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

Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 67 days before departure.

Is Southwest the cheapest airline to fly with from Chicago O'Hare Intl Airport to Las Vegas?

With an average price of $310 return, Southwest is not the cheapest airline to fly from Chicago O'Hare Intl Airport to Las Vegas with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $185 on average.

Does Southwest fly direct to Las Vegas from Chicago O'Hare Intl Airport?

Yes, Southwest does offer direct flights for the route, with around 13 flights per week.

What’s the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?

On average, the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest is Monday, when prices are around $71. The most expensive day is generally Thursday, where the average price is around $118.

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?

The cheapest month for Southwest flights to Las Vegas from Chicago O'Hare Intl Airport is generally November, where plane tickets cost $119 on average. If possible, try to avoid the most expensive months of December and March, where tickets cost $236 and $424 respectively.

$75 Cheap Southwest Flights from Chicago O'Hare Intl Airport to Las Vegas

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Flight Deals

Cheap Southwest Flight Deals from Chicago O'Hare Intl Airport to Las Vegas

Here are some of the best deals found on KAYAK recently from Southwest for round-trip flights from Chicago O'Hare Intl Airport to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip Southwest flight deals from Chicago O'Hare Intl Airport to Las Vegas

Wed, Nov 19 - Thu, Nov 27

7:15 am - 9:20 amORD-LAS

4h 05mnonstop

8:25 am - 2:05 pmLAS-ORD

3h 40mnonstop

$140Southwest

Find Deal

Wed, Dec 10 - Sat, Dec 13

7:15 am - 9:20 amORD-LAS

4h 05mnonstop

5:05 am - 1:00 pmLAS-ORD

5h 55m1 stop

$141Southwest

Find Deal

Wed, Nov 19 - Wed, Nov 19

7:15 am - 9:20 amORD-LAS

4h 05mnonstop

11:35 pm - 12:15 pmLAS-ORD

10h 40m1 stop

$147Southwest

Find Deal

Wed, Dec 10 - Sat, Dec 13

4:25 pm - 8:05 pmORD-LAS

5h 40m1 stop

5:05 am - 1:00 pmLAS-ORD

5h 55m1 stop

$156Southwest

Find Deal

Sat, Jan 10 - Sat, Jan 17

7:15 am - 9:30 amORD-LAS

4h 15mnonstop

8:25 am - 2:05 pmLAS-ORD

3h 40mnonstop

$159Southwest

Find Deal

Fri, Dec 12 - Mon, Dec 15

4:25 pm - 9:35 pmORD-LAS

7h 10m1 stop

5:30 am - 1:30 pmLAS-ORD

6h 00m1 stop

$161Southwest

Find Deal

Fri, Dec 5 - Mon, Dec 8

4:25 pm - 11:05 pmORD-LAS

8h 40m1 stop

11:35 pm - 12:15 pmLAS-ORD

10h 40m1 stop

$166Southwest

Find Deal

Sat, Jan 10 - Sat, Jan 17

7:15 am - 9:30 amORD-LAS

4h 15mnonstop

5:50 am - 1:30 pmLAS-ORD

5h 40m1 stop

$169Southwest

Find Deal

Wed, Nov 5 - Mon, Nov 10

1:45 pm - 11:00 pmORD-LAS

11h 15m1 stop

11:35 pm - 12:15 pmLAS-ORD

10h 40m1 stop

$172Southwest

Find Deal

Wed, Nov 19 - Thu, Nov 27

7:15 am - 9:20 amORD-LAS

4h 05mnonstop

8:25 am - 2:05 pmLAS-ORD

3h 40mnonstop

$180Southwest

Find Deal

Useful Info

Low season	June
High season	September
Cheapest flight	$75
Average price round-trip	$259

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly with an average 15% increase in price.

Flight from Chicago O'Hare Airport to Las Vegas

(price for this month)

When to Book Flights with Southwest from Chicago O'Hare Intl Airport to Las Vegas

Average price per month

Flight prices as travel date approaches

How far in advance should I book tickets for a flight with Southwest from Chicago O'Hare Intl Airport to Las Vegas?
Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 67 days before departure.
Is Southwest the cheapest airline to fly with from Chicago O'Hare Intl Airport to Las Vegas?
With an average price of $310 return, Southwest is not the cheapest airline to fly from Chicago O'Hare Intl Airport to Las Vegas with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $185 on average.
What is the cheapest Southwest flight from Chicago O'Hare Intl Airport to Las Vegas?
In the last 3 days, the lowest price for a flight with Southwest from Chicago O'Hare Intl Airport to Las Vegas was $121 for a return flight and $64 for a one-way flight.
Does Southwest fly direct to Las Vegas from Chicago O'Hare Intl Airport?
Yes, Southwest does offer direct flights for the route, with around 13 flights per week.
What’s the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?
On average, the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest is Monday, when prices are around $71. The most expensive day is generally Thursday, where the average price is around $118.
What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?
The cheapest month for Southwest flights to Las Vegas from Chicago O'Hare Intl Airport is generally November, where plane tickets cost $119 on average. If possible, try to avoid the most expensive months of December and March, where tickets cost $236 and $424 respectively.

8.0

Very good4,238 verified ratings

8.6Crew

7.0Food

8.0Comfort

7.5Entertainment

8.1Boarding

Pros +

Cons -

Show reviews that mention

6.0 Okay

Thomas, Oct 2025

DAL-SAT

Late again.

6.0 Okay

Thomas, Oct 2025

CMH-DAL

Just the usual delays

2.0 Poor

TODD, Oct 2025

CMH-MDW

2.5 hours late but no one said why.

10.0 Wonderful

Aleksandar, Oct 2025

OAK-SAN

On time, and it was not full flight

4.0 Mediocre

Annette, Oct 2025

LGA-MCI

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

10.0 Wonderful

Gerald, Oct 2025

SJC-PDX

Boarding quick & efficient. Crew was friendly. Arrived early

6.0 Okay

Hung, Oct 2025

PHX-ABQ

mandatory demand customer to check their carry on because not enough people check bags.

8.0 Very good

Annette, Oct 2025

MCI-LGA

Good non stop is always good

10.0 Wonderful

Gabriel, Sep 2025

DEN-SMF

Connecting flight is on time and boarding was a breeze!

10.0 Wonderful

Gabriel, Sep 2025

LGA-DEN

Easy boarding process. No delays!

Everything you need to know for your flight from Chicago O'Hare Intl Airport to Las Vegas

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$75 Find Cheap Southwest Flights from Chicago O'Hare Intl Airport to Las Vegas

Search hundreds of travel sites at once for deals on Southwest flights from Chicago O'Hare Intl Airport to Las Vegas

Cheap Southwest Flight Deals from Chicago O'Hare Intl Airport to Las Vegas

Recent round-trip Southwest flight deals from Chicago O'Hare Intl Airport to Las Vegas

Recent one-way Southwest flight deals from Chicago O'Hare Intl Airport to Las Vegas

Recent last minute Southwest flight deals from Chicago O'Hare Intl Airport to Las Vegas

Recent direct Southwest flight deals from Chicago O'Hare Intl Airport to Las Vegas

Good to know

When to Book Flights with Southwest from Chicago O'Hare Intl Airport to Las Vegas

FAQs for flying to Las Vegas with Southwest

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

Is Southwest the cheapest airline to fly with from Chicago O'Hare Intl Airport to Las Vegas?

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

Does Southwest fly direct to Las Vegas from Chicago O'Hare Intl Airport?

What’s the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Las Vegas with Southwest?

Southwest Customer Reviews

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Everything you need to know for your flight from Chicago O'Hare Intl Airport to Las Vegas

Cabin class types available on flights to Las Vegas

Cabin classes available on flights to Chicago O'Hare Intl Airport. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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The most popular destinations for flights with Southwest according to clicks from KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.