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Cheap Flights from Ontario to Seattle (ONT-SEA)
Prices were available within the past 7 days and start at S$120 for one-way flights and S$321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, 23 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$321 Return, found 6 days ago
S$321
Return
found 6 days ago
Thu, 23 May - Thu, 30 May
ONT
Ontario
SEA
Seattle
S$348 Return, found 6 days ago
S$348
Return
found 6 days ago
Thu, 23 May - Wed, 29 May
ONT
Ontario
SEA
Seattle
S$375 Return, found 6 days ago
S$375
Return
found 6 days ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$510 Return, found 10 hours ago
S$510
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$523 Return, found 10 hours ago
S$523
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$547 Return, found 10 hours ago
S$547
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$608 Return, found 10 hours ago
S$608
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$616 Return, found 10 hours ago
S$616
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$619 Return, found 10 hours ago
S$619
Return
found 10 hours ago
Tue, 28 May - Sat, 1 Jun
ONT
Ontario
SEA
Seattle
S$632 Return, found 10 hours ago
S$632
Return
found 10 hours ago
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Seattle - Tacoma Intl. |
Return price | S$320 |
Distance | 1530 km |
Average flight time | 2 hours 50 mins |
Perfect flights from Ontario to Seattle
Your Journey from Ontario to Seattle
Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
Choosing Your Ideal Flight
With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
Maximizing Value with Ontario to Seattle Flights
Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$120 and roundtrip prices from S$321*.
Pre-Flight Essentials
Ensure a smooth journey from Ontario to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
Experience the Vibrant Seattle
Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of Seattle. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
Added Convenience on Your Ontario to Seattle Flight
Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ontario to Seattle.
Beyond the Flight – Exploring Seattle
With Expedia, your adventure extends beyond the flight. Explore Seattle at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
Book Your Flight from Ontario to Seattle with Confidence
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ontario to Seattle with confidence. Book your travel arrangements with Expedia today.
*Note: Prices may vary based on availability and are subject to change.
Frequently asked questions
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Popular flights from Ontario
Popular flights to Seattle
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Popular flights from Ontario
Popular flights to Seattle
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Ontario Airports
Los Angeles
S$212.00
Burbank
S$775.30
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*Available to Expedia members.