$88 Cheap United flights Tulsa (TUL) to Denver (DEN)

Scoring cheap one-way United Airlines flights from TUL to DEN from $88 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $206 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.

January is one of the least expensive months to jet away to Denver with United Airlines. You could also find fantastic deals on one-way and round-trip tickets in November.

Start searching one to three months ahead of your travel date to get cheaper fares on United Airlines flights from Tulsa Intl. Airport (TUL) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*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.

You can easily fly from Tulsa Intl. Airport (TUL) to Denver Intl. Airport (DEN) on one of United Airlines’s 28 direct weekly flights. Apply our “Nonstop” and “Airline” filters to find the United Airlines flight that’ll get you to DEN at your preferred time.

It takes approximately 2h 8m to fly nonstop from Tulsa Intl. Airport (TUL) to Denver Intl. Airport (DEN) with United Airlines.

Wednesday has the most United Airlines flights from Tulsa Intl. Airport (TUL) to Denver Intl. Airport (DEN). With 4 daily departures, this is the best day to find something that will fit your plans.

Jetting off from TUL at 5:45AM UTC-6, the earliest United Airlines flight to DEN arrives at 6:57AM UTC-7. Traveling early means you’re less likely to encounter delays or cancellations.* Not an early riser? The last United Airlines flight from TUL to DEN departs at 4:59PM UTC-6 and touches down at 6:10PM UTC-7.*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.

Denver Intl. Airport (DEN) is the main Denver hub for United Airlines flights from Tulsa Intl. Airport (TUL).

With a rewarding loyalty program, United Airlines is a top pick for many travelers heading from TUL to DEN. 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.

Catch a United Airlines flight from Tulsa Intl. Airport (TUL) to Denver Intl. Airport (DEN), and you’ll probably be on an Embraer 175. Keep in mind though, that the aircraft type can vary depending on operational reasons.

You can usually change or cancel your flight, although there may be additional charges if you booked more than 24 hours ago. Want to keep your options open? Use Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to adjust your plans. To update your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more information.