Houston to San Salvador flights in December 2026 from $695 HOU, IAH → SAL
William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)
For departures in December 2026, the cheapest return found recently is $695 with Frontier Airlines, 17 Dec – 17 Dec, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 10 departure dates is usually $787 to $876. Across all 18 departure dates we hold on this route, it is usually $537 to $847. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$695
17 Dec – 17 Dec · Frontier Airlines
George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)
out nonstop, back nonstop
found 2 days ago
Cheapest we hold, of any age
$653
10 Dec – 13 Dec · avianca airlines
George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)
out nonstop, back nonstop
found 3 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 10 Dec – 13 Dec | $653 | avianca airlines | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 17 Dec – 17 Dec | $695 | Frontier Airlines | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 11 Dec – 15 Dec | $780 | United Airlines | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 27 Dec – 6 Jan 2027 | $808 | avianca airlines El Salvador | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 18 Dec – 26 Dec | $825 | Frontier Airlines | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Every date we hold
10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 3 Dec – 3 Dec | $853 | American Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 10 Dec – 13 Dec | $653 | avianca airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 11 Dec – 15 Dec | $780 | United Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 16 Dec – 2 Jan 2027 | $1,232 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out 3 stops, back nonstop | found 2 days ago | See prices for these dates |
| 17 Dec – 17 Dec | $695 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 18 Dec – 26 Dec | $825 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Dec – 2 Jan 2027 | $1,208 | Volaris El Salvador | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 23 Dec – 6 Jan 2027 | $884 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 26 Dec – 7 Jan 2027 | $827 | avianca airlines | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Dec – 6 Jan 2027 | $808 | avianca airlines El Salvador | George Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $370.
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