Route guide

Houston to San Luis Obispo (IAH-SBP): Nonstop Upgrade & Award Space

United Airlines flies the IAH to SBP nonstop about 7 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every IAH to SBP departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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7
Nonstop flights a week
1,513 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every IAH to SBP departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Houston to San Luis Obispo to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each IAH to SBP departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to SBP on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to San Luis Obispo nonstop

Carriers operating IAH to SBP nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • United Airlines
See IAH to SBP on the interactive map →

Frequently asked questions about IAH to SBP

How far is San Luis Obispo from Houston?
IAH to SBP covers about 1,513 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from IAH to SBP?
United Airlines is currently the only airline flying IAH to SBP nonstop. 2LNR tracks confirmed upgrade and award space on every United Airlines departure.
How many flights a week are there from IAH to SBP?
About 7 nonstop flights a week run between Houston and San Luis Obispo in the current schedule, operated by United Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on IAH to SBP?
Open the IAH to SBP calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Houston to San Luis Obispo route, and 2LNR will notify you when space opens. It's free to start.

Never miss IAH to SBP upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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