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O'Hare Intl

$66+ Cheap flights from Las Vegas (LAS) to O'Hare Intl (ORD)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ORD
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Find cheap flights from Las Vegas to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Chicago O'Hare Intl are usually found in October or May, booked 86 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Las Vegas to O'Hare Intl

Cheapest flights from Las Vegas to O'Hare Intl
Explore the most affordable flight options available from Las Vegas to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amLAS - ORD
1 stop16h 12mFrontier
Thu 1/13:27 pmORD - LAS
Nonstop4h 19mFrontier
Deal found 12/7$150
This Super.com deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:59 amLAS - ORD
1 stop8h 28mFrontier
Thu 1/810:32 pmORD - LAS
Nonstop4h 09mFrontier
Deal found 12/5$155
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amLAS - ORD
1 stop16h 12mFrontier
Thu 1/13:27 pmORD - LAS
Nonstop4h 19mFrontier
Deal found 12/7$164
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:26 pmLAS - ORD
Nonstop3h 44mUnited Airlines
Thu 1/18:18 pmORD - LAS
Nonstop4h 14mUnited Airlines
Deal found 12/7$171
This Frontier deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:59 amLAS - ORD
1 stop8h 32mFrontier
Thu 1/810:32 pmORD - LAS
Nonstop4h 09mFrontier
Deal found 12/6$176
This Frontier deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:49 pmLAS - ORD
Nonstop3h 50mFrontier
Thu 1/13:27 pmORD - LAS
Nonstop4h 19mFrontier
Deal found 12/7$182
This Cheapflightsfares deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:30 pmLAS - ORD
1 stop25h 42mFrontier
Sun 1/45:08 pmORD - LAS
1 stop7h 31mFrontier
Deal found 12/7$183
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:30 pmLAS - ORD
1 stop25h 42mFrontier
Sat 1/37:00 amORD - LAS
1 stop27h 05mFrontier
Deal found 12/6$185

Find flight deals from Las Vegas to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$94
(Kiwi.com)

One-way from

$66
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$318

Good round-trip deal

$212 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Chicago O'Hare Intl flights.
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From Las Vegas Harry Reid Intl to Chicago O'Hare Intl
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
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

Las Vegas

Fly to

O'Hare Intl

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 1/13

9:45 am-3:25 pm

Nonstop3h 40m

Chicago O'Hare Intl

Tue 1/20

4:25 pm-8:45 pm

1 stop6h 20m

$155

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 1/21

9:45 am-3:25 pm

Nonstop3h 40m

Chicago O'Hare Intl

Sun 1/25

7:15 am-9:30 am

Nonstop4h 15m

$159

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sun 1/25

12:30 am-6:08 am

Nonstop3h 38m

Chicago O'Hare Intl

Tue 1/27

1:10 pm-3:20 pm

Nonstop4h 10m

$198

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 1/22

4:55 pm-10:35 pm

Nonstop3h 40m

Chicago O'Hare Intl

Sun 1/25

7:15 am-9:30 am

Nonstop4h 15m

$198

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 1/30

9:45 am-3:25 pm

Nonstop3h 40m

Chicago O'Hare Intl

Mon 2/2

7:15 am-9:30 am

Nonstop4h 15m

$198

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 1/9

6:00 am-2:29 pm

1 stop6h 29m

Chicago O'Hare Intl

Mon 1/12

3:44 pm-11:28 pm

1 stop9h 44m

$199

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Sun 12/28

12:59 am-11:31 am

1 stop8h 32m

Chicago O'Hare Intl

Thu 1/1

1:34 pm-11:48 pm

1 stop12h 14m

$205

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 1/27

7:00 am-5:10 pm

1 stop8h 10m

Chicago O'Hare Intl

Wed 1/28

3:44 pm-10:31 pm

1 stop8h 47m

$216

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 1/26

6:00 am-1:30 pm

1 stop5h 30m

Chicago O'Hare Intl

Tue 1/27

1:00 pm-3:15 pm

Nonstop4h 15m

$219

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 1/30

7:52 pm-2:29 pm

1 stop16h 37m

Chicago O'Hare Intl

Sun 2/8

9:00 am-2:11 pm

1 stop7h 11m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 22 results
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Compare providers for flights from Las Vegas to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Chicago O'Hare Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Chicago O'Hare Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to O'Hare Intl. Price data was last updated on December 5, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to Chicago O'Hare Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Las Vegas to Chicago O'Hare Intl Airport (average of $58). Flying from Las Vegas to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Las Vegas to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Las Vegas to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Las Vegas to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to O'Hare Intl. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Las Vegas to Chicago O'Hare Intl Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Las Vegas to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Chicago O'Hare Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort.


Spirit's self-service bag drop saves time at the airport.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom and priority boarding.


United's Polaris Lounges provide exclusive amenities like showers and dining.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.


Frontier's early morning flights have better on-time performance, reducing delays.

Read more about Frontierby Marisa Garcia
Southwest

Southwest offers free snacks and non-alcoholic beverages, enhancing the in-flight experience.


Southwest's Rapid Rewards program offers points without expiration, ideal for frequent flyers.

Read more about Southwestby Marisa Garcia
Airports
LAS

LAS offers self-service TSA screening to streamline security. Follow video instructions to prepare for x-ray scanners, minimizing interaction with TSA agents.

Read more about LASby Ramsey Qubein
ORD

For a quick city transfer, take the 'L' train from ORD to downtown Chicago, avoiding traffic delays common with taxis or rideshares.

Read more about ORDby Ramsey Qubein
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated December 8, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Las Vegas to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
9,076 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
11,042 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,169 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,088 reviews
Southwest
8.0
Very good
4,252 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to O'Hare Intl. 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 O'Hare Intl?

    Most people fly from Las Vegas Harry Reid Intl (LAS) if they book a flight from Las Vegas to Chicago O'Hare Intl. On average, Harry Reid Intl has 31 outbound flights to Chicago O'Hare Intl per day from 5 airlines. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

  • How long is the flight from Las Vegas to Chicago O'Hare Intl Airport?

    Airlines like Southwest and United Airlines fly from Las Vegas to Chicago O'Hare Intl Airport in about 3h 38m. The time it takes to get you to your destination is usually consistent. The distance between Las Vegas and Chicago O'Hare Intl Airport is about 1510 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Las Vegas to Chicago O'Hare Intl Airport round-trip?

    According to our current data, Frontier ($43), Spirit Airlines ($80), and United Airlines ($136) offers the cheapest pricing from Las Vegas to Chicago O'Hare Intl Airport. You may be able to fly from Las Vegas to Chicago O'Hare Intl Airport for 82% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Las Vegas to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $48. Users have also found prices from $50 and $72 on Frontier and Southwest, respectively.

  • What are the most reliable airlines from Las Vegas to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Chicago O'Hare Intl Airport on time: Royal Jordanian (89%), Qatar Airways (89%), Austrian Airlines (88%).

  • What are the cheapest flights from Las Vegas to Chicago O'Hare Intl Airport?

    On average you can expect to pay $853 for a flight from Las Vegas to Chicago O'Hare Intl Airport. The cheapest flight overall is $65 while the most popular route, (Las Vegas Harry Reid Intl - Chicago O'Hare Intl) is currently priced at $108.

  • Can I find deals for flights from Las Vegas to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from Las Vegas to O'Hare Intl?

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

  • Can I find deals for business class flights from Las Vegas to O'Hare Intl?

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

  • What is the cheapest month to book a flight from Las Vegas to Chicago O'Hare Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Las Vegas to Chicago O'Hare Intl Airport (average of $58). Flying from Las Vegas to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Midway flights
Reno to O'Hare Intl flights
Reno to Midway flights
Las Vegas to Rockford flights
Twin Falls to O'Hare Intl flights

Top 5 airlines flying from Las Vegas to O'Hare Intl

Discover the top 5 airlines that operate flights from Las Vegas to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$96Average$180FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$146Average$320FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$159Average$279FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$159Average$268FlexibilityNo cancel feeOn-time71%

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