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Cheap flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros from $427

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:05 pm - 9:01 amPHX-STI
6h 56m1 stop
JetBlue Logo
10:11 am - 10:49 pmSTI-PHX
15h 38m1 stop
$427JetBlue
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Thu, Feb 26 - Mon, Mar 2
JetBlue Logo
11:59 pm - 3:12 pmPHX-STI
12h 13m1 stop
JetBlue Logo
6:40 am - 3:41 pmSTI-PHX
12h 01m1 stop
$452JetBlue
Find Deal
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
8:35 pm - 1:32 pmPHX-STI
13h 57m2 stops
American Airlines Logo
2:34 pm - 9:07 pmSTI-PHX
9h 33m1 stop
$456American Airlines
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Wed, Feb 18 - Tue, Feb 24
JetBlue Logo
9:40 pm - 11:07 amPHX-STI
10h 27m1 stop
JetBlue Logo
9:00 am - 9:45 pmSTI-PHX
15h 45m1 stop
$460JetBlue
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Wed, Mar 25 - Fri, Apr 3
American Airlines Logo
5:00 am - 8:03 pmPHX-STI
12h 03m2 stops
American Airlines Logo
7:00 am - 12:12 amSTI-PHX
20h 12m1 stop
$468American Airlines
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Wed, Mar 25 - Sat, Apr 4
United Airlines Logo
12:25 am - 2:53 pmPHX-STI
11h 28m1 stop
United Airlines Logo
6:00 am - 7:18 pmSTI-PHX
16h 18m2 stops
$490United Airlines
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Tue, Feb 17 - Tue, Feb 24
Delta Logo
6:15 am - 8:40 pmPHX-STI
11h 25m1 stop
Delta Logo
6:35 am - 10:15 pmSTI-PHX
18h 40m2 stops
$514Delta
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Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
12:25 am - 2:53 pmPHX-STI
11h 28m1 stop
United Airlines Logo
12:52 pm - 9:10 pmSTI-PHX
11h 18m1 stop
$531United Airlines
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Tue, Feb 17 - Tue, Feb 24
Delta Logo
6:15 am - 8:40 pmPHX-STI
11h 25m1 stop
Delta Logo
10:05 pm - 12:25 pmSTI-PHX
17h 20m2 stops
$569Delta
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Thu, Feb 26 - Mon, Mar 2
Spirit Airlines Logo
1:45 pm - 5:06 pmPHX-STI
24h 21m2 stops
Spirit Airlines Logo
6:18 pm - 12:09 pmSTI-PHX
20h 51m2 stops
$651Spirit Airlines
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Thu, Feb 26 - Mon, Mar 2

JetBlue flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Our best JetBlue deals on Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros flight tickets
JetBlue
Feb 26
PHX11:05 pmPhoenix Sky Harbor Intl
6h 56m
1 stop
STI9:01 amSantiago de los Caballeros
Mar 2
STI10:11 amSantiago de los Caballeros
15h 38m
1 stop
PHX10:49 pmPhoenix Sky Harbor Intl
$427
Find similar
JetBlue
Feb 18
PHX11:59 pmPhoenix Sky Harbor Intl
12h 13m
1 stop
STI3:12 pmSantiago de los Caballeros
Feb 25
STI6:40 amSantiago de los Caballeros
12h 01m
1 stop
PHX3:41 pmPhoenix Sky Harbor Intl
$452
Find similar
JetBlue
Mar 25
PHX9:40 pmPhoenix Sky Harbor Intl
10h 27m
1 stop
STI11:07 amSantiago de los Caballeros
Apr 3
STI9:00 amSantiago de los Caballeros
15h 45m
1 stop
PHX9:45 pmPhoenix Sky Harbor Intl
$460
Find similar

American Airlines flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros flight tickets
American Airlines
Feb 18
PHX8:35 pmPhoenix Sky Harbor Intl
13h 57m
2 stops
STI1:32 pmSantiago de los Caballeros
Feb 24
STI2:34 pmSantiago de los Caballeros
9h 33m
1 stop
PHX9:07 pmPhoenix Sky Harbor Intl
$456
Find similar
American Airlines
Mar 25
PHX5:00 amPhoenix Sky Harbor Intl
12h 03m
2 stops
STI8:03 pmSantiago de los Caballeros
Apr 4
STI7:00 amSantiago de los Caballeros
20h 12m
1 stop
PHX12:12 amPhoenix Sky Harbor Intl
$468
Find similar
American Airlines
Feb 17
PHX12:59 amPhoenix Sky Harbor Intl
9h 33m
2 stops
STI1:32 pmSantiago de los Caballeros
Feb 24
STI8:00 amSantiago de los Caballeros
15h 05m
2 stops
PHX8:05 pmPhoenix Sky Harbor Intl
$529
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 2/26

11:05 pm-9:01 am

1 stop6h 56m

Santiago de los Caballeros

Mon 3/2

10:11 am-10:49 pm

1 stop15h 38m

$427

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 2/18

11:59 pm-3:12 pm

1 stop12h 13m

Santiago de los Caballeros

Wed 2/25

6:40 am-3:41 pm

1 stop12h 01m

$452

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 2/18

8:35 pm-1:32 pm

2 stops13h 57m

Santiago de los Caballeros

Tue 2/24

2:34 pm-9:07 pm

1 stop9h 33m

$456

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 3/25

9:40 pm-11:07 am

1 stop10h 27m

Santiago de los Caballeros

Fri 4/3

9:00 am-9:45 pm

1 stop15h 45m

$460

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 3/25

5:00 am-8:03 pm

2 stops12h 03m

Santiago de los Caballeros

Sat 4/4

7:00 am-12:12 am

1 stop20h 12m

$468

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Tue 2/17

12:25 am-2:53 pm

1 stop11h 28m

Santiago de los Caballeros

Tue 2/24

6:00 am-7:18 pm

2 stops16h 18m

$490

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Wed 2/18

6:15 am-8:40 pm

1 stop11h 25m

Santiago de los Caballeros

Wed 2/25

6:35 am-10:15 pm

2 stops18h 40m

$514

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Tue 2/17

12:25 am-2:53 pm

1 stop11h 28m

Santiago de los Caballeros

Tue 2/24

12:52 pm-9:10 pm

1 stop11h 18m

$531

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 2/26

6:15 am-8:40 pm

1 stop11h 25m

Santiago de los Caballeros

Mon 3/2

10:05 pm-12:25 pm

2 stops17h 20m

$569

PhoenixSantiago de los Caballeros

PHX - STI

PHXSTI

Phoenix Sky Harbor Intl

Thu 2/26

1:45 pm-5:06 pm

2 stops24h 21m

Santiago de los Caballeros

Mon 3/2

6:18 pm-12:09 pm

2 stops20h 51m

$651

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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 cheapest month to fly to Santiago de los Caballeros?

The cheapest month to fly to Santiago de los Caballeros from Phoenix Sky Harbor Intl Airport is in January. Flight prices, which tend to average around $360, 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 October is also cheap. Prices for this month can be found on momondo for an average of $450.

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

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros is on a Sunday when prices can be found for as low as $505. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros for around $863.

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

Our data shows that the cheapest Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros flights are usually those with departure times in the evening. Our users have found flights to Santiago de los Caballeros in the evening for as low as $612. In the morning is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $685 per ticket.

What cabin class options are available on Phoenix Sky Harbor Intl to Santiago de los Caballeros flights?

There is only 1 cabin class available to choose from on Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros flights?

You could potentially save up to 15% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros flight.

When to book flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros (PHX to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Direct flights

None
There are no direct flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros.
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  • How far is Phoenix Sky Harbor Intl to Santiago de los Caballeros by plane?

    A flight from Phoenix Sky Harbor Intl to Santiago de los Caballeros will travel around 2708.5 mi. A reasonable flight in good conditions will take 6h 56m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros Airport refresh daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros Airport.

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

    The required travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago de los Caballeros Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $448Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
DeltaPriceFrom $477Free CancellationRating
7.9
8,001 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Santiago de los Caballeros. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Phoenix to Santiago de los Caballeros flights to just show those with flexible booking policies.

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

Once you have performed a search for Phoenix to Santiago de los Caballeros flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Santiago de los Caballeros from Phoenix are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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