$149 Cheap Delta flights Ontario (ONT) to Greensboro (GSO)

Scoring cheap one-way Delta Air Lines flights from ONT to GSO from $149 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $275 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for return or one-way flights to Greensboro in January or December. You could find an affordable fare with Delta Air Lines during these off-peak travel months.

Search for affordable Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Piedmont Triad Intl. Airport (GSO) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct journey from ONT to GSO with Delta Air Lines or another airline, check the “Nonstop” box when searching for flights.

To find the earliest departure from ONT to GSO with Delta Air Lines, filter your search by “Morning” and “Early Morning.” Choosing an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Piedmont Triad Intl. Airport (GSO) is the main Greensboro gateway for Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers flying from ONT to GSO. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that. For further information about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without extra charges, check the “Changes included” or “No cancel fee” filter when organizing your next adventure.