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

Cheapflights users have booked flights from Las Vegas to Chicago Greater Rockford Airport round-trip from $117. Allegiant Air is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

In terms of precipitation, rainfall in Chicago Greater Rockford Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago Greater Rockford Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago Greater Rockford Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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

On average you can expect to pay $97 for a flight from Las Vegas to Chicago Greater Rockford Airport. The cheapest flight overall is $97 while the most popular route, (Las Vegas Harry Reid Intl - Chicago Greater Rockford) is currently priced at $117.

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

Travelers have found that booking a Wednesday departure is the best way to save up to 35% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 119% on flights from Las Vegas to Chicago Greater Rockford Airport compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $167. For sooner than that we have options available in the next 3 days from $282.

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

September is one of the best times of the year to fly to Chicago Greater Rockford Airport from Las Vegas. Prices for September average $191 per person but you can even find prices for as low as $57. The most expensive prices can be found in the month of December. Opting for a September flight can save you 42% on your journey compared to booking in December

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

If you book a flight to Chicago Greater Rockford from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 0 flights from Harry Reid Intl to Chicago Greater Rockford per day from 1 airline.

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

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

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

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

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

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

$84+ Flights from Las Vegas to Chicago Greater Rockford Airport

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Cheap flight deals from Las Vegas to Rockford

Round-trip from	$117 (Booking.com)
One-way from	$84 (Kiwi.com)
Popular in	May
Cheapest in	November
Average price	$167
Good one-way deal	$97 or less

From Las Vegas Harry Reid Intl to Chicago Greater Rockford

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

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Highest demand for flights based on searches. 24% potential increase in price ($60 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($14 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 one-way flight from Las Vegas Harry Reid Intl to Chicago Greater Rockford.

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Find flight deals from Las Vegas to Rockford

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

Thu 9/252:23 pmLAS - RFD

Nonstop3h 24mAllegiant Air

Sun 9/288:37 pmRFD - LAS

Nonstop3h 34mAllegiant Air

Deal found 7/27

$117

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mMultiple Airlines

Sun 8/243:06 pmRFD - LAS

2 stops19h 26mMultiple Airlines

Deal found 7/25

$211

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

Thu 9/252:23 pmLAS - RFD

Nonstop3h 24mAllegiant Air

Sun 9/288:37 pmRFD - LAS

Nonstop3h 34mAllegiant Air

Deal found 7/27

$117

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mMultiple Airlines

Sun 8/243:06 pmRFD - LAS

2 stops19h 26mMultiple Airlines

Deal found 7/25

$211

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

Thu 8/76:30 amLAS - RFD

Nonstop3h 24mAllegiant Air

Thu 8/1412:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Deal found 7/27

$175

Thu 8/76:30 amLAS - RFD

Nonstop3h 24mMultiple Airlines

Sun 8/109:21 amRFD - LAS

1 stop16h 38mMultiple Airlines

Deal found 7/25

$239

Thu 8/146:25 amLAS - RFD

Nonstop3h 23mAllegiant Air

Sun 8/1712:38 pmRFD - LAS

Nonstop3h 38mAllegiant Air

Deal found 7/26

$170

Thu 8/216:45 amLAS - RFD

Nonstop3h 23mMultiple Airlines

Sun 8/243:06 pmRFD - LAS

2 stops19h 26mMultiple Airlines

Deal found 7/25

$211

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

Thu 9/252:23 pmLAS - RFD

Nonstop3h 24mAllegiant Air

Deal found 7/27

$84

Thu 9/410:33 pmLAS - RFD

2 stops13h 52mMultiple Airlines

Deal found 7/27

$146

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 9/25

2:23 pm-7:47 pm

Nonstop3h 24m

Chicago Greater Rockford

Sun 9/28

8:37 pm-10:11 pm

Nonstop3h 34m

$117

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 8/21

6:45 am-12:08 pm

Nonstop3h 23m

Chicago Greater Rockford

Sun 8/24

3:06 pm-8:32 am

2 stops19h 26m

$211

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 9/25

2:23 pm-7:47 pm

Nonstop3h 24m

$84

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 9/4

10:33 pm-2:25 pm

2 stops13h 52m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Las Vegas to Rockford

Have a flexible travel schedule? Discover the best time to fly to Rockford from Las Vegas 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 Las Vegas to Chicago Greater Rockford Airport

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

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from Las Vegas to Chicago Greater Rockford Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Rockford

Peruse reviews from past customers who have flown with Allegiant Air from Las Vegas to Chicago Greater Rockford Airport to help guide your decision. You can also see how each airline stacks up 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 from for flights from Las Vegas to Chicago Greater Rockford?
If you book a flight to Chicago Greater Rockford from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 0 flights from Harry Reid Intl to Chicago Greater Rockford per day from 1 airline.
What is the cheapest airline to fly from Las Vegas to Chicago Greater Rockford Airport round-trip?
Cheapflights users have booked flights from Las Vegas to Chicago Greater Rockford Airport round-trip from $117. Allegiant Air is priced at 35% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest flights from Las Vegas to Chicago Greater Rockford Airport?
On average you can expect to pay $97 for a flight from Las Vegas to Chicago Greater Rockford Airport. The cheapest flight overall is $97 while the most popular route, (Las Vegas Harry Reid Intl - Chicago Greater Rockford) is currently priced at $117.
Can I find deals for flights from Las Vegas to Rockford that include hotel bookings?
Yes. In addition to deals on Las Vegas to Rockford flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Rockford?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Rockford.
Can I find deals for business class flights from Las Vegas to Rockford?
Yes. Cheapflights offers flight deals from Las Vegas to Rockford by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Las Vegas to Rockford

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$114	Average$182	FlexibilityNo cancel fee	On-time88%

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$84+ Cheap flights from Las Vegas (LAS) to Greater Rockford (RFD)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Rockford with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Las Vegas to Rockford

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Las Vegas to Rockford

Cheapest flights from Las Vegas to RockfordExplore the most affordable flight options available from Las Vegas to Rockford. 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 Las Vegas to Rockford. 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 Las Vegas to Chicago Greater Rockford Airport that are best for you.

Best time to book a flight from Las Vegas to Rockford

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

Cheapflights Insights

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

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

Find hourly flight availability from Las Vegas to Rockford. 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 Rockford

Peruse reviews from past customers who have flown with Allegiant Air from Las Vegas to Chicago Greater Rockford Airport to help guide your decision. You can also see how each airline stacks up 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 Las Vegas to Rockford. 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 from for flights from Las Vegas to Chicago Greater Rockford?

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

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

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

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

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

Traveling to a place near Chicago Greater Rockford Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Las Vegas to Rockford

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

Top airline flying from Las Vegas to Rockford

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Travel Smart

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