

$477

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Fri 10/17

5:30 pm-12:13 pm

2 stops15h 43m

Santiago de los Caballeros

Sun 10/26

1:14 pm-7:34 am

2 stops21h 20m

$482

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 9/25

10:12 pm-2:20 pm

1 stop13h 08m

Santiago de los Caballeros

Tue 9/30

5:15 am-10:01 pm

1 stop19h 46m

$528

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Fri 10/17

9:59 pm-2:13 pm

1 stop13h 14m

Santiago de los Caballeros

Sat 10/25

3:43 am-9:41 am

1 stop32h 58m

$529

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 9/25

11:40 pm-12:27 pm

1 stop9h 47m

Santiago de los Caballeros

Tue 9/30

1:29 pm-9:58 pm

1 stop11h 29m

$534

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 12/10

5:00 am-9:55 pm

2 stops13h 55m

Santiago de los Caballeros

Wed 12/17

7:00 am-5:09 pm

2 stops13h 09m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 19 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, May is the cheapest month in which you can book a flight from Phoenix to Santiago de los Caballeros (average of $347). Flying from Phoenix to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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 August 20, 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 at noon, which can drop the price by up to 11% versus a flight in the morning.

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 August 20, 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
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 15h 29m. 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 Delta is currently your cheapest option to Santiago de los Caballeros, with prices starting at $477. Another option worth looking into is American Airlines, starting at $514 round trip. These flights start at 32% 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, May is the cheapest month in which you can book a flight from Phoenix to Santiago de los Caballeros (average of $347). Flying from Phoenix to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$477Average$691FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$514Average$705FlexibilityNo cancel feeOn-time71%

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