Cheap flights from Ontario to San Salvador from $740 ONT → SAL
Ontario International Airport (ONT) → El Salvador International Airport (SAL)
The cheapest return found recently is $740 with United Airlines, 26 Mar 2027 – 6 Apr 2027, found 16 hours ago.
- Cheapest return found recently
- $740, 26 Mar 2027 to 6 Apr 2027
- Usual return price
- $783 to $1,102
- Cheapest month to fly
- January 2027, return fares from $601 found in the last 7 days
- Airlines with nonstop flights
- avianca airlines, Volaris El Salvador
Return
The cheapest return fare on each of 11 departure dates is usually $783 to $1,102.
Cheapest return found recently
$740
26 Mar 2027 – 6 Apr 2027 · United Airlines
Ontario International Airport (ONT) → El Salvador International Airport (SAL)
Leaves 6:00 a.m. · Return leaves 2:00 a.m. · 12 h 49 min of travel, both ways together
out 1 stop, back nonstop · via George Bush Intercontinental Airport (IAH)
found 16 hours ago
Cheapest nonstop return
$842
1 Dec – 8 Dec · avianca airlines
Ontario International Airport (ONT) → El Salvador International Airport (SAL)
Leaves 10:45 p.m. · Return leaves 10:50 p.m. · 10 h of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$740 26 Mar 2027 – 6 Apr 2027found 16 hours agoSee prices for these dates
$601 28 Jan 2027 – 21 Feb 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $279 to $662.
At $740, the cheapest return found recently is above that range.
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 1 Dec to 26 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 11-night return fares leaving within 3 days of 26 Mar 2027 to compare.
Every date we hold
90 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 8 Dec | $688 | Frontier Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 11 Dec – 10 Jan 2027 | $1,255 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 14 Dec – 28 Dec | $928 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 6 days ago | See prices for these dates |
| 15 Dec – 28 Dec | $826 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 17 Dec – 3 Jan 2027 | $1,103 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 22 Dec – 4 Jan 2027 | $1,625 | Volaris | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 2 stops, back nonstop | found today | See prices for these dates |
| 23 Dec – 4 Jan 2027 | $1,010 | Frontier Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 29 Dec – 7 Jan 2027 | $1,100 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 5 Jan 2027 – 12 Jan 2027 | $872 | avianca airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 28 Jan 2027 – 21 Feb 2027 | $601 | Volaris El Salvador | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 26 Mar 2027 – 6 Apr 2027 | $740 | United Airlines | Ontario International Airport (ONT) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 16 hours ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $601.
Airlines on the cheapest dates: United Airlines, Frontier Airlines, Volaris, avianca airlines, Volaris El Salvador.
Premium cabin fares from Ontario 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 26 Mar 2027 – 6 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to San Salvador?
Return
Fares 60 to 89 days before departure were typically 6% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $627 | $579 | +6% | 23 |
| 7–13 days | $642 | $601 | +9% | 25 |
| 14–29 days | $717 | $413 | +21% | 38 |
| 30–59 days | $694 | $354 | +18% | 41 |
| 60–89 days | $590 | $527 | Cheapest seen | 42 |
| 90–179 days | $628 | $279 | +6% | 31 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → San Salvador
56 km from Ontario
$503
$237 less than flying from Ontario
26 Mar 2027 – 6 Apr 2027 · LAX → SAL · out nonstop, back 1 stop
found 16 hours ago
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 26 Mar 2027 – 6 Apr 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 Ontario to San Salvador?
The cheapest return found recently is $740 with United Airlines, 26 Mar 2027 to 6 Apr 2027, found 16 hours ago. The cheapest return we hold, of any age, is $601 with Volaris El Salvador, 28 Jan 2027 to 21 Feb 2027, found 5 days ago. The cheapest return fare on each of 11 departure dates is usually $783 to $1,102.
What is the cheapest month to fly from Ontario to San Salvador?
January 2027 is the cheapest month for a return, from $601, 28 Jan 2027 to 21 Feb 2027, found 5 days ago.
How far ahead should I book a flight from Ontario to San Salvador?
In 50 days of prices between 24 Sept and 12 Nov, return fares 60 to 89 days before departure were typically 6% lower than 0 to 6 days before departure.
Is there a direct flight from Ontario to San Salvador?
Yes, the cheapest nonstop return found recently is $842 with avianca airlines, 1 Dec to 8 Dec, found 4 days ago.
Which airlines have the cheapest flights from Ontario to San Salvador?
Between 1 Dec and 26 Mar 2027, United Airlines has the cheapest return on 6 of the 11 departure dates we hold, Frontier Airlines on 2 and Volaris 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