They have flights to Ontario California

Visit the Google Flights site.

"The spacious LA / Ontario International Airport (ONT) is a full service airport with a mid-size hub with daily flights to and from major cities in the US and connecting service to many international destinations. AeroMexico, Alaska, American, Delta, Southwest, United / United Express and US Airways. " From here your flights could be from Moline to Denver, Denver to Ontario, CA, on United. Or, on American Airlines, you can fly Moline to Dallas, Dallas to Ontario, CA. On Delta, you can fly Moline to Detroit, to Ontario, CA as an example. A connection through Minneapolis shows that you would also have a second connection in Salt Lake City, if you choose that route. I would recommend that you contact a local travel agent for assistance. Or, all 800 airline reservation numbers will have a Spanish-speaking customer service representative. Please forgive us if the translation was not good, we used Google Translate. -C.R.

yes they do, the round trip to Los Angeles costs about $ 1300 via United