Cheap Flights from Washington D.C. to San Salvador

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Compare Washington Dulles to San Salvador flight deals

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

Book the best San Salvador fare with no extra fees

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 June.

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 found$438
Cheapest month to flyMay
Average flight time4 hrs, 32 mins
Most popular airlineAvianca El Salvador
Average flights per week64

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 $438. 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 32 minutes is the average flight time from Washington Dulles to San Salvador.
Avianca El Salvador, Avianca and Volaris El Salvador fly direct from Washington Dulles to San Salvador.
As of February 2025, there are 64 flights per week flying from Washington Dulles to San Salvador.
The cheapest month to fly from Washington Dulles to San Salvador is usually February 2025.
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 Friday, 30 May 2025.
Yes – the average flight time is 4 hours and 32 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, United 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

  • 4 hours 28 minutes is the average duration of a direct flight from Washington Dulles International Airport to El Salvador International Airport. San Salvador is 2 hours behind Washington DC and is in the UTC-6 timezone.

  • There are 170 flights from Washington Dulles International Airport to El Salvador International Airport every week. Take the 00:10 flight if you want to set off as early as possible. If you'd like to make the most of your day before heading off, the last flight from IAD to SAL is at 23:45.

  • Travelling over a peak time like July? Public holidays and other popular seasons can lead to longer queues and delays at checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • AVIANCA is your gateway to exploring San Salvador (and perhaps some other great parts of El Salvador!). Look through the direct flights from Washington Dulles International Airport to El Salvador International Airport offered by this airline.

  • We make it a piece of cake to get a flight with a stopover. To see all the options for flights 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 explore your chosen city. Some popular stopovers between IAD and SAL are:

    • Hartsfield-Jackson Atlanta International Airport

    • George Bush Intercontinental Airport

    • La Aurora International Airport

  • To see whether you need a visa to enter El Salvador, contact your airline and the local consulate or embassy. They'll have the most current information, including any other travel documents you may need after booking your cheap ticket from IAD to SAL.

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

  • $183 is the best price for a one-way ticket from Washington Dulles International Airport to El Salvador International Airport. Return flights start at $438. These fares may change based on availability.

  • Book 8 months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap flight tickets from IAD to SAL.

  • Plan your trip for April. That's the cheapest month for tickets from Washington Dulles International Airport to El Salvador International Airport. If your travel dates are flexible, use the 'Whole month' tool to find the lowest airfare across every month.

  • Create a Price Alert for cheap flight tickets from IAD to SAL. There's no need to check every day to see if airfares have fallen. We'll update you when the price changes.

  • Tailor your flights with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Washington Dulles International Airport to El Salvador International Airport.

Handy information about Washington Dulles International Airport (IAD)

Arriving at El Salvador International Airport (SAL)

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

  • El Salvador International Airport is approximately 40 kilometres from the centre of San Salvador. With your own car rental or if you're catching a cab, the drive is about 40 minutes.

When to fly to El Salvador International Airport (SAL)

  • The quietest month for a flight from Washington Dulles International Airport to El Salvador International Airport is February, while August is the busiest. Pick the ideal time to go to San Salvador based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from Washington Dulles International Airport to El Salvador International Airport, consider the kind of weather you like. March is the warmest month in San Salvador, with temperatures ranging from 19ºC to 32ºC.

  • Look for cheap flight tickets from IAD to SAL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 30ºC on average.

More about San Salvador

  • If you're looking for somewhere to lay your head, you'll find the most popular stays in San Salvador right here. Check out these hotels once you've booked your flight from IAD to SAL:

  • Every great journey has to include some sightseeing. National Palace of El Salvador, Museo de Arte de El Salvador and Catedral Metropolitana are among the things you can't miss in San Salvador.

Complete your San Salvador trip with hotels and a car rental

  • You've locked in your cheap ticket to El Salvador International Airport — next up is finding a great place to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in San Salvador.

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