Cheap flights from Ontario to Oakland

Flights starting at $41. Choose between Delta Air Lines, Alaska Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from Ontario International, Ontario, CA station, Ontario Bus Stop, or Montclair (Ontario) when they travel from Ontario to Oakland. Book your trip to arrive at Oakland International, Oakland, West Oakland Station, Emeryville, CA station, or Oakland Jack London Square. The most popular airlines for this route are Delta Air Lines, Alaska Airlines, Spirit Airlines, United Airlines, and Frontier Airlines. Ontario and Oakland have 167 direct flights per week. When you arrive at Oakland, consider visiting Big Sur, Golden Gate Bridge, and Alcatraz.

Check-in for a flight from Ontario to Oakland

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
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Frequently asked questions

What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and Denver, Orlando, Austin, Las Vegas, Atlanta, Sacramento, San Francisco, Seattle, San Antonio, Guadalajara, Charlotte, New Orleans, Fort Lauderdale, Philadelphia, Washington, D.C., San Jose, Detroit, Minneapolis, Chicago, Houston.
What are the most popular routes to and from Oakland?
Travelers frequently search for route combinations, such as Oakland and Las Vegas, Los Angeles, Chicago, Phoenix, Mexico City, Atlanta, Houston, Washington, D.C., Detroit, Barcelona, Paris, New York, Burbank, San Diego, London, Rome, Tampa, Berlin, Indianapolis, Cancún.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by San Diego International, Ontario International, Tijuana International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Imperial County, Meadows Field, Long Beach.
What airports are near Oakland?
The main airport in Oakland is Oakland International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional, Buchanan Field.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and Oakland?
Yes, it's possible to combine different modes of transport between Ontario and Oakland thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ontario and Oakland can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Ontario and Oakland?
Currently, you can fly between Ontario and Oakland with Delta Air Lines, Alaska Airlines, Spirit Airlines, United Airlines, Frontier Airlines.
When's the best time to travel between Ontario and Oakland?
If you don’t have specific dates for your trip between Ontario and Oakland, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Ontario and Oakland?
Traveling between Ontario and Oakland, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Ontario?
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?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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