Route guide

Sacramento to Ontario (SMF-ONT): Nonstop Upgrade & Award Space

Southwest Airlines and Frontier Airlines fly nonstop between Sacramento (SMF) and Ontario (ONT), roughly 16 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every SMF to ONT departure, so you know which flights have space before you book.

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

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16
Nonstop flights a week
389 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SMF to ONT 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 Sacramento to Ontario 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 SMF to ONT 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 SMF to ONT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sacramento to Ontario nonstop

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

  • Southwest Airlines
  • Frontier Airlines
See SMF to ONT on the interactive map →

Frequently asked questions about SMF to ONT

How far is Ontario from Sacramento?
SMF to ONT covers about 389 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SMF to ONT?
Southwest Airlines and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from SMF to ONT?
About 16 nonstop flights a week run between Sacramento and Ontario in the current schedule, operated by Southwest Airlines and Frontier Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SMF to ONT?
Open the SMF to ONT calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Sacramento to Ontario route, and 2LNR will notify you when space opens. It's free to start.

Never miss SMF to ONT upgrade or award space

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

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