Cheap Spirit Airlines flights Houston (IAH) to San Salvador (SAL)

Landing cheap one-way Spirit Airlines flights from IAH to SAL on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines flights to San Salvador are often more affordable in the off-peak months of September and October. Whether you’re in search of a round-trip or one-way ticket, you could find a better deal then.

Look for Spirit Airlines flights from IAH to SAL about one month before you want to go. The most affordable time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from IAH to SAL with Spirit Airlines or another carrier.

Sort your results by “Morning” and “Early Morning” to find the earliest flights from IAH to SAL. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

El Salvador Intl. Airport (SAL) is the primary San Salvador gateway for Spirit Airlines flights from George Bush Intercontinental Airport (IAH).

A rewarding loyalty program and the ability to rack up points through Free Spirit are the start of the reasons to travel from IAH to SAL with Spirit Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to modify or cancel your flight, although there may be additional fees if you made your booking over 24 hours ago. Need to keep your options open? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to alter your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.