Washington to San Salvador DCA, IAD → SAL
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL)
The cheapest return found recently is $669 with avianca airlines, 6 Jan 2027 – 13 Jan 2027, found today. The cheapest one-way found recently is $183 with Frontier Airlines, 10 Jan 2027, found 2 days ago.
Return
The cheapest return fare on each of 14 departure dates is usually $700 to $814.
Cheapest return found recently
$669
6 Jan 2027 – 13 Jan 2027 · avianca airlines
Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL)
Leaves 6:35 p.m. · Return leaves 10:05 p.m. · 8 h 40 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$669
6 Jan 2027 – 13 Jan 2027 · avianca airlines
Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL)
Leaves 6:35 p.m. · Return leaves 10:05 p.m. · 8 h 40 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$669 6 Jan 2027 – 13 Jan 2027found todaySee prices for these dates
$634 17 Dec – 23 Decfound 6 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $272 to $623.
At $669, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 14 departure dates from 24 Oct to 6 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 6 Jan 2027 to compare.
Every date we hold
39 fares on 14 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct – 26 Oct | $657 | avianca airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 31 Oct – 7 Nov | $728 | Copa Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 7 Nov – 21 Nov | $730 | Copa Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 14 Nov – 28 Nov | $837 | Copa Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 21 Nov – 5 Dec | $789 | Copa Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 27 Nov – 14 Dec | $727 | Copa Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 11 Dec – 16 Dec | $780 | United Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 16 Dec – 26 Dec | $835 | avianca airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 17 Dec – 23 Dec | $634 | United Airlines | Ronald Reagan National Airport (DCA) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Dec – 25 Dec | $888 | Frontier Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 19 Dec – 26 Dec | $822 | Frontier Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 2 stops, back nonstop | found yesterday | See prices for these dates |
| 23 Dec – 25 Dec | $758 | Frontier Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 3 stops, back 1 stop | found yesterday | See prices for these dates |
| 31 Dec – 14 Jan 2027 | $691 | avianca airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 6 Jan 2027 – 13 Jan 2027 | $669 | avianca airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found today | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $634.
Airlines on the cheapest dates: Copa Airlines, avianca airlines, Frontier Airlines, United Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$183
10 Jan 2027 · Frontier Airlines
Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL)
Leaves 5:30 a.m. · 8 h 5 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$183 10 Jan 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 21 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $159 to $434.
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 10 Jan 2027 to compare.
Every date we hold
2 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Jan 2027 | $183 | Frontier Airlines | Washington Dulles International Airport (IAD) → El Salvador International Airport (SAL) | 1 stop | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Washington to San Salvador
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Jan 2027 – 13 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 10 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to San Salvador?
Return
Fares 90 to 179 days before departure were typically 42% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $648 | $378 | +72% | 13 |
| 7–13 days | $648 | $548 | +72% | 18 |
| 14–29 days | $597 | $272 | +59% | 25 |
| 30–59 days | $594 | $272 | +58% | 17 |
| 60–89 days | $634 | $440 | +69% | 25 |
| 90–179 days | $376 | $366 | Cheapest seen | 9 |
One-way
Fares 90 to 179 days before departure were typically 40% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (21 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $263 | $253 | +65% | 10 |
| 60–89 days | $422 | $183 | +165% | 13 |
| 90–179 days | $159 | $159 | Cheapest seen | 12 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → San Salvador
57 km from Washington
$615
$54 less than flying from Washington
8 Jan 2027 – 12 Jan 2027 · BWI → SAL · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → San Salvador
57 km from Washington
$292
$109 more than flying from Washington
10 Jan 2027 · BWI → SAL · 2 stops
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 6 Jan 2027 – 13 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work