Cheap Flights from IAD to SAL: When to Fly from Washington to San Salvador

The cheapest times to fly from IAD to SAL are

• January 8th to March 25th
• August 27th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to SAL is mid to late September. Prices can be as high as $874 for Sunday flights during mid December, or as low as $302 for Thursday flights around mid to late September.

When to Fly to San Salvador

Flying from Washington, DC (IAD) to San Salvador (SAL) will usually cost between $419 to $688 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $439. Due to high demand the most expensive time to fly is mid December, with an average price of $766. Planning your trip to low-cost times can easily save you $326 on economy flights and even more on first-class flights. Generally, any price below $545 can be considered a good price for a round-trip IAD to SAL flight.

See below for a graph of average weekly prices for the IAD to SAL route. All prices are for round-trip tickets in USD.

Compared to other flights, the IAD to SAL flight is cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.18, which is below average.

Flight Prices by Day of the Week

Thursday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $88 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $497. Return trip prices are from the SAL to IAD flight, and often highlight the quality of our data in showing the same trend.

Nonstop Flights and Layovers

Travelers looking to fly from IAD to SAL can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 24 minutes may be realistic.

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from IAD to SAL while comparing.

Flight Questions Answered

Still have questions about flying from IAD to SAL? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Aeromexico, Air Canada, AIRDIALOG, Alaska, American, Avianca, Avianca El Salvador, COPA, Delta, Porter Airlines, United, Volaris Costa Rica, and potentially more during busy seasons.

How far away is it from Msgr Oscar A Romero and Galdamez International Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 1899 miles or 3056 kilometers.

How long does it take to fly from IAD to SAL?

The real-world flight time for a nonstop IAD to SAL flight is about 4 hour 24 minutes.

How many flights go between Washington, DC and San Salvador?

It depends on the day of the week and the date, but a typical day might have around 38 available flights from IAD to SAL.

Airport Location Info

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.