Cheap flights from San Salvador to Washington from $388 SAL → DCA, IAD
El Salvador International Airport (SAL) → Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD)
The cheapest return found recently is $586 with avianca airlines, 8 Jan 2027 – 29 Jan 2027, found 2 days ago. The cheapest one-way found recently is $388 with Volaris El Salvador, 1 Dec, found 4 days ago.
- Cheapest one-way found recently
- $388, found 4 days ago
- Cheapest return found recently
- $586, 8 Jan 2027 to 29 Jan 2027
- Usual return price
- $542 to $695
- Cheapest month to fly
- December 2026, return fares from $387 found in the last 7 days
- Airlines with nonstop flights
- avianca airlines, Volaris El Salvador, Frontier Airlines
Return
The cheapest return fare on each of 11 departure dates is usually $542 to $695.
Cheapest return found recently
$586
8 Jan 2027 – 29 Jan 2027 · avianca airlines
El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD)
Leaves 8:25 p.m. · Return leaves 9:00 p.m. · 8 h 45 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$586
8 Jan 2027 – 29 Jan 2027 · avianca airlines
El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD)
Leaves 8:25 p.m. · Return leaves 9:00 p.m. · 8 h 45 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Every nonstop date from San Salvador to Washington
Found recently, and the cheapest we hold
$586 8 Jan 2027 – 29 Jan 2027found 2 days agoSee prices for these dates
$387 27 Dec – 11 Jan 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $387 to $716.
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 11 departure dates from 14 Nov to 16 Mar 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 21-night return fares leaving within 3 days of 8 Jan 2027 to compare.
Every date we hold
104 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov – 24 Nov | $767 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 19 Nov – 2 Jan 2027 | $622 | Volaris El Salvador | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 3 Dec – 10 Dec | $547 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 4 Dec – 14 Dec | $767 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 6 Dec – 16 Dec | $769 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 17 Dec – 17 Jan 2027 | $580 | Frontier Airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out 1 stop, back 2 stops | found 3 days ago | See prices for these dates |
| 20 Dec – 18 Jan 2027 | $537 | Frontier Airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Dec – 11 Jan 2027 | $387 | Frontier Airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
| 1 Jan 2027 – 9 Jan 2027 | $547 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 8 Jan 2027 – 29 Jan 2027 | $586 | avianca airlines | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 16 Mar 2027 – 30 Mar 2027 | $431 | American Airlines | El Salvador International Airport (SAL) → Ronald Reagan National Airport (DCA) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $387.
Airlines on the cheapest dates: avianca airlines, Frontier Airlines, Volaris El Salvador, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$388
1 Dec · Volaris El Salvador
El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD)
Leaves 7:47 p.m. · 18 h 2 min trip
3 stops
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$388 1 Decfound 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 40 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $280 to $419.
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 1 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec | $388 | Volaris El Salvador | El Salvador International Airport (SAL) → Washington Dulles International Airport (IAD) | 3 stops | found 4 days ago | Open this trip |
Airlines on the cheapest dates: Volaris El Salvador.
Premium cabin fares from San Salvador to Washington
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 8 Jan 2027 – 29 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 1 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Salvador to Washington?
Return
Fares 60 to 89 days before departure were typically 40% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 | $668 | $652 | +67% | 19 |
| 7–13 days | $677 | $622 | +70% | 33 |
| 14–29 days | $669 | $547 | +68% | 46 |
| 30–59 days | $602 | $387 | +51% | 43 |
| 60–89 days | $399 | $387 | Cheapest seen | 16 |
| 90–179 days | $717 | $431 | +80% | 8 |
One-way
Fares 60 to 89 days before departure were typically 22% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (40 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 | $362 | $361 | +28% | 7 |
| 7–13 days | $324 | $305 | +15% | 14 |
| 14–29 days | $326 | $305 | +15% | 22 |
| 30–59 days | $316 | $300 | +12% | 20 |
| 60–89 days | $283 | $280 | Cheapest seen | 10 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Salvador → Baltimore
57 km from Washington
$564
$22 less than flying to Washington
5 Dec – 15 Dec · SAL → BWI · out 2 stops, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Salvador → Baltimore
57 km from Washington
$472
$84 more than flying to Washington
8 Jan 2027 · SAL → BWI · 2 stops
found 6 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 8 Jan 2027 – 29 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Salvador to Washington?
The cheapest return found recently is $586 with avianca airlines, 8 Jan 2027 to 29 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $387 with Frontier Airlines, 27 Dec to 11 Jan 2027, found 4 days ago. The cheapest return fare on each of 11 departure dates is usually $542 to $695.
How much is a one-way flight from San Salvador to Washington?
The cheapest one-way found recently is $388 with Volaris El Salvador, 1 Dec, found 4 days ago.
What is the cheapest month to fly from San Salvador to Washington?
December 2026 is the cheapest month for a return, from $387, 27 Dec to 11 Jan 2027, found 4 days ago.
How far ahead should I book a flight from San Salvador to Washington?
In 49 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 40% lower than 0 to 6 days before departure. In 40 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 22% lower than 0 to 6 days before departure.
Is there a direct flight from San Salvador to Washington?
Yes, the cheapest nonstop return found recently is $586 with avianca airlines, 8 Jan 2027 to 29 Jan 2027, found 2 days ago.
How long is the flight from San Salvador to Washington?
The cheapest one-way found recently, with Volaris El Salvador on 1 Dec, takes 18 h 2 min with 3 stops.
Which airlines have the cheapest flights from San Salvador to Washington?
Between 14 Nov and 16 Mar 2027, avianca airlines has the cheapest return on 6 of the 11 departure dates we hold, Frontier Airlines on 3 and Volaris El Salvador on 1.
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