Airlines that fly from Los Angeles - Ontario Intl. Airport (ONT) to Seattle-Tacoma International Airport (SEA)
- ScootScoot
- AirAsiaAirAsia
- Jetstar AsiaJetstar Asia
- Thai AirAsiaThai AirAsia
- Indonesia AirAsiaIndonesia AirAsia
- Singapore AirlinesSingapore Airlines
- China Eastern AirlinesChina Eastern Airlines
- Japan AirlinesJapan Airlines
- Cathay PacificCathay Pacific
- Air ChinaAir China
- Malaysia AirlinesMalaysia Airlines
- Qantas AirwaysQantas Airways
- British AirwaysBritish Airways
- IndiGoIndiGo
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Cheap Flights from Ontario to Seattle (ONT-SEA)
Prices were available within the past 7 days and start at S$227 for one-way flights and S$178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, 1 Feb - Sat, 1 Feb
ONT
Ontario
SEA
Seattle
S$178 Return, found 4 days ago
S$178
Return
found 4 days ago
Fri, 31 Jan - Fri, 31 Jan
ONT
Ontario
SEA
Seattle
S$232 Return, found 4 days ago
S$232
Return
found 4 days ago
Mon, 27 Jan - Fri, 31 Jan
ONT
Ontario
SEA
Seattle
S$239 Return, found 4 days ago
S$239
Return
found 4 days ago
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Seattle - Tacoma Intl. |
Return price | S$178 |
Distance | 1530 km |
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. 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$227 and roundtrip prices from S$178*.
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.
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Popular flights to Seattle
- Shanghai to Seattle (PVG - SEA)
- Cebu to Seattle (CEB - SEA)
- Newark Liberty Intl. Airport to Seattle (EWR - SEA)
- Calgary to Seattle (YYC - SEA)
- Bangkok to Seattle (BKK - SEA)
- Taipei to Seattle (TSA - SEA)
- Washington to Seattle (DCA - SEA)
- Kuala Lumpur to Seattle (KUL - SEA)
- Jakarta to Seattle (CGK - SEA)
- Dallas to Seattle (DAL - SEA)
- New York to Seattle (JFK - SEA)
- Dubai to Seattle (DXB - SEA)
Popular flights from Ontario
Top Flight Destinations Near Here
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Ontario Airports
Los Angeles
S$150.60
Orange County
S$185.10
Burbank
S$272.20
Nearby Airports
Flights
San Francisco to Grand Canyon (SFO - GCN)Los Angeles to Baltimore (LAX - BWI)Boston to San Francisco (BOS - SFO)Kelowna to Los Angeles (YLW - LAX)San Francisco to Los Angeles (SFO - LAX)Pittsburgh to Newark Liberty Intl. Airport (PIT - EWR)Singapore to Philadelphia (SIN - PHL)San Francisco to Vancouver (SFO - YVR)San Francisco to Chicago (SFO - ORD)San Francisco to New York (SFO - JFK)San Diego to Las Vegas (SAN - LAS)Los Angeles to Honolulu (LAX - HNL)Boston to Singapore (BOS - SIN)Los Angeles to San Francisco (LAX - SFO)New York to Cancun (NYC - CUN)Singapore to Los Angeles (SIN - LAX)Singapore to Boston (SIN - BOS)San Francisco to Las Vegas (SFO - LAS)Singapore to Dallas (SIN - DFW)San Francisco to Seattle (SFO - SEA)Newark Liberty Intl. Airport to San Francisco (EWR - SFO)Los Angeles to Singapore (LAX - SIN)San Francisco to Singapore (SFO - SIN)Los Angeles to Las Vegas (LAX - LAS)Singapore to San Francisco (SIN - SFO)Los Angeles to New York (LAX - NYC)Phoenix to Los Angeles (PHX - LAX)Singapore to San Diego (SIN - SAN)Singapore to Las Vegas (SIN - LAS)Singapore to Cleveland (SIN - CLE)
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