$394+ Cheap flights from Ontario (ONT) to Santiago de los Caballeros (STI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STI
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Santiago de los Caballeros with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Santiago de los Caballeros
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Best
Last-minute
One-way
Cheapest flights from Ontario to Santiago de los CaballerosExplore 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 October 15, 2026.
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 October 15, 2026.
This American Airlines deal was found by Cheapflights users on 10/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:20 am -
2 stops24h 12m
Thu 12/35:02 pm -
2 stops24h 22m
Deal found 10/10![American Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/147:00 am -
2 stops24h 49m
Fri 11/206:00 am -
2 stops19h 40m
Deal found 10/12![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/144:17 pm -
2 stops15h 32m
Thu 11/196:00 am -
2 stops16h 47m
Deal found 10/15![United Airlines logo]()
$915
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/166:37 pm -
2 stops16h 16m
Thu 11/196:00 am -
2 stops18h 15m
Deal found 10/12![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 11/185:00 am -
2 stops14h 51m
Thu 11/266:00 am -
2 stops17h 42m
Deal found 10/13![United Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/85:00 am -
2 stops26h 49m
Sun 11/1512:55 pm -
2 stops27h 38m
Deal found 10/13![United Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/86:00 am -
2 stops13h 51m
Sat 11/146:00 am -
2 stops18h 15m
Deal found 10/14![United Airlines logo]()
$1,035
This United Airlines deal was found by Cheapflights users on 10/10. 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 12/57:00 am -
2 stops12h 51m
Fri 1/86:00 am -
2 stops16h 50m
Deal found 10/10![United Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Wed 11/187:00 am -
2 stops24h 49m
Tue 1/54:00 pm -
2 stops30h 50m
Deal found 10/10![United Airlines logo]()
$1,280
This American Airlines deal was found by Cheapflights users on 10/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1911:59 pm -
2 stops18h 03m
Wed 12/306:00 am -
2 stops20h 22m
Deal found 10/10![American Airlines logo]()
$1,300
Best flights from Ontario to Santiago de los CaballerosDiscover carefully curated flight deals from Ontario to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Ontario to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/147:00 am -
2 stops24h 49m
Fri 11/206:00 am -
2 stops19h 40m
Deal found 10/12![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/144:17 pm -
2 stops15h 32m
Thu 11/196:00 am -
2 stops16h 47m
Deal found 10/15![United Airlines logo]()
$915
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/166:37 pm -
2 stops16h 16m
Thu 11/196:00 am -
2 stops18h 15m
Deal found 10/13![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 11/185:00 am -
2 stops14h 51m
Thu 11/266:00 am -
2 stops17h 42m
Deal found 10/13![United Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/85:00 am -
2 stops26h 49m
Sun 11/1512:55 pm -
2 stops27h 38m
Deal found 10/13![United Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 10/12. 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 4/91:00 pm -
2 stops20h 57m
Mon 4/194:23 pm -
2 stops28h 24m
Deal found 10/12![United Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Mon 11/96:37 pm -
2 stops16h 16m
Sun 11/154:00 pm -
2 stops24h 33m
Deal found 10/10![United Airlines logo]()
$1,066
Last-minute flights from Ontario to Santiago de los CaballerosDiscover last-minute flight deals from Ontario to Santiago de los Caballeros. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Santiago de los Caballeros. Data last updated October 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/85:00 am -
2 stops26h 49m
Sun 11/1512:55 pm -
2 stops27h 38m
Deal found 10/13![United Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/86:00 am -
2 stops13h 51m
Sat 11/146:00 am -
2 stops18h 15m
Deal found 10/14![United Airlines logo]()
$1,035
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/147:00 am -
2 stops24h 49m
Fri 11/206:00 am -
2 stops19h 40m
Deal found 10/12![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/144:17 pm -
2 stops15h 32m
Thu 11/196:00 am -
2 stops16h 47m
Deal found 10/15![United Airlines logo]()
$915
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/166:37 pm -
2 stops16h 16m
Thu 11/196:00 am -
2 stops18h 15m
Deal found 10/12![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 11/185:00 am -
2 stops14h 51m
Thu 11/266:00 am -
2 stops17h 42m
Deal found 10/13![United Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Wed 11/187:00 am -
2 stops24h 49m
Tue 1/54:00 pm -
2 stops30h 50m
Deal found 10/10![United Airlines logo]()
$1,280
This American Airlines deal was found by Cheapflights users on 10/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:20 am -
2 stops24h 12m
Thu 12/35:02 pm -
2 stops24h 22m
Deal found 10/10![American Airlines logo]()
$885
One-way flights from Ontario to Santiago de los CaballerosSearch for one-way flight options from Ontario to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Ontario to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 11/185:00 am -
2 stops14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/145:00 am -
2 stops14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/205:00 am -
2 stops38h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/187:45 pm -
3 stops13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$1,498
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/227:45 pm -
3 stops13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$1,559
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/207:45 pm -
3 stops13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$1,836
Find 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 October 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $885 (American Airlines) |
One-way from | $394 (United Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $595 |
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 7,457,451 searches. Data last updated October 15, 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
Cheapest round-trip
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Wed 11/18
5:00 am-11:51 pm
2 stops14h 51m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$394
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 11/22
1:29 pm-2:53 pm
2 stops21h 24m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$394
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sat 11/14
5:00 am-11:51 pm
2 stops14h 51m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$459
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 11/15
5:00 am-11:51 pm
2 stops14h 51m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$459
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sat 11/14
7:00 am-11:49 am
2 stops24h 49m
Santiago de los Caballeros
Fri 11/20
6:00 am-9:40 pm
2 stops19h 40m
$895
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sat 11/14
4:17 pm-11:49 am
2 stops15h 32m
Santiago de los Caballeros
Thu 11/19
6:00 am-6:47 pm
2 stops16h 47m
$915
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Mon 11/16
6:37 pm-2:53 pm
2 stops16h 16m
Santiago de los Caballeros
Thu 11/19
6:00 am-8:15 pm
2 stops18h 15m
$957
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Wed 11/18
5:00 am-11:51 pm
2 stops14h 51m
Santiago de los Caballeros
Thu 11/26
6:00 am-7:42 pm
2 stops17h 42m
$974
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 11/8
5:00 am-11:49 am
2 stops26h 49m
Santiago de los Caballeros
Sun 11/15
12:55 pm-12:33 pm
2 stops27h 38m
$1,015
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Fri 4/9
1:00 pm-12:57 pm
2 stops20h 57m
Santiago de los Caballeros
Mon 4/19
4:23 pm-5:47 pm
2 stops28h 24m
$1,015
Showing 1-10 of 13 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Ontario-Santiago de los Caballeros flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Santiago de los Caballeros flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Santiago de los Caballeros flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Santiago de los Caballeros flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
ONT-STI
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.
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.
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