Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort.
Spirit's self-service bag drop saves time at the airport.
$72+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ORD
Nov 19 — Nov 261
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 February, 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
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 October 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $109 (Flightnetwork) |
One-way from | $72 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $205 |
Good round-trip deal | $194 or less |
Good one-way deal | $129 or less |
Find flight deals from Las Vegas to O'Hare Intl
Cheapest flights from Las Vegas to O'Hare IntlExplore 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 October 20, 2025.
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 October 20, 2025.
This Priceline deal was found by Cheapflights users on 10/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:59 pmLAS - ORD
Nonstop3h 33mMultiple Airlines
Mon 11/1710:43 pmORD - LAS
Nonstop4h 01mMultiple Airlines
Deal found 10/20![Multiple Airlines logo]()
$107
This Flightnetwork deal was found by Cheapflights users on 10/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:59 pmLAS - ORD
Nonstop3h 33mMultiple Airlines
Sun 11/1610:43 pmORD - LAS
Nonstop4h 01mMultiple Airlines
Deal found 10/18![Multiple Airlines logo]()
$109
This Priceline deal was found by Cheapflights users on 10/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:20 amLAS - ORD
1 stop6h 14mMultiple Airlines
Sun 11/210:43 pmORD - LAS
Nonstop4h 01mMultiple Airlines
Deal found 10/20![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 11/710:29 pmLAS - ORD
1 stop12h 16mFrontier
Sun 11/910:43 pmORD - LAS
Nonstop4h 01mFrontier
Deal found 10/20![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Wed 11/512:41 amLAS - ORD
1 stop10h 25mFrontier
Sun 11/910:43 pmORD - LAS
Nonstop4h 01mFrontier
Deal found 10/19![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Fri 10/316:30 pmLAS - ORD
Nonstop3h 47mSpirit Airlines
Sun 11/29:22 pmORD - LAS
1 stop12h 04mSpirit Airlines
Deal found 10/19![Spirit Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Fri 10/317:00 amLAS - ORD
1 stop16h 15mFrontier
Mon 11/310:43 pmORD - LAS
Nonstop4h 01mFrontier
Deal found 10/18![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Fri 11/146:31 pmLAS - ORD
1 stop10h 57mMultiple Airlines
Sun 11/1610:43 pmORD - LAS
Nonstop4h 01mMultiple Airlines
Deal found 10/19![Multiple Airlines logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Fri 11/2111:59 pmLAS - ORD
Nonstop3h 33mSpirit Airlines
Mon 11/244:58 pmORD - LAS
Nonstop4h 06mSpirit Airlines
Deal found 10/19![Spirit Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Wed 11/1212:41 amLAS - ORD
1 stop7h 20mMultiple Airlines
Sat 11/154:38 pmORD - LAS
Nonstop4h 06mMultiple Airlines
Deal found 10/19![Multiple Airlines logo]()
$118
This Priceline deal was found by Cheapflights users on 10/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:50 pmLAS - ORD
Nonstop3h 58mMultiple Airlines
Sat 11/84:38 pmORD - LAS
Nonstop4h 06mMultiple Airlines
Deal found 10/19![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 11/711:59 pmLAS - ORD
Nonstop3h 33mMultiple Airlines
Sun 11/910:43 pmORD - LAS
Nonstop4h 01mMultiple Airlines
Deal found 10/20![Multiple Airlines logo]()
$120
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 October 20, 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
Mon 11/17
11:59 pm-5:32 am
Nonstop3h 33m
Chicago O'Hare Intl
Thu 11/20
8:20 am-7:42 pm
1 stop13h 22m
$156
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Sun 2/15
7:06 pm-12:45 am
Nonstop3h 39m
Chicago O'Hare Intl
Tue 2/17
1:09 pm-3:28 pm
Nonstop4h 19m
$159
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Thu 12/11
4:55 pm-10:35 pm
Nonstop3h 40m
Chicago O'Hare Intl
Mon 12/15
4:25 pm-8:05 pm
1 stop5h 40m
$182
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Sun 1/18
4:55 pm-10:35 pm
Nonstop3h 40m
Chicago O'Hare Intl
Wed 1/21
7:15 am-9:30 am
Nonstop4h 15m
$198
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Wed 12/17
7:15 am-12:58 pm
Nonstop3h 43m
Chicago O'Hare Intl
Sun 12/21
8:18 pm-10:32 pm
Nonstop4h 14m
$204
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Sat 12/6
7:00 am-4:55 pm
1 stop7h 55m
Chicago O'Hare Intl
Mon 12/8
3:05 pm-9:25 pm
1 stop8h 20m
$207
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Sat 2/14
6:00 am-1:59 pm
1 stop5h 59m
Chicago O'Hare Intl
Sun 2/15
9:00 am-11:19 pm
1 stop16h 19m
$218
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Thu 11/20
9:40 am-3:25 pm
Nonstop3h 45m
Chicago O'Hare Intl
Thu 11/27
7:15 am-9:20 am
Nonstop4h 05m
$219
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Fri 12/26
7:10 am-8:02 pm
1 stop10h 52m
Chicago O'Hare Intl
Tue 1/6
3:37 pm-11:41 pm
1 stop10h 04m
$223
Las VegasChicago
LAS - ORD
LASORD
Las Vegas Harry Reid Intl
Wed 1/21
9:45 am-3:25 pm
Nonstop3h 40m
$74
Showing 1-10 of 20 results
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
Prices
Airlines
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 October 17, 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, November is the cheapest month in which you can book a flight from Las Vegas to Chicago O'Hare Intl Airport (average of $56). 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 October 20, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 43% 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 October 19, 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. Sunday 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
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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 Airlines
![United Airlines]()
United Airlines
United's Economy Plus offers extra legroom and priority boarding.
United's Polaris Lounges provide exclusive amenities like showers and dining.
![Frontier]()
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.
![Southwest]()
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.
Airports
Our travel experts
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 October 20, 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.
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
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.
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 locationsSchaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Racine
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan
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.
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 October 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$96 | Average$190 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$157 | Average$327 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$159 | Average$286 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$159 | Average$264 | FlexibilityNo cancel fee | On-time71% |