Question : Is there another local airport that can get you to Cedar Rapids?
Answer : Try searching for flights from John Wayne Airport (SNA) as well. Over the next few months, flights from SNA to CID are being booked 11% cheaper than flights from ONT to CID. Being only 30 miles away, it's easily accessible for most.
Question : How long are most people's visits to Cedar Rapids when they fly in from Ontario?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.
Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Monday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : How often are prices changing for this route?
Answer : Prices for ONT to CID do change much more than most routes. The further out you book a route, the more likely you are to save.