
$67 Cheap flight deals from SeaTac (SEA) to Ontario (QLA)
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This Weekend's Flight Deals from SeaTac to Ontario
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $67 One Way, $119 Round Trip from SeaTac to Ontario
Prices starting at $119 for return flights and $67 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Ontario economy flight packages

Economy Inn - Ontario Airport/Chino
Nov 15 - Nov 19
Seattle (SEA) to Ontario (ONT)
Reviewed on Jun 21, 2025

Hampton Inn & Suites Ontario Rancho Cucamonga
Nov 15 - Nov 19
Seattle (SEA) to Ontario (ONT)
Reviewed on Aug 5, 2025

Ontario first class flight packages

Motel 6 Corona, CA
Nov 10 - Nov 14
Seattle (SEA) to Ontario (ONT)
Reviewed on Jul 12, 2025

Motel 6 Riverside, CA - South
Nov 10 - Nov 14
Seattle (SEA) to Ontario (ONT)
Reviewed on Nov 22, 2021

Motel 6 Chino, CA - Los Angeles Area
Nov 10 - Nov 14
Seattle (SEA) to Ontario (ONT)
Reviewed on Jun 18, 2025
More About Flying To Ontario from SeaTac
Route Information for Flights from SeaTac to Ontario
Origin Airport IATA Code | SEA |
---|---|
Destination Airport IATA Code | QLA |
Distance | 978 mi |
Direct Flight Airlines | American Airlines, KLM, Qatar Airways, JAL, Alaska Airlines, Southwest Airlines, Delta Air Lines, Hawaiian Airlines, Korean Air, WestJet, Virgin Atlantic |
Earliest Flight Arrival | 4:56PM UTC |
Latest Flight Arrival | 5:17AM UTC |
SeaTac to Ontario
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.