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Cheap flights from Decatur, Illinois to Las Vegas from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to Las Vegas departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Decatur, Illinois to Las Vegas

Cheap round-trip flights

United Airlines Logo
11:35 am - 8:01 pmDEC-LAS
10h 26m2 stops
United Airlines Logo
11:35 pm - 2:31 pmLAS-DEC
12h 56m2 stops
$279United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
11:35 am - 8:01 pmDEC-LAS
10h 26m2 stops
United Airlines Logo
12:59 am - 2:31 pmLAS-DEC
11h 32m2 stops
$306United Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
11:35 am - 8:01 pmDEC-LAS
10h 26m2 stops
United Airlines Logo
7:00 am - 2:31 pmLAS-DEC
5h 31m1 stop
$347United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
9:38 am - 2:56 pmDEC-LAS
7h 18m1 stop
United Airlines Logo
6:27 pm - 8:51 amLAS-DEC
12h 24m2 stops
$354United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
United Airlines Logo
9:38 am - 8:39 pmDEC-LAS
13h 01m2 stops
United Airlines Logo
6:27 pm - 8:51 amLAS-DEC
12h 24m2 stops
$359United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
United Airlines Logo
9:42 am - 2:47 pmDEC-LAS
7h 05m1 stop
United Airlines Logo
11:59 pm - 8:56 amLAS-DEC
6h 57m1 stop
$369United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
9:42 am - 2:47 pmDEC-LAS
7h 05m1 stop
United Airlines Logo
6:28 pm - 8:56 amLAS-DEC
12h 28m2 stops
$379United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
11:35 am - 3:19 pmDEC-LAS
5h 44m1 stop
United Airlines Logo
12:59 am - 2:31 pmLAS-DEC
11h 32m2 stops
$386United Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
9:38 am - 8:39 pmDEC-LAS
13h 01m2 stops
United Airlines Logo
11:59 pm - 8:48 amLAS-DEC
6h 49m1 stop
$388United Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
7:08 pm - 9:39 amDEC-LAS
16h 31m1 stop
United Airlines Logo
11:59 pm - 8:48 amLAS-DEC
6h 49m1 stop
$390United Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11

United Airlines flights from Decatur, Illinois to Las Vegas

Our best United Airlines deals on Decatur, Illinois to Las Vegas flight tickets
United Airlines
Feb 19
DEC11:35 amDecatur Arpt
10h 26m
2 stops
LAS8:01 pmLas Vegas Harry Reid Intl
Feb 23
LAS11:35 pmLas Vegas Harry Reid Intl
12h 56m
2 stops
DEC2:31 pmDecatur Arpt
$279
Find similar
United Airlines
Feb 19
DEC11:35 amDecatur Arpt
10h 26m
2 stops
LAS8:01 pmLas Vegas Harry Reid Intl
Feb 22
LAS12:59 amLas Vegas Harry Reid Intl
11h 32m
2 stops
DEC2:31 pmDecatur Arpt
$306
Find similar
United Airlines
Feb 19
DEC11:35 amDecatur Arpt
10h 26m
2 stops
LAS8:01 pmLas Vegas Harry Reid Intl
Feb 23
LAS7:00 amLas Vegas Harry Reid Intl
5h 31m
1 stop
DEC2:31 pmDecatur Arpt
$347
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Las Vegas 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, momondo users made 832,500 searches. Data last updated September 3, 2025.
Use the filters below to find and compare flights from Decatur, Illinois to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 2/19

11:35 am-8:01 pm

2 stops10h 26m

Las Vegas Harry Reid Intl

Mon 2/23

11:35 pm-2:31 pm

2 stops12h 56m

$279

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 2/19

11:35 am-8:01 pm

2 stops10h 26m

Las Vegas Harry Reid Intl

Sun 2/22

12:59 am-2:31 pm

2 stops11h 32m

$306

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 2/19

11:35 am-8:01 pm

2 stops10h 26m

Las Vegas Harry Reid Intl

Mon 2/23

7:00 am-2:31 pm

1 stop5h 31m

$347

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 10/4

9:38 am-2:56 pm

1 stop7h 18m

Las Vegas Harry Reid Intl

Sat 10/11

6:27 pm-8:51 am

2 stops12h 24m

$354

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 9/25

9:38 am-8:39 pm

2 stops13h 01m

Las Vegas Harry Reid Intl

Mon 9/29

6:27 pm-8:51 am

2 stops12h 24m

$359

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 9/16

9:42 am-2:47 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Tue 9/23

11:59 pm-8:56 am

1 stop6h 57m

$369

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 9/16

9:42 am-2:47 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Tue 9/23

6:28 pm-8:56 am

2 stops12h 28m

$379

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 2/19

11:35 am-3:19 pm

1 stop5h 44m

Las Vegas Harry Reid Intl

Sun 2/22

12:59 am-2:31 pm

2 stops11h 32m

$386

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Thu 10/23

9:38 am-8:39 pm

2 stops13h 01m

Las Vegas Harry Reid Intl

Sun 10/26

11:59 pm-8:48 am

1 stop6h 49m

$388

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 11/8

7:08 pm-9:39 am

1 stop16h 31m

Las Vegas Harry Reid Intl

Tue 11/11

11:59 pm-8:48 am

1 stop6h 49m

$390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Decatur, Illinois to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Decatur Arpt to Las Vegas Harry Reid Intl?

United Airlines is the most popular carrier operating from Decatur Arpt to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

American Airlines, Allegiant Air and United Airlines are the top three most popular airlines that fly to Las Vegas from Decatur, Illinois according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

When to book flights from Decatur, Illinois to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Decatur, Illinois to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Decatur, Illinois to Las Vegas (DEC to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Las Vegas

Direct flights

None
There are no direct flights from Decatur, Illinois to Las Vegas. There are no popular flight routes from Decatur, Illinois to Las Vegas.
Search flight deals

  • How far is Decatur Arpt to Las Vegas Harry Reid Intl by plane?

    Decatur Arpt and Las Vegas Harry Reid Intl are 1441.3 mi apart from one another. Flights usually cover this in 5h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Decatur Arpt Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Decatur Arpt Airport to Las Vegas Harry Reid Intl Airport were last updated today.

  • How many operators does momondo search for flights from Decatur Arpt Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Decatur Arpt Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Decatur Arpt Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Decatur, Illinois to Las Vegas?

Best airlines flying from Decatur, Illinois to Las Vegas

Compare and see reviews for airlines that fly from Decatur, Illinois to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

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Henderson
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Winchester
Sunrise Manor
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Decatur to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Decatur to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Decatur to Las Vegas with flexible booking policies on momondo?

momondo does allow users to show only those flights to Las Vegas from Decatur which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Decatur to Las Vegas?

Once all potential Decatur to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Decatur to Las Vegas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Decatur and alert you when they change.

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