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Cheap flights from Decatur, Illinois to Las Vegas from $295

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 1/15. 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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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
9:44 am - 8:22 pm
DEC
-
LAS
12h 38m2 stops
United Airlines Logo
6:05 am - 5:59 pm
LAS
-
DEC
9h 54m2 stops
$349United Airlines
Mon, Dec 22 - Fri, Dec 26
United Airlines Logo
9:44 am - 3:03 pm
DEC
-
LAS
7h 19m1 stop
United Airlines Logo
6:05 am - 5:59 pm
LAS
-
DEC
9h 54m2 stops
$399United Airlines
Mon, Dec 22 - Fri, Dec 26
United Airlines Logo
7:09 pm - 9:59 pm
DEC
-
LAS
28h 50m1 stop
United Airlines Logo
7:15 am - 6:01 pm
LAS
-
DEC
8h 46m1 stop
$409United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
7:09 pm - 9:59 pm
DEC
-
LAS
28h 50m1 stop
United Airlines Logo
7:30 am - 6:01 pm
LAS
-
DEC
8h 31m2 stops
$419United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
7:15 pm - 9:35 am
DEC
-
LAS
16h 20m2 stops
United Airlines Logo
9:00 am - 5:58 pm
LAS
-
DEC
6h 58m1 stop
$442United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
7:15 pm - 9:35 am
DEC
-
LAS
16h 20m2 stops
United Airlines Logo
7:57 pm - 8:52 am
LAS
-
DEC
10h 55m2 stops
$447United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
7:15 pm - 10:30 pm
DEC
-
LAS
29h 15m1 stop
United Airlines Logo
11:59 pm - 8:52 am
LAS
-
DEC
6h 53m1 stop
$450United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
7:09 pm - 12:17 pm
DEC
-
LAS
19h 08m2 stops
United Airlines Logo
5:20 am - 6:01 pm
LAS
-
DEC
10h 41m2 stops
$465United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
9:44 am - 10:32 pm
DEC
-
LAS
14h 48m1 stop
United Airlines Logo
11:59 pm - 9:05 am
LAS
-
DEC
7h 06m1 stop
$500United Airlines
Mon, Dec 22 - Fri, Dec 26
United Airlines Logo
9:44 am - 8:22 pm
DEC
-
LAS
12h 38m2 stops
United Airlines Logo
5:30 am - 5:59 pm
LAS
-
DEC
10h 29m2 stops
$520United Airlines
Fri, Jan 2 - Mon, Jan 5

United Airlines flights from Decatur, Illinois to Las Vegas

Our best United Airlines deals on Decatur, Illinois to Las Vegas flight tickets
United Airlines
Dec 22
DEC9:44 amDecatur Arpt
12h 38m
2 stops
LAS8:22 pmLas Vegas Harry Reid Intl
Dec 26
LAS6:05 amLas Vegas Harry Reid Intl
9h 54m
2 stops
DEC5:59 pmDecatur Arpt
$349
Find similar
United Airlines
Dec 17
DEC9:49 amDecatur Arpt
13h 50m
2 stops
LAS9:39 pmLas Vegas Harry Reid Intl
Dec 22
LAS11:59 pmLas Vegas Harry Reid Intl
7h 06m
1 stop
DEC9:05 amDecatur Arpt
$379
Find similar
United Airlines
Dec 17
DEC9:49 amDecatur Arpt
12h 21m
2 stops
LAS8:10 pmLas Vegas Harry Reid Intl
Dec 22
LAS6:05 amLas Vegas Harry Reid Intl
9h 54m
2 stops
DEC5:59 pmDecatur Arpt
$396
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 December 9, 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

Mon 12/22

9:44 am-8:22 pm

2 stops12h 38m

Las Vegas Harry Reid Intl

Fri 12/26

6:05 am-5:59 pm

2 stops9h 54m

$349

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Mon 12/22

9:44 am-3:03 pm

1 stop7h 19m

Las Vegas Harry Reid Intl

Fri 12/26

6:05 am-5:59 pm

2 stops9h 54m

$399

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 1/10

7:09 pm-9:59 pm

1 stop28h 50m

Las Vegas Harry Reid Intl

Wed 1/14

7:15 am-6:01 pm

1 stop8h 46m

$409

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 1/10

7:09 pm-9:59 pm

1 stop28h 50m

Las Vegas Harry Reid Intl

Wed 1/14

7:30 am-6:01 pm

2 stops8h 31m

$419

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 3/14

7:15 pm-9:35 am

2 stops16h 20m

Las Vegas Harry Reid Intl

Tue 3/17

9:00 am-5:58 pm

1 stop6h 58m

$442

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 3/14

7:15 pm-9:35 am

2 stops16h 20m

Las Vegas Harry Reid Intl

Tue 3/17

7:57 pm-8:52 am

2 stops10h 55m

$447

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 3/14

7:15 pm-10:30 pm

1 stop29h 15m

Las Vegas Harry Reid Intl

Tue 3/17

11:59 pm-8:52 am

1 stop6h 53m

$450

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Sat 1/10

7:09 pm-12:17 pm

2 stops19h 08m

Las Vegas Harry Reid Intl

Wed 1/14

5:20 am-6:01 pm

2 stops10h 41m

$465

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Mon 12/22

9:44 am-10:32 pm

1 stop14h 48m

Las Vegas Harry Reid Intl

Fri 12/26

11:59 pm-9:05 am

1 stop7h 06m

$500

DecaturLas Vegas

DEC - LAS

DECLAS

Decatur Arpt

Fri 1/2

9:44 am-8:22 pm

2 stops12h 38m

Las Vegas Harry Reid Intl

Mon 1/5

5:30 am-5:59 pm

2 stops10h 29m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 43% 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

Fastest flight time

12h 38m

Direct flights

None
The fastest flight from Decatur, Illinois to Las Vegas takes 12h 38m
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 7h 19m, 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
9,089 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

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Winchester
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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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