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$493+ Cheap flights from Santiago de los Caballeros (STI) to San Diego (SAN)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SAN
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Santiago de los Caballeros to San Diego

Cheapest flights from Santiago de los Caballeros to San Diego
Explore the most affordable flight options available from Santiago de los Caballeros to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This American Airlines deal was found by Cheapflights users on 10/9. 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 12/296:00 amSTI - SAN
2 stops16h 37mAmerican Airlines
Mon 1/510:30 pmSAN - STI
1 stop19h 13mAmerican Airlines
Deal found 10/9$686
This Delta deal was found by Cheapflights users on 10/9. 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.
Sun 12/283:30 amSTI - SAN
1 stop12h 42mDelta
Mon 1/510:10 pmSAN - STI
1 stop10h 58mDelta
Deal found 10/9$854
This United Airlines deal was found by Cheapflights users on 10/9. 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 12/294:00 pmSTI - SAN
3 stops26h 58mUnited Airlines
Mon 1/56:55 pmSAN - STI
2 stops12h 51mUnited Airlines
Deal found 10/9$1,031

Cheap flight deals from Santiago de los Caballeros to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to San Diego (SAN). 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 October 10, 2025.

Round-trip from

$493
(United Airlines)
From Santiago de los Caballeros to San Diego
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to San Diego 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 October 10, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to San Diego that are best for you.

Fly from

Santiago de los Caballeros

Fly to

San Diego

Route

Depart

Return

Price

Santiago de los CaballerosSan Diego

STI - SAN

STISAN

Santiago de los Caballeros

Thu 2/19

12:52 pm-9:25 pm

1 stop12h 33m

San Diego

Sun 2/22

10:42 pm-2:53 pm

1 stop12h 11m

$493

Santiago de los CaballerosSan Diego

STI - SAN

STISAN

Santiago de los Caballeros

Thu 2/19

8:00 am-11:43 pm

2 stops19h 43m

San Diego

Sun 2/22

1:28 pm-1:10 pm

2 stops19h 42m

$608

Santiago de los CaballerosSan Diego

STI - SAN

STISAN

Santiago de los Caballeros

Mon 12/29

6:00 am-6:37 pm

2 stops16h 37m

San Diego

Mon 1/5

10:30 pm-9:43 pm

1 stop19h 13m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Best time to book a flight from Santiago de los Caballeros to San Diego

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

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

Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to San Diego (average of $376). Flying from Santiago de los Caballeros to San Diego in December is currently the most expensive (average of $661). 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 STI to SAN?

Find hourly flight availability from Santiago de los Caballeros to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2025.

It’s typically best to fly out from Santiago de los Caballeros to San Diego in the morning. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    United Airlines can get you from Santiago de los Caballeros to San Diego in just under 12h 33m. Your travel time can differ by up to . Santiago de los Caballeros and San Diego are separated by a distance of 3006 mi.

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

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

  • How can I find direct flights from Santiago de los Caballeros to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de los Caballeros to San Diego.

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

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

    Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to San Diego (average of $376). Flying from Santiago de los Caballeros to San Diego in December is currently the most expensive (average of $661). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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