Santiago de los Caballeros

$202+ Cheap flights from Irvine, 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STI
Apr 29 — May 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Irvine 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.

Cheapflights Tip: The best prices from Irvine to Santiago de los Caballeros are usually found in September or October, booked 23 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Irvine to Santiago de los Caballeros

Keep the following information in mind while searching for Irvine to Santiago de los Caballeros flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$493
(Delta)

One-way from

$202
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$537
Provider with most accurate pricing for Los Angeles-Santiago de los Caballeros flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Santiago de los Caballeros flights.
From Irvine to Santiago de los Caballeros
One-way flight from Irvine to Santiago de los Caballeros
Highest demand for flights based on searches. 21% potential increase in price ($176 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Irvine to Santiago de los Caballeros

Cheapest flights from Irvine to Santiago de los Caballeros
Explore the most affordable flight options available from Irvine to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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 9/166:00 amLAX - STI
1 stop10h 54mDelta
Fri 9/261:53 pmSTI - LAX
1 stop12h 31mDelta
Deal found 4/22$493
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Sat 6/146:52 pmLAX - STI
2 stops12h 37mSpirit Airlines
Wed 6/1811:29 amSTI - LAX
2 stops22h 25mSpirit Airlines
Deal found 4/23$526
This JetBlue deal was found by Cheapflights users on 4/22. 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.
Tue 9/163:25 pmLAX - STI
1 stop15h 25mJetBlue
Mon 9/221:50 amSTI - LAX
1 stop13h 12mJetBlue
Deal found 4/22$559
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/158:00 amLAX - STI
1 stop10h 10mAmerican Airlines
Fri 7/257:04 amSTI - LAX
1 stop18h 28mAmerican Airlines
Deal found 4/23$575

Cheapflights Fare Finder

Customize your flight search to find flights from Irvine 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 April 24, 2025.
Use the filters below to find and compare flights from Irvine to Santiago de los Caballeros that are best for you.

Fly from

Irvine

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 9/16

6:00 am-7:54 pm

1 stop10h 54m

Santiago de los Caballeros

Fri 9/26

1:53 pm-11:24 pm

1 stop12h 31m

$493

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 6/14

6:52 pm-10:29 am

2 stops12h 37m

Santiago de los Caballeros

Wed 6/18

11:29 am-6:54 am

2 stops22h 25m

$526

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 9/16

3:25 pm-9:50 am

1 stop15h 25m

Santiago de los Caballeros

Mon 9/22

1:50 am-12:02 pm

1 stop13h 12m

$559

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 7/15

8:00 am-9:10 pm

1 stop10h 10m

Santiago de los Caballeros

Fri 7/25

7:04 am-10:32 pm

1 stop18h 28m

$575

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 5/12

6:52 pm-2:48 pm

2 stops16h 56m

$202

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 5/13

7:30 am-12:14 am

2 stops13h 44m

$235

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 5/17

11:10 pm-5:33 pm

2 stops15h 23m

$245

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sun 5/11

4:59 pm-5:33 pm

2 stops21h 34m

$255

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Thu 5/15

3:20 pm-8:39 am

1 stop14h 19m

$268

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 6/2

7:30 pm-12:57 pm

2 stops14h 27m

$1,414

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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

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

How far ahead should I book a flight from Irvine to Santiago de los Caballeros?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Santiago de los Caballeros. Price data was last updated on April 18, 2025.

The price you pay for your flight from Irvine to Santiago de los Caballeros may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Irvine to Santiago de los Caballeros (average of $347). Flying from Irvine to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 IR9 to STI?

Find hourly flight availability from Irvine 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 April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Santiago de los Caballeros as you normally would.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 April 24, 2025.
8.0
Very good

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 Irvine 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 Irvine?

    Most people fly into Santiago de los Caballeros (STI) if they book a flight to Santiago de los Caballeros from Irvine. On average, Santiago has 0 inbound flights from Irvine per day from 4 airlines. Santiago de los Caballeros is conveniently located just 6.8 mi from Santiago de los Caballeros’s city center.

  • What are the cheapest airlines to fly from Irvine to Santiago de los Caballeros one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $202. Delta flights start at $235 while deals on Frontier start at $255 one-way.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Irvine to Santiago de los Caballeros (average of $347). Flying from Irvine to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 Irvine to Santiago de los Caballeros

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

Top 4 airlines flying from Irvine to Santiago de los Caballeros

Discover the top 4 airlines that operate flights from Irvine 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$381Average$460FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$423Average$722FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$425Average$697FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$446Average$554FlexibilityNo cancel feeOn-time62%

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.