Cheap flights from Ontario, CA to Oakland, CA

Flights starting at $45. Choose between Spirit Airlines, Alaska Airlines, or Frontier Airlines to find the best price.

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Travelers usually depart from Ontario International, Montclair (Ontario), Ontario Bus Stop, or Ontario, CA station when they travel from Ontario to Oakland. Book your trip to arrive at Oakland International, West Oakland Station, Oakland, CA - Coliseum/Airport Station, Oakland, or Oakland Jack London Square. The most popular airlines for this route are Spirit Airlines, Alaska Airlines, Frontier Airlines, American Airlines, and Ravn Alaska. Ontario and Oakland have 185 direct flights per week. When you arrive at Oakland, consider visiting Golden Gate Bridge, Alcatraz, and Big Sur.

Check-in for a flight from Ontario to Oakland

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAANoNo
Ravn Alaska 7HYesOpens 24 days before flight
Closes 2 hours before flight
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Frequently asked questions

What are the most popular routes to and from Ontario?
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What airports are near Ontario?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and Oakland?
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Which airlines fly between Ontario and Oakland?
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How many airports are there near Oakland?
What time do nonstop (direct) flights between Ontario and Oakland depart?
What time do nonstop (direct) flights between Ontario and Oakland arrive?
What time do flights between Ontario and Oakland depart?
What time do flights between Ontario and Oakland arrive?

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