SEAONT
Seattle (Seattle-Tacoma International Airport) to Ontario (Ontario International Airport).
Plan this routeAt a glance
| Est. flight time | Distance | Frequency | Type |
|---|---|---|---|
| ~2h 34m Estimated from great-circle distance — no tracked flights yet. | 957 mi | 8-9/day | Domestic |
Airlines on this route
Airlines flying SEA to ONT
Scheduled service data shows 8-9/day from SEA to ONT across 4 airlines.
- First departure
- 03:30
- Last departure
- 21:22
- Cadence
- ~hourly
- Daily departures
- 19
| Airline | Daily frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 4-5/day | Boeing 737 · Seat map | 08:3008:3310:25 |
Aircraft on this route
Flying the other way?
ONT to SEA flights — 8-9/day on 4 airlines →Route FAQ
How long is the flight from SEA to ONT?
The SEA to ONT flight is typically scheduled at about 2h 34m.
How far is SEA from ONT?
SEA to ONT is about 957 miles by air.
Which airlines fly from SEA to ONT?
Alaska Airlines, Delta Air Lines, Frontier Airlines, ATI fly the SEA to ONT route in our route data.
What aircraft fly from SEA to ONT?
Aircraft observed or commonly scheduled on SEA to ONT include Airbus A320 family, Boeing 737, Boeing 767, Embraer E-Jet.