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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

See prices for these datesCheck today's price

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

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
10 Dec – 13 Dec$653avianca airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 17 Dec$695Frontier Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
11 Dec – 15 Dec$780United Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 6 Jan 2027$808avianca airlines El Salvadorout nonstop, back nonstopfound 2 days agoSee prices for these dates
18 Dec – 26 Dec$825Frontier Airlinesout 1 stop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

10 departure dates

3 Dec – 3 Dec: $853, found 2 days ago10 Dec – 13 Dec: $653, found 3 days ago11 Dec – 15 Dec: $780, found 2 days ago16 Dec – 2 Jan 2027: $1,232, found 2 days ago17 Dec – 17 Dec: $695, found 2 days ago18 Dec – 26 Dec: $825, found 4 days ago19 Dec – 2 Jan 2027: $1,208, found 7 days ago23 Dec – 6 Jan 2027: $884, found 2 days ago26 Dec – 7 Jan 2027: $827, found 3 days ago27 Dec – 6 Jan 2027: $808, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 3 Dec$853American AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 13 Dec$653avianca airlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 3 days agoSee prices for these dates
11 Dec – 15 Dec$780United AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Dec – 2 Jan 2027$1,232Frontier AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out 3 stops, back nonstopfound 2 days agoSee prices for these dates
17 Dec – 17 Dec$695Frontier AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 2 days agoSee prices for these dates
18 Dec – 26 Dec$825Frontier AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
19 Dec – 2 Jan 2027$1,208Volaris El SalvadorGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 7 days agoSee prices for these dates
23 Dec – 6 Jan 2027$884Frontier AirlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
26 Dec – 7 Jan 2027$827avianca airlinesGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Dec – 6 Jan 2027$808avianca airlines El SalvadorGeorge Bush Intercontinental Airport (IAH) → El Salvador International Airport (SAL)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $370.

November 2026From $370Cheapest seen3 departure dates24 Nov – 5 Dec · found 5 days agoSee prices for these dates
December 2026From $65310 departure dates10 Dec – 13 Dec · found 3 days agoSee prices for these dates
January 2027From $3983 departure dates9 Jan 2027 – 19 Jan 2027 · found 6 days agoSee prices for these dates
February 2027From $4811 departure date13 Feb 2027 – 28 Feb 2027 · found 5 days agoSee prices for these dates
March 2027From $6401 departure date7 Mar 2027 – 12 Mar 2027 · found 5 days agoSee prices for these dates

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