Santiago de los Caballeros

$236+ Cheap flights from Ontario (ONT) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STI
Jul 5 — Jul 121
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Cheap flight deals from Ontario to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 June 30, 2025.

Round-trip from

$495
(JetBlue)

One-way from

$236
(JetBlue)

Popular in

December

Cheapest in

September

Average price

$605
From Ontario to Santiago de los Caballeros
One-way flight from Ontario to Santiago de los Caballeros
Highest demand for flights based on searches. 23% potential increase in price ($185 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Ontario to Santiago de los Caballeros

Cheapest flights from Ontario to Santiago de los Caballeros
Explore the most affordable flight options available from Ontario to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This JetBlue deal was found by Cheapflights users on 6/28. 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.
Tue 9/1610:56 pmONT - STI
1 stop12h 17mJetBlue
Fri 9/2612:48 pmSTI - ONT
1 stop11h 41mJetBlue
Deal found 6/28$495
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 11/71:00 pmONT - STI
2 stops18h 46mUnited Airlines
Sat 11/156:00 amSTI - ONT
3 stops20h 45mUnited Airlines
Deal found 6/30$599

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from Ontario to Santiago de los Caballeros that are best for you.

Fly from

Ontario

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Tue 9/16

10:56 pm-2:13 pm

1 stop12h 17m

Santiago de los Caballeros

Fri 9/26

12:48 pm-9:29 pm

1 stop11h 41m

$495

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sat 9/20

8:15 am-12:27 pm

2 stops25h 12m

Santiago de los Caballeros

Sat 10/4

1:29 pm-10:05 am

2 stops23h 36m

$499

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Fri 11/7

1:00 pm-11:46 am

2 stops18h 46m

Santiago de los Caballeros

Sat 11/15

6:00 am-10:45 pm

3 stops20h 45m

$599

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Tue 8/12

11:59 pm-7:34 pm

1 stop16h 35m

$236

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Mon 8/11

6:10 am-8:48 pm

2 stops11h 38m

$274

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Fri 8/15

6:39 pm-12:57 pm

2 stops15h 18m

$321

OntarioSantiago de los Caballeros

ONT - STI

ONTSTI

Ontario

Sat 7/5

7:05 am-12:42 am

2 stops14h 37m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Ontario to Santiago de los Caballeros

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

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Santiago de los Caballeros (average of $347). Flying from Ontario to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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.

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 June 30, 2025.
Read through reviews of airlines operating flights from Ontario to Santiago de los Caballeros, such as Delta, United Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 are the cheapest airlines to fly from Ontario to Santiago de los Caballeros one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $236. Users have also found prices from $274 and $321 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Ontario to Santiago de los Caballeros (average of $347). Flying from Ontario to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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.

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