Cheap flights from Oklahoma to Los Angeles from $80

In general, July is the cheapest month to fly from Oklahoma to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $266. If you aren’t able to travel during the month of July, then book flights to Ontario from Oklahoma during August instead. Flights to Ontario in August, while not as cheap as those in July, still average around $266.

You are more likely to see cheaper flights to Ontario from Oklahoma when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Oklahoma for as low as $238 on momondo.

Frontier, Southwest, and Delta are the most popular carriers operating from Oklahoma to Ontario

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Ontario from Oklahoma according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

The number of flights available between Oklahoma and Ontario is 82 per week as of March 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

Average flight duration from Oklahoma to Ontario depends on which airport you fly into and out of. Flying from Oklahoma City to Los Angeles is 3h 09m on average, while flying from Tulsa to Los Angeles is 3h 34m on average. Los Angeles is the most popular airport in Ontario.