Cheap flights from Killeen to Ontario (GRK - ONT) from $174

Travelers have found that booking a Wednesday departure is the best way to save up to 35% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Ontario. Flights to Ontario from Killeen in February are about $454 on average during February, but can be found for as low as $175.

A simple way to save on the total cost of your ticket is to fly from Killeen to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the afternoon.

Some of our airline partners flying from Killeen Fort Hood Regional to Ontario have new flexible policies in place due to COVID-19. American Airlines is one of the carriers where you may find flexible change policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Yes, there are multiple flights from Killeen to Ontario for under $400. The cheapest flight booked recently is on American Airlines for just $397, but on average you can expect to pay $641.

There are currently 1+ open flights from Killeen to Ontario within the next 7 days for less than $800.

Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $397. American Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

While on average a flight from Killeen to Ontario is generally $267, our data shows the cheapest flight currently is $255. When looking at the most popular route, (Killeen Fort Hood Regional - Ontario), you can expect to pay $323 for that flight.

Great question - GRK to ONT just means Killeen Fort Hood Regional Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!