Cheap flights from Tulsa to Denver from $40

The cheapest month to fly to Denver from Tulsa is in September. Flight prices, which tend to average around $215, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Tulsa, when ticket prices are also cheap, with an average price of $215.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $383. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $496.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $280. Flights in the afternoon are often more expensive with an average ticket price of $528.

Fly from Tulsa to Denver Intl for the best Tulsa - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Tulsa when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Tulsa for as low as $172 on momondo.

There are 4 cabin classes available to choose from on Tulsa to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest and United Airlines are the most popular carriers operating from Tulsa to Denver Intl

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Denver from Tulsa according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 10 flights per day flying from Tulsa to Denver. The most common time of day flights depart is 11:00AM, with 54% of flights taking off at noon.

As of March 2026, there are 70 flights per week flying from Tulsa to Denver. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.