Cheap Flights from Santiago (STI) to San Salvador (ILS)

Popular airlines from Cibao Intl. Airport (STI) to San Salvador (ILS-Ilopango)

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Find available prices by choosing your travel dates.
Flights from Santiago (STI) to San Salvador (ILS)
Origin airport
Cibao Intl.
Destination airport
Ilopango
Distance
1286 mi

Santiago to San Salvador Flights

The cheapest times to fly from Santiago to San Salvador

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santiago to San Salvador are during the month of . You can find some of the cheapest flights from Santiago to San Salvador with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santiago to San Salvador

Sunday is one of the best days to book for cheap flights from Santiago to San Salvador: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santiago to San Salvador

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santiago to San Salvador in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santiago to San Salvador flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santiago to San Salvador airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cibao Intl. Airport (STI) to Ilopango Airport (ILS) cost?
Discover the latest flight deals from STI to ILS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STI to ILS?
The cheapest flights from STI to ILS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STI to ILS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STI to ILS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cibao Intl. Airport (STI) to Ilopango Airport (ILS)?
Direct flights from Cibao Intl. Airport (STI) to Ilopango Airport (ILS) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from STI to ILS?
Usually you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cibao Intl. Airport (STI) to Ilopango Airport (ILS)?
To land at Ilopango Airport (ILS) on schedule, pick a flight that leaves from Cibao Intl. Airport (STI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Cibao Intl. Airport (STI) to Ilopango Airport (ILS) last-minute?
Last-minute bookings from STI to ILS are typically more expensive. For the best rates, start looking for flights well in advance. That being said, if you can play around with your travel dates, it’s possible to score a cheap fare right before your journey.
Is it cheaper to book a STI to ILS flight and hotel package?
You can save money by securing a STI to ILS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. Once you’ve chosen your preferred flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Cibao Intl. Airport (STI) to Ilopango Airport (ILS)?
In most cases, you can modify or cancel your STI to ILS flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline’s policies and fees on flight changes, or if you’d like more details, visit our Customer Service portal.

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*Available to One Key members.