Cheap flights from Las Vegas to Chicago from $72

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 12/24. 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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Multiple Airlines Logo
11:59 pm - 5:32 amLAS-ORD
3h 33mnonstop
Multiple Airlines Logo
12:59 pm - 3:15 pmORD-LAS
4h 16mnonstop
$109Multiple Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
Multiple Airlines Logo
6:20 am - 2:34 pmLAS-ORD
6h 14m1 stop
Multiple Airlines Logo
10:43 pm - 12:44 amORD-LAS
4h 01mnonstop
$110Multiple Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Spirit Airlines Logo
6:49 am - 12:31 pmLAS-ORD
3h 42mnonstop
Spirit Airlines Logo
1:48 pm - 10:54 pmORD-LAS
11h 06m1 stop
$111Spirit Airlines
Find Deal
Thu, Oct 30 - Tue, Nov 4
Frontier Logo
12:59 am - 12:15 amLAS-ORD
21h 16m1 stop
Frontier Logo
10:43 pm - 12:44 amORD-LAS
4h 01mnonstop
$112Frontier
Find Deal
Wed, Nov 5 - Sun, Nov 9
Frontier Logo
7:00 am - 1:15 amLAS-ORD
16h 15m1 stop
Frontier Logo
10:43 pm - 12:44 amORD-LAS
4h 01mnonstop
$114Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
Spirit Airlines Logo
11:59 pm - 5:32 amLAS-ORD
3h 33mnonstop
Spirit Airlines Logo
8:00 am - 10:05 amORD-LAS
4h 05mnonstop
$117Spirit Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
Southwest Logo
9:35 pm - 11:30 pmMDW-LAS
3h 55mnonstop
$136Southwest
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
11:55 pm - 5:45 amLAS-ORD
3h 50mnonstop
American Airlines Logo
8:28 am - 10:40 amORD-LAS
4h 12mnonstop
$145American Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 9
Southwest Logo
11:40 pm - 5:05 amLAS-MDW
3h 25mnonstop
Southwest Logo
3:40 pm - 5:45 pmMDW-LAS
4h 05mnonstop
$149Southwest
Find Deal
Fri, Jan 23 - Mon, Jan 26
American Airlines Logo
7:00 am - 12:50 pmLAS-ORD
3h 50mnonstop
American Airlines Logo
6:55 pm - 9:13 pmORD-LAS
4h 18mnonstop
$155American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8

Spirit Airlines flights from Las Vegas to Chicago

Our best Spirit Airlines deals on Las Vegas to Chicago flight tickets
Spirit Airlines
Oct 30
LAS6:49 amLas Vegas Harry Reid Intl
3h 42m
ORD12:31 pmChicago O'Hare Intl
Nov 4
ORD1:48 pmChicago O'Hare Intl
11h 06m
1 stop
LAS10:54 pmLas Vegas Harry Reid Intl
Spirit Airlines
Nov 6
LAS11:59 pmLas Vegas Harry Reid Intl
3h 33m
ORD5:32 amChicago O'Hare Intl
Nov 9
ORD8:00 amChicago O'Hare Intl
4h 05m
LAS10:05 amLas Vegas Harry Reid Intl
Spirit Airlines
Oct 30
LAS6:49 amLas Vegas Harry Reid Intl
3h 42m
ORD12:31 pmChicago O'Hare Intl
Nov 4
ORD7:58 pmChicago O'Hare Intl
4h 09m
LAS10:07 pmLas Vegas Harry Reid Intl

Frontier flights from Las Vegas to Chicago

Our best Frontier deals on Las Vegas to Chicago flight tickets
Frontier
Nov 5
LAS12:59 amLas Vegas Harry Reid Intl
21h 16m
1 stop
ORD12:15 amChicago O'Hare Intl
Nov 9
ORD10:43 pmChicago O'Hare Intl
4h 01m
LAS12:44 amLas Vegas Harry Reid Intl
Frontier
Oct 31
LAS7:00 amLas Vegas Harry Reid Intl
16h 15m
1 stop
ORD1:15 amChicago O'Hare Intl
Nov 3
ORD10:43 pmChicago O'Hare Intl
4h 01m
LAS12:44 amLas Vegas Harry Reid Intl
Frontier
Oct 31
LAS3:45 pmLas Vegas Harry Reid Intl
3h 58m
ORD9:43 pmChicago O'Hare Intl
Nov 3
ORD6:40 amChicago O'Hare Intl
29h 51m
1 stop
LAS10:31 amLas Vegas Harry Reid Intl

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 October 18, 2025.
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

Mon 12/1

11:59 pm-5:32 am

Nonstop3h 33m

Chicago O'Hare Intl

Mon 12/8

12:59 pm-3:15 pm

Nonstop4h 16m

$109

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 10/31

6:20 am-2:34 pm

1 stop6h 14m

Chicago O'Hare Intl

Sun 11/2

10:43 pm-12:44 am

Nonstop4h 01m

$110

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 10/30

6:49 am-12:31 pm

Nonstop3h 42m

Chicago O'Hare Intl

Tue 11/4

1:48 pm-10:54 pm

1 stop11h 06m

$111

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 11/5

12:59 am-12:15 am

1 stop21h 16m

Chicago O'Hare Intl

Sun 11/9

10:43 pm-12:44 am

Nonstop4h 01m

$112

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 10/31

7:00 am-1:15 am

1 stop16h 15m

Chicago O'Hare Intl

Mon 11/3

10:43 pm-12:44 am

Nonstop4h 01m

$114

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 11/6

11:59 pm-5:32 am

Nonstop3h 33m

Chicago O'Hare Intl

Sun 11/9

8:00 am-10:05 am

Nonstop4h 05m

$117

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Wed 11/12

11:40 pm-5:05 am

Nonstop3h 25m

Chicago Midway

Sun 11/16

9:35 pm-11:30 pm

Nonstop3h 55m

$136

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 11/25

11:55 pm-5:45 am

Nonstop3h 50m

Chicago O'Hare Intl

Tue 12/9

8:28 am-10:40 am

Nonstop4h 12m

$145

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Fri 1/23

11:40 pm-5:05 am

Nonstop3h 25m

Chicago Midway

Mon 1/26

3:40 pm-5:45 pm

Nonstop4h 05m

$149

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 12/6

7:00 am-12:50 pm

Nonstop3h 50m

Chicago O'Hare Intl

Mon 12/8

6:55 pm-9:13 pm

Nonstop4h 18m

$155

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 typical price of a round-trip flight between Las Vegas and Chicago?

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 February is your next best option. Flight prices from Las Vegas to Chicago during February average around $175.

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 $283. 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 $471.

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 afternoon. Flights from Las Vegas to Chicago during this time can be as low as $275. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $500.

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

Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl 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 $250 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 $181 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 October 2025, prices for Las Vegas to Chicago flights are approximately 70% 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

$129

Fastest flight time

3h 15m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Las Vegas in the past 72 hours is $129. The best round-trip flight deal from Las Vegas to Chicago found on momondo in the last 72 hours is $194.
The fastest flight from Las Vegas to Chicago takes 3h 15m
Direct flights go from Las Vegas to Chicago every day.
There are 2 airports near Chicago: 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 15m.

  • 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
Spirit AirlinesPriceFrom $67Free CancellationRating
6.3
8,102 reviews
Search Spirit Airlines flights
FrontierPriceFrom $79Free CancellationRating
5.8
3,134 reviews
Search Frontier flights
Allegiant AirPriceFrom $91Free CancellationRating
7.2
695 reviews
Search Allegiant Air flights
DeltaPriceFrom $118Free CancellationRating
7.9
7,974 reviews
Search Delta flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
8,986 reviews
Search United Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
  • Southwest Flights From Las Vegas to Chicago

    Southwest flies from Las Vegas to Chicago around 48 times per week, with 4,244 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, 8,986 ratings). United Airlines flies from Las Vegas to Chicago around 33 times per week, with deals starting from $157 round-trip and rising to an average price of around $325.

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
Crown Point
Munster
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
Mon 11/17
Mon 11/24

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