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Alaska nonstop flights from Ontario

6 nonstop destinations on Alaska out of ONT — 13% of everything that departs. Zero layovers, zero connections.

6
Nonstop cities
13%
of ONT departures
75
Flights / week
ONT
Your origin

Where Alaska can take you

Dashed arcs = Alaska nonstop routes from ONT · updates with the day filter
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All nonstop destinations from Ontario (ONT) every airline, not just Alaska

Everywhere Alaska flies 137 airports

Alaska flight numbers from Ontario (ONT)

Each one's timetable, usual aircraft and how it ran in our sample.

AS270 to Honolulu AS544 to Portland AS575 to Seattle AS607 to Seattle AS475 to Seattle AS592 to Seattle All 691 Alaska flight numbers →

Where can you fly nonstop on Alaska from Ontario (ONT)?

Alaska flies 6 nonstop routes from Ontario International Airport (ONT), around 75 departures a week — 13% of everything leaving ONT.

Its busiest is Ontario to Seattle at 23 Alaska flights a week. 4 of these 6 destinations have no other nonstop operator from ONT, so Alaska is the only way to reach them without a connection.

Use the day filter above to see which Alaska routes fly on the day you want to travel. Route data updated November 2026 from observed departures.

Frequencies shown are Alaska's own departures, counted from observed schedules. Schedules change — always confirm with the airline before booking.