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Santiago de los Caballeros

$408+ Cheap flights from Irvine, 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STI
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$408
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$573
Provider with most accurate pricing for Los Angeles-Santiago de los Caballeros flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Santiago de los Caballeros flights.
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From Irvine to Santiago de los Caballeros
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Highest demand for flights based on searches. 21% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 12, 2025.

This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/194:42 pmLAX - STI
1 stop14h 47mSpirit Airlines
Mon 6/2311:29 amSTI - LAX
2 stops22h 30mSpirit Airlines
Deal found 5/12$408
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:59 pmLAX - STI
1 stop10h 29mDelta
Fri 9/266:20 amSTI - LAX
1 stop11h 55mDelta
Deal found 5/12$493
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:52 pmLAX - STI
2 stops12h 37mMultiple Airlines
Fri 7/411:29 amSTI - LAX
2 stops30h 07mMultiple Airlines
Deal found 5/12$496
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:21 amLAX - STI
1 stop12h 56mJetBlue
Fri 6/1310:08 amSTI - LAX
1 stop17h 51mJetBlue
Deal found 5/12$526
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/2411:20 pmLAX - STI
1 stop12h 52mUnited Airlines
Mon 6/26:00 amSTI - LAX
1 stop11h 28mUnited Airlines
Deal found 5/12$547
This American Airlines deal was found by Cheapflights users on 5/11. 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 7/159:40 pmLAX - STI
1 stop11h 49mAmerican Airlines
Fri 7/257:04 amSTI - LAX
1 stop18h 31mAmerican Airlines
Deal found 5/11$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 May 12, 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

Thu 6/19

4:42 pm-10:29 am

1 stop14h 47m

Santiago de los Caballeros

Mon 6/23

11:29 am-6:59 am

2 stops22h 30m

$408

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 6/24

6:52 pm-10:29 am

2 stops12h 37m

Santiago de los Caballeros

Fri 7/4

11:29 am-2:36 pm

2 stops30h 07m

$496

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Mon 6/9

10:21 am-2:17 am

1 stop12h 56m

Santiago de los Caballeros

Fri 6/13

10:08 am-12:59 am

1 stop17h 51m

$526

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sun 5/25

7:00 am-12:14 am

1 stop14h 14m

Santiago de los Caballeros

Mon 6/2

1:30 pm-11:00 pm

1 stop12h 30m

$529

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Sat 5/24

11:20 pm-3:12 pm

1 stop12h 52m

Santiago de los Caballeros

Mon 6/2

6:00 am-2:28 pm

1 stop11h 28m

$547

Los AngelesSantiago de los Caballeros

LAX - STI

LAXSTI

Los Angeles

Tue 7/15

9:40 pm-12:29 pm

1 stop11h 49m

Santiago de los Caballeros

Fri 7/25

7:04 am-10:35 pm

1 stop18h 31m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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

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 $630). 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 May 12, 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 May 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and JetBlue from Irvine to Santiago de los Caballeros by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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.
Spirit Airlines
6.3
Okay
7,984 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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.

  • 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 $630). 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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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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$381Average$460FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$423Average$722FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$433Average$700FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$446Average$554FlexibilityNo cancel feeOn-time62%

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