$99 Cheap Delta flights Tulsa (TUL) to Denver (DEN)

You’ll discover affordable round-trip Delta Air Lines flights from $186 from TUL to DEN by organizing your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $99 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.

Delta Air Lines flights to Denver are usually more affordable in the off-peak months of January and November. Whether you’re after a one-way or a return ticket, you could find a better deal then.

Start searching one to three months ahead of your travel date to find cheap fares on Delta Air Lines 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.

Enter your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from TUL to DEN with Delta Air Lines or another carrier.

Find Delta Air Lines’s earliest flights from TUL to DEN by selecting our “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures are also 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.

Denver Intl. Airport (DEN) is the primary Denver gateway for Delta Air Lines flights from Tulsa Intl. Airport (TUL).

Flying from TUL to DEN with Delta Air Lines comes with a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to change or cancel your flight, although there may be additional fees if you booked over 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you need to adjust your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for further information.