$89 Cheap United flights Denver (DEN) to New York (LGA)

You can find cheap return United Airlines flights from $144 from DEN to LGA by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $89 for a one-way journey.**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 ahead of your departure date to get cheap fares on United Airlines flights from Denver Intl. Airport (DEN) to LaGuardia Airport (LGA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce 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 spot on, and you can enjoy significant savings on domestic flights.*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 DEN to LGA with United Airlines departs at 8:10AM UTC-7. You'll land at 1:53PM UTC-5. The final United Airlines flight of the day takes off at 5:40PM UTC-7 and arrives at 11:23PM UTC-5. With around 20% fewer cancellations for morning and mid-morning departures, heading out early is often the smartest choice.**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 opportunity to collect points through United Mileage Plus are the start of the reasons to depart from DEN to LGA with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.