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Washington to San Salvador flights

The cheapest round trip we found from Washington to San Salvador is $402 (Dec 19 – 25, 1 stop), 22% below the usual $515.

WAS to SAL · Round trip · Economy · Prices per person in USD · Price found (1 day ago)

Cheapest found

$402 22% less
Dec 19 – 25 · 1 stop · Usually $515
Book this fare
Good price — book if the dates work 22% below the usual $515, and prices have been rising this week. Based on 47 days of prices.
Not ready to book? We'll email you when Washington → San Salvador drops below $380.
Dec – Jan · 5–7 nights · Change

Cheapest round trip by month

Lowest fare found per departure month
  • Dec $402
Cheapest month Below usual Usual price $515 Tap a month to see its cheapest dates.
Cheapest round trip from Washington to San Salvador by departure month
MonthCheapest round trip
November 2026$443
December 2026$402
January 2027$515
February 2027$587
March 2027$735
April 2027No fares found yet
May 2027$302 (cheapest month)

Cheapest dates in the next 4 months

Round trip, per person
  • Dec 19 – 25 6 nights · leave Sat
    $402 −22% vs usual
    Frontier Airlines 1 stop · 7h 12m
    Book
  • Dec 12 – 19 7 nights · leave Sat
    $414 −20% vs usual
    United Airlines 1 stop · 6h 43m
    Book
  • Dec 13 – 21 8 nights · leave Sun
    $414 −20% vs usual
    United Airlines 1 stop · 6h 54m
    Book
  • Dec 1 – 6 5 nights · leave Tue
    $418 −19% vs usual
    Avianca Airlines Nonstop · 4h 30m
    Book
  • Nov 19 – 22 3 nights · leave Thu
    $443 −14% vs usual
    Avianca Airlines Nonstop · 4h 30m
    Book
  • Dec 19 – 26 7 nights · leave Sat
    $446 −13% vs usual
    Frontier Airlines 1 stop · 6h 47m
    Book
  • Dec 1 – 10 9 nights · leave Tue
    $447 −13% vs usual
    Frontier Airlines 3 stops · 10h 50m
    Book
  • Dec 18 – 26 8 nights · leave Fri
    $496
    Frontier Airlines 1 stop · 6h 27m
    Book

Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert

Things to do in San Salvador

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See things to do in San Salvador Attractions, tours and airport transfers on Klook

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Plan the rest of your trip

San Salvador · Dec 19 – 25

Airport transfer · Kiwitaxi

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Good to know

Nonstop flights Nonstop from $418 33% of the 15 date combinations we track are nonstop.
Airlines with cheap fares 5 airlines Most often: Frontier Airlines, United Airlines, Avianca Airlines.
Most expensive month March Cheapest round trip that month is $735, vs $302 in the cheapest month.

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More from Washington

All flights from Washington

Flights to San Salvador from other cities

All flights to San Salvador Flying the other way? San Salvador to Washington from $387

Washington to San Salvador: questions

How much does a flight from Washington to San Salvador cost?

The cheapest round trip we have found right now is $402, leaving December 19 and returning December 25. The usual price on this route is about $515, so this fare is 22% less. Prices are per person, economy, in USD.

What is the cheapest month to fly from Washington to San Salvador?

May 2027, with round trips from $302. The most expensive month in our data is March (from $735). Based on the 6 months ahead we have prices for.

Are there nonstop flights from Washington to San Salvador?

Yes. Nonstop from $418 round trip. 33% of the 15 date combinations we track are nonstop.

Which airports do Washington to San Salvador flights use?

Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). San Salvador airports include El Salvador International (SAL) and Ilopango (ILS). The prices on this page cover every airport in both cities (WAS and SAL are the city codes).

About this route

We track round-trip economy fares from Washington (United States) to San Salvador (El Salvador) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $402, departing December 19 and returning December 25, about 22% below the usual $515. Right now we're following 15 upcoming date combinations on this route. The cheapest month to fly in our data is May, from $302. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.

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