$109 Cheap Flights from Colorado Springs (COS) to Las Vegas (LAS)

View $109 flight on Fri, Aug 8, 2025Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Colorado Springs to Las Vegas (COS-LAS)

Prices were available within the past 7 days and start at $109 for one-way flights and $153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Oct 25 - Wed, Oct 29
COS
Colorado Springs
LAS
Las Vegas
$153 Roundtrip, found 5 days ago
$153
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Oct 25 from Colorado Springs to Las Vegas, returning Wed, Oct 29, priced at $153 found 5 days ago
United
Sat, Nov 8 - Mon, Nov 10
COS
Colorado Springs
LAS
Las Vegas
$184 Roundtrip, found 6 days ago
$184
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 8 from Colorado Springs to Las Vegas, returning Mon, Nov 10, priced at $184 found 6 days ago
Southwest Airlines
Thu, Oct 9 - Sun, Oct 12
COS
Colorado Springs
LAS
Las Vegas
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Oct 9 from Colorado Springs to Las Vegas, returning Sun, Oct 12, priced at $217 just found
Southwest Airlines
Sat, Aug 9 - Mon, Aug 11
COS
Colorado Springs
LAS
Las Vegas
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Aug 9 from Colorado Springs to Las Vegas, returning Mon, Aug 11, priced at $222 just found
Southwest Airlines
Tue, Nov 4 - Sat, Nov 8
COS
Colorado Springs
LAS
Las Vegas
$223 Roundtrip, found 10 hours ago
$223
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Colorado Springs to Las Vegas, returning Sat, Nov 8, priced at $223 found 10 hours ago
Southwest Airlines
Thu, Aug 14 - Sat, Aug 16
COS
Colorado Springs
LAS
Las Vegas
$225 Roundtrip, found 9 hours ago
$225
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Thu, Aug 14 from Colorado Springs to Las Vegas, returning Sat, Aug 16, priced at $225 found 9 hours ago
Southwest Airlines
Wed, Oct 22 - Sat, Oct 25
COS
Colorado Springs
LAS
Las Vegas
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Colorado Springs to Las Vegas, returning Sat, Oct 25, priced at $226 found 1 day ago
Delta
Tue, Sep 23 - Sat, Oct 4
COS
Colorado Springs
LAS
Las Vegas
$227 Roundtrip, found 2 hours ago
$227
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Sep 23 from Colorado Springs to Las Vegas, returning Sat, Oct 4, priced at $227 found 2 hours ago
United
Thu, Aug 21 - Sat, Aug 23
COS
Colorado Springs
LAS
Las Vegas
$227 Roundtrip, just found
$227
Roundtrip
just found
Select United flight, departing Thu, Aug 21 from Colorado Springs to Las Vegas, returning Sat, Aug 23, priced at $227 just found
American Airlines
Wed, Aug 13 - Sat, Aug 16
COS
Colorado Springs
LAS
Las Vegas
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Aug 13 from Colorado Springs to Las Vegas, returning Sat, Aug 16, priced at $249 found 1 hour ago

Find the cheapest month to fly from Colorado Springs (COS) to Las Vegas (LAS)

September is typically the cheapest month to fly

From $152 - $356 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $297
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $297
0
Flights from Colorado Springs (COS) to Las Vegas (LAS)
Origin airport
Colorado Springs
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$153
Distance
602 mi

Colorado Springs to Las Vegas Flights

The cheapest times to fly from Colorado Springs to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colorado Springs to Las Vegas are during the month of October. You can find some of the cheapest flights from Colorado Springs to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colorado Springs to Las Vegas

Sunday is one of the best days to book for cheap flights from Colorado Springs to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colorado Springs to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colorado Springs to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colorado Springs to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colorado Springs to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS) cost?
You'll find cheap return fares from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS) starting at $148. Snag a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving COS on August 6 2025 and touching down at LAS. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from COS to LAS?
The cheapest flights from COS to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
Jump on a direct flight with Southwest Airlines and travel straight from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS).
What is the cheapest airline that flies from COS to LAS?
With prices starting from $74 for a one-way journey from COS to LAS, Southwest Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from COS on September 29 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
Every day on average, 2 direct flights operate from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS). Select the departure date that best fits your itinerary.
What are the most popular departure times for flights from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
The 7 AM departures from COS to LAS are the busiest. These flights can come with a higher price due to their popularity. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from COS to LAS?
If you jet off on a Friday, you'll get the largest range of choices for flights from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
Colorado Springs Airport (COS)'s earliest flight to Harry Reid Intl. Airport (LAS) takes off at approximately 7:30AM UTC-7. With a travel time of 2h 20m, you'll land at around 8:50AM UTC-8.
How long does it take to fly from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
It usually takes 2 hours and 15 minutes to cover the 600 mi from COS to LAS.
What airline has the least delays from COS to LAS?
With 100% of flights typically landing on time, Frontier Airlines has the best on-time performance for direct flights from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS). To keep track of your flight status and receive notifications if anything changes, use the Expedia App.
What is the best time to fly from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
To land at Harry Reid Intl. Airport (LAS) without delays, pick a flight that leaves from Colorado Springs Airport (COS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Colorado Springs Airport (COS)?
Check out your flight options from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute fares from COS to LAS are usually more expensive. To lock in the cheapest rates, start searching for flights early. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a COS to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a COS to LAS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Harry Reid Intl. Airport (LAS)?
In most cases, you're able to reschedule or cancel your COS to LAS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.