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Cheap flights from Las Vegas to Decatur from $374

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Decatur 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 Las Vegas to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 pm - 9:05 am
LAS
-
DEC
7h 35m1 stop
United Airlines Logo
9:49 am - 7:02 pm
DEC
-
LAS
11h 13m2 stops
$374United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
6:00 am - 6:01 pm
LAS
-
DEC
10h 01m2 stops
United Airlines Logo
9:49 am - 9:51 pm
DEC
-
LAS
14h 02m2 stops
$379United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
11:30 pm - 9:05 am
LAS
-
DEC
7h 35m1 stop
United Airlines Logo
7:09 pm - 11:19 pm
DEC
-
LAS
6h 10m1 stop
$389United Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
11:30 pm - 9:05 am
LAS
-
DEC
7h 35m1 stop
United Airlines Logo
9:49 am - 7:02 pm
DEC
-
LAS
11h 13m2 stops
$399United Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
5:20 am - 6:01 pm
LAS
-
DEC
10h 41m2 stops
United Airlines Logo
9:49 am - 9:57 pm
DEC
-
LAS
14h 08m2 stops
$404United Airlines
Thu, Jan 8 - Mon, Jan 12

United Airlines flights from Las Vegas to Decatur, Illinois

Our best United Airlines deals on Las Vegas to Decatur, Illinois flight tickets
United Airlines
Jan 15
LAS11:30 pmLas Vegas Harry Reid Intl
7h 35m
1 stop
DEC9:05 amDecatur Arpt
Jan 18
DEC9:49 amDecatur Arpt
11h 13m
2 stops
LAS7:02 pmLas Vegas Harry Reid Intl
$374
Find similar
United Airlines
Jan 15
LAS6:00 amLas Vegas Harry Reid Intl
10h 01m
2 stops
DEC6:01 pmDecatur Arpt
Jan 18
DEC9:49 amDecatur Arpt
14h 02m
2 stops
LAS9:51 pmLas Vegas Harry Reid Intl
$379
Find similar
United Airlines
Jan 8
LAS11:30 pmLas Vegas Harry Reid Intl
7h 35m
1 stop
DEC9:05 amDecatur Arpt
Jan 12
DEC7:09 pmDecatur Arpt
6h 10m
1 stop
LAS11:19 pmLas Vegas Harry Reid Intl
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Decatur, Illinois 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 21, 2025.
Use the filters below to find and compare flights from Las Vegas to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/15

11:30 pm-9:05 am

1 stop7h 35m

Decatur Arpt

Sun 1/18

9:49 am-7:02 pm

2 stops11h 13m

$374

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/15

6:00 am-6:01 pm

2 stops10h 01m

Decatur Arpt

Sun 1/18

9:49 am-9:51 pm

2 stops14h 02m

$379

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/8

11:30 pm-9:05 am

1 stop7h 35m

Decatur Arpt

Mon 1/12

7:09 pm-11:19 pm

1 stop6h 10m

$389

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/8

11:30 pm-9:05 am

1 stop7h 35m

Decatur Arpt

Mon 1/12

9:49 am-7:02 pm

2 stops11h 13m

$399

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/8

5:20 am-6:01 pm

2 stops10h 41m

Decatur Arpt

Mon 1/12

9:49 am-9:57 pm

2 stops14h 08m

$404

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 12/31

12:59 am-5:59 pm

2 stops15h 00m

$393

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/1

2:26 pm-5:59 pm

1 stop25h 33m

$428

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/1

6:00 am-9:05 am

3 stops25h 05m

$506

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 12/25

11:59 pm-9:05 am

1 stop7h 06m

$557

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 12/25

7:10 pm-9:05 am

2 stops11h 55m

$567

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Decatur from

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

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 day to depart on your flight to Decatur, Illinois?

The cheapest day to depart on your flight to Decatur, Illinois is on a Friday when prices can be found for as low as $431. This is often the case because there is less demand to fly during this day of the week. Flights from Las Vegas to Decatur, Illinois on a Tuesday will generally be more expensive and average around $989. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Decatur, Illinois?

In the morning is the cheapest time of day to fly from Las Vegas to Decatur, Illinois when you can find flight prices for as low as $431. Flying to Decatur, Illinois in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Decatur, Illinois, so prices are often more expensive at around $989 per ticket.

When to book flights from Las Vegas to Decatur, Illinois

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

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

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

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from Las Vegas to Decatur, Illinois takes 7h 35m
There are no direct flights from Las Vegas to Decatur, Illinois. There are no popular flight routes from Las Vegas to Decatur, Illinois.
Search flight deals

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

    Decatur Arpt is 1441.3 mi away from Las Vegas Harry Reid Intl. Typically, this will take 7h 35m by plane in normal conditions.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The travel and health documents you'll need for your trip to Decatur Arpt 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 Decatur Arpt Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Decatur?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Decatur from Las Vegas.

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

All flight searches from Las Vegas to Decatur on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Las Vegas and Decatur by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Las Vegas to Decatur flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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