Cheap Flights from Washington (DCA) to San Salvador (SAL)

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Find available prices by choosing your travel dates.
Flights from Washington (DCA) to San Salvador (SAL)
Origin airport
Ronald Reagan Washington National
Destination airport
El Salvador Intl.
Airlines serving
Air Canada, American Airlines, Delta, United
Distance
1902 mi

Washington to San Salvador Flights

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

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington 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 Washington 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 Washington 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 Ronald Reagan Washington National Airport (DCA) to El Salvador Intl. Airport (SAL) last minute?
Booking your flight from Ronald Reagan Washington National Airport (DCA) to El Salvador Intl. Airport (SAL) at the last minute could save you a pretty penny if you luck out and find a real steal. However, tickets usually don’t get cheaper as the date of departure nears. If you wait, flights could also be booked up or the best seats long gone. If you’d rather play it safe, book well in advance of when you want to leave. It’s worth noting that some of the best deals can be found up to a year in advance. If your preferred airline hasn’t released its airfares yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for San Salvador from Washington?
You’ve one option when jetting from Washington to San Salvador — El Salvador Intl. Airport (SAL). Arrive here and you’ll be approximately 20 mi southeast of the middle of San Salvador. Reclaim your vacation days and experience all that this awesome city offers.
Can I change the date of my flight from National Airport to El Salvador Intl. Airport (SAL)?
It’s a piece of cake to make amendments to your Ronald Reagan Washington National Airport (DCA) to El Salvador Intl. Airport Saint Oscar Arnulfo Romero y Galdámez trip yourself. Access your itinerary via the Expedia Trips portal and tap “change flight.” Browse around for new flights and choose the one that better fits your plans. You’ll see an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

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*Available to One Key members.