Cheap Flights from Houston (HOU) to San Salvador (SAL)

Popular airlines from Houston William Hobby Airport (HOU) to El Salvador Intl. Airport (SAL)

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Find available prices by choosing your travel dates.
Flights from Houston (HOU) to San Salvador (SAL)
Origin airport
William P. Hobby
Destination airport
El Salvador Intl.
Airlines serving
American Airlines, Delta
Distance
1188 mi

Houston to San Salvador Flights

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

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

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston 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 Houston 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 Houston 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

Is it cheaper to buy a plane ticket from HOU to SAL last minute?
Booking your flight from William P. Hobby Airport to SAL last minute could save you a pretty penny if you’re lucky to find a real steal. However, tickets typically don’t come down in price closer to the departure date. If you choose to wait, flights could also be booked out or the best seats taken (we hope you like the middle seat!). If you don’t want to risk it, book well in advance of when you want to leave. In fact, you can find some of the biggest deals up to 12 months in advance. If your preferred airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for San Salvador from Houston?
You’ve one option when journeying from Houston to San Salvador — El Salvador Intl. Airport (SAL). Get off the plane here and you’ll be approximately 20 mi southeast of the middle of San Salvador. Organize your travel dates and explore all that this exciting city has to offer.
Can I change the date of my flight from William P. Hobby Airport (HOU) to SAL?
You can quickly and easily make changes to your William P. Hobby Airport to SAL flight via the Expedia Trips portal. But before you make any adjustments, read through the ticket rules in your itinerary to learn what the carrier will let you do and whether fees apply. Some carriers have a change fee per person, on top of any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also visit our Customer Service portal for more information and to chat with our Virtual Agent.

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