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Cheap flights from Chicago Greater Rockford Airport to Las Vegas from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago Greater Rockford Airport to Las Vegas departing on 12/14. 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 Chicago Greater Rockford Airport to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
1:20 pm - 3:01 pmRFD-LAS
3h 41mnonstop
Allegiant Air Logo
7:10 am - 12:34 pmLAS-RFD
3h 24mnonstop
$144Allegiant Air
Find Deal
Sun, Dec 14 - Thu, Jan 8
Allegiant Air Logo
12:54 pm - 2:42 pmRFD-LAS
3h 48mnonstop
Allegiant Air Logo
6:35 am - 11:53 amLAS-RFD
3h 18mnonstop
$151Allegiant Air
Find Deal
Sun, Nov 2 - Thu, Nov 6
Allegiant Air Logo
12:54 pm - 2:42 pmRFD-LAS
3h 48mnonstop
Allegiant Air Logo
6:35 am - 11:53 amLAS-RFD
3h 18mnonstop
$157Allegiant Air
Find Deal
Sun, Nov 2 - Thu, Nov 6
Allegiant Air Logo
1:44 pm - 3:32 pmRFD-LAS
3h 48mnonstop
Allegiant Air Logo
6:25 am - 11:49 amLAS-RFD
3h 24mnonstop
$159Allegiant Air
Find Deal
Sun, Oct 26 - Thu, Oct 30
Allegiant Air Logo
1:24 pm - 3:16 pmRFD-LAS
3h 52mnonstop
Allegiant Air Logo
7:10 am - 12:34 pmLAS-RFD
3h 24mnonstop
$160Allegiant Air
Find Deal
Sun, Feb 1 - Thu, Feb 5
Allegiant Air Logo
12:43 pm - 2:26 pmRFD-LAS
3h 43mnonstop
Allegiant Air Logo
6:00 am - 11:17 amLAS-RFD
3h 17mnonstop
$161Allegiant Air
Find Deal
Sun, Nov 16 - Tue, Nov 25
Allegiant Air Logo
12:45 pm - 2:26 pmRFD-LAS
3h 41mnonstop
Allegiant Air Logo
6:05 am - 11:25 amLAS-RFD
3h 20mnonstop
$166Allegiant Air
Find Deal
Sun, Dec 21 - Tue, Dec 23
Allegiant Air Logo
12:45 pm - 2:26 pmRFD-LAS
3h 41mnonstop
Allegiant Air Logo
6:05 am - 11:25 amLAS-RFD
3h 20mnonstop
$167Allegiant Air
Find Deal
Sun, Dec 21 - Tue, Dec 23
Multiple Airlines Logo
3:03 pm - 12:43 amRFD-LAS
11h 40m1 stop
Multiple Airlines Logo
6:25 am - 11:49 amLAS-RFD
3h 24mnonstop
$198Multiple Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Multiple Airlines Logo
3:07 pm - 2:46 pmRFD-LAS
25h 39m2 stops
Multiple Airlines Logo
7:30 am - 12:54 pmLAS-RFD
3h 24mnonstop
$202Multiple Airlines
Find Deal
Mon, Oct 20 - Thu, Oct 23

Allegiant Air flights from Chicago Greater Rockford Airport to Las Vegas

Our best Allegiant Air deals on Chicago Greater Rockford Airport to Las Vegas flight tickets
Allegiant Air
Dec 14
RFD1:20 pmChicago Greater Rockford
3h 41m
LAS3:01 pmLas Vegas Harry Reid Intl
Jan 8
LAS7:10 amLas Vegas Harry Reid Intl
3h 24m
RFD12:34 pmChicago Greater Rockford
$144
Find similar
Allegiant Air
Nov 2
RFD12:54 pmChicago Greater Rockford
3h 48m
LAS2:42 pmLas Vegas Harry Reid Intl
Nov 6
LAS6:35 amLas Vegas Harry Reid Intl
3h 18m
RFD11:53 amChicago Greater Rockford
$151
Find similar
Allegiant Air
Oct 5
RFD1:44 pmChicago Greater Rockford
3h 48m
LAS3:32 pmLas Vegas Harry Reid Intl
Oct 16
LAS7:30 amLas Vegas Harry Reid Intl
3h 24m
RFD12:54 pmChicago Greater Rockford
$155
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Greater Rockford Airport 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 October 1, 2025.
Use the filters below to find and compare flights from Chicago Greater Rockford Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 12/14

1:20 pm-3:01 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Thu 1/8

7:10 am-12:34 pm

Nonstop3h 24m

$144

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 11/2

12:54 pm-2:42 pm

Nonstop3h 48m

Las Vegas Harry Reid Intl

Thu 11/6

6:35 am-11:53 am

Nonstop3h 18m

$151

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 11/2

12:54 pm-2:42 pm

Nonstop3h 48m

Las Vegas Harry Reid Intl

Thu 11/6

6:35 am-11:53 am

Nonstop3h 18m

$157

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 10/26

1:44 pm-3:32 pm

Nonstop3h 48m

Las Vegas Harry Reid Intl

Thu 10/30

6:25 am-11:49 am

Nonstop3h 24m

$159

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 2/1

1:24 pm-3:16 pm

Nonstop3h 52m

Las Vegas Harry Reid Intl

Thu 2/5

7:10 am-12:34 pm

Nonstop3h 24m

$160

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 11/16

12:43 pm-2:26 pm

Nonstop3h 43m

Las Vegas Harry Reid Intl

Tue 11/25

6:00 am-11:17 am

Nonstop3h 17m

$161

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 12/21

12:45 pm-2:26 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Tue 12/23

6:05 am-11:25 am

Nonstop3h 20m

$166

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 12/21

12:45 pm-2:26 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Tue 12/23

6:05 am-11:25 am

Nonstop3h 20m

$167

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Mon 10/27

3:03 pm-12:43 am

1 stop11h 40m

Las Vegas Harry Reid Intl

Thu 10/30

6:25 am-11:49 am

Nonstop3h 24m

$198

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Mon 10/20

3:07 pm-2:46 pm

2 stops25h 39m

Las Vegas Harry Reid Intl

Thu 10/23

7:30 am-12:54 pm

Nonstop3h 24m

$202

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Chicago Greater Rockford Airport 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 month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Chicago Greater Rockford Airport, with most prices found around $184. The month of November is another great option to travel to Las Vegas, with average flight prices from Chicago Greater Rockford Airport averaging around $232.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $239. Flights from Chicago Greater Rockford Airport to Las Vegas on a Thursday will generally be more expensive and average around $309. 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 Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $234. Flights to Las Vegas are more costly in the morning, with an average ticket price of $310. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago Greater Rockford to Las Vegas Harry Reid Intl flight route?

Fly from Chicago Greater Rockford to Las Vegas Harry Reid Intl for the best Chicago Greater Rockford - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Chicago Greater Rockford Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Chicago Greater Rockford Airport for as low as $186 on momondo.

What cabin class options are available on Chicago Greater Rockford to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Chicago Greater Rockford to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago Greater Rockford Airport to Las Vegas flight prices changed over time?

As of October 2025, prices for Chicago Greater Rockford Airport to Las Vegas flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Chicago Greater Rockford Airport to Las Vegas

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

Cheap Chicago Greater Rockford Airport to Las Vegas (RFD to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago Greater Rockford Airport to Las Vegas

Best Price Found

$135

Fastest flight time

3h 41m

Direct flights

Mon, Wed, Fri and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Chicago Greater Rockford Airport in the past 72 hours is $135. The best round-trip flight deal from Chicago Greater Rockford Airport to Las Vegas found on momondo in the last 72 hours is $194.
The fastest flight from Chicago Greater Rockford Airport to Las Vegas takes 3h 41m
Direct flights go from Chicago Greater Rockford Airport to Las Vegas on Monday, Wednesday, Friday and Sunday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • How far is Chicago Greater Rockford to Las Vegas Harry Reid Intl by plane?

    Chicago Greater Rockford and Las Vegas Harry Reid Intl are 1447.9 mi apart from one another. A reasonable flight in good conditions will take 3h 41m.

  • When did momondo last update prices for flights from Chicago Greater Rockford Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Chicago Greater Rockford Airport to Las Vegas Harry Reid Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago Greater Rockford Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Chicago Greater Rockford Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago Greater Rockford 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 plane model from Chicago Greater Rockford Airport to Las Vegas?

  • What is the most popular airline from Chicago Greater Rockford Airport to Las Vegas?

Best airlines flying from Chicago Greater Rockford Airport to Las Vegas

Compare and see reviews for airlines that fly from Chicago Greater Rockford Airport to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $133Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

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

It is quick and easy to find Chicago to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.

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

Yes. momondo enables you to select and highlight flights to Las Vegas from Chicago with this policy.

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

Once you have performed a search for Chicago to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago 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 Chicago and alert you when they change.

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