🇺🇸SeattleSEA🇺🇸OntarioONT

Direct + 4 connections

Alliance

≤ 25h 24m

4 routes

Direct Flight

SeattleOntario

ASAlaska Airlines

Delta Air Lines

2h 19m1,540 km40x/week

Route details Search Flights

Connecting flights

4 routes

1-stop connections via intermediate airports. Durations exclude layover.

🇺🇸

viaSan FranciscoSFO

2h 58m

1,678 km

🇺🇸

viaDallas-Fort WorthDFW

AAAS

6h 23m

4,576 km

🇺🇸

viaAtlantaATL

8h 42m

6,555 km

🇹🇼

viaTaoyuanTPE

JXCI

25h 24m

20,730 km

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🇺🇸All flights from Seattle 🇺🇸All flights from Ontario Ontario to Seattle

Flying from Seattle to Ontario

Looking for flights from Seattle (SEA) to Ontario (ONT)? DepartureMap shows you all available direct flights and 1-stop connecting options between these two cities.

There is a direct flight from Seattle to Ontario with an average flight time of 2h 19m, covering a distance of 1,540 km. This route is operated by Alaska Airlines, Delta Air Lines.

4 connecting routes are available with 1 stop, flying via airports such as San Francisco (SFO), Dallas-Fort Worth (DFW), Atlanta (ATL). Total flight times shown exclude layover time at the connecting airport.