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Cheap flights from Las Vegas to Chicago from $88

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 5/10. 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
6:00 pm - 11:17 pm
LAS
-
ORD
27h 17m
2 stops
Frontier Logo
8:55 pm - 11:15 pm
ORD
-
LAS
4h 20mnonstop
$133Frontier
Fri, Feb 27 - Sat, Mar 7
Frontier Logo
12:25 am - 6:08 am
LAS
-
ORD
3h 43mnonstop
Frontier Logo
4:18 pm - 11:55 am
ORD
-
LAS
21h 37m
1 stop
$134Frontier
Mon, Mar 9 - Tue, Mar 24
Frontier Logo
12:59 am - 6:47 am
LAS
-
ORD
3h 48mnonstop
Frontier Logo
6:09 pm - 11:50 pm
ORD
-
LAS
7h 41m
1 stop
$135Frontier
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
8:48 am - 4:53 pm
LAS
-
ORD
6h 05m
1 stop
Multiple Airlines Logo
8:53 pm - 10:54 pm
ORD
-
LAS
4h 01mnonstop
$136Multiple Airlines
Mon, May 18 - Wed, May 20
Frontier Logo
12:25 am - 6:08 am
LAS
-
ORD
3h 43mnonstop
Frontier Logo
8:55 pm - 11:15 pm
ORD
-
LAS
4h 20mnonstop
$137Frontier
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
11:37 am - 5:24 pm
LAS
-
ORD
3h 47mnonstop
Frontier Logo
7:45 am - 5:53 pm
ORD
-
LAS
12h 08m
1 stop
$138Frontier
Thu, Feb 26 - Mon, Mar 2
Spirit Airlines Logo
11:59 pm - 5:31 am
LAS
-
ORD
3h 32mnonstop
Spirit Airlines Logo
6:00 am - 5:18 pm
ORD
-
LAS
13h 18m
1 stop
$139Spirit Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
12:25 am - 6:08 am
LAS
-
ORD
3h 43mnonstop
Multiple Airlines Logo
4:36 pm - 11:49 pm
ORD
-
LAS
9h 13m
1 stop
$140Multiple Airlines
Wed, Mar 11 - Tue, Mar 17
Frontier Logo
12:25 am - 6:08 am
LAS
-
ORD
3h 43mnonstop
Frontier Logo
8:55 pm - 11:15 pm
ORD
-
LAS
4h 20mnonstop
$141Frontier
Wed, Mar 25 - Mon, Mar 30
Frontier Logo
12:25 am - 6:08 am
LAS
-
ORD
3h 43mnonstop
Frontier Logo
8:55 pm - 11:15 pm
ORD
-
LAS
4h 20mnonstop
$142Frontier
Wed, Mar 25 - Mon, Mar 30

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

Our best Spirit Airlines deals on Las Vegas to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
Apr 24
LAS11:59 pmLas Vegas Harry Reid Intl
3h 32m
ORD5:31 amChicago O'Hare Intl
Apr 27
ORD7:41 amChicago O'Hare Intl
7h 23m
1 stop
LAS1:04 pmLas Vegas Harry Reid Intl
$139
Spirit Airlines
May 29
LAS9:59 pmLas Vegas Harry Reid Intl
11h 23m
1 stop
ORD11:22 amChicago O'Hare Intl
Jun 1
ORD8:52 pmChicago O'Hare Intl
4h 02m
LAS10:54 pmLas Vegas Harry Reid Intl
$148
Spirit Airlines
Apr 30
LAS9:59 pmLas Vegas Harry Reid Intl
11h 28m
1 stop
ORD11:27 amChicago O'Hare Intl
May 5
ORD9:20 pmChicago O'Hare Intl
15h 06m
1 stop
LAS10:26 amLas Vegas Harry Reid Intl
$154

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
Feb 27
LAS6:00 pmLas Vegas Harry Reid Intl
27h 17m
2 stops
ORD11:17 pmChicago O'Hare Intl
Mar 7
ORD8:55 pmChicago O'Hare Intl
4h 20m
LAS11:15 pmLas Vegas Harry Reid Intl
$133
Frontier
Mar 9
LAS12:25 amLas Vegas Harry Reid Intl
3h 43m
ORD6:08 amChicago O'Hare Intl
Mar 24
ORD4:18 pmChicago O'Hare Intl
21h 37m
1 stop
LAS11:55 amLas Vegas Harry Reid Intl
$134
Frontier
May 1
LAS12:59 amLas Vegas Harry Reid Intl
3h 48m
ORD6:47 amChicago O'Hare Intl
May 10
ORD6:09 pmChicago O'Hare Intl
7h 41m
1 stop
LAS11:50 pmLas Vegas Harry Reid Intl
$135

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 February 11, 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

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 2/27

6:00 pm-11:17 pm

2 stops27h 17m

Chicago O'Hare Intl

Sat 3/7

8:55 pm-11:15 pm

Nonstop4h 20m

$133

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 3/9

12:25 am-6:08 am

Nonstop3h 43m

Chicago O'Hare Intl

Tue 3/24

4:18 pm-11:55 am

1 stop21h 37m

$134

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 5/1

12:59 am-6:47 am

Nonstop3h 48m

Chicago O'Hare Intl

Sun 5/10

6:09 pm-11:50 pm

1 stop7h 41m

$135

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 5/18

8:48 am-4:53 pm

1 stop6h 05m

Chicago O'Hare Intl

Wed 5/20

8:53 pm-10:54 pm

Nonstop4h 01m

$136

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 3/5

12:25 am-6:08 am

Nonstop3h 43m

Chicago O'Hare Intl

Mon 3/9

8:55 pm-11:15 pm

Nonstop4h 20m

$137

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 2/26

11:37 am-5:24 pm

Nonstop3h 47m

Chicago O'Hare Intl

Mon 3/2

7:45 am-5:53 pm

1 stop12h 08m

$138

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 4/24

11:59 pm-5:31 am

Nonstop3h 32m

Chicago O'Hare Intl

Mon 4/27

6:00 am-5:18 pm

1 stop13h 18m

$139

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 3/11

12:25 am-6:08 am

Nonstop3h 43m

Chicago O'Hare Intl

Tue 3/17

4:36 pm-11:49 pm

1 stop9h 13m

$140

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 3/25

12:25 am-6:08 am

Nonstop3h 43m

Chicago O'Hare Intl

Mon 3/30

8:55 pm-11:15 pm

Nonstop4h 20m

$141

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 3/25

12:25 am-6:08 am

Nonstop3h 43m

Chicago O'Hare Intl

Mon 3/30

8:55 pm-11:15 pm

Nonstop4h 20m

$142

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 cheapest month to fly to Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Las Vegas averaging around $228.

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 $289. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 $496.

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 $287 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $508. 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 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 $247 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 $183 on momondo.

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

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Chicago O'Hare Intl 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 February 2026, prices for Las Vegas to Chicago O'Hare Intl Airport flights are approximately 3% more expensive 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

$148

Fastest flight time

3h 32m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Las Vegas in the past 72 hours is $148. The best round-trip flight deal from Las Vegas to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $258.
The fastest flight from Las Vegas to Chicago O'Hare Intl Airport takes 3h 32m
Direct flights go from Las Vegas to Chicago O'Hare Intl Airport every day.
Search flight deals

  • 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 32m 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 $43Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,442 reviews
Search Spirit Airlines flights
JetBluePriceFrom $120Free CancellationRating
7.2
2,894 reviews
Search JetBlue flights
United AirlinesPriceFrom $154Free CancellationRating
7.4
9,273 reviews
Search United Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,265 reviews
Search American Airlines flights

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

    Southwest operates around 8 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 $293, but momondo users have found Southwest deals from Las Vegas to Chicago O'Hare Intl Airport from as low as $159 round-trip. Southwest has been scored 8.0/10 in 4,280 reviews.

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

    United Airlines (7.4/10 from 9,273 reviews) operates around 16 flights from Las Vegas to Chicago O'Hare Intl Airport in any given week. The average United Airlines airfare for this route is around $314, with deals from around $154 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
Naperville
Rosemont
New Buffalo
Kenosha
Oak Brook
Joliet
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
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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