San Francisco to San Salvador SFO → SAL
San Francisco International Airport (SFO) → El Salvador International Airport (SAL)
The cheapest return found recently is $1,131 with avianca airlines, 21 Dec – 27 Dec, found today.
Return
The cheapest return fare on each of 4 departure dates is usually $950 to $1,207.
Cheapest return found recently
$1,131
21 Dec – 27 Dec · avianca airlines
San Francisco International Airport (SFO) → El Salvador International Airport (SAL)
Leaves 1:15 p.m. · Return leaves 7:45 a.m. · 11 h 45 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$1,131
21 Dec – 27 Dec · avianca airlines
San Francisco International Airport (SFO) → El Salvador International Airport (SAL)
Leaves 1:15 p.m. · Return leaves 7:45 a.m. · 11 h 45 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$1,131 21 Dec – 27 Decfound todaySee prices for these dates
$711 5 Nov – 11 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $549 to $1,143.
23 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 4 departure dates from 5 Nov to 22 Dec, 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 6-night return fares leaving within 3 days of 21 Dec to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Nov – 11 Nov | $711 | Frontier Airlines | San Francisco International Airport (SFO) → El Salvador International Airport (SAL) | out 1 stop, back 2 stops | found 6 days ago | See prices for these dates |
| 20 Nov – 24 Nov | $1,029 | American Airlines | San Francisco International Airport (SFO) → El Salvador International Airport (SAL) | out 3 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 21 Dec – 27 Dec | $1,131 | avianca airlines | San Francisco International Airport (SFO) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found today | See prices for these dates |
| 22 Dec – 4 Jan 2027 | $1,434 | Frontier Airlines | San Francisco International Airport (SFO) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $711.
Airlines on the cheapest dates: Frontier Airlines, American Airlines, avianca airlines.
Premium cabin fares from San Francisco 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 21 Dec – 27 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to San Salvador?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (23 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 |
|---|---|---|---|---|
| 14–29 days | $711 | $711 | Cheapest seen | 8 |
| 30–59 days | $741 | $741 | +4% | 10 |
| 60–89 days | $831 | $549 | +17% | 19 |
| 90–179 days | $726 | $549 | +2% | 10 |
| 180+ days | $836 | $811 | +18% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Oakland → San Salvador
13 km from San Francisco
$1,603
$472 more than flying from San Francisco
21 Dec – 27 Dec · OAK → SAL · out nonstop, back nonstop
found today
San Jose → San Salvador
67 km from San Francisco
$1,811
$680 more than flying from San Francisco
22 Dec – 4 Jan 2027 · SJC → 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.
Live price for these dates
The cheapest return found recently is for 21 Dec – 27 Dec. 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