$142 Cheap Frontier Airlines flights Denver (DEN) to Newark Liberty Intl. Airport (EWR)

Scoring cheap one-way Frontier Airlines flights from DEN to EWR from $142 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $275 for your next exciting 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.

Frontier Airlines flights to Newark tend to be cheaper in the quieter months of January and February. Whether you’re in search of a return or one-way ticket, you could find a better deal then.

For cheap Frontier Airlines fares from Denver Intl. Airport (DEN) to Liberty Intl. Airport (EWR), 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 impact how much you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Click on our “Nonstop” filter when searching for direct Frontier Airlines flights from DEN to EWR. It’s also a great way to compare other carriers offering the same nonstop journey.

To find the earliest departures from DEN to EWR with Frontier Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight usually means you’ll experience fewer 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.

Jump on a Frontier Airlines flight from Denver Intl. Airport (DEN) to Newark, and you’ll likely arrive at Liberty Intl. Airport (EWR). This is the airline’s primary hub in this city.

A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to travel from DEN to EWR with Frontier Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to 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.

Changes are typically free within 24 hours of booking, but your airline may charge you after that. For more details about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without being charged, check the “Changes included” and “No cancel fee” filters when organizing your next escape.