United's Economy Plus offers up to six inches more legroom than standard economy seats.
Purchase Priority Boarding to ensure overhead bin space, placing you in Zone 2.

| Low season | January |
|---|---|
| High season | December |
Direct departures
San Salvador El Salvador Intl to Houston George Bush Intcntl
Monday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Tuesday
Avianca, Spirit Airlines, United Airlines, +1 more
Avianca, Spirit Airlines, +2 more
1
Wednesday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Thursday
Avianca, Spirit Airlines, United Airlines, +1 more
Avianca, Spirit Airlines, +2 more
1
Friday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Saturday
Avianca, Frontier, Spirit Airlines, +2 more
Avianca, Frontier, +3 more
1
2
Sunday
Avianca, Spirit Airlines, United Airlines
Avianca, Spirit Airlines, +1 more
Direct returns
Houston George Bush Intcntl to San Salvador El Salvador Intl
Monday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Tuesday
Avianca, Spirit Airlines, United Airlines, +1 more
Avianca, Spirit Airlines, +2 more
1
Wednesday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Thursday
Avianca, Spirit Airlines, United Airlines, +1 more
Avianca, Spirit Airlines, +2 more
1
Friday
Avianca, Frontier, Spirit Airlines, +1 more
Avianca, Frontier, +2 more
1
Saturday
Avianca, Frontier, Spirit Airlines, +2 more
Avianca, Frontier, +3 more
1
2
Sunday
Avianca, Spirit Airlines, United Airlines
Avianca, Spirit Airlines, +1 more