Lowcost flights from Ontario (United States) to Seattle (United States), €39 - €156

Direct distance between cities: 1558 km. Average direct flight time is 2:49 hours.

Please note! Some routes are seasonal.

From Ontario to Seattle with Frontier Airlines (F9)
Average ticket price: €39 - €156

Connection in Chicago (United States)
From Ontario to Chicago with Southwest Airlines (WN)
Average ticket price: €69 - €276
From Chicago to Seattle with Southwest Airlines (WN)
From Chicago to Seattle with Fly Lili (FL)
Average ticket price: €70 - €279
Connection in Dallas (United States)
From Ontario to Dallas with Frontier Airlines (F9)
From Ontario to Dallas with Southwest Airlines (WN)
From Ontario to Dallas with Level (IB)
Average ticket price: €48 - €194
From Dallas to Seattle with Gol Transportes Aéreos (G3)
From Dallas to Seattle with Frontier Airlines (F9)
From Dallas to Seattle with Fly Lili (FL)
From Dallas to Seattle with Level (IB)
Average ticket price: €68 - €270
Connection in Denver (United States)
From Ontario to Denver with Frontier Airlines (F9)
From Ontario to Denver with Southwest Airlines (WN)
From Ontario to Denver with Fly Lili (FL)
Average ticket price: €32 - €129
From Denver to Seattle with Frontier Airlines (F9)
From Denver to Seattle with Southwest Airlines (WN)
Average ticket price: €41 - €164
Connection in Guadalajara (Mexico)
From Ontario to Guadalajara with Volaris (Y4)
From Ontario to Guadalajara with Frontier Airlines (F9)
Average ticket price: €52 - €206
From Guadalajara to Seattle with Volaris (Y4)
From Guadalajara to Seattle with Frontier Airlines (F9)
Average ticket price: €87 - €346
Connection in Houston (United States)
From Ontario to Houston with Frontier Airlines (F9)
From Ontario to Houston with Southwest Airlines (WN)
Average ticket price: €54 - €215
From Houston to Seattle with Sun Country Airlines (SY)
Average ticket price: €76 - €304
Connection in Las Vegas (United States)
From Ontario to Las Vegas with Frontier Airlines (F9)
From Ontario to Las Vegas with Southwest Airlines (WN)
From Ontario to Las Vegas with Fly Lili (FL)
Average ticket price: €8 - €32
From Las Vegas to Seattle with Frontier Airlines (F9)
From Las Vegas to Seattle with Southwest Airlines (WN)
From Las Vegas to Seattle with Spirit Airlines (NK)
From Las Vegas to Seattle with Fly Lili (FL)
Average ticket price: €35 - €141
Connection in Oakland (United States)
From Ontario to Oakland with Southwest Airlines (WN)
Average ticket price: €15 - €59
From Oakland to Seattle with Southwest Airlines (WN)
Average ticket price: €27 - €109
Connection in Phoenix (United States)
From Ontario to Phoenix with Southwest Airlines (WN)
Average ticket price: €13 - €52
From Phoenix to Seattle with Frontier Airlines (F9)
From Phoenix to Seattle with Southwest Airlines (WN)
From Phoenix to Seattle with Fly Arna (G6)
Average ticket price: €45 - €179
Connection in Pullman (United States)
From Ontario to Pullman with Sun Country Airlines (SY)
Average ticket price: €35 - €141
From Pullman to Seattle with Sun Country Airlines (SY)
Average ticket price: €10 - €41
Connection in Sacramento (United States)
From Ontario to Sacramento with Frontier Airlines (F9)
From Ontario to Sacramento with Southwest Airlines (WN)
Average ticket price: €15 - €61
From Sacramento to Seattle with Southwest Airlines (WN)
From Sacramento to Seattle with Fly Lili (FL)
Average ticket price: €25 - €101
Connection in San Francisco (United States)
From Ontario to San Francisco with Frontier Airlines (F9)
Average ticket price: €15 - €60
From San Francisco to Seattle with Level (IB)
Average ticket price: €27 - €109
Connection in San Jose (United States)
From Ontario to San Jose with Southwest Airlines (WN)
Average ticket price: €13 - €53
From San Jose to Seattle with Southwest Airlines (WN)
Average ticket price: €29 - €114
Connection in Seattle (United States)
From Ontario to Seattle with Frontier Airlines (F9)
Average ticket price: €39 - €156
From Seattle to Seattle with Sun Country Airlines (SY)
Average ticket price: €0 - €0