Cheap flights from Greenville to Ontario (GSP - ONT) from $203

Yes, there are multiple flights from Greenville to Ontario for under $400. The cheapest flight booked recently is on American Airlines for just $349, but on average you can expect to pay $444.

There are currently 14+ open flights from Greenville to Ontario within the next 7 days for less than $800.

Our cheapest airline available from Greenville to Ontario is American Airlines. Our recent data shows that you can find tickets from as low as $349 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $392 and $418 round-trip. Users have found that American Airlines is 28% cheaper than the other options available to this destination.

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $203. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Greenville to Ontario for a low price.

Great question - GSP to ONT just means Greenville Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

The amount of baggage you can bring on your Greenville to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Greenville to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Greenville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Ontario.

Yes. Cheapflights offers flight deals from Greenville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Greenville to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Greenville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Greenville to Ontario flight deals you see on this page were last updated on 5/31.

Currently, October is the cheapest month in which you can book a flight from Greenville to Ontario (average of $238). Flying from Greenville to Ontario in July is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.