Cheap flights from Las Vegas to Chicago from $84

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Chicago departing on 1/30. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:39 am - 5:26 pm
LAS
-
ORD
3h 47mnonstop
Frontier Logo
12:53 pm - 11:44 pm
ORD
-
LAS
12h 51m
1 stop
$133Frontier
Fri, Feb 13 - Fri, Feb 20
Frontier Logo
12:59 am - 1:53 pm
LAS
-
MDW
10h 54m
1 stop
Frontier Logo
7:25 pm - 3:21 pm
MDW
-
LAS
21h 56m
1 stop
$134Frontier
Thu, Feb 12 - Mon, Feb 23
Frontier Logo
11:58 pm - 10:51 am
LAS
-
ORD
8h 53m
1 stop
Frontier Logo
9:15 am - 3:21 pm
ORD
-
LAS
8h 06m
1 stop
$135Frontier
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
1:01 am - 2:17 pm
LAS
-
ORD
11h 16m
1 stop
Multiple Airlines Logo
9:38 pm - 11:59 pm
ORD
-
LAS
4h 21mnonstop
$136Multiple Airlines
Thu, Jan 29 - Sun, Feb 8
Multiple Airlines Logo
1:01 am - 2:17 pm
LAS
-
ORD
11h 16m
1 stop
Multiple Airlines Logo
9:38 pm - 11:59 pm
ORD
-
LAS
4h 21mnonstop
$137Multiple Airlines
Mon, Feb 2 - Sun, Feb 8
Frontier Logo
5:36 am - 4:19 pm
LAS
-
ORD
8h 43m
1 stop
Frontier Logo
6:00 am - 3:40 pm
ORD
-
LAS
11h 40m
1 stop
$138Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
6:00 am - 6:31 pm
LAS
-
ORD
10h 31m
1 stop
Frontier Logo
9:38 pm - 11:59 pm
ORD
-
LAS
4h 21mnonstop
$139Frontier
Thu, Jan 29 - Sun, Feb 1
Southwest Logo
5:05 am - 10:30 am
LAS
-
MDW
3h 25mnonstop
Southwest Logo
8:40 pm - 10:45 pm
MDW
-
LAS
4h 05mnonstop
$159Southwest
Sat, Feb 14 - Mon, Feb 23
Allegiant Air Logo
6:40 am - 12:00 pm
LAS
-
RFD
3h 20mnonstop
Allegiant Air Logo
12:50 pm - 2:39 pm
RFD
-
LAS
3h 49mnonstop
$207Allegiant Air
Thu, May 14 - Sun, May 17
Allegiant Air Logo
6:30 am - 11:51 am
LAS
-
RFD
3h 21mnonstop
Allegiant Air Logo
12:41 pm - 2:39 pm
RFD
-
LAS
3h 58mnonstop
$227Allegiant Air
Thu, Feb 26 - Sun, Mar 1

Frontier flights from Las Vegas to Chicago

Our best Frontier deals on Las Vegas to Chicago flight tickets
Frontier
Feb 13
LAS11:39 amLas Vegas Harry Reid Intl
3h 47m
ORD5:26 pmChicago O'Hare Intl
Feb 20
ORD12:53 pmChicago O'Hare Intl
12h 51m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
$133
Frontier
Feb 12
LAS12:59 amLas Vegas Harry Reid Intl
10h 54m
1 stop
MDW1:53 pmChicago Midway
Feb 23
MDW7:25 pmChicago Midway
21h 56m
1 stop
LAS3:21 pmLas Vegas Harry Reid Intl
$134
Frontier
Feb 24
LAS11:58 pmLas Vegas Harry Reid Intl
8h 53m
1 stop
ORD10:51 amChicago O'Hare Intl
Mar 3
ORD9:15 amChicago O'Hare Intl
8h 06m
1 stop
LAS3:21 pmLas Vegas Harry Reid Intl
$135

Spirit Airlines flights from Las Vegas to Chicago

Our best Spirit Airlines deals on Las Vegas to Chicago flight tickets
Spirit Airlines
Feb 4
LAS9:54 pmLas Vegas Harry Reid Intl
11h 28m
1 stop
ORD11:22 amChicago O'Hare Intl
Feb 9
ORD3:22 pmChicago O'Hare Intl
9h 39m
1 stop
LAS11:01 pmLas Vegas Harry Reid Intl
$157
Spirit Airlines
Jan 28
LAS1:01 amLas Vegas Harry Reid Intl
11h 16m
1 stop
ORD2:17 pmChicago O'Hare Intl
Feb 1
ORD3:22 pmChicago O'Hare Intl
9h 39m
1 stop
LAS11:01 pmLas Vegas Harry Reid Intl
$164
Spirit Airlines
Jan 28
LAS9:59 pmLas Vegas Harry Reid Intl
11h 23m
1 stop
ORD11:22 amChicago O'Hare Intl
Jan 31
ORD3:22 pmChicago O'Hare Intl
9h 39m
1 stop
LAS11:01 pmLas Vegas Harry Reid Intl
$170

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Chicago 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 January 16, 2026.
Use the filters below to find and compare flights from Las Vegas to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 2/13

11:39 am-5:26 pm

Nonstop3h 47m

Chicago O'Hare Intl

Fri 2/20

12:53 pm-11:44 pm

1 stop12h 51m

$133

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Thu 2/12

12:59 am-1:53 pm

1 stop10h 54m

Chicago Midway

Mon 2/23

7:25 pm-3:21 pm

1 stop21h 56m

$134

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 2/24

11:58 pm-10:51 am

1 stop8h 53m

Chicago O'Hare Intl

Tue 3/3

9:15 am-3:21 pm

1 stop8h 06m

$135

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 1/29

1:01 am-2:17 pm

1 stop11h 16m

Chicago O'Hare Intl

Sun 2/8

9:38 pm-11:59 pm

Nonstop4h 21m

$136

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 2/2

1:01 am-2:17 pm

1 stop11h 16m

Chicago O'Hare Intl

Sun 2/8

9:38 pm-11:59 pm

Nonstop4h 21m

$137

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 2/20

5:36 am-4:19 pm

1 stop8h 43m

Chicago O'Hare Intl

Mon 2/23

6:00 am-3:40 pm

1 stop11h 40m

$138

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 1/29

6:00 am-6:31 pm

1 stop10h 31m

Chicago O'Hare Intl

Sun 2/1

9:38 pm-11:59 pm

Nonstop4h 21m

$139

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Sat 2/14

5:05 am-10:30 am

Nonstop3h 25m

Chicago Midway

Mon 2/23

8:40 pm-10:45 pm

Nonstop4h 05m

$159

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 5/14

6:40 am-12:00 pm

Nonstop3h 20m

Chicago Greater Rockford

Sun 5/17

12:50 pm-2:39 pm

Nonstop3h 49m

$207

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 2/26

6:30 am-11:51 am

Nonstop3h 21m

Chicago Greater Rockford

Sun 3/1

12:41 pm-2:39 pm

Nonstop3h 58m

$227

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 Chicago from

How to get the cheapest flight ticket from Las Vegas to Chicago

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 Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Las Vegas, with most prices found around $159. If you’re not able to fly to Chicago in September, then June is your next best option. Flight prices from Las Vegas to Chicago during June average around $189.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $286. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Chicago for around $474.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Las Vegas to Chicago during this time can be as low as $288. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $492.

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

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Las Vegas for as low as $176 on momondo.

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

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Chicago flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Chicago.

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

As of January 2026, prices for Las Vegas to Chicago flights are approximately 23% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Chicago

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

Cheap Las Vegas to Chicago (LAS to CHI) flight deals and tips

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

Best Price Found

$107

Fastest flight time

3h 20m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Las Vegas in the past 72 hours is $107. The best round-trip flight deal from Las Vegas to Chicago found on momondo in the last 72 hours is $259.
The fastest flight from Las Vegas to Chicago takes 3h 20m
Direct flights go from Las Vegas to Chicago every day.
There are 3 airports in Chicago. From Las Vegas there are direct flights to Chicago O'Hare Intl (ORD), Chicago Greater Rockford (RFD), Chicago Midway (MDW).
  • How far is Las Vegas Harry Reid Intl to Chicago by plane?

    There are 1519.9 mi between Las Vegas Harry Reid Intl and Chicago. A reasonable flight in good conditions will take 3h 20m.

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

    Prices for flights from Las Vegas Harry Reid Intl Airport to Chicago are refreshed on a daily basis.

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

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

    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 Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago 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 Chicago. 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 Las Vegas to Chicago?

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

Best airlines flying from Las Vegas to Chicago

Compare and see reviews for airlines that fly from Las Vegas to Chicago with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $43Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $60Free CancellationRating
6.3
8,319 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $91Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $136Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
  • Southwest Flights From Las Vegas to Chicago

    Southwest flies from Las Vegas to Chicago around 49 times per week, with 4,258 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Las Vegas to Chicago in the last 72 hours was $159 (round-trip), much lower than the average airfare cost of $283 for Southwest flights on this route.

  • United Airlines Flights From Las Vegas to Chicago

    Another popular option for Las Vegas to Chicago flights is United Airlines (7.4/10, 9,163 ratings). United Airlines flies from Las Vegas to Chicago around 30 times per week, with deals starting from $136 round-trip and rising to an average price of around $320.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

It is quick and easy to find Las Vegas to Chicago 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 Chicago that suits you.

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

Flights from Las Vegas to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Las Vegas to Chicago 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 Las Vegas to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Las Vegas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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1 adult
Sun 2/15
Sun 2/22

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago