Missoula to Santa Ana (MSO-SNA): nonstop flights and who flies them

Allegiant Air flies nonstop from Missoula (MSO) to Santa Ana (SNA) just twice a week. With so few departures, each one carries the only premium seats on the route that day. Allegiant Air fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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2
Nonstop flights a week
936 mi
Nonstop distance
Free
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Missoula to Santa Ana flight schedule

Schedule data dated .

We last checked the MSO to SNA schedule with our schedule feed on July 26, 2026, which is more than 14 days ago, so this page is not publishing departure times for it. The frequency figures above come from that same schedule.

See every MSO to SNA date on the interactive map

The full MSO to SNA nonstop schedule

Allegiant Air fly the route nonstop in 2LNR's schedule data. This page carries the full MSO to SNA nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each MSO to SNA 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 MSO to SNA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Missoula to Santa Ana nonstop

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

See MSO to SNA on the interactive map →

Frequently asked questions about MSO to SNA

How far is Santa Ana from Missoula?
MSO to SNA covers about 936 miles nonstop. Flight times vary by aircraft and season; the interactive route map lists each scheduled departure with its own times.
Which airlines fly nonstop from MSO to SNA?
Allegiant Air is currently the only airline flying MSO to SNA nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the MSO to SNA schedule rather than a space claim.
How often does MSO to SNA operate?
The nonstop currently runs twice a week, on Allegiant Air. Thin schedules like this change by season, and an alert will catch anything added.
Does 2LNR show upgrade or award space on MSO to SNA?
Not on this route: none of Allegiant Air is a carrier 2LNR reads inventory for. The page carries the full MSO to SNA nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full MSO to SNA nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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