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Cheap flights from Decatur, Illinois to Las Vegas from $326

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 7/5. 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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0 bags

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Find the cheapest flights from Decatur, Illinois to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
LAS
6h 48m
1 stop
United Airlines Logo
12:36 am - 8:57 am
LAS
-
DEC
6h 21m
1 stop
$344United Airlines
Fri, Jun 5 - Sun, Jun 7
United Airlines Logo
9:37 am - 10:19 pm
DEC
-
LAS
14h 42m
2 stops
United Airlines Logo
12:36 am - 8:57 am
LAS
-
DEC
6h 21m
1 stop
$350United Airlines
Fri, Jun 5 - Sun, Jun 7
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
LAS
6h 48m
1 stop
United Airlines Logo
12:36 am - 8:57 am
LAS
-
DEC
6h 21m
1 stop
$434United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
9:37 am - 8:21 pm
DEC
-
LAS
12h 44m
2 stops
United Airlines Logo
6:00 am - 5:56 pm
LAS
-
DEC
9h 56m
2 stops
$436United Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
LAS
6h 48m
1 stop
United Airlines Logo
8:31 pm - 8:57 am
LAS
-
DEC
10h 26m
2 stops
$444United Airlines
Tue, Jun 2 - Sun, Jun 7
United Airlines Logo
7:20 pm - 11:59 pm
DEC
-
LAS
6h 39m
1 stop
United Airlines Logo
12:36 am - 8:57 am
LAS
-
DEC
6h 21m
1 stop
$459United Airlines
Fri, Jun 26 - Sun, Jun 28
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
LAS
6h 48m
1 stop
United Airlines Logo
8:31 pm - 8:57 am
LAS
-
DEC
10h 26m
2 stops
$469United Airlines
Tue, Jun 2 - Sun, Jun 7
United Airlines Logo
7:25 pm - 11:51 pm
DEC
-
LAS
6h 26m
1 stop
United Airlines Logo
11:22 pm - 8:58 am
LAS
-
DEC
7h 36m
1 stop
$484United Airlines
Wed, May 13 - Sun, May 17
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
LAS
6h 48m
1 stop
United Airlines Logo
4:25 pm - 8:57 am
LAS
-
DEC
14h 32m
2 stops
$485United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
9:37 am - 8:21 pm
DEC
-
LAS
12h 44m
2 stops
United Airlines Logo
8:31 pm - 5:56 pm
LAS
-
DEC
19h 25m
2 stops
$490United Airlines
Fri, Jun 5 - Mon, Jun 8

United Airlines flights from Decatur, Illinois to Las Vegas

Our best United Airlines deals on Decatur, Illinois to Las Vegas flight tickets
United Airlines
Jun 5
DEC7:05 pmDecatur Arpt
6h 48m
1 stop
LAS11:53 pmLas Vegas Harry Reid Intl
Jun 7
LAS12:36 amLas Vegas Harry Reid Intl
6h 21m
1 stop
DEC8:57 amDecatur Arpt
$344
United Airlines
Jun 5
DEC9:37 amDecatur Arpt
14h 42m
2 stops
LAS10:19 pmLas Vegas Harry Reid Intl
Jun 7
LAS12:36 amLas Vegas Harry Reid Intl
6h 21m
1 stop
DEC8:57 amDecatur Arpt
$350
United Airlines
Jun 2
DEC7:05 pmDecatur Arpt
6h 48m
1 stop
LAS11:53 pmLas Vegas Harry Reid Intl
Jun 6
LAS12:36 amLas Vegas Harry Reid Intl
6h 21m
1 stop
DEC8:57 amDecatur Arpt
$434

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 April 29, 2026.
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

Cheapest round-trip

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 6/5

7:05 pm-11:53 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

Sun 6/7

12:36 am-8:57 am

1 stop6h 21m

$344

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 6/5

9:37 am-10:19 pm

2 stops14h 42m

Las Vegas Harry Reid Intl

Sun 6/7

12:36 am-8:57 am

1 stop6h 21m

$350

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 6/2

7:05 pm-11:53 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

Sat 6/6

12:36 am-8:57 am

1 stop6h 21m

$434

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 6/5

9:37 am-8:21 pm

2 stops12h 44m

Las Vegas Harry Reid Intl

Mon 6/8

6:00 am-5:56 pm

2 stops9h 56m

$436

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 6/2

7:05 pm-11:53 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

Sun 6/7

8:31 pm-8:57 am

2 stops10h 26m

$444
Quickest round-trip

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 6/26

7:20 pm-11:59 pm

1 stop6h 39m

Las Vegas Harry Reid Intl

Sun 6/28

12:36 am-8:57 am

1 stop6h 21m

$459

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 6/2

7:05 pm-11:53 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

Sun 6/7

8:31 pm-8:57 am

2 stops10h 26m

$469

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Wed 5/13

7:25 pm-11:51 pm

1 stop6h 26m

Las Vegas Harry Reid Intl

Sun 5/17

11:22 pm-8:58 am

1 stop7h 36m

$484

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Tue 6/2

7:05 pm-11:53 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

Sat 6/6

4:25 pm-8:57 am

2 stops14h 32m

$485

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 6/5

9:37 am-8:21 pm

2 stops12h 44m

Las Vegas Harry Reid Intl

Mon 6/8

8:31 pm-5:56 pm

2 stops19h 25m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

Allegiant Air, American Airlines and United Airlines are the top three most popular airlines that fly to Las Vegas from Decatur, Illinois according to our data. Allegiant Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 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

Fastest flight time

6h 26m

Direct flights

None
The fastest flight from Decatur, Illinois to Las Vegas takes 6h 26m
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

Frequently asked questions about flying from Decatur, Illinois to Las Vegas

  • 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 6h 26m, 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 $264Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

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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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