San Diego - Phoenix4 daysSun 01 MarSAN-PHX· DirectFrontier AirlinesThu 05 MarPHX-SAN· DirectFrontier Airlinesfrom46 USD
Phoenix - San Diego2 daysTue 03 MarPHX-SAN· DirectFrontier AirlinesThu 05 MarSAN-PHX· DirectFrontier Airlinesfrom46 USD
Denver - Ontario6 daysWed 22 AprDEN-ONT· DirectFrontier AirlinesTue 28 AprONT-DEN· DirectFrontier Airlinesfrom47 USD
San Diego - Denver1 daysSat 28 FebSAN-DEN· DirectFrontier AirlinesSun 01 MarDEN-SAN· DirectFrontier Airlinesfrom47 USD
Denver - San Diego2 daysSat 28 FebDEN-SAN· DirectFrontier AirlinesMon 02 MarSAN-DEN· DirectFrontier Airlinesfrom47 USD
San Francisco - Las Vegas4 daysSat 28 FebSFO-LAS· DirectFrontier AirlinesWed 04 MarLAS-SFO· DirectFrontier Airlinesfrom47 USD
Salt Lake City - Denver4 daysTue 03 MarSLC-DEN· DirectFrontier AirlinesSat 07 MarDEN-SLC· DirectFrontier Airlinesfrom47 USD
Las Vegas - San Francisco6 daysWed 04 MarLAS-SFO· DirectFrontier AirlinesTue 10 MarSFO-LAS· DirectFrontier Airlinesfrom47 USD
Denver - Salt Lake City5 daysWed 04 MarDEN-SLC· DirectFrontier AirlinesMon 09 MarSLC-DEN· DirectFrontier Airlinesfrom47 USD
Baltimore - Atlanta4 daysSat 07 MarBWI-ATL· DirectFrontier AirlinesWed 11 MarATL-BWI· DirectFrontier Airlinesfrom47 USD
Denver - Dallas4 daysSat 07 MarDEN-DFW· DirectFrontier AirlinesWed 11 MarDFW-DEN· DirectFrontier Airlinesfrom47 USD
Chicago - Atlanta4 daysSat 07 MarORD-ATL· DirectFrontier AirlinesWed 11 MarATL-ORD· DirectFrontier Airlinesfrom47 USD
Dallas - Denver3 daysSat 07 MarDFW-DEN· DirectFrontier AirlinesTue 10 MarDEN-DFW· DirectFrontier Airlinesfrom47 USD
Atlanta - Chicago3 daysSat 07 MarATL-ORD· DirectFrontier AirlinesTue 10 MarORD-ATL· DirectFrontier Airlinesfrom47 USD
Las Vegas - Denver1 daysTue 10 MarLAS-DEN· DirectFrontier AirlinesWed 11 MarDEN-LAS· DirectFrontier Airlinesfrom47 USD
Denver - Las Vegas1 daysTue 10 MarDEN-LAS· DirectFrontier AirlinesWed 11 MarLAS-DEN· DirectFrontier Airlinesfrom47 USD
Atlanta - Denver1 daysTue 10 MarATL-DEN· DirectFrontier AirlinesWed 11 MarDEN-ATL· DirectFrontier Airlinesfrom47 USD
Phoenix - Denver7 daysTue 31 MarPHX-DEN· DirectFrontier AirlinesTue 07 AprDEN-PHX· DirectFrontier Airlinesfrom47 USD
Denver - Phoenix6 daysWed 01 AprDEN-PHX· DirectFrontier AirlinesTue 07 AprPHX-DEN· DirectFrontier Airlinesfrom47 USD
Los Angeles - Denver1 daysTue 14 AprLAX-DEN· DirectFrontier AirlinesWed 15 AprDEN-LAX· DirectFrontier Airlinesfrom47 USD