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Cheap flights from Las Vegas to Chicago from $119

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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:50 am - 6:57 pm
LAS
-
ORD
10h 07m
1 stop
Multiple Airlines Logo
7:29 am - 9:37 am
ORD
-
LAS
4h 08mnonstop
$242Multiple Airlines
Fri, Aug 7 - Sat, Aug 8
Frontier Logo
11:49 pm - 5:37 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
7:15 am - 9:23 am
ORD
-
LAS
4h 08mnonstop
$243Frontier
Sat, Jul 18 - Wed, Jul 22
Multiple Airlines Logo
12:56 pm - 7:02 pm
LAS
-
ORD
4h 06mnonstop
Multiple Airlines Logo
6:01 am - 12:04 pm
ORD
-
LAS
8h 03m
1 stop
$244Multiple Airlines
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
11:49 pm - 5:37 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
7:29 am - 9:37 am
ORD
-
LAS
4h 08mnonstop
$245Frontier
Tue, Jul 14 - Sat, Aug 1
Frontier Logo
11:49 pm - 5:37 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
7:15 am - 9:23 am
ORD
-
LAS
4h 08mnonstop
$246Frontier
Sat, Jul 11 - Tue, Jul 28
Multiple Airlines Logo
2:38 pm - 11:36 pm
LAS
-
ORD
6h 58m
1 stop
Multiple Airlines Logo
7:29 am - 9:37 am
ORD
-
LAS
4h 08mnonstop
$247Multiple Airlines
Fri, Jul 31 - Sun, Aug 2
Frontier Logo
11:49 pm - 5:37 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
7:15 am - 9:23 am
ORD
-
LAS
4h 08mnonstop
$248Frontier
Sat, Jul 11 - Tue, Jul 28
Frontier Logo
8:59 pm - 1:36 pm
LAS
-
ORD
14h 37m
1 stop
Frontier Logo
8:45 am - 9:12 pm
ORD
-
LAS
14h 27m
1 stop
$249Frontier
Mon, Aug 17 - Sat, Aug 22
Frontier Logo
11:49 pm - 5:37 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
7:15 am - 9:23 am
ORD
-
LAS
4h 08mnonstop
$250Frontier
Fri, Jul 24 - Sun, Jul 26
Frontier Logo
2:28 pm - 12:33 am
LAS
-
ORD
8h 05m
1 stop
Frontier Logo
7:29 am - 9:37 am
ORD
-
LAS
4h 08mnonstop
$251Frontier
Thu, Aug 6 - Thu, Aug 13

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United Airlines flights from Las Vegas to Chicago O'Hare Intl Airport

Our best United Airlines deals on Las Vegas to Chicago O'Hare Intl Airport flight tickets
United Airlines
Aug 17
LAS9:08 amLas Vegas Harry Reid Intl
3h 52m
ORD3:00 pmChicago O'Hare Intl
Aug 22
ORD11:00 amChicago O'Hare Intl
4h 07m
LAS1:07 pmLas Vegas Harry Reid Intl
$267
United Airlines
Aug 18
LAS11:55 pmLas Vegas Harry Reid Intl
3h 30m
ORD5:25 amChicago O'Hare Intl
Aug 22
ORD8:40 amChicago O'Hare Intl
5h 46m
1 stop
LAS12:26 pmLas Vegas Harry Reid Intl
$277

Frontier flights from Las Vegas to Chicago O'Hare Intl Airport

Our best Frontier deals on Las Vegas to Chicago O'Hare Intl Airport flight tickets
Frontier
Jul 18
LAS11:49 pmLas Vegas Harry Reid Intl
3h 48m
ORD5:37 amChicago O'Hare Intl
Jul 22
ORD7:15 amChicago O'Hare Intl
4h 08m
LAS9:23 amLas Vegas Harry Reid Intl
$243
Frontier
Jul 14
LAS11:49 pmLas Vegas Harry Reid Intl
3h 48m
ORD5:37 amChicago O'Hare Intl
Aug 1
ORD7:29 amChicago O'Hare Intl
4h 08m
LAS9:37 amLas Vegas Harry Reid Intl
$245
Frontier
Jul 11
LAS11:49 pmLas Vegas Harry Reid Intl
3h 48m
ORD5:37 amChicago O'Hare Intl
Jul 28
ORD7:15 amChicago O'Hare Intl
4h 08m
LAS9:23 amLas Vegas Harry Reid Intl
$246

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Chicago O'Hare Intl Airport 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 July 1, 2026.
Use the filters below to find and compare flights from Las Vegas to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 8/7

6:50 am-6:57 pm

1 stop10h 07m

Chicago O'Hare Intl

Sat 8/8

7:29 am-9:37 am

Nonstop4h 08m

$242
Quickest round-trip

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 7/18

11:49 pm-5:37 am

Nonstop3h 48m

Chicago O'Hare Intl

Wed 7/22

7:15 am-9:23 am

Nonstop4h 08m

$243

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 8/21

12:56 pm-7:02 pm

Nonstop4h 06m

Chicago O'Hare Intl

Mon 8/24

6:01 am-12:04 pm

1 stop8h 03m

$244

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 7/14

11:49 pm-5:37 am

Nonstop3h 48m

Chicago O'Hare Intl

Sat 8/1

7:29 am-9:37 am

Nonstop4h 08m

$245

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 7/11

11:49 pm-5:37 am

Nonstop3h 48m

Chicago O'Hare Intl

Tue 7/28

7:15 am-9:23 am

Nonstop4h 08m

$246

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 7/31

2:38 pm-11:36 pm

1 stop6h 58m

Chicago O'Hare Intl

Sun 8/2

7:29 am-9:37 am

Nonstop4h 08m

$247

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sat 7/11

11:49 pm-5:37 am

Nonstop3h 48m

Chicago O'Hare Intl

Tue 7/28

7:15 am-9:23 am

Nonstop4h 08m

$248

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 8/17

8:59 pm-1:36 pm

1 stop14h 37m

Chicago O'Hare Intl

Sat 8/22

8:45 am-9:12 pm

1 stop14h 27m

$249

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 7/24

11:49 pm-5:37 am

Nonstop3h 48m

Chicago O'Hare Intl

Sun 7/26

7:15 am-9:23 am

Nonstop4h 08m

$250

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 8/6

2:28 pm-12:33 am

1 stop8h 05m

Chicago O'Hare Intl

Thu 8/13

7:29 am-9:37 am

Nonstop4h 08m

$251

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 O'Hare Intl Airport

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 O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Las Vegas averaging around $240.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $344. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $578.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Las Vegas in the evening is the least expensive time of day to depart. momondo users have found prices as low as $340 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $509. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl for the best Las Vegas Harry Reid Intl - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Las Vegas to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $283 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Las Vegas for as low as $229 on momondo.

What cabin class options are available on Las Vegas to Chicago O'Hare Intl Airport flights?

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

How have Las Vegas to Chicago O'Hare Intl Airport flight prices changed over time?

As of July 2026, prices for Las Vegas to Chicago O'Hare Intl Airport flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Chicago O'Hare Intl Airport

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

Cheap Las Vegas to Chicago O'Hare Intl Airport (LAS to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Chicago O'Hare Intl Airport

Best Price Found

$181

Fastest flight time

3h 30m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Las Vegas in the past 72 hours is $181. The best round-trip flight deal from Las Vegas to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $310.
The fastest flight from Las Vegas to Chicago O'Hare Intl Airport takes 3h 30m
Direct flights go from Las Vegas to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Las Vegas to Chicago O'Hare Intl Airport

  • How far is Las Vegas Harry Reid Intl to Chicago O'Hare Intl by plane?

    Las Vegas Harry Reid Intl and Chicago O'Hare Intl are 1506.6 mi apart from one another. Typically, this will take 3h 30m by plane in normal conditions.

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

    Prices for flights from Las Vegas Harry Reid Intl Airport to Chicago O'Hare Intl Airport refresh daily.

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

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

    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 O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Las Vegas to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Las Vegas to Chicago O'Hare Intl Airport?

Best airlines flying from Las Vegas to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Las Vegas to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
5.6
2,848 reviews
Search Frontier flights
JetBluePriceFrom $134Free CancellationRating
7.1
3,012 reviews
Search JetBlue flights
SouthwestPriceFrom $159Free CancellationRating
7.9
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
9,908 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights

  • United Airlines Flights From Las Vegas to Chicago O'Hare Intl Airport

    United Airlines operates around 25 flights from Las Vegas to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $358, but momondo users have found United Airlines deals from Las Vegas to Chicago O'Hare Intl Airport from as low as $159 round-trip. United Airlines has been scored 7.4/10 in 9,908 reviews.

  • American Airlines Flights From Las Vegas to Chicago O'Hare Intl Airport

    American Airlines (7.1/10 from 11,766 reviews) operates around 17 flights from Las Vegas to Chicago O'Hare Intl Airport in any given week. The average American Airlines airfare for this route is around $320, with deals from around $159 rare but found on momondo. Referenced prices are for round-trip Las Vegas to Chicago O'Hare Intl Airport flight searches in the last 72 hours.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
South Holland

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Las Vegas.

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

All flight searches from Las Vegas to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Las Vegas.

I’m not ready to book a flight from Las Vegas to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Las Vegas to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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