$136 Cheap JetBlue Airways flights Denver (DEN) to Buffalo (BUF)

You'll discover cheap round-trip JetBlue Airways flights from $251 from DEN to BUF by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $136 for a one-way trip.**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.

For cheap JetBlue Airways fares from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF), 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 what you pay. 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 journey 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.

To find the earliest departure from DEN to BUF with JetBlue Airways, filter your search by "Morning" and "Early Morning." Choosing an early flight generally 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.