Cheap flights from Ontario to Greenville from $170
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Greenville departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Greenville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Greenville?
The month of September is another great option to travel to Greenville, with average flight prices from Ontario averaging around $398.
What is the cheapest day to depart on your flight to Greenville?
According to our data, Wednesday is the cheapest day to fly to Greenville from Ontario. The lowest ticket price found for a Wednesday departure recently was $136. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $555. These prices are subject to change though, so be sure to set up a Price Alert for flights to Greenville.
What is the cheapest time of day to depart on your flight to Greenville?
Our most recent data shows that the best time of day to fly to Greenville is in the morning. Flights from Ontario to Greenville during this time can be as low as $229. Flights to Greenville are more costly in the evening, with an average ticket price of $439. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How have Ontario to Greenville flight prices changed over time?
What is the cheapest airline that flies from Ontario to Greenville?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Ontario to Greenville
What airlines fly to Greenville?
American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Greenville from Ontario according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Greenville. Keep in mind that there are 7 different airlines that fly to Greenville on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Greenville
Cheap Ontario to Greenville (ONT to GSP) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Greenville
How far is Ontario to Greenville by plane?
A flight from Ontario to Greenville will travel around 1997.5 mi. In terms of flight time, this usually takes a little over 6h 19m.
When did momondo last update prices for flights from Ontario Airport to Greenville Airport?
Prices for flights from Ontario Airport to Greenville Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Greenville Airport?
As of June 2025, there are 2 operators available to choose from for flights from Ontario Airport to Greenville Airport.
How old do you have to be to fly from Ontario Airport to Greenville Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Greenville Airport.
What documentation or ID do you need to fly to Greenville Airport?
The necessary travel and health documents for your Greenville Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Greenville?
momondo data reveals that the most frequently booked airline on the route from Ontario to Greenville is American Airlines, representing 70% of all bookings. The subsequent popular airline is Delta at 30%.
Best airlines flying from Ontario to Greenville
Compare and see reviews for airlines that fly from Ontario to Greenville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $315 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 8.0 7,963 reviews |
Traveling to a place near Greenville?
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Why should I use momondo to find a flight deal from Ontario to Greenville?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Greenville. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Greenville with flexible booking policies on momondo?
All flight searches from Ontario to Greenville on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Greenville?
momondo helps you find the best flight between Ontario and Greenville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ontario to Greenville right now. Can momondo alert me if prices change?
Price alerts on flights to Greenville from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.