Direct flights from Seattle to Ontario (SEA → ONT)

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

Destination overview

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

Tips for Seattle to Ontario

  • Book 6-8 weeks ahead for the best fares on the SEA to ONT 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 SEA All flights from ONT