Seattle to Ontario Distance
SEA to ONT · 1,540 km (957 mi)
Distance
1,540 km
Distance
957 mi
Est. Flight Time
2h 20m
Direction
SSE
Route Map
SEA → ONT
SEA → ONT
Track flight prices from Seattle to Ontario
Get notified when prices drop on this route. We scan fares daily — you book directly with the airline.
✓ Free forever
✓ 2-minute setup
✓ Book direct
Origin Airport
Airport Name
Seattle–Tacoma International Airport
IATA Code
SEA
ICAO Code
KSEA
City
Seattle
Country
United States
United States
Continent
North America
Coordinates
47.447943, -122.310276
Elevation
433 ft (132 m)
Destination Airport
Airport Name
Ontario International Airport
IATA Code
ONT
ICAO Code
KONT
City
Ontario
Country
United States
United States
Continent
North America
Coordinates
34.056, -117.600998
Elevation
944 ft (288 m)
Route Summary
Distance (km)
1,540 km
Distance (miles)
957 mi
Bearing
163.5°
Direction
SSE
Est. Flight Time
2h 20m
Fly for less
Get cheap flight alerts from Seattle to Ontario
We scan fares daily. You book directly with the airline. Free forever.
Get Started →