Direct flights from Ontario to Seattle (ONT → SEA)

Distance 1,540 km (957 mi)
Est. duration 1h 49m
ONT
Ontario
Ontario International Airport, USA
SEA
Seattle
Seattle Tacoma International, USA

Destination overview

📍
Destination
Seattle, USA
🌍
Continent
north-america
✈️
Airlines
3 on this route

Tips for Ontario to Seattle

  • Book 6-8 weeks ahead for the best fares on the ONT to SEA route.
  • Tuesday and Wednesday departures are typically 15-20% cheaper.
  • Compare 3 airlines on this route: AS, DL, F9.
  • Check visa requirements for your destination well in advance.
Route details All flights from ONT All flights from SEA