$84 Cheap flight deals from Seattle (SEA) to Adelanto (ONT)
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This Weekend's Flight Deals from Seattle to Adelanto
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 $84 One Way, $149 Round Trip from Seattle to Adelanto
Prices starting at $149 for return flights and $84 for one-way flights to Adelanto were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Adelanto economy flight packages
Economy Inn - Ontario Airport/Chino
Jul 24 - Jul 27
Seattle (SEA) to Ontario (ONT)
Reviewed on Jun 21, 2025
Hotel Seville
Jul 24 - Jul 27
Seattle (SEA) to Ontario (ONT)
Reviewed on Jun 9, 2025
More About Flying To Adelanto from Seattle
Route Information for Flights from Seattle to Adelanto
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | ONT |
Distance | 956 mi |
Direct Flight Airlines | KLM, Qatar Airways, JAL, Alaska Airlines, Frontier Airlines, SAS, Delta Air Lines, Hawaiian Airlines, Korean Air, WestJet, United Airlines, Virgin Atlantic |
Earliest Flight Arrival | 5:25PM UTC |
Latest Flight Arrival | 7:13AM UTC |
Seattle to Adelanto
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Adelanto Airports
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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.