Denver - Ontario7 daysTue 31 MarDEN-ONT· DirectFrontier AirlinesTue 07 AprONT-DEN· DirectFrontier Airlinesfrom47 USD
Phoenix - Ontario6 daysWed 18 MarPHX-ONT· DirectAmerican AirlinesTue 24 MarONT-PHX· DirectAmerican Airlinesfrom97 USD
San Francisco - Ontario13 daysWed 18 MarSFO-ONT· DirectUnited AirlinesTue 31 MarONT-SFO· DirectUnited Airlinesfrom157 USD
Portland - Ontario7 daysTue 31 MarPDX-ONT· DirectAlaska AirlinesTue 07 AprONT-PDX· DirectAlaska Airlinesfrom157 USD
Seattle - Ontario7 daysSat 18 AprSEA-ONT· DirectAlaska AirlinesSat 25 AprONT-SEA· DirectAlaska Airlinesfrom157 USD
Pasco - Ontario1 daysTue 14 AprPSC-ONT· 1 stopDelta Air LinesWed 15 AprONT-PSC· 1 stopDelta Air Linesfrom196 USD
Raleigh - Ontario3 daysThu 16 AprRDU-ONT· 1 stopFrontier AirlinesMon 20 AprONT-RDU· 1 stopFrontier Airlinesfrom203 USD
Chicago - Ontario3 daysSun 22 FebORD-ONT· 1 stopFrontier AirlinesThu 26 FebONT-ORD· 1 stopFrontier Airlinesfrom214 USD
Boise - Ontario17 daysSat 21 MarBOI-ONT· DirectAlaska AirlinesTue 07 AprONT-BOI· 1 stopAlaska Airlinesfrom217 USD
Dallas - Ontario15 daysTue 24 FebDFW-ONT· 1 stopAlaska AirlinesWed 11 MarONT-DFW· 1 stopAlaska Airlinesfrom273 USD
Idaho Falls - Ontario6 daysWed 04 MarIDA-ONT· 1 stopUnited AirlinesTue 10 MarONT-IDA· 1 stopUnited Airlinesfrom286 USD
Salt Lake City - Ontario20 daysWed 04 MarSLC-ONT· 1 stopAlaska AirlinesTue 24 MarONT-SLC· 1 stopAlaska Airlinesfrom290 USD
Rogers - Ontario7 daysTue 22 SepXNA-ONT· 1 stopAmerican AirlinesTue 29 SepONT-XNA· 1 stopAmerican Airlinesfrom291 USD
Las Vegas - Ontario6 daysSat 04 JulLAS-ONT· 1 stopUnited AirlinesFri 10 JulONT-LAS· 1 stopUnited Airlinesfrom307 USD
Tucson - Ontario4 daysWed 13 MayTUS-ONT· 1 stopDelta Air LinesSun 17 MayONT-TUS· 1 stopDelta Air Linesfrom314 USD
Honolulu - Ontario10 daysWed 29 AprHNL-ONT· DirectAlaska AirlinesSat 09 MayONT-HNL· DirectAlaska Airlinesfrom346 USD
Sacramento - Ontario15 daysSat 11 AprSMF-ONT· 1 stopUnited AirlinesSun 26 AprONT-SMF· 1 stopUnited Airlinesfrom359 USD
Houston - Ontario3 daysSat 04 AprIAH-ONT· DirectUnited AirlinesTue 07 AprONT-IAH· DirectUnited Airlinesfrom390 USD
Knoxville - Ontario6 daysWed 01 AprTYS-ONT· 1 stopAmerican AirlinesTue 07 AprONT-TYS· 1 stopAmerican Airlinesfrom408 USD
San Antonio - Ontario5 daysThu 07 MaySAT-ONT· 1 stopAmerican AirlinesTue 12 MayONT-SAT· 1 stopAmerican Airlinesfrom426 USD