$203 Cheap United flights Denver (DEN) to Fort Myers (RSW)

Landing cheap one-way United Airlines flights from DEN to RSW from $203 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $405 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 United Airlines fares from Denver Intl. Airport (DEN) to Southwest Florida Intl. Airport (RSW), start searching one to three months before your planned 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 influence the overall cost. Sunday is usually 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.

The earliest United Airlines flight from DEN to RSW takes off at 8:01AM UTC-7, landing at 1:43PM UTC-5. If you prefer to set off later in the day, the last United Airlines flight leaves DEN at 6:05PM UTC-7 and lands at RSW at 11:48PM UTC-5. Flying earlier is generally a smart option as morning and mid-morning flights are 20% less likely to be canceled.**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.

Offering a rewarding loyalty program, United Airlines is a top pick for many travelers journeying from DEN to RSW. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could 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.