Cheap flights from San Salvador to Ontario from $351 SAL → ONT
El Salvador International Airport (SAL) → Ontario International Airport (ONT)
The cheapest return found recently is $1,018 with avianca airlines, 28 Nov – 15 Dec, found 4 days ago. The cheapest one-way found recently is $351 with United Airlines, 20 Jan 2027, found 5 days ago.
- Cheapest one-way found recently
- $351, found 5 days ago
- Cheapest return found recently
- $1,018, 28 Nov to 15 Dec
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$1,018
28 Nov – 15 Dec · avianca airlines
El Salvador International Airport (SAL) → Ontario International Airport (ONT)
Leaves 5:35 p.m. · Return leaves 8:15 a.m. · 16 h 19 min of travel, both ways together
out nonstop, back 1 stop
found 4 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,018 28 Nov – 15 Decfound 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 24 days, 4 Oct to 11 Nov, the cheapest return we saw each day was $652 to $820.
At $1,018, the cheapest return found recently is above that range.
24 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?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 17-night return fares leaving within 3 days of 28 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Nov – 15 Dec | $1,018 | avianca airlines | El Salvador International Airport (SAL) → Ontario International Airport (ONT) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: avianca airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $402 to $460.
Cheapest one-way found recently
$351
20 Jan 2027 · United Airlines
El Salvador International Airport (SAL) → Ontario International Airport (ONT)
Leaves 4:40 p.m. · 19 h 17 min trip
2 stops
found 5 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$351 20 Jan 2027found 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 29 days, 26 Sept to 11 Nov, the cheapest one-way we saw each day was $305 to $351.
At $351, the cheapest one-way found recently is at the high end of that range.
29 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?
Compared with the cheapest one-way fare on each of 3 departure dates from 15 Jan 2027 to 20 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?
No. We hold one-way fares on 1 other departure date within 3 days of 20 Jan 2027, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Jan 2027 | $468 | American Airlines | El Salvador International Airport (SAL) → Ontario International Airport (ONT) | 1 stop | found 5 days ago | Open this trip |
| 18 Jan 2027 | $452 | United Airlines | El Salvador International Airport (SAL) → Ontario International Airport (ONT) | 2 stops | found 5 days ago | Open this trip |
| 20 Jan 2027 | $351 | United Airlines | El Salvador International Airport (SAL) → Ontario International Airport (ONT) | 2 stops | found 5 days ago | Open this trip |
Airlines on the cheapest dates: United Airlines, American Airlines.
Premium cabin fares from San Salvador to Ontario
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 28 Nov – 15 Dec in another cabin: Premium economy · Business · First
Today's prices for 20 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Salvador to Ontario?
Return
Fares 14 to 29 days before departure were typically 21% lower than 0 to 6 days before departure.
From the cheapest return each day between 4 Oct and 11 Nov (24 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 | $820 | $785 | +26% | 7 |
| 14–29 days | $652 | $652 | Cheapest seen | 8 |
| 30–59 days | $750 | $750 | +15% | 10 |
One-way
The cheapest fares were 60 to 89 days before departure.
From the cheapest one-way each day between 26 Sept and 11 Nov (29 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 | $314 | $314 | +3% | 13 |
| 60–89 days | $305 | $305 | Cheapest seen | 13 |
| 90–179 days | $322 | $322 | +6% | 9 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Salvador → Los Angeles
56 km from Ontario
$666
$352 less than flying to Ontario
19 Dec – 2 Jan 2027 · SAL → LAX · out nonstop, back nonstop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Salvador → Los Angeles
56 km from Ontario
$241
$110 less than flying to Ontario
26 Jan 2027 · SAL → LAX · 1 stop
found 3 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 28 Nov – 15 Dec. 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 Ontario?
The cheapest return found recently is $1,018 with avianca airlines, 28 Nov to 15 Dec, found 4 days ago.
How much is a one-way flight from San Salvador to Ontario?
The cheapest one-way found recently is $351 with United Airlines, 20 Jan 2027, found 5 days ago. The cheapest one-way fare on each of 3 departure dates is usually $402 to $460.
How far ahead should I book a flight from San Salvador to Ontario?
In 24 days of prices between 4 Oct and 11 Nov, return fares 14 to 29 days before departure were typically 21% lower than 0 to 6 days before departure. In 29 days of prices between 26 Sept and 11 Nov, one-way fares were cheapest 60 to 89 days before departure.
How long is the flight from San Salvador to Ontario?
The cheapest one-way found recently, with United Airlines on 20 Jan 2027, takes 19 h 17 min with 2 stops.
Which airlines have the cheapest flights from San Salvador to Ontario?
Between 15 Jan 2027 and 20 Jan 2027, United Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and American Airlines 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