$33 Cheap Frontier Airlines flights Atlanta (ATL) to New York (LGA)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines round-trip flights from $66 from ATL to LGA. Affordable one-way fares from $33 are available too.**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.

Start searching one to three months before your departure to get cheap fares on Frontier Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to LaGuardia Airport (LGA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic journeys.*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.

The first flight from ATL to LGA with Frontier Airlines departs at 9:16AM UTC-5. You'll touch down at 11:31AM UTC-5. The final Frontier Airlines flight of the day takes off at 7:46PM UTC-5 and arrives at 10:00PM UTC-5. With 20% fewer cancellations for early and mid-morning departures, heading out early is often the best way to go.**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.

A rewarding loyalty program and the ability to rack up points through Frontier Miles are the start of the reasons to jet off from ATL to LGA with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.