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Decatur

$304+ Cheap flights from Las Vegas to Decatur, IL (LAS - DEC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — DEC
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Las Vegas to Decatur

Cheapest flights from Las Vegas to Decatur
Explore the most affordable flight options available from Las Vegas to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:59 pm
LAS
-
DEC
1 stop6h 59m
United Airlines
Wed 6/39:37 am
DEC
-
LAS
1 stop7h 09m
United Airlines
Deal found 3/8$304
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:59 pm
LAS
-
DEC
1 stop6h 59m
United Airlines
Sat 4/187:37 pm
DEC
-
LAS
1 stop28h 27m
United Airlines
Deal found 3/8$439
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:59 pm
LAS
-
DEC
1 stop6h 59m
United Airlines
Sun 4/127:37 pm
DEC
-
LAS
1 stop6h 22m
United Airlines
Deal found 3/8$543
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/209:00 am
LAS
-
DEC
1 stop6h 53m
United Airlines
Tue 3/247:15 pm
DEC
-
LAS
1 stop19h 44m
United Airlines
Deal found 3/5$550

Find flight deals from Las Vegas to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(United Airlines)
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Decatur Arpt flights.
Search Deals
From Las Vegas Harry Reid Intl to Decatur Arpt
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Decatur that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Las Vegas to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Tue 5/12

11:59 pm-8:58 am

1 stop6h 59m

Decatur Arpt

Wed 6/3

9:37 am-2:46 pm

1 stop7h 09m

$304

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 4/15

11:59 pm-8:58 am

1 stop6h 59m

Decatur Arpt

Sat 4/18

7:37 pm-9:31 am

1 stop15h 54m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Compare providers for flights from Las Vegas to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Decatur in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Decatur, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Decatur

What is the cheapest month to book a flight from Las Vegas to Decatur, Illinois?

Currently, April is the cheapest month in which you can book a flight from Las Vegas to Decatur, Illinois (average of $151). Flying from Las Vegas to Decatur, Illinois in March is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Las Vegas to Decatur, Illinois?

    A quick flight from Las Vegas to Decatur, Illinois can take about 6h 59m. United Airlines provides one of the quickest options available for as low as $304. Airlines will cover a distance of 1449 mi.

  • Can I find deals for flights from Las Vegas to Decatur that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Decatur?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Decatur.

  • Can I find deals for business class flights from Las Vegas to Decatur?

    Yes. Cheapflights offers flight deals from Las Vegas to Decatur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Decatur, Illinois?

    Currently, April is the cheapest month in which you can book a flight from Las Vegas to Decatur, Illinois (average of $151). Flying from Las Vegas to Decatur, Illinois in March is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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