Cheap flights from Washington, D.C. to San Salvador from $140

If you aren’t able to travel to San Salvador during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $267.

On average, the least expensive day to fly to San Salvador from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $360. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Salvador on Sunday is $398.

Our most recent data shows that the best time of day to fly to San Salvador is at noon. Flights from Washington, D.C. to San Salvador during this time can be as low as $302. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $423 on average. Flights to San Salvador from Washington, D.C. in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl for the best Washington, D.C. - San Salvador El Salvador Intl flight prices

You are more likely to see cheaper flights to San Salvador from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from Washington, D.C. for as low as $325 on momondo.

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. to San Salvador flight.

As of May 2026, prices for Washington, D.C. to San Salvador flights are approximately 63% more expensive when compared to flights at the same time last year.

United Airlines, Volaris El Salvador, and Copa Airlines are the most popular carriers operating from Washington, D.C. to San Salvador El Salvador Intl

Avianca, Volaris El Salvador and Frontier are the top three most popular airlines that fly to San Salvador from Washington, D.C. according to our data. Avianca is the first choice among our users, with 53% of people opting to fly with this airline when traveling to San Salvador. Keep in mind that there are 8 different airlines that fly to San Salvador on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Washington, D.C. and San Salvador have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Panama City (PTY) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $409.

Flights connecting via Guatemala City (GUA) have the shortest average one-way travel time: 6h 00m.

Guatemala City (GUA) has the shortest average layover time for this route: 1h 28m.

As of May 2026, 4 flights take off from Washington, D.C. and land in San Salvador each day. The most common flight departure time for this route is 5:00PM, with 49% of daily flights taking off in the morning.

As of May 2026, there are 34 flights per week flying from Washington, D.C. to San Salvador. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.