Question 1

How long is the flight from Seattle to Ontario?

Accepted Answer

The flight from Seattle–Tacoma International Airport (SEA) to Ontario International Airport (ONT) covers 1,540 km and takes approximately 2h 13m. Actual duration varies by airline, routing, and wind conditions — check individual flight listings for scheduled times.

Question 2

Which airlines fly from Seattle to Ontario?

Accepted Answer

There are 2 airlines operating the SEA–ONT route. Use the TrackMyWings app to compare schedules, prices, and on-time performance across all carriers on this route.

Question 3

What is the best airline from Seattle to Ontario?

Accepted Answer

The best airline on the SEA–ONT route depends on your priorities — price, on-time performance, cabin experience, or loyalty miles. TrackMyWings tracks real-time on-time data for all 2 carriers on this route so you can make an informed choice.

Question 4

How often do flights operate from Seattle to Ontario?

Accepted Answer

The SEA–ONT route is served by 2 airlines, with combined daily frequency varying by season. Check the TrackMyWings schedule view for live departure listings and to find the next available flight from Seattle to Ontario.

Flight	Airline	Dep Time	Arr Time	Status
AA 2471	American Airlines	08:00	14:00	Scheduled
AS 1013	Alaska Airlines	08:00	14:00	Scheduled

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Seattle (SEA) to Ontario (ONT) Flights

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