Flight distance from Seattle to Ontario in miles and km Show
🧭 Distance
Air distance from Seattle to Ontario is 955 miles (1,538 kilometers).
Use our calculator below to find out the how many reward miles you can get for this flight.
⏱ Flight time
Estimated flight time from Seattle to Ontario is 2 hours 13 minutes. Return flight is 2 hours 21 minutes long.
🕐 Local time
There is no time difference between Los Angeles and New York.
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Final amount of award miles you get depends on booking class and program tier level.
Frequent Flyer Miles Calculator
You can expect to get 955 flight miles for a flight from Seattle to Ontario. However final amount of miles will depend on frequent flyer program rules, booking class and your level in program.
Airlines flying from Seattle to Ontario
Airports Information
Seattle
Seattle / Tacoma International (SEA)
| Telephone | (206) 787-5388 |
| IATA Code | SEA |
| City | Seattle |
| Country | United States |
| Address | 17801 International Blvd, Seattle, WA 98158 |
| Distance from SEA to ONT | 955 miles (1538 km) |
Seattle Boeing Fld (BFI)
| Telephone | (206) 296-7380 |
| IATA Code | BFI |
| City | Seattle |
| Country | United States |
| Address | 7277 Perimeter Rd S, Seattle, WA 98108 |
| Distance from BFI to ONT | 960 miles (1546 km) |
Seattle Lake Union SPB (LKE)
| Telephone | (866) 435-9524 |
| IATA Code | LKE |
| City | Seattle |
| Country | United States |
| Address | 6321 NE 175th St, Kenmore, WA 98028 |
| Distance from LKE to ONT | 967 miles (1557 km) |
Ontario
Ontario International (ONT)
| Telephone | (909) 544-5300 |
| IATA Code | ONT |
| City | Ontario |
| Country | United States |
| Address | Ontario, CA 91761 |
| Distance from ONT to SEA | 955 miles (1538 km) |
| Distance from ONT to BFI | 960 miles (1546 km) |
| Distance from ONT to LKE | 967 miles (1557 km) |