$80 Cheap United flights Las Vegas (LAS) to Chicago (ORD)

View $80 flight on Wed, Sep 17, 2025Opens in a new window

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$80 Cheap United flights Las Vegas (LAS) to Chicago (ORD)

Prices were available within the past 7 days and start at $80 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 28 - Wed, Oct 29
LAS
Las Vegas
ORD
Chicago
$154 Roundtrip, found 1 hour ago
$154
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from Las Vegas to Chicago, returning Wed, Oct 29, priced at $154 found 1 hour ago
United
Tue, Oct 21 - Wed, Oct 22
LAS
Las Vegas
ORD
Chicago
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 21 from Las Vegas to Chicago, returning Wed, Oct 22, priced at $158 found 1 hour ago
United
Fri, Oct 24 - Sat, Oct 25
LAS
Las Vegas
ORD
Chicago
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 24 from Las Vegas to Chicago, returning Sat, Oct 25, priced at $160 found 1 hour ago
United
Fri, Oct 24 - Sat, Oct 25
LAS
Las Vegas
ORD
Chicago
$166 Roundtrip, found 1 hour ago
$166
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 24 from Las Vegas to Chicago, returning Sat, Oct 25, priced at $166 found 1 hour ago
United
Thu, Aug 28 - Sun, Aug 31
LAS
Las Vegas
ORD
Chicago
$167 Roundtrip, just found
$167
Roundtrip
just found
Select United flight, departing Thu, Aug 28 from Las Vegas to Chicago, returning Sun, Aug 31, priced at $167 just found
United
Fri, Oct 24 - Sat, Oct 25
LAS
Las Vegas
ORD
Chicago
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 24 from Las Vegas to Chicago, returning Sat, Oct 25, priced at $169 found 1 hour ago
Flights from Las Vegas (LAS) to Chicago (ORD)
Origin airport
Harry Reid Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Spirit Airlines
Distance
1510 mi
Average flight time
5 hours 40 mins

Frequently asked questions

How much is a United Airlines flight from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD)?
You can discover budget-friendly return United Airlines flights from $154 from LAS to ORD by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $80 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAS to ORD with United Airlines?
Browse for return or one-way flights to Chicago in January or February. You could find a cheap fare with United Airlines during these quieter months.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD) with United Airlines?
To find cheap United Airlines fares from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD)?
Easily travel from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD) on one of United Airlines's 39 direct weekly flights. Apply our "Nonstop" and "Airline" filters to find the United Airlines flight that'll take you to ORD at your preferred time.
How long does it take to fly from LAS to ORD with United Airlines?
Leave Harry Reid Intl. Airport (LAS) for O'Hare Intl. Airport (ORD) on a nonstop United Airlines flight, and you'll be in the skies for around 3h 43m.
Which day of the week has the most United Airlines flights from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD)?
Thursday has the most United Airlines flights from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD). With 6 daily departures, this is the best day to find something that will suit your plans.
What is the earliest United Airlines flight from LAS to ORD?
Setting off from LAS at 7:00AM UTC-8, the first United Airlines flight to ORD lands at 12:45PM UTC-6. Traveling earlier in the day means you're less likely to experience delays.* Prefer a later start? The last United Airlines flight from LAS to ORD departs at 11:48PM UTC-8 and touches down at 5:25AM UTC-6.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Chicago?
O'Hare Intl. Airport (ORD) is the main gateway for United Airlines flights from Harry Reid Intl. Airport (LAS) to Chicago. But this airline also travels to Midway Intl. Airport (MDW). Be sure to tick Expedia's "All Airports" option for your destination to see what's available for your trip to Chicago.
Why fly with United Airlines from LAS to ORD?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from LAS to ORD with United Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD)?
You'll likely be seated on a Boeing 737-900 or an Airbus A321neo when flying United Airlines from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD). However, keep in mind that a different plane may be assigned due to operational demands.
Can I change or cancel my United Airlines flight from Harry Reid Intl. Airport (LAS) to O'Hare Intl. Airport (ORD)?
Depending on your fare type, a fee may apply if you modify or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more details on canceling or modifying your reservation, go to "Trips," select your flight and click on "Manage Booking."
*Available to One Key members.