
Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- Frontier Airlines
Frontier Airlines
- Southwest Airlines
Southwest Airlines
- United
United
- American Airlines
American Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
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Cheap Flights from Ontario (ONT) to Seattle (SEA)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 1 Nov - Sat, 8 Nov
ONT
Ontario
SEA
Seattle
NZ$241 Return, found 1 day ago
NZ$241
Return
found 1 day ago

Thu, 6 Nov - Mon, 10 Nov
ONT
Ontario
SEA
Seattle
NZ$241 Return, found 1 day ago
NZ$241
Return
found 1 day ago

Mon, 3 Nov - Mon, 10 Nov
ONT
Ontario
SEA
Seattle
NZ$275 Return, found 1 day ago
NZ$275
Return
found 1 day ago

Sat, 1 Nov - Fri, 7 Nov
ONT
Ontario
SEA
Seattle
NZ$301 Return, found 1 day ago
NZ$301
Return
found 1 day ago

Tue, 4 Nov - Wed, 5 Nov
ONT
Ontario
SEA
Seattle
NZ$309 Return, found 1 day ago
NZ$309
Return
found 1 day ago

Tue, 4 Nov - Thu, 6 Nov
ONT
Ontario
SEA
Seattle
NZ$310 Return, found 1 day ago
NZ$310
Return
found 1 day ago

Mon, 3 Nov - Thu, 6 Nov
ONT
Ontario
SEA
Seattle
NZ$343 Return, found 1 day ago
NZ$343
Return
found 1 day ago

Sun, 2 Nov - Mon, 3 Nov
ONT
Ontario
SEA
Seattle
NZ$344 Return, found 1 day ago
NZ$344
Return
found 1 day ago

Thu, 6 Nov - Fri, 7 Nov
ONT
Ontario
SEA
Seattle
NZ$370 Return, found 1 day ago
NZ$370
Return
found 1 day ago

Sun, 2 Nov - Fri, 7 Nov
ONT
Ontario
SEA
Seattle
NZ$404 Return, found 1 day ago
NZ$404
Return
found 1 day ago
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, Delta, Hawaiian Airlines |
Return price | NZ$240 |
Distance | 1530 km |
Average flight time | 3 hours 10 mins |
Perfect flights from Ontario to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Los Angeles - Ontario Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$283 and roundtrip prices from NZ$241. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
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Top Routes from Ontario
Top Routes to Seattle
- Auckland to Seattle (AKL - SEA)
- Miami to Seattle (MIA - SEA)
- Kelowna to Seattle (YLW - SEA)
- Fort Lauderdale to Seattle (FLL - SEA)
- Honolulu to Seattle (HNL - SEA)
- San Jose to Seattle (SJC - SEA)
- New York to Seattle (JFK - SEA)
- Dunedin to Seattle (DUD - SEA)
- Wellington to Seattle (WLG - SEA)
- London to Seattle (LHR - SEA)
- Oakland to Seattle (OAK - SEA)
- Atlanta to Seattle (ATL - SEA)
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to San Francisco
- Flights to Los Angeles
- Flights to San Diego
- Flights to Houston
- Flights to Boston
- Flights to Miami
- Flights to Nashville
- Flights to Atlanta
- Flights to Gatlinburg
- Flights to San Antonio
- Flights to Honolulu
- Flights to Austin
- Flights to New Orleans
- Flights to Myrtle Beach
- Flights to Seattle
- Flights to Anaheim
Related Carriers
Ontario Airports
Los Angeles
NZ$305.70
Orange County
NZ$340.10
Burbank
NZ$789.80
Alternative Routes
- San Bernardino Intl. Airport (SBD)
- Fullerton Municipal Airport (FUL)
- John Wayne Airport (SNA)
- Long Beach Municipal Airport (LGB)
- French Valley Airport (RBK)
- Hawthorne Municipal Airport (HHR)
- Hollywood Burbank Airport (BUR)
- Los Angeles Intl. Airport (LAX)
- General William J. Fox Airfield Airport (WJF)
- Palmdale Regional Airport (PMD)
Expedia's Latest Trends
Flights
- Boston to Auckland (BOS - AKL)
- Auckland to Dallas (AKL - DFW)
- Wellington to Los Angeles (WLG - LAX)
- Auckland to Las Vegas (AKL - LAS)
- Auckland to New York (AKL - NYC)
- Christchurch to Los Angeles (CHC - LAX)
- Auckland to Anchorage (AKL - ANC)
- Los Angeles to London (LAX - LHR)
- San Francisco to New York (SFO - JFK)
- Nadi to Los Angeles (NAN - LAX)
- Los Angeles to Auckland (LAX - AKL)
- Christchurch to San Francisco (CHC - SFO)
- London to New York (LON - NYC)
- Auckland to Los Angeles (AKL - LAX)
- Auckland to San Diego (AKL - SAN)
- San Francisco to London (SFO - LHR)
- Honolulu to Los Angeles (HNL - LAX)
- New York to Los Angeles (NYC - LAX)
- Los Angeles to New York (LAX - JFK)
- Los Angeles to San Francisco (LAX - SFO)
- Los Angeles to Honolulu (LAX - HNL)
- Los Angeles to Mexico City (LAX - MEX)
- San Francisco to Las Vegas (SFO - LAS)
- Auckland to San Francisco (AKL - SFO)
- Dallas to Auckland (DFW - AKL)
- San Francisco to Auckland (SFO - AKL)
- Auckland to Boston (AKL - BOS)
- Las Vegas to Los Angeles (LAS - LAX)
- San Francisco to Los Angeles (SFO - LAX)
- Los Angeles to Las Vegas (LAX - LAS)
*Available to Expedia members.