$43 Cheap Spirit Airlines flights Atlanta (ATL) to New York (LGA)

Landing cheap one-way Spirit Airlines flights from ATL to LGA from $43 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $88 for your next 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.

To find cheap Spirit Airlines fares from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to LaGuardia Airport (LGA), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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 earliest flight from ATL to LGA with Spirit Airlines leaves at 1:18PM UTC-5. You'll touch down at 3:25PM UTC-5. The final Spirit Airlines flight of the day leaves at 1:18PM UTC-5 and arrives at 3:25PM UTC-5. With 20% fewer cancellations for morning departures, beginning your travel day early is generally the wisest option.**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 chance to rack up points through Free Spirit are the start of the reasons to leave from ATL to LGA with Spirit Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.