$61 Cheap Frontier Airlines flights Las Vegas (LAS) to Denver (DEN)

View $61 flight on Sat, Oct 18, 2025Opens in a new window

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$61 Cheap Frontier Airlines flights Las Vegas (LAS) to Denver (DEN)

Prices were available within the past 7 days and start at $61 for one-way flights and $111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Nov 8 - Sat, Nov 15
LAS
Las Vegas
DEN
Denver
$111 Roundtrip, found 5 hours ago
$111
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Denver, returning Sat, Nov 15, priced at $111 found 5 hours ago
Frontier Airlines
Sat, Sep 27 - Sun, Sep 28
LAS
Las Vegas
DEN
Denver
$119 Roundtrip, found 1 hour ago
$119
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 27 from Las Vegas to Denver, returning Sun, Sep 28, priced at $119 found 1 hour ago
Frontier Airlines
Sat, Sep 27 - Sun, Sep 28
LAS
Las Vegas
DEN
Denver
$124 Roundtrip, found 1 hour ago
$124
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 27 from Las Vegas to Denver, returning Sun, Sep 28, priced at $124 found 1 hour ago
Frontier Airlines
Tue, Sep 23 - Thu, Sep 25
LAS
Las Vegas
DEN
Denver
$126 Roundtrip, just found
$126
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 23 from Las Vegas to Denver, returning Thu, Sep 25, priced at $126 just found
Frontier Airlines
Sat, Sep 27 - Wed, Oct 1
LAS
Las Vegas
DEN
Denver
$128 Roundtrip, found 13 hours ago
$128
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Sat, Sep 27 from Las Vegas to Denver, returning Wed, Oct 1, priced at $128 found 13 hours ago
Frontier Airlines
Fri, Sep 12 - Tue, Sep 16
LAS
Las Vegas
DEN
Denver
$131 Roundtrip, found 8 hours ago
$131
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Sep 12 from Las Vegas to Denver, returning Tue, Sep 16, priced at $131 found 8 hours ago
Flights from Las Vegas (LAS) to Denver (DEN)
Origin airport
Harry Reid Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
626 mi
Average flight time
2 hours 53 mins

Frequently asked questions

How much is a Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Landing cheap one-way Frontier Airlines flights from LAS to DEN from $61 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $111 for your next exciting getaway.**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 DEN with Frontier Airlines?
Look for one-way or return flights to Denver in January or November. You could find lower fares with Frontier Airlines during these off-peak months.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) with Frontier Airlines?
Look for cheap Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 Frontier Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Frontier Airlines operates direct flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN), with 30 departures every week. Simply apply the "Nonstop" and "Airline" filters during your search on Expedia to find all direct Frontier Airlines flights to DEN.
How long does it take to fly from LAS to DEN with Frontier Airlines?
On average, it takes 2h 1m to travel nonstop from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN) with Frontier Airlines.
Which day of the week has the most Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Thursday has the most Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN). With 5 daily departures, this is the best day to find something that will work for your schedule.
What is the earliest Frontier Airlines flight from LAS to DEN?
Leaving LAS at 6:25AM UTC-8, the earliest Frontier Airlines flight to DEN arrives at 9:27AM UTC-7. Flying earlier in the day means you're less likely to encounter cancellations or delays.* Prefer to travel later? The last Frontier Airlines flight from LAS to DEN departs at 10:29PM UTC-8 and touches down at 1:24AM UTC-7.*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 Frontier Airlines fly into in Denver?
Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to Denver touch down at Denver Intl. Airport (DEN). This is the main entry point to this city.
Why fly with Frontier Airlines from LAS to DEN?
Offering a rewarding loyalty program, Frontier Airlines is a top pick for many travelers journeying from LAS to DEN. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
You'll likely be seated on an Airbus A320neo or an Airbus A321neo when flying Frontier Airlines from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN). However, keep in mind that a different plane could be assigned to your route due to operational reasons.
Can I change or cancel my Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to Denver Intl. Airport (DEN)?
Depending on your ticket type, a fee is typically charged if you cancel or change your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when looking for flights. For more details on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."
*Available to One Key members.