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Airline Toll-Free Numbers and Websites.

Each month there are several airlines that offer direct flights from Killeen (GRK) to Ontario (ONT). Among the top airlines that consistently provide GRK to ONT flights include: American Airlines - (AA) with 90 direct flights between Killeen and Ontario monthly; United Airlines - (UA) with 30 direct flights between GRK and ONT monthly.

Air Canada Refund and Cancellation Policy. If you’d like to request a refund or cancel a flight or service, we’re here to help. Please choose the period which applies to your ticket: Ticket with travel dates up to and including January 31, Ticket with travel dates on or after February 1, and purchased before April 13, If your travel plans change, find options to cancel your ticket prior to departure, or apply for a refund if your ticket is refundable.

Additionally, find details about Hour Risk-Free Cancellation, Go to footer note, if you booked your flight within the last 24 ticketland.buzz Cabin tickets and higher that are canceled prior to departure will retain the value of the ticket.

Book one-way or return flights from Killeen to Ontario with no change fee on selected flights. Earn double with airline miles + Expedia Rewards points! To get lowest flight ticket prices on Killeen - (ONT) Ontario, Ontario International Airport - compare more dates: start again with comparison and book much cheaper airline ticket.

During holiday seasons, like Thanksgiving, Christmas, New Year, Independence Day and Memorial Day, book flights from Killeen to (ONT) Ontario, Ontario International.

Kenmore Air.

Compare & reserve one-way or return flights from Killeen to Ontario fromonly to get the best flight deals and promotions for your GRK to ONT trip! Premier Access benefits. Credit and prepaid cards. Gift certificates. United Vacations. Gift registry. United Club and lounges. ticketland.buzz Club. Travel for groups & meetings. Travel for U.S. military & government personnel. American Airlines Flights from Killeen (GRK) to Ontario (ONT) from.

With 2 different airlines operating flights between Killeen and Ontario, there are, on average, flights per month.

As COVID disrupts travel, a few airlines are offering WAIVING CHANGE FEE for new bookings. Guests can make changes to their reservation by: visiting My Trips, entering their name and confirmation number, then proceeding with the steps to change or cancel a flight. texting us at or using on WhatsApp. direct messaging us on social media.

giving us a call at speaking to a Guest Service Agent at their.