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Cheap flights from Ontario to Santiago de los Caballeros from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Santiago de los Caballeros departing on 5/2. 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 Ontario to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:00 pm - 1:47 pm
ONT
-
STI
12h 47m
1 stop
JetBlue Logo
10:45 am - 8:45 pm
STI
-
ONT
13h 00m
1 stop
$563JetBlue
Sat, May 23 - Sat, May 30
JetBlue Logo
10:00 pm - 1:47 pm
ONT
-
STI
12h 47m
1 stop
JetBlue Logo
6:01 am - 8:45 pm
STI
-
ONT
17h 44m
1 stop
$589JetBlue
Sat, May 23 - Mon, Jun 1
United Airlines Logo
1:30 pm - 12:57 pm
ONT
-
STI
20h 27m
2 stops
United Airlines Logo
2:07 pm - 12:38 pm
STI
-
ONT
25h 31m
2 stops
$591United Airlines
Mon, May 4 - Fri, May 8
American Airlines Logo
2:08 pm - 12:23 pm
ONT
-
STI
19h 15m
2 stops
American Airlines Logo
7:03 am - 9:57 pm
STI
-
ONT
17h 54m
2 stops
$597American Airlines
Fri, May 15 - Fri, May 22
JetBlue Logo
10:56 pm - 2:18 pm
ONT
-
STI
12h 22m
1 stop
JetBlue Logo
1:12 pm - 9:29 pm
STI
-
ONT
11h 17m
1 stop
$600JetBlue
Thu, Sep 10 - Wed, Sep 23
United Airlines Logo
6:59 pm - 12:57 pm
ONT
-
STI
14h 58m
2 stops
United Airlines Logo
2:07 pm - 6:01 pm
STI
-
ONT
30h 54m
2 stops
$631United Airlines
Mon, May 4 - Fri, May 8
American Airlines Logo
11:59 pm - 9:13 pm
ONT
-
STI
18h 14m
2 stops
American Airlines Logo
7:03 am - 10:38 pm
STI
-
ONT
18h 35m
2 stops
$635American Airlines
Sun, May 24 - Mon, Jun 1
United Airlines Logo
6:49 pm - 3:12 pm
ONT
-
STI
17h 23m
2 stops
United Airlines Logo
6:00 am - 10:31 pm
STI
-
ONT
19h 31m
2 stops
$637United Airlines
Wed, Apr 15 - Sat, Apr 25
American Airlines Logo
4:52 pm - 12:23 pm
ONT
-
STI
16h 31m
2 stops
American Airlines Logo
1:32 pm - 10:09 am
STI
-
ONT
23h 37m
2 stops
$639American Airlines
Tue, Apr 7 - Tue, Apr 14
JetBlue Logo
10:00 pm - 1:47 pm
ONT
-
STI
12h 47m
1 stop
JetBlue Logo
8:14 am - 8:45 pm
STI
-
ONT
15h 31m
1 stop
$686JetBlue
Sun, May 24 - Sun, May 31

JetBlue flights from Ontario to Santiago de los Caballeros

Our best JetBlue deals on Ontario to Santiago de los Caballeros flight tickets
JetBlue
May 23
ONT10:00 pmOntario
12h 47m
1 stop
STI1:47 pmSantiago de los Caballeros
May 30
STI10:45 amSantiago de los Caballeros
13h 00m
1 stop
ONT8:45 pmOntario
$563
JetBlue
May 23
ONT10:00 pmOntario
12h 47m
1 stop
STI1:47 pmSantiago de los Caballeros
Jun 1
STI6:01 amSantiago de los Caballeros
17h 44m
1 stop
ONT8:45 pmOntario
$589
JetBlue
Sep 10
ONT10:56 pmOntario
12h 22m
1 stop
STI2:18 pmSantiago de los Caballeros
Sep 23
STI1:12 pmSantiago de los Caballeros
11h 17m
1 stop
ONT9:29 pmOntario
$600

United Airlines flights from Ontario to Santiago de los Caballeros

Our best United Airlines deals on Ontario to Santiago de los Caballeros flight tickets
United Airlines
May 4
ONT1:30 pmOntario
20h 27m
2 stops
STI12:57 pmSantiago de los Caballeros
May 8
STI2:07 pmSantiago de los Caballeros
25h 31m
2 stops
ONT12:38 pmOntario
$591
United Airlines
May 4
ONT6:59 pmOntario
14h 58m
2 stops
STI12:57 pmSantiago de los Caballeros
May 8
STI2:07 pmSantiago de los Caballeros
30h 54m
2 stops
ONT6:01 pmOntario
$631
United Airlines
Apr 15
ONT6:49 pmOntario
17h 23m
2 stops
STI3:12 pmSantiago de los Caballeros
Apr 25
STI6:00 amSantiago de los Caballeros
19h 31m
2 stops
ONT10:31 pmOntario
$637

momondo Fare Finder

 
Customize your flight search to find flights from Ontario 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 March 22, 2026.
Use the filters below to find and compare flights from Ontario to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sat 5/23

10:00 pm-1:47 pm

1 stop12h 47m

Santiago de los Caballeros

Sat 5/30

10:45 am-8:45 pm

1 stop13h 00m

$563

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sat 5/23

10:00 pm-1:47 pm

1 stop12h 47m

Santiago de los Caballeros

Mon 6/1

6:01 am-8:45 pm

1 stop17h 44m

$589

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Mon 5/4

1:30 pm-12:57 pm

2 stops20h 27m

Santiago de los Caballeros

Fri 5/8

2:07 pm-12:38 pm

2 stops25h 31m

$591

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Fri 5/15

2:08 pm-12:23 pm

2 stops19h 15m

Santiago de los Caballeros

Fri 5/22

7:03 am-9:57 pm

2 stops17h 54m

$597
Quickest round-trip

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Thu 9/10

10:56 pm-2:18 pm

1 stop12h 22m

Santiago de los Caballeros

Wed 9/23

1:12 pm-9:29 pm

1 stop11h 17m

$600

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Mon 5/4

6:59 pm-12:57 pm

2 stops14h 58m

Santiago de los Caballeros

Fri 5/8

2:07 pm-6:01 pm

2 stops30h 54m

$631

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sun 5/24

11:59 pm-9:13 pm

2 stops18h 14m

Santiago de los Caballeros

Mon 6/1

7:03 am-10:38 pm

2 stops18h 35m

$635

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Wed 4/15

6:49 pm-3:12 pm

2 stops17h 23m

Santiago de los Caballeros

Sat 4/25

6:00 am-10:31 pm

2 stops19h 31m

$637

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Tue 4/7

4:52 pm-12:23 pm

2 stops16h 31m

Santiago de los Caballeros

Tue 4/14

1:32 pm-10:09 am

2 stops23h 37m

$639

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sun 5/24

10:00 pm-1:47 pm

1 stop12h 47m

Santiago de los Caballeros

Sun 5/31

8:14 am-8:45 pm

1 stop15h 31m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Ontario 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

Can stopping save me money on Ontario to Santiago de los Caballeros flights?

You could potentially save up to 7% on your flight if you consider stops on a Ontario to Santiago de los Caballeros flight.

When to book flights from Ontario to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario 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 Ontario to Santiago de los Caballeros (ONT to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Santiago de los Caballeros

Fastest flight time

12h 22m

Direct flights

None
The fastest flight from Ontario to Santiago de los Caballeros takes 12h 22m
There are no direct flights from Ontario to Santiago de los Caballeros. There are no popular flight routes from Ontario to Santiago de los Caballeros.
Search flight deals

  • How far is Ontario to Santiago de los Caballeros by plane?

    A flight from Ontario to Santiago de los Caballeros will travel around 3035.8 mi. Typically, this will take 12h 22m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Santiago de los Caballeros Airport?

    Prices for flights from Ontario Airport to Santiago de los Caballeros Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Santiago de los Caballeros Airport.

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

    The necessary travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Santiago de los Caballeros from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santiago de los Caballeros quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Santiago de los Caballeros from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ontario 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 Ontario to Santiago de los Caballeros right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Santiago de los Caballeros, momondo offers a useful price alert feature which will track prices for flights to Santiago de los Caballeros from Ontario and alert you when they change.

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