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Cheap Flights from Ontario to Seattle (ONT-SEA)
Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United |
Roundtrip price | $58 |
Distance | 956 mi |
Ontario to Seattle Flights
Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Ontario to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.
Bagging a cheap flight from Ontario to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.
With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from ONT to SEA today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!
If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is $29 now!
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Top Routes from Ontario
- Ontario to Phoenix (ONT - PHX)
- Ontario to Portland (ONT - PDX)
- Ontario to Honolulu (ONT - HNL)
- Ontario to New York (ONT - LGA)
- Ontario to Manila (ONT - MNL)
- Ontario to Salt Lake City (ONT - SLC)
- Ontario to Denver (ONT - DEN)
- Ontario to New York (ONT - JFK)
- Ontario to Guadalajara (ONT - GDL)
- Ontario to Dallas (ONT - DAL)
- Ontario to Houston (ONT - IAH)
- Ontario to Dallas (ONT - DFW)
Top Routes to Seattle
- Chicago to Seattle (ORD - SEA)
- Newark to Seattle (EWR - SEA)
- Phoenix to Seattle (PHX - SEA)
- San Diego to Seattle (SAN - SEA)
- Boston to Seattle (BOS - SEA)
- Minneapolis to Seattle (MSP - SEA)
- Denver to Seattle (DEN - SEA)
- Washington to Seattle (IAD - SEA)
- San Jose to Seattle (SJC - SEA)
- New York to Seattle (JFK - SEA)
- Dallas to Seattle (DAL - SEA)
- Houston to Seattle (IAH - SEA)
Top Routes from Ontario
- Frontier Airlines Ontario to Portland
- Hawaiian Airlines Ontario to Honolulu
- China Airlines Ontario to Manila
- Frontier Airlines Ontario to Denver
- JetBlue Airways Ontario to New York
- Volaris Ontario to Guadalajara
- Frontier Airlines Ontario to Houston
- Frontier Airlines Ontario to Dallas
- American Airlines Ontario to Nashville
- Frontier Airlines Ontario to Orlando
Top Routes to Seattle
- Alaska Airlines Chicago to Seattle
- Alaska Airlines Newark to Seattle
- Alaska Airlines Phoenix to Seattle
- Alaska Airlines San Diego to Seattle
- Alaska Airlines Boston to Seattle
- Alaska Airlines Minneapolis to Seattle
- Alaska Airlines Denver to Seattle
- Alaska Airlines Washington to Seattle
- Alaska Airlines San Jose to Seattle
- Alaska Airlines New York to Seattle
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Seattle Paine Field Intl. Airport
Los Angeles
Orange County
Burbank
Long Beach
Nearby Airports
- 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)