Flights from Seattle - Tacoma Intl. Airport to Ontario Intl. Airport Airport | AARP Travel Center

Skip to main content

Stays
Flights
Cars
Vacation Packages
Things to do
Cruises

Support
My Trips
Members can access discounts and special features
- Login
- Create a free account

Flights from Seattle - Tacoma Intl. Airport to Ontario Intl. Airport Airport
Flights to Los Angeles
California
United States of America
North America
Flights
Expedia-AARP.com

Packages
Flights

Roundtrip
One-way
Multi-city

Travelers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

Economy Premium economy Business class First class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Popular Flights from Seattle - Tacoma Intl. Airport

Seattle to Phoenix (SEA - PHX)
Seattle to San Diego (SEA - SAN)
Seattle to Honolulu (SEA - HNL)
Seattle to Denver (SEA - DEN)
Seattle to Washington (SEA - IAD)
Seattle to Dallas (SEA - DAL)
Seattle to New York (SEA - JFK)
Seattle to Rome (SEA - FCO)
Seattle to Dallas (SEA - DFW)
Seattle to Nashville (SEA - BNA)
Seattle to Montego Bay (SEA - MBJ)
Seattle to Anchorage (SEA - ANC)
Seattle to San José (SEA - SJO)
Seattle to Hobbs (SEA - HOB)
Seattle to Carlsbad (SEA - CLD)
Seattle to San Francisco (SEA - SFO)
Seattle to Las Vegas (SEA - LAS)

Top Flight Routes to Ontario Intl. Airport

PHX to ONT
EWR to ONT
TPA to ONT
COS to ONT
OKC to ONT
LGA to ONT
JFK to ONT
ABQ to ONT
IAH to ONT
TUS to ONT

Top Airlines Operating at Seattle - Tacoma Intl. Airport

Frontier Airlines
American Airlines
Alaska Airlines
Delta
United

Popular Destinations

Flights to Los Angeles
Flights to Anaheim
Flights to Irvine
Flights to Ontario
Flights to Pasadena
Flights to Garden Grove
Flights to Santa Ana
Flights to Costa Mesa
Flights to Riverside
Flights to Buena Park

Plan Your Trip

Flights to Los Angeles

Los Angeles Hotels

Los Angeles Car Rentals

Los Angeles Vacations

Policies

Privacy Policy
Terms of use
Cookie Statement
Website Feedback
Your privacy choices

† More information about the $50 gift card with flight package benefit may be found at: https://www.expedia-aarp.com/lp/b/vacationpackages50prepaid

English Copyright 1995 - 2026. All rights reserved. Use of this Web site constitutes acceptance of the Expedia User Agreement and Privacy Policy. AARP and its affiliates do not provide retail goods or services or discounts on such goods or services. All goods or services and discounts offered via the AARP® Travel Center powered by Expedia®, are provided by third-party suppliers. AARP and its affiliates do not endorse and are not responsible for the goods or services and discounts made available on this site. Offers are subject to change and may have restrictions. Please contact the AARP Travel Center directly for full details. Expedia pays a royalty fee to AARP for the use of AARP's intellectual property. These fees are used for the general purposes of AARP.

86c2cd5c-59b9-4c9e-8625-4de92aaef77c67510aba-0122-4e80-b82a-13130ebcfd51