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$406+ Cheap flights from Santiago de los Caballeros (STI) to Ontario (ONT)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
STI — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Find flight deals from Santiago de los Caballeros to Ontario

One-way flights from Santiago de los Caballeros to Ontario
Search for one-way flight options from Santiago de los Caballeros to Ontario. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 9/206:00 amSTI - ONT
2 stops17h 43mUnited Airlines
Deal found 9/10$406
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/192:07 pmSTI - ONT
2 stops25h 25mUnited Airlines
Deal found 9/10$460
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:15 amSTI - ONT
1 stop19h 14mJetBlue
Deal found 9/10$503
This JetBlue deal was found by Cheapflights users on 9/10. 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 9/199:55 amSTI - ONT
1 stop14h 34mJetBlue
Deal found 9/10$536
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:15 amSTI - ONT
1 stop19h 14mJetBlue
Deal found 9/10$547
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 9/216:00 amSTI - ONT
2 stops17h 43mUnited Airlines
Deal found 9/10$624

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Ontario 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 September 11, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Ontario that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Ontario

Route

Depart

Return

Price

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Sat 9/20

6:00 am-8:43 pm

2 stops17h 43m

$406

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Fri 9/19

2:07 pm-12:32 pm

2 stops25h 25m

$460

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Sat 9/20

5:15 am-9:29 pm

1 stop19h 14m

$503

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Fri 9/19

9:55 am-9:29 pm

1 stop14h 34m

$536

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Sun 9/21

5:15 am-9:29 pm

1 stop19h 14m

$547

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Sun 9/21

6:00 am-8:43 pm

2 stops17h 43m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

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

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

Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Ontario (average of $246). Flying from Santiago de los Caballeros to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de los Caballeros to Ontario.

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

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

    Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Ontario (average of $246). Flying from Santiago de los Caballeros to Ontario in March is currently the most expensive (average of $328). 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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