$89 Cheap Southwest Airlines flights Charlotte (CLT) to Denver (DEN)

You can find affordable round-trip Southwest Airlines flights from $159 from CLT to DEN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $89 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 Southwest Airlines fares from Charlotte-Douglas Intl. Airport (CLT) to Denver Intl. Airport (DEN), start searching one to three months before your intended departure. Reserving 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 is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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 first Southwest Airlines flight from CLT to DEN departs at 7:55AM UTC-5, arriving at 9:55AM UTC-7. If you'd like to set off later, the last Southwest Airlines flight leaves CLT at 8:15AM UTC-5 and touches down at DEN at 10:15AM UTC-7. Flying early is often a wise choice 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.