$364+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 September 7, 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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/92:22 pm -
2 stops21h 46m
Wed 12/306:00 am -
2 stops19h 57m
Deal found 9/4![American Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/215:00 am -
2 stops14h 52m
Wed 10/285:00 am -
2 stops18h 51m
Deal found 9/6![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/161:35 pm -
2 stops21h 18m
Thu 11/196:00 am -
2 stops16h 47m
Deal found 9/6![United Airlines logo]()
$907
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/71:23 pm -
2 stops22h 45m
Wed 12/306:00 am -
2 stops19h 57m
Deal found 9/4![American Airlines logo]()
$937
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/611:59 pm -
2 stops36h 09m
Wed 12/306:00 am -
2 stops19h 57m
Deal found 9/4![American Airlines logo]()
$966
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/72:22 pm -
2 stops21h 46m
Thu 12/316:00 am -
2 stops16h 50m
Deal found 9/4![American Airlines logo]()
$1,000
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/96:00 am -
2 stops27h 25m
Thu 12/312:15 pm -
2 stops26h 25m
Deal found 9/4![American Airlines logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/271:24 pm -
2 stops20h 33m
Wed 9/306:00 am -
2 stops17h 58m
Deal found 9/3![United Airlines logo]()
$1,006
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/611:59 pm -
2 stops36h 09m
Thu 12/316:00 am -
2 stops16h 50m
Deal found 9/4![American Airlines logo]()
$1,029
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/711:59 pm -
2 stops12h 09m
Mon 12/285:08 pm -
2 stops29h 42m
Deal found 9/4![American Airlines logo]()
$1,038
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/71:23 pm -
2 stops22h 45m
Tue 12/296:00 am -
2 stops19h 57m
Deal found 9/4![American Airlines logo]()
$1,040
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 12/82:22 pm -
2 stops21h 46m
Sun 12/275:08 pm -
2 stops34h 51m
Deal found 9/4![American Airlines logo]()
$1,043
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 September 7, 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 September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/215:00 am -
2 stops14h 52m
Wed 10/285:00 am -
2 stops18h 51m
Deal found 9/6![United Airlines logo]()
$825
This Priceline deal was found by Cheapflights users on 9/3. 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 9/2710:39 pm -
1 stop12h 10m
Wed 9/3011:45 am -
1 stop12h 12m
Deal found 9/3![JetBlue logo]()
$1,237
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:20 pm -
2 stops32h 34m
Sun 12/272:25 pm -
2 stops23h 35m
Deal found 9/4![Delta logo]()
$1,264
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/237:00 am -
2 stops10h 57m
Wed 12/306:00 am -
2 stops20h 54m
Deal found 9/4![American Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/161:35 pm -
2 stops21h 18m
Thu 11/196:00 am -
2 stops16h 47m
Deal found 9/6![United Airlines logo]()
$907
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/271:24 pm -
2 stops20h 33m
Wed 9/306:00 am -
2 stops17h 58m
Deal found 9/3![United Airlines logo]()
$1,006
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/191:24 pm -
2 stops20h 33m
Mon 10/265:00 am -
2 stops16h 47m
Deal found 9/4![United Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/235:00 am -
2 stops14h 52m
Mon 11/96:00 am -
2 stops15h 56m
Deal found 9/5![United Airlines logo]()
$1,121
Last-minute flights from Ontario to Santiago de los CaballerosDiscover last-minute flight deals from Ontario to Santiago de los Caballeros. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Santiago de los Caballeros. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/121:18 pm -
2 stops20h 39m
Sat 9/196:00 am -
2 stops19h 59m
Deal found 9/2![United Airlines logo]()
$1,154
This JetBlue deal was found by Cheapflights users on 9/2. 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.
Sat 9/1210:39 pm -
1 stop12h 10m
Sat 9/1911:45 am -
1 stop12h 12m
Deal found 9/2![JetBlue logo]()
$1,402
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/271:24 pm -
2 stops20h 33m
Wed 9/306:00 am -
2 stops17h 58m
Deal found 9/3![United Airlines logo]()
$1,006
This Priceline deal was found by Cheapflights users on 9/3. 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 9/2710:39 pm -
1 stop12h 10m
Wed 9/3011:45 am -
1 stop12h 12m
Deal found 9/3![JetBlue logo]()
$1,237
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/191:24 pm -
2 stops20h 33m
Mon 10/265:00 am -
2 stops16h 47m
Deal found 9/4![United Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/215:00 am -
2 stops14h 52m
Wed 10/285:00 am -
2 stops18h 51m
Deal found 9/6![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/235:00 am -
2 stops14h 52m
Mon 11/96:00 am -
2 stops15h 56m
Deal found 9/5![United Airlines logo]()
$1,121
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 September 7, 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 September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:05 pm -
1 stop11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/91:23 pm -
2 stops20h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/711:59 pm -
2 stops12h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 12/82:22 pm -
2 stops21h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/21:24 pm -
2 stops22h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/66:40 pm -
2 stops25h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/1211:26 am -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/266:00 am -
2 stops27h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/186:32 pm -
2 stops15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$504
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $822 (American Airlines) |
One-way from | $364 (CheapOair) |
Popular in | December |
Cheapest in | April |
Average price | $594 |
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 September 7, 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
Quickest round-trip
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 10/18
11:05 pm-1:50 pm
1 stop11h 45m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$364
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Thu 12/10
7:49 pm-4:08 pm
2 stops16h 19m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$424
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Fri 10/2
1:24 pm-3:12 pm
2 stops22h 48m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$434
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 12/6
6:40 pm-11:51 pm
2 stops25h 11m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$437
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 10/18
6:32 pm-12:57 pm
2 stops15h 25m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$504
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Fri 12/25
6:00 am-4:15 pm
2 stops30h 15m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$531
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Thu 12/24
6:00 am-4:15 pm
2 stops30h 15m
Santiago de los Caballeros
Wed 12/31
12:00 am-8:30 pm
Nonstop0h 00m
$603
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Wed 10/21
5:00 am-10:52 pm
2 stops14h 52m
Santiago de los Caballeros
Wed 10/28
5:00 am-8:51 pm
2 stops18h 51m
$825
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Mon 11/16
1:35 pm-2:53 pm
2 stops21h 18m
Santiago de los Caballeros
Thu 11/19
6:00 am-6:47 pm
2 stops16h 47m
$907
OntarioSantiago de los Caballeros
ONT Ontario - STI Santiago de los Caballeros
ONTSTI
Ontario
Sun 9/27
1:24 pm-12:57 pm
2 stops20h 33m
Santiago de los Caballeros
Wed 9/30
6:00 am-8:58 pm
2 stops17h 58m
$1,006
Showing 1-10 of 15 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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Santiago de los Caballeros flight routes