HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santiago de los Caballeros

$155+ Cheap flights from Riverside, CA 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside 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 Riverside to Santiago de los Caballeros

Cheapest flights from Riverside to Santiago de los Caballeros
Explore the most affordable flight options available from Riverside to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
-
STI
1 stop11h 36m
Spirit Airlines
Tue 3/103:41 pm
STI
-
LAX
2 stops19h 34m
Spirit Airlines
Deal found 1/28$271
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:59 pm
LAX
-
STI
1 stop11h 36m
Multiple Airlines
Tue 3/1010:06 pm
STI
-
LAX
1 stop15h 26m
Multiple Airlines
Deal found 1/28$356
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:40 pm
LAX
-
STI
1 stop11h 55m
Spirit Airlines
Tue 4/73:43 pm
STI
-
LAX
1 stop11h 13m
Spirit Airlines
Deal found 1/28$364
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:51 pm
LAX
-
STI
1 stop11h 44m
Spirit Airlines
Thu 4/303:40 pm
STI
-
LAX
1 stop11h 11m
Spirit Airlines
Deal found 1/28$366
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:07 pm
LAX
-
STI
2 stops19h 26m
Spirit Airlines
Wed 3/183:43 pm
STI
-
LAX
1 stop11h 13m
Spirit Airlines
Deal found 1/27$381
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:40 pm
LAX
-
STI
1 stop11h 55m
Spirit Airlines
Sat 3/283:43 pm
STI
-
LAX
1 stop11h 13m
Spirit Airlines
Deal found 1/27$389
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:59 pm
LAX
-
STI
1 stop11h 36m
Spirit Airlines
Fri 3/64:40 pm
STI
-
LAX
1 stop11h 10m
Spirit Airlines
Deal found 1/28$391

Find flight deals from Riverside to Santiago de los Caballeros

Keep the following information in mind while searching for Riverside to Santiago de los Caballeros flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Expedia)

One-way from

$155
(Priceline)

Popular in

December

Cheapest in

May

Average price

$658
Provider with most accurate pricing for Los Angeles-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Santiago de los Caballeros flights.
Search Deals
From Riverside to Santiago de los Caballeros
Search Deals
One-way flight from Riverside to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 January 29, 2026.
Use the filters below to find and compare flights from Riverside to Santiago de los Caballeros that are best for you.

Fly from

Riverside

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 3/2

11:59 pm-3:35 pm

1 stop11h 36m

Santiago de los Caballeros

Tue 3/10

3:41 pm-8:15 am

2 stops19h 34m

$271

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 3/2

11:59 pm-3:35 pm

1 stop11h 36m

Santiago de los Caballeros

Tue 3/10

10:06 pm-10:32 am

1 stop15h 26m

$356

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 3/24

11:40 pm-2:35 pm

1 stop11h 55m

Santiago de los Caballeros

Tue 4/7

3:43 pm-11:56 pm

1 stop11h 13m

$364

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Thu 4/23

11:51 pm-2:35 pm

1 stop11h 44m

Santiago de los Caballeros

Thu 4/30

3:40 pm-11:51 pm

1 stop11h 11m

$366

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 3/10

4:07 pm-2:33 pm

2 stops19h 26m

Santiago de los Caballeros

Wed 3/18

3:43 pm-11:56 pm

1 stop11h 13m

$381

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 3/17

11:40 pm-2:35 pm

1 stop11h 55m

Santiago de los Caballeros

Sat 3/28

3:43 pm-8:11 am

2 stops19h 28m

$390

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Fri 2/27

11:59 pm-3:35 pm

1 stop11h 36m

Santiago de los Caballeros

Fri 3/6

4:40 pm-11:50 pm

1 stop11h 10m

$391

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 2/3

6:52 pm-3:33 pm

2 stops16h 41m

$182

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Thu 2/26

11:59 pm-3:35 pm

1 stop11h 36m

$196

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Wed 2/25

2:51 pm-3:35 pm

3 stops20h 44m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 results
1
2

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

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

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

Currently, May is the cheapest month in which you can book a flight from Riverside to Santiago de los Caballeros (average of $224). Flying from Riverside to Santiago de los Caballeros in July is currently the most expensive (average of $490). 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 January 29, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Riverside to Santiago de los Caballeros to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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.
JetBlue
7.2
Good
2,891 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

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 Riverside 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 airport do you fly into for flights to Santiago de los Caballeros from Riverside?

    Santiago de los Caballeros (STI), located 6.8 mi from the city center, is the airport you fly into when you book flights from Riverside to Santiago de los Caballeros. 4 airlines have flights to Santiago from Riverside on a regular basis. Booking flights from Riverside to Santiago de los Caballeros should not be difficult; the airport handles an average of 0 inbound flights from Riverside per day.

  • How long is the flight from Riverside to Santiago de los Caballeros?

    Spirit Airlines can get you from Riverside to Santiago de los Caballeros in just under 11h 36m. Your travel time can differ by up to . The distance between Riverside and Santiago de los Caballeros is about 3085 mi.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Riverside to Santiago de los Caballeros (average of $224). Flying from Riverside to Santiago de los Caballeros in July is currently the most expensive (average of $490). 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.

See more FAQs

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 for Riverside to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Punta Cana flights
San Francisco to Punta Cana flights
Ontario to Punta Cana flights
Los Angeles to Santo Domingo flights
San Diego to Punta Cana flights
Los Angeles to Puerto Plata flights
San Francisco to Santo Domingo flights
Burbank to Punta Cana flights
Las Vegas to Punta Cana flights
San Diego to Santo Domingo flights
Sacramento to Punta Cana flights
San Jose to Punta Cana flights
Ontario to Santo Domingo flights
Oakland to Punta Cana flights
San Francisco to Puerto Plata flights
Burbank to Santo Domingo flights
San Jose to Santo Domingo flights
Fresno to Punta Cana flights
Los Angeles to Santiago de los Caballeros flights
Santa Ana to Punta Cana flights
San Diego to Puerto Plata flights
Las Vegas to Santo Domingo flights
San Francisco to La Romana flights
Oakland to Santo Domingo flights
Reno to Punta Cana flights
Sacramento to Santo Domingo flights
San Francisco to Santiago de los Caballeros flights
Ontario to Puerto Plata flights
Palm Springs to Punta Cana flights
Fresno to Santo Domingo flights
Las Vegas to Puerto Plata flights
Ontario to Santiago de los Caballeros flights
Santa Ana to Santo Domingo flights
Las Vegas to Santiago de los Caballeros flights
Los Angeles to La Romana flights
Sacramento to Puerto Plata flights
Reno to Puerto Plata flights
San Diego to Santiago de los Caballeros flights
Fresno to Santiago de los Caballeros flights
Santa Ana to Puerto Plata flights
Reno to Santiago de los Caballeros flights
Oakland to Santiago de los Caballeros flights
Reno to Santo Domingo flights
Santa Ana to Santiago de los Caballeros flights
San Jose to Puerto Plata flights
Sacramento to Santiago de los Caballeros flights
Oakland to Puerto Plata flights
San Jose to Santiago de los Caballeros flights
Long Beach to Punta Cana flights

Top 4 airlines flying from Riverside to Santiago de los Caballeros

Discover the top 4 airlines that operate flights from Riverside to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$417Average$594FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$418Average$682FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$451Average$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$492Average$641FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.