How much does a flight from Seattle to Ontario cost?+
The cheapest fare we're currently seeing from Seattle to Ontario is €98. The price calendar above shows how this varies by month.
Are there direct flights from Seattle to Ontario?+
SkyHopp includes both direct and connecting flights from Seattle to Ontario. You can filter to direct-only on the interactive map.
When is the cheapest time to fly from Seattle to Ontario?+
Prices typically dip during shoulder-season months and mid-week departures. Check the month-by-month price calendar above to pick the cheapest window for your dates.
Which airlines fly from Seattle to Ontario?+
Farera currently offers the lowest fare on this route at €98. Other carriers may also operate this route — click through to see the full list on the booking site.