Cheap Flights from Washington Dulles to San Salvador

Compare Washington Dulles to San Salvador flight deals

Find the cheapest month or even day of the year to fly to San Salvador

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Flight deals from Washington Dulles to San Salvador

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to San Salvador? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to San Salvador

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to San Salvador flights are currently cheapest in September.

Direct flights from Washington Dulles to San Salvador

Washington Dulles to San Salvador: Alternative routes

Compare routes from Washington Dulles to San Salvador below. You may find an airport to fly into that's cheaper, faster, or easier than San Salvador.

Washington D.C. to San Salvador: Flight information

The things to know before you go.
Cheapest flight found223 €
Cheapest month to flySeptember
Average flight time4 hrs, 31 mins
Most popular airlineAvianca
Average flights per week76

Finding cheap flights from Washington Dulles to San Salvador: Frequently asked questions

The best price we found for a return flight from Washington Dulles to San Salvador is 223 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 31 minutes is the average flight time from Washington Dulles to San Salvador.
Avianca, Avianca El Salvador and Volaris El Salvador fly direct from Washington Dulles to San Salvador.
As of July 2025, there are 76 flights per week flying from Washington Dulles to San Salvador.
The cheapest month to fly from Washington Dulles to San Salvador is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to San Salvador Airport on Thursday, 11 September 2025.
Yes – the average flight time is 4 hours and 31 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Salvador but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Salvador is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Avianca offers the cheapest flight tickets to San Salvador.

Flying from Washington Dulles International Airport (IAD) to El Salvador International Airport (SAL): what you need to know

  • The average length of a direct flight from Washington Dulles International Airport to El Salvador International Airport is 4 hours 30 minutes.

  • San Salvador's timezone is UTC-6, which makes San Salvador two hours behind Washington DC.

  • Each week, there are 170 Washington Dulles International Airport to El Salvador International Airport flights. If you want to jet off as soon as possible, jump on the 01:43 Vuela El Salvador flight. If you're eager to make the most of your day before you fly, the last departure is at 19:30 with AVIANCA.

  • Give yourself enough time to make your IAD to SAL flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as April? Major public holidays and other high seasons can lead to longer lines at airport checkpoints. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • With direct flights from Washington Dulles International Airport to El Salvador International Airport available from numerous airlines, flying to San Salvador (and then other corners of El Salvador) is a snap. Here's who you can fly nonstop with:

  • Most passengers choose to fly with AVIANCA on this route.

  • The most punctual carrier that offers IAD to SAL flights is AVIANCA. Its services arrive without delay 74.87% of the time.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Washington Dulles International Airport to El Salvador International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Worthwhile stopovers between IAD and SAL include:

    • Hartsfield-Jackson Atlanta International Airport

    • George Bush Intercontinental Airport

    • La Aurora International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to El Salvador International Airport (SAL)

  • Right now, 89 € is the cheapest price we've seen for a one-way Washington Dulles International Airport to El Salvador International Airport flight. The best price for a return plane ticket is 223 €. Remember that fares could change due to availability at the time of booking.

  • Get cheap tickets from IAD to SAL by booking at least five months ahead. According to our research, that's the sweet spot for landing a bargain.

  • April is the cheapest month for flights from Washington Dulles International Airport to El Salvador International Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from IAD to SAL.

  • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Washington Dulles International Airport to El Salvador International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

  • The address for IAD is 1 Saarinen Circle.

  • When it comes to Washington Dulles International Airport's on-time performance, data shows 74.39% of flights stick to their scheduled arrival time.

  • To get to Washington Dulles International Airport from central Washington DC, it takes around 50 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 56 kilometres from the airport to the city centre.

  • The journey on public transport takes roughly 3 hours 25 minutes.

  • Taking an early flight from Washington Dulles International Airport to El Salvador International Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels close to IAD:

Arriving at El Salvador International Airport (SAL)

Getting from El Salvador International Airport (SAL) to central San Salvador

  • El Salvador International Airport to the centre of San Salvador has a drive time of about 40 minutes. It's approximately 40 kilometres away.

When to fly to El Salvador International Airport (SAL)

  • August is the busiest month for flights from Washington Dulles International Airport to El Salvador International Airport. To escape the crowds, travel to San Salvador in February.

  • The warmest month in San Salvador is March, with the temperature ranging between 19ºC (66ºF) and 32ºC (90ºF). Lock in your flights from Washington Dulles International Airport to El Salvador International Airport in this month if you like this kind of weather.

  • If you want cooler conditions, look for a cheap ticket from IAD to SAL in January. Temperatures average between 18ºC (64ºF) and 30ºC (86ºF) then.

Explore more of El Salvador

  • San Salvador is easy to fall in love with, but there are so many other corners of El Salvador waiting to be explored. About 8 kilometres north-east of San Salvador, a trip to Soyapango will keep you on the go. Start with leading sights like Parque de Ciudad Credisa, MONUMENTO A LOS HERMANOS CAIDOS and Zona verde (cancha, parque y casa comunal).

  • Around 48 kilometres north-west of San Salvador, Santa Ana is another essential stop in El Salvador. Start your sightseeing at Planta seca, Secundario Condominios Procavia Park and San Cayetano Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.