$521 Cheap Flights from Decatur (DEC) to Tulsa (TUL)

You can find cheap one-way flights from $521 and cheap return flights $780 Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) with Expedia. Return flights often range between $404 and $1151. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from DEC to TUL is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter DEC to TUL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

United is one of the cheapest airlines offering connecting flights from Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.), with round-trip tickets starting from around $404 with a layover in O'Hare Intl. (ORD). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Decatur, IL (DEC) to Tulsa International Airport (TUL) typically leaves at around 9:40 AM, operated by United and Delta. This morning flight allows you to arrive in Tulsa with plenty of time to explore the city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The busiest day for flights from (DEC) to Tulsa Intl. (TUL) is a Wednesday, with around 1 flights. This gives you plenty of options for your travel plans. A major airline on this route is United.

The most popular departure times for flights from Decatur (DEC) to Tulsa (TUL) are in the late morning, from 9am to noon. All passengers prefer this time window, making it a convenient choice. Many major carriers, including United Airlines, operate flights during this time. This timing is great for those looking to travel after the morning rush.

Flying from DEC to TUL with a connection usually takes about 5 hours 20 minutes, traveling roughly 457 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for DEC to TUL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From DEC (DEC), you can fly into Tulsa Intl. (TUL) to reach Tulsa. Some flights may connect through major hubs like O'Hare Intl. (ORD) before reaching Tulsa. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) Tulsa Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Decatur, IL (DEC) to Tulsa, OK (TUL-Tulsa Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.