Cheap Flights from Las Vegas (LASA) to Denver International (DEN)

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Flight deals from Las Vegas to Denver International

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Denver International Airport? If you want to travel next month, return fares start from £41. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Las Vegas to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to Denver International flights are currently cheapest in April.

Direct flights from Las Vegas to Denver International

Las Vegas to Denver International: Alternative routes

Compare routes from Las Vegas to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Las Vegas to Denver: Flight information

The things to know before you go.
Cheapest flight found£21
Cheapest month to flyApril
Average flight time2 hrs
Most popular airlineSouthwest Airlines
Average flights per week245

Finding cheap flights from Las Vegas to Denver International: Frequently asked questions

The best price we found for a return flight from Las Vegas to Denver International is £41. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours is the average flight time from Las Vegas to Denver International.
Southwest Airlines, Air Canada and United fly direct from Las Vegas to Denver International.
As of April 2026, there are 490 flights per week flying from Las Vegas to Denver International.
The cheapest month to fly from Las Vegas to Denver International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Denver International Airport on Saturday, 2 May 2026.
Yes – the average flight time is 2 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Denver International is Frontier Airlines .

Flying from Las Vegas to Denver International Airport (DEN): What you need to know

  • Las Vegas's main airport is Las Vegas Harry Reid International Airport (LAS). Explore your options for leaving from here when searching for your flights from Las Vegas to Denver International Airport (DEN).

  • 1 hour 55 minutes is the average duration of a direct Las Vegas to Denver International Airport flight.

  • Denver is one hour ahead of Las Vegas. Denver International Airport is located in Denver, which is in the UTC-7 timezone.

  • Las Vegas Harry Reid International Airport (LAS) to Denver International Airport (DEN) is the most popular route. There are 104 direct weekly flights to pick from. If you have things to do before heading off, take the last flight with Southwest Airlines at 10:30pm. Choose the first LAS to DEN departure operated by Frontier Airlines at 12:49am if getting there sooner works for you.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your flight from Las Vegas to DEN.

  • If you're travelling during a popular month like March, get to the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Expect lines to be longer during peak periods like Christmas and New Year.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Las Vegas Harry Reid International Airport (LAS) provides a hassle-free way to reach your destination. Nonstop flights from Las Vegas to Denver International Airport (DEN) can be booked from this terminal.

  • At LAS, you'll find a variety of carriers offering direct flights from Las Vegas to Denver International Airport, such as:

  • Most passengers choose to fly with United from LAS to DEN.

  • United is the top performer for punctuality on this route.

  • Located around 8 kms (5 miles) from central Las Vegas, LAS can be reached in about 10 minutes by car (depending on traffic). The journey by public transport is roughly 25 minutes.

  • Have an early flight from Las Vegas to Denver International Airport? Avoid the mad dash to the terminal (and get some extra shut-eye) by staying at one of these stays near Las Vegas Harry Reid International Airport:

  • 79% of flights taking off from Las Vegas Harry Reid International Airport reach their destination on time.

  • The address for LAS is 5757 Wayne Newton Boulevard.

About Denver International Airport (DEN)

  • After your flight from Las Vegas to Denver International Airport has touched down, relax at a hotel close by. Baymont by Wyndham Denver International Airport is a great option that's an easy drive from DEN.

  • Booking your vehicle around one week in advance of your Las Vegas to Denver International Airport flight can help you get the lowest rate.

  • The address for DEN is 8500 Pena Boulevard.

Getting from Denver International Airport (DEN) to central Denver

  • Central Denver is around 40 kms (25 miles) from Denver International Airport and takes about 35 minutes to reach by car. Work out your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • Travelling by public transport takes around 35 minutes.

How to find the cheapest flights from Las Vegas to Denver International Airport (DEN)

  • The lowest price we've found for a one-way ticket from Las Vegas to Denver International Airport is £21. For a return flight on this route, the best price is £41. Depending on when you book and the availability, these fares could change.

  • To find cheap flights from Las Vegas to DEN, book ahead. Airlines tend to offer the most competitive fares when flights first go on sale.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll show you the lowest price in every month when searching for your Las Vegas to Denver International Airport ticket.

  • Spend less time searching for cheap plane tickets from Las Vegas to DEN by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Filters make it easier to track down a bargain for your flight from Las Vegas to Denver International Airport. Choose the airlines, flight times and number of stops that make sense for you. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from Las Vegas to Denver International Airport (DEN)

  • Think about your travel style when planning your trip dates. December is the quietest month to go to Denver. July is when most people book flights from Las Vegas to Denver International Airport (DEN), which may be ideal if you enjoy travelling when it's busier.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC and 32ºC. Book your Las Vegas to DEN plane ticket then if you enjoy this type of weather.

  • Search for cheap tickets from Las Vegas to Denver International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC and 7ºC.

More about Denver

  • After booking your flight from Las Vegas to Denver International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Denver:

  • There are so many things to discover in this city, it can be hard to know where to start. Denver Art Museum, Meow Wolf Denver's Convergence Station and Ballpark are major attractions which should feature on every Denver itinerary.

Explore more of the United States

  • Colorado Springs is just one of the many places in the United States waiting to be explored after you've experienced Denver. Around 113 kms (70 miles) away to the south, top sights here include Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

  • If you're interested in discovering another great destination in the United States, head for Pueblo, about 177 kms (110 miles) south of Denver. Rosemount Museum, Cathedral of the Sacred Heart and Sangre de Cristo Arts & Conference Centre are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.