Flights from Ontario to Seattle
Every non-stop option between the Ontario area and the Seattle area: airlines, airport pairs, estimated fares and flight times. Launch a full door-to-door search to add ground transport on both sides, one-stop alternatives and an AI recommendation.
Estimated price
from €227
Flight time
≈ 2h 41m
Distance
1540 km
Airlines
2
Free — includes trains, taxis and buses to the airports, plus connecting flights.
Airlines flying Ontario → Seattle non-stop
Airport pairs served
| Route | Airlines | Flight time | Estimated price |
|---|---|---|---|
| ONT → SEA | 2 | ≈ 2h 41m | from €227 |
Prices are deterministic estimates based on distance, season and airline — final fares come from the booking partner.
Frequently asked questions
- Which airlines fly direct from Ontario to Seattle?
- 2 airline(s) operate non-stop flights between the Ontario area and the Seattle area, including American Airlines, Alaska Airlines.
- How much does a flight from Ontario to Seattle cost?
- Our estimates start at €227 for a one-way non-stop ticket. Real fares vary with the season, the day of the week and how early you book — Tuesdays and Wednesdays are usually cheapest.
- How long is the flight from Ontario to Seattle?
- The non-stop flight covers about 1540 km and takes approximately 2h 41m, depending on the exact airport pair and winds.
- What is the fastest door-to-door option?
- It depends on which airports you can reach easily. AirportFusion compares every airport around your exact address — including trains, taxis and buses on both sides — and recommends the best complete itinerary.
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