$102 Cheap Frontier Airlines flights Denver (DEN) to New York (LGA)

Scoring cheap one-way Frontier Airlines flights from DEN to LGA from $102 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $163 for your next adventure.**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.

January is one of the cheapest months to get away to New York with Frontier Airlines. You could also find great prices on return and one-way tickets in February.

Search for cheap Frontier Airlines flights from Denver Intl. Airport (DEN) to LaGuardia Airport (LGA) one to three months ahead of your departure. 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. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is generally 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.

Select our “Nonstop” filter when looking for direct Frontier Airlines flights from DEN to LGA. It’s also a great way to compare other carriers offering the same nonstop route.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from DEN to LGA. Jetting off early means flight cancellations are less likely.**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.

LaGuardia Airport (LGA) is the primary New York gateway for Frontier Airlines flights from Denver Intl. Airport (DEN).

With a rewarding loyalty program, Frontier Airlines is a favorite of many travelers heading from DEN to LGA. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making your booking, but your airline may add a charge after that. For further details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without additional costs, apply the “Changes included” or “No cancel fee” filter when organizing your next trip.