$516 Cheap Flights from Duluth (DLH) to Decatur (DEC)

View $516 flight on Fri, Apr 10, 2026Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)

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Cheap Flights from Duluth to Decatur (DLH-DEC)

Prices were available within the past 7 days and start at $516 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) cost?
You can find cheap one-way flights from $516 and cheap return flights Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) with Expedia. Return flights typically cost between $475 and $982. 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 Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
The cheapest month to fly from DLH to DEC is 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.
Which airlines fly direct from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
Enter DLH to DEC and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
To find a cheap flight from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC), 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.
What is the best time to fly from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
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.
What is the earliest flight from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DLH to DEC. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
The most popular departure times for flights from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) are from 9am to 12pm. This accounts for around 65% of total traffic, indicating a strong preference for morning flights. United Airlines and Delta operate during this time, making it a convenient choice for travelers.
How long does it take to fly from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
A flight from DLH to DEC with a layover takes around 6 hours 50 minutes, with the route covering approximately 512 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
Select the "Business class" and "First class" filters when looking for DLH to DEC flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) flight with Expedia?
It's easy to earn miles on a Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) 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.
Is it cheaper to buy a plane ticket from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) at the last minute?
Typically, booking a last minute flight from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) 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.
Is it cheaper to book a Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) flight and hotel package?
Securing a Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) flight and hotel package 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.
Can I cancel or change the date of my flight from Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC)?
If you booked your Duluth, MN (DLH-Duluth Intl.) to Decatur, IL (DEC) 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.

Travel information

Origin airport
Duluth Intl.
Destination airport
Decatur
Distance
511 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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