What is the cheapest airline to fly from Chicago Greater Rockford Airport to Las Vegas round-trip?

Allegiant Air, at $124, was found to be the cheapest airline from Chicago Greater Rockford Airport to Las Vegas.. Allegiant Air is priced at 47% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Chicago Greater Rockford Airport to Las Vegas?

Travelers seeking maximum savings on their Chicago Greater Rockford Airport to Las Vegas flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the cheapest flights from Chicago Greater Rockford Airport to Las Vegas?

While on average a flight from Chicago Greater Rockford Airport to Las Vegas is generally $218, our data shows the cheapest flight currently is $140. When looking at the most popular route, (Chicago Greater Rockford - Las Vegas Harry Reid Intl), you can expect to pay $124 for that flight.

What is the cheapest day to fly round-trip from Chicago Greater Rockford Airport to Las Vegas?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Chicago Greater Rockford Airport to Las Vegas?

August is one of the best times of the year to fly to Las Vegas from Chicago Greater Rockford Airport. Prices for August average $254 per person but you can even find prices for as low as $87. The most expensive prices can be found in the month of March. Opting for a August flight can save you 22% on your journey compared to booking in March

What airport do you fly into for flights to Las Vegas from Chicago Greater Rockford?

Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Chicago Greater Rockford to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Chicago Greater Rockford; the airport handles an average of 0 inbound flights from Chicago Greater Rockford per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Las Vegas airport from Chicago Greater Rockford. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

Can I find deals for flights from Rockford to Las Vegas that include hotel bookings?

Yes. In addition to deals on Rockford to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Rockford to Las Vegas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rockford to Las Vegas.

Can I find deals for business class flights from Rockford to Las Vegas?

Yes. Cheapflights offers flight deals from Rockford to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$72+ Flights from Chicago Greater Rockford Airport to Las Vegas

Q: How far in advance should I book a flight from Chicago Greater Rockford Airport to Las Vegas?

To save up to 52% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago Greater Rockford Airport to Las Vegas from $215 1-2 weeks out and tickets from $345 for flights departing within the next 72 hours.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago Greater Rockford to Las Vegas Harry Reid Intl are usually found in January or August, booked 25 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Rockford to Las Vegas

Round-trip from	$124 (Mytrip)
One-way from	$72 (Gotogate)
Popular in	April
Cheapest in	January
Average price	$234
Good round-trip deal	$168 or less

From Chicago Greater Rockford to Las Vegas Harry Reid Intl

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One-way flight from Chicago Greater Rockford to Las Vegas Harry Reid Intl

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Highest demand for flights based on searches. 7% potential increase in price ($17 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Chicago Greater Rockford to Las Vegas Harry Reid Intl.

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Find flight deals from Rockford to Las Vegas

Cheapest flights from Rockford to Las Vegas
Explore the most affordable flight options available from Rockford to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Sun 8/1712:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mAllegiant Air

Deal found 7/27

$124

Mon 9/1510:37 amRFD - LAS

1 stop14h 00mMultiple Airlines

Thu 9/181:28 pmLAS - RFD

Nonstop3h 24mMultiple Airlines

Deal found 7/26

$203

Best flights from Rockford to Las Vegas
Discover carefully curated flight deals from Rockford to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Sun 8/1712:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mAllegiant Air

Deal found 7/27

$124

Mon 9/1510:37 amRFD - LAS

1 stop14h 00mMultiple Airlines

Thu 9/181:28 pmLAS - RFD

Nonstop3h 24mMultiple Airlines

Deal found 7/26

$203

Last-minute flights from Rockford to Las Vegas
Discover last-minute flight deals from Rockford to Las Vegas. Data last updated July 28, 2025 and is based on user searches.

Thu 8/712:44 pmRFD - LAS

Nonstop3h 32mAllegiant Air

Thu 8/146:25 amLAS - RFD

Nonstop3h 23mAllegiant Air

Deal found 7/25

$186

Thu 8/79:21 amRFD - LAS

2 stops15h 46mMultiple Airlines

Thu 8/146:25 amLAS - RFD

Nonstop3h 23mMultiple Airlines

Deal found 7/27

$230

Sun 8/1712:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mAllegiant Air

Deal found 7/27

$124

Sun 8/313:06 pmRFD - LAS

2 stops19h 26mMultiple Airlines

Thu 9/41:28 pmLAS - RFD

Nonstop3h 24mMultiple Airlines

Deal found 7/26

$210

One-way flights from Rockford to Las Vegas
Search for one-way flight options from Rockford to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Sun 8/1712:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Deal found 7/28

$72

Fri 9/1210:37 amRFD - LAS

1 stop14h 00mMultiple Airlines

Deal found 7/27

$125

Cheapflights Fare Finder

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 8/17

12:38 pm-2:16 pm

Nonstop3h 38m

Las Vegas Harry Reid Intl

Thu 8/21

6:45 am-12:08 pm

Nonstop3h 23m

$124

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Mon 9/15

10:37 am-10:37 pm

1 stop14h 00m

Las Vegas Harry Reid Intl

Thu 9/18

1:28 pm-6:52 pm

Nonstop3h 24m

$203

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Sun 8/17

12:38 pm-2:16 pm

Nonstop3h 38m

$72

ChicagoLas Vegas

RFD - LAS

RFDLAS

Chicago Greater Rockford

Mon 10/6

3:00 pm-10:37 pm

1 stop9h 37m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Rockford to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Rockford with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago Greater Rockford Airport to Las Vegas

How far ahead should I book a flight from Chicago Greater Rockford Airport to Las Vegas?

The best time to book flights from Chicago Greater Rockford Airport to Las Vegas is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago Greater Rockford Airport to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Chicago Greater Rockford Airport to Las Vegas (average of $198). Flying from Chicago Greater Rockford Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RFD to LAS?

One of the essential ways to save on airfare from Chicago Greater Rockford Airport to Las Vegas is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 20% on airfare.

Reviews of airlines servicing Las Vegas

Read reviews from past customers who have flown Allegiant Air from Chicago Greater Rockford Airport to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Allegiant Air

7.2

Good

702 reviews

Reviews

1 / 20

10.0

Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Allegiant Air

7.2

Good

702 reviews

Allegiant Air

7.2

Good

702 reviews

Reviews

1 / 20

10.0

Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Related info for your journey

What airport do you fly into for flights to Las Vegas from Chicago Greater Rockford?
Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Chicago Greater Rockford to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Chicago Greater Rockford; the airport handles an average of 0 inbound flights from Chicago Greater Rockford per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Las Vegas airport from Chicago Greater Rockford. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.
What is the cheapest airline to fly from Chicago Greater Rockford Airport to Las Vegas round-trip?
Allegiant Air, at $124, was found to be the cheapest airline from Chicago Greater Rockford Airport to Las Vegas.. Allegiant Air is priced at 47% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest flights from Chicago Greater Rockford Airport to Las Vegas?
While on average a flight from Chicago Greater Rockford Airport to Las Vegas is generally $218, our data shows the cheapest flight currently is $140. When looking at the most popular route, (Chicago Greater Rockford - Las Vegas Harry Reid Intl), you can expect to pay $124 for that flight.
Can I find deals for flights from Rockford to Las Vegas that include hotel bookings?
Yes. In addition to deals on Rockford to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Rockford to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rockford to Las Vegas.
Can I find deals for business class flights from Rockford to Las Vegas?
Yes. Cheapflights offers flight deals from Rockford to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago Greater Rockford Airport to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Chicago Greater Rockford Airport to Las Vegas (average of $198). Flying from Chicago Greater Rockford Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Las Vegas

Top 2 airlines flying from Rockford to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$85	Average$193	FlexibilityNo cancel fee	On-time65%
Allegiant Air	Cheapest$129	Average$250	FlexibilityNo cancel fee	On-time88%

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$72+ Cheap flights from Greater Rockford (RFD) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rockford to Las Vegas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago Greater Rockford to Las Vegas Harry Reid Intl are usually found in January or August, booked 25 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Rockford to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from Rockford to Las Vegas

Cheapest flights from Rockford to Las VegasExplore the most affordable flight options available from Rockford to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from Rockford to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago Greater Rockford Airport to Las Vegas that are best for you.

Best time to book a flight from Rockford to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Rockford with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago Greater Rockford Airport to Las Vegas

How far ahead should I book a flight from Chicago Greater Rockford Airport to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Rockford to Las Vegas. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from Chicago Greater Rockford Airport to Las Vegas?

What is the cheapest time of day to fly from RFD to LAS?

Find hourly flight availability from Rockford to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

Reviews of airlines servicing Las Vegas

Read reviews from past customers who have flown Allegiant Air from Chicago Greater Rockford Airport to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Rockford to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Las Vegas from Chicago Greater Rockford?

What is the cheapest airline to fly from Chicago Greater Rockford Airport to Las Vegas round-trip?

What are the cheapest flights from Chicago Greater Rockford Airport to Las Vegas?

Can I find deals for flights from Rockford to Las Vegas that include hotel bookings?

How can I find direct flights from Rockford to Las Vegas?

Can I find deals for business class flights from Rockford to Las Vegas?

What is the cheapest month to book a flight from Chicago Greater Rockford Airport to Las Vegas?

Traveling to a place near Las Vegas?

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Alternative routes for Rockford to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Rockford to Las Vegas

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Cheapest flights from Rockford to Las Vegas
Explore the most affordable flight options available from Rockford to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.