$48 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 $48 One Way, $90 Round Trip from SeaTac to Ontario
Prices starting at $90 for return flights and $48 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
Dynasty Suites Redlands
Sep 6 - Sep 10
Seattle (SEA) to Ontario (ONT)
Ontario (ONT) to Seattle (SEA)
Reviewed on Nov 21, 2024
SpringHill Suites by Marriott Corona Riverside
Sep 6 - Sep 10
Seattle (SEA) to Ontario (ONT)
Ontario (ONT) to Seattle (SEA)
Reviewed on Apr 1, 2024
Ontario first class flight packages
Hotel Seville
Aug 25 - Aug 31
Seattle (SEA) to Ontario (ONT)
Reviewed on Jul 1, 2025
Yaamava’ Resort & Casino at San Manuel
Aug 25 - Aug 27
Seattle (SEA) to Ontario (ONT)
Reviewed on Jul 25, 2023
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 | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
SeaTac to Ontario
Great Deals on Flights From SeaTac to Ontario
Spend more of your time and money at Ontario instead of sitting at your computer, searching for discount SeaTac to Ontario flights. This is why Orbitz makes it easy for you to check out destinations, plan your trip, and book your air fare, hotel, car rental, and more in just one place. Our low price guarantee means that you get great deals on flights from SeaTac to Ontario.
Flights That Fit Your Budget
Traveling on a budget? Not to worry if you are using Orbitz. We monitor thousands of fares to make sure we show you the best air ticket prices available for your travel dates. Besides amazing prices on SeaTac to Ontario flights, we offer you great deals on hotels, vacation packages, and last-minute getaways for the perfect trip.
Orbitz customers can receive credit for frequent flyer miles and points. Simply provide your frequent flyer details when you book qualifying SeaTac to Ontario flights with Orbitz.
Search for Flights from SeaTac to Ontario on the Go
Orbitz offers free mobile apps for iPad, iPhone, and Android-based devices, so even the busiest trip-planner can research and book flights from SeaTac to Ontario. Find cheap SeaTac to Ontario flights, research local festivities and attractions, and book reservations while sitting in the salon. Orbitz will also update you on flight delays with free alerts sent to your mobile phone or email address, so you’re never left in the dark.
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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.