Santiago de los Caballeros

$449+ Cheap flights from Riverside, CA 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STI
Oct 15 — Oct 221
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Cheap 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 September 15, 2025.

Round-trip from

$447
(Expedia)

Popular in

December

Cheapest in

October

Average price

$594
From Riverside to Santiago de los Caballeros
Highest demand for flights based on searches. 23% potential increase in price ($195 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 10/129:05 pmLAX - STI
1 stop12h 08mAmerican Airlines
Wed 10/291:14 pmSTI - LAX
1 stop14h 04mAmerican Airlines
Deal found 9/14$449
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 11/1710:26 pmLAX - STI
2 stops13h 07mAmerican Airlines
Thu 11/274:35 pmSTI - LAX
2 stops17h 03mAmerican Airlines
Deal found 9/14$456
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/711:27 pmLAX - STI
1 stop9h 46mAmerican Airlines
Mon 10/131:14 pmSTI - LAX
1 stop23h 22mAmerican Airlines
Deal found 9/14$461
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:27 pmLAX - STI
2 stops41h 11mMultiple Airlines
Mon 10/1311:43 amSTI - LAX
1 stop14h 12mMultiple Airlines
Deal found 9/14$465
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:53 pmLAX - STI
3 stops32h 45mSpirit Airlines
Sun 10/1211:43 amSTI - LAX
3 stops30h 37mSpirit Airlines
Deal found 9/15$502
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:53 pmLAX - STI
3 stops32h 45mSpirit Airlines
Mon 10/1311:43 amSTI - LAX
3 stops23h 34mSpirit Airlines
Deal found 9/14$503
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:45 pmLAX - STI
1 stop17h 51mDelta
Thu 11/276:35 amSTI - LAX
1 stop16h 23mDelta
Deal found 9/15$524

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 September 15, 2025.
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

Sun 3/1

11:59 pm-8:39 pm

1 stop16h 40m

Santiago de los Caballeros

Thu 3/5

10:04 pm-11:22 am

1 stop17h 18m

$451

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 10/7

11:27 pm-12:13 pm

1 stop9h 46m

Santiago de los Caballeros

Mon 10/13

1:14 pm-9:36 am

1 stop23h 22m

$461

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 2/24

8:25 am-9:03 pm

1 stop8h 38m

Santiago de los Caballeros

Sat 2/28

4:30 pm-9:15 am

1 stop20h 45m

$464

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 11/17

9:31 pm-3:33 pm

1 stop14h 02m

Santiago de los Caballeros

Thu 11/27

4:35 pm-9:04 am

1 stop20h 29m

$464

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 10/7

10:53 pm-10:38 am

3 stops32h 45m

Santiago de los Caballeros

Mon 10/13

11:43 am-8:17 am

3 stops23h 34m

$503

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 10/7

10:53 pm-10:38 am

3 stops32h 45m

Santiago de los Caballeros

Sun 10/12

11:43 am-10:55 pm

1 stop14h 12m

$515

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 11/18

7:40 am-12:59 am

1 stop13h 19m

Santiago de los Caballeros

Thu 11/27

6:35 am-3:11 pm

1 stop12h 36m

$524

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 12/27

11:59 pm-5:06 pm

2 stops37h 07m

$470

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 12/27

10:45 pm-5:06 pm

3 stops38h 21m

$507

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 12/27

6:00 am-9:03 pm

1 stop11h 03m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 $347). Flying from Riverside to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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.

What is the cheapest time of day to fly from R1V to STI?

Find hourly flight availability from Riverside to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Riverside to Santiago de los Caballeros, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United 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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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.
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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. 5 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?

    JetBlue and American Airlines can get you from Riverside to Santiago de los Caballeros in just under 9h 46m. Your travel time can differ by up to 6h 54m. The distance between Riverside and Santiago de los Caballeros is about 3085 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $347). Flying from Riverside to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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

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Alternative routes for Riverside to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Riverside to Santiago de los Caballeros

Discover the top 5 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$391Average$427FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$425Average$675FlexibilityNo cancel feeOn-time71%
DeltaCheapest$442Average$594FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$482Average$618FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$492Average$654FlexibilityNo cancel feeOn-time69%

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