$89 Cheap United flights Seattle (SEA) to Ontario (ONT)
Prices were available within the past 7 days and start at $89 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Mon, May 12 - Tue, May 13
SEA
Seattle
ONT
Ontario
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United |
Popular airline | Delta |
Distance | 1530 km |
Most Popular United Routes from Seattle
Most Popular United Routes from Ontario
- Newark Liberty Intl. Airport to London (EWR - LHR)
- Newark Liberty Intl. Airport to Kansas City (EWR - MCI)
- Seattle to Rome (SEA - FCO)
- New York to Kansas City (LGA - MCI)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- Houston to Aguascalientes (IAH - AGU)
- Detroit to Sacramento (DTW - SMF)
- Portland to Washington (PWM - DCA)
- Fort Lauderdale to Barranquilla (FLL - BAQ)
- Phoenix to Charlotte (PHX - CLT)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- New York to Kansas City (LGA - MCI)
- Tampa to Phoenix (TPA - PHX)
- Washington to London (IAD - LHR)
- Newark Liberty Intl. Airport to Kansas City (EWR - MCI)
- Phoenix to Charlotte (PHX - CLT)
- Newark Liberty Intl. Airport to Columbus (EWR - CMH)
- Appleton to Knoxville (ATW - TYS)
- Idaho Falls to Columbus (IDA - CMH)
- Newark Liberty Intl. Airport to Kearney (EWR - EAR)
- Portland to Washington (PWM - DCA)