Cheap Flights from San Francisco (SFO) to San Salvador (SAL)

Popular airlines from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)

Find available prices by choosing your travel dates.
Flights from San Francisco (SFO) to San Salvador (SAL)
Origin airport
San Francisco Intl.
Destination airport
El Salvador Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Copa, Delta, United, avianca
Distance
2640 mi

San Francisco to San Salvador Flights

The cheapest times to fly from San Francisco 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 San Francisco to San Salvador are during the month of . You can find some of the cheapest flights from San Francisco to San Salvador with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL) cost?
You can book cheap return flights starting at $393 from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Avianca flight leaving SFO on May 21 2025 and touching down at SAL. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SFO to SAL?
The cheapest flights from SFO to SAL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
Fly nonstop from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL) on an AVIANCA flight.
What is the cheapest airline that flies from SFO to SAL?
With fares starting at $174 for a one-way journey from SFO to SAL, Avianca is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on June 11 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
With an average of 2 nonstop flights that operate from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL) each day, you’ll be taking off on vacation soon enough.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
Flights between SFO and SAL are busiest at 1 PM. If you’d like a quieter trip and potentially cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from SFO to SAL?
Travel on a Saturday if you’re after the best choice of flights from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL).
What is the earliest flight from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
San Francisco Intl. Airport (SFO)’s earliest flight to El Salvador Intl. Airport (SAL) leaves at approximately 1:20PM UTC-8. With a total journey time of 5h 25m, you’ll arrive at around 8:45PM UTC-6.
How long does it take to fly from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
It takes about 5 hours and 20 minutes to fly the 2,600 mi from SFO to SAL.
What airline has the least delays from SFO to SAL?
AVIANCA has the best track record for on-time direct flights from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL), with an on-time score of 87%. Use the Expedia App to check your flight status before you jet off and get real-time alerts about any changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
Opt for a flight from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for San Salvador from San Francisco Intl. Airport (SFO)?
El Salvador Intl. Airport (SAL) is the only airport in San Salvador with direct flights from San Francisco Intl. Airport (SFO). Check out the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL) last-minute?
Last-minute bookings from SFO to SAL are generally more expensive. To secure the lowest rates, start looking for flights as soon as possible. That said, if you’re flexible with your travel plans, it’s possible to land a cheap ticket just before your departure.
Is it cheaper to book a SFO to SAL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to SAL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to El Salvador Intl. Airport (SAL)?
In most cases, you’re able to reschedule or cancel your SFO to SAL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.