Cheap flights from Ontario ONT

Ontario CA to Las Vegas or Vice Versa $38 RT Nonstop Airfares on Frontier Airlines (Travel February - May 2023)

New York to Los Angeles, Ontario or San Francisco or Vice Versa $198 RT Nonstop Airfares on JetBlue Basic (Travel February - April 2023)

Orlando FL to Toronto Canada $110 RT Nonstop Airfares on Swoop Airlines (PEAK SUMMER June - August 2023)

jetBlue: New York – Ontario, California (and vice versa). $217 (Basic Economy) / $277 (Regular Economy). Roundtrip, including all Taxes

The Shorthaul – American: Dallas – Ontario, California (and vice versa). $137 (Basic Economy) / $197 (Regular Economy). Roundtrip, including all Taxes

Ontario CA to Seattle or Vice Versa $138 RT Nonstop Airfares on Alaska or Delta Air Lines BE (Travel January - March 2023)

Honolulu Hawaii to Raratonga Cook Islands $799 RT Nonstop Airfares or From Los Angeles, Long Beach or Ontario CA For $899 RT on Hawaiian Airlines (Travel May - October 2023)

Ontario CA to Las Vegas or Vice Versa $38 RT Nonstop Airfares on Frontier Airlines (Travel November - December 2022)

Las Vegas to Hamilton Ontario Canada $139 RT Nonstop Airfares on Swoop Airlines (Limited Travel September - November 2022) $130

Ontario CA to Las Vegas or Vice Versa $48 RT Nonstop Airfares on Frontier Airlines (Travel August - October 2022)

Ontario CA to Madrid Spain $516 RT Airfares on American Airlines / Iberia / British Airways Discount Economy (Travel January - February 2023)

Ontario California to San Juan Puerto Rico or Vice Versa $238 RT Airfares on Frontier Airlines (Travel August - November 2022)