Photo by Ontario Convention & Visitors Bureau / Jon Edwards.

$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 $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$183 Roundtrip, found 1 day ago
$183
Roundtrip
found 1 day ago

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago

Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
ONT
Ontario
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Travel information
Origin airport | Seattle - Tacoma Intl. |
---|---|
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United |
Popular airline | Delta |
Distance | 1530 km |
Average flight time | 2 hours 41 mins |
Explore a world of travel with Expedia
Most Popular United Routes from Seattle
Most Popular United Routes from Ontario
- Minneapolis to Little Rock (MSP - LIT)
- Portland to Houston (PDX - IAH)
- Hartford to Williston (BDL - XWA)
- Raleigh to Dayton (RDU - DAY)
- Greensboro to Kansas City (GSO - MCI)
- San Antonio to San Salvador (SAT - SAL)
- Myrtle Beach to Denver (MYR - DEN)
- Kansas City to Nuremberg (MCI - NUE)
- Portland to Las Vegas (PWM - LAS)
- Asheville to Austin (AVL - AUS)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- Kansas City to Nuremberg (MCI - NUE)
- San Antonio to San Salvador (SAT - SAL)
- Raleigh to Dayton (RDU - DAY)
- Grand Junction to Tampa (GJT - TPA)
- Minneapolis to Little Rock (MSP - LIT)
- Bismarck to Washington (BIS - IAD)
- Detroit to Anchorage (DTW - ANC)
- Myrtle Beach to Denver (MYR - DEN)
- New York to Charleston (LGA - CHS)
- Grand Junction to Tampa (GJT - TPA)