Lowcost flights from Seattle (United States) to Ontario (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 Seattle to Ontario with Frontier Airlines (F9)
Average ticket price: €39 - €156

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